US20040154353A1 - Drum type washing machine having vibration attenuating means - Google Patents
Drum type washing machine having vibration attenuating means Download PDFInfo
- Publication number
- US20040154353A1 US20040154353A1 US10/722,457 US72245703A US2004154353A1 US 20040154353 A1 US20040154353 A1 US 20040154353A1 US 72245703 A US72245703 A US 72245703A US 2004154353 A1 US2004154353 A1 US 2004154353A1
- Authority
- US
- United States
- Prior art keywords
- tub
- end connected
- washing machine
- type washing
- drum type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
- D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
- D06F37/268—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups for suspension devices
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
- F16F7/09—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other in dampers of the cylinder-and-piston type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
Disclosed is a drum type washing machine having a vibration attenuating means, by which vibrations generated from driving the drum type washing machine are attenuated. The present invention includes a cabinet forming an exterior, a tub provided in the cabinet to have a front opening and to hold water, and detergent therein, a motor in rear of the tub 200 to have a horizontally installed rotational shaft, a drum in the tub to be rotated by the motor, and a vibration attenuating means that includes a damper unit under the tub to attenuate vertical and horizontal vibrations of the tub and an elastic member over the tub to attenuate a front-to-rear vibration of the tub.
Description
- This application claims the benefit of Korean Application(s) No. 10-2002-0075318 filed on Nov. 29, 2002 which is/are hereby incorporated by reference.
- 1. Field of the Invention
- The present invention relates to a washing machine, and more particularly, to a drum type washing machine having a vibration attenuating means, by which vibrations generated from driving the drum type washing machine are attenuated.
- 2. Discussion of the Related Art
- Generally, a washing machine holds water and detergent in a lower part of a tub. After laundry is put in a drum installed inside the tub, the drum is rotated to perform washing, rinsing, and dewatering.
- Such a washing machine is an apparatus for eliminating dirt or filth attached to the laundry by applying a mechanical force thereto together with a detergent.
- Specifically, a drum type washing machine is an apparatus for eliminating dirt or filth attached to the laundry by putting the laundry, water, and detergent in a drum horizontally installed to rotate by a driving force of a motor. The drum type washing machine barely has entanglement and damage of the laundry, consumes less water, and even has washing effects of beating and rubbing.
- FIG. 1 is a schematic perspective view of a drum type washing machine according to a related art, in which an internal view is shown in part. And, FIG. 2 is a cross-sectional view of a drum type washing machine according to a related art.
- Referring to FIG. 1 and FIG. 2, a drum type washing machine according to a related art consists of a
cabinet 10 forming an exterior, atub 20 provided in the cabinet to hold laundry, water, and detergent therein, amotor 30 in rear of thetub 20 to have a horizontally installed rotational shaft, adrum 40 provided in thetub 20 to hold the laundry, adamper 50 installed at right and left lower sides of thetub 20 to attenuate vertical and horizontal vibrations of thetub 20, and anelastic means 60 installed at right and left upper sides of thetub 20 to attenuate the vertical and horizontal vibrations of thetub 20. - The
cabinet 10 consists of atop plate 11 provided on a topside, abase plate 12 provided on a bottom side, and acabinet cover 13 provided on a front side to have an entrance (not shown in the drawing) at a central portion to put in/out the laundry. - A
door 13 is installed at thecabinet cover 13 to prevent the laundry from popping out through the entrance. And, agasket 21 is installed between thedoor 13 a and thetub 20 to alleviate a shock caused by a rotation of thedrum 40 and to play a role as a packing in preventing water leakage. - A
control panel 11 a for controlling an operation of the drum type washing machine is installed on thetop plate 11. And, a plurality oflifters 41 are installed on an inside of thedrum 40 to pull up the laundry to a predetermined height to fall by gravity. - Meanwhile, a
water supply hose 16, a water supply valve (not shown in the drawing), and adetergent box 17 are installed in an upper part of thecabinet 10 to supply the water and detergent to thetub 20. And, adrain pump 18 and adrain hose 19 are installed at one side under thetub 20 to circulate or discharge the water. - The
damper 50 consists of aleft damper 51 having one end connected to the left lower side of thetub 20 and the other end connected to a top of thebase plate 12 and aright damper 52 having one end connected to the right lower side of thetub 20 and the other end connected to the top of thebase plate 12. - And, the
elastic means 60 consists of aleft spring 61 having one end connected to a left upper lateral side of thecabinet 10 and the other end connected to a left upper side of thetub 20 and aright spring 62 having one end connected to a right upper lateral side of thecabinet 10 and the other end connected to a right upper side of thetub 20. - However, the above-constructed drum type washing machine according to the related art attenuates the vertical and horizontal vibrations using the
damper 50 andelastic means 60 but fails to attenuate a front-to-rear vibration, whereby the tub severely shakes in front-to-rear directions. Specifically, the front-to-rear vibration recently raises a big problem in a large-capacity high-speed drum type washing machine. - And, the front-to-rear vibration of the
tub 20 makes shocks appearing on parts such as thedamper 50 and thegasket 21 to degrade their endurances. Moreover, the front-to-rear vibration as affects operations of thedrum 40 inside thetub 20 and themotor 30 in rear of thetub 20 so that the drum type washing machine is unstably driven during washing, rinsing, and dewatering. - To overcome such a problem, a new drum type washing machine enabling to attenuate the front-to-rear vibration is needed.
- Accordingly, the present invention is directed to a drum type washing machine having a vibration attenuating means that substantially obviates one or more of the problems due to limitations and disadvantages of the related art.
- An object of the present invention, which has been devised to solve the foregoing problem, lies in providing a drum type washing machine having a vibration attenuating means, which enables to attenuate vertical, horizontal, and front-to-rear vibrations.
- Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent to those having ordinary skill in the art upon examination of the following or may be learned from a practice of the invention. The objectives and other advantages of the invention will be realized and attained by the subject matter particularly pointed out in the specification and claims hereof as well as in the appended drawings.
- To achieve these objects and other advantages in accordance with the present invention, as embodied and broadly described herein, there is provided a drum type washing machine including a cabinet forming an exterior, a tub provided in the cabinet to have a front opening and to hold water, and detergent therein, a motor in rear of the
tub 200 to have a horizontally installed rotational shaft, a drum in the tub to be rotated by the motor, and a vibration attenuating means that includes a damper unit under the tub to attenuate vertical and horizontal vibrations of the tub and an elastic member over the tub to attenuate a front-to-rear vibration of the tub. - The damper unit is installed at right and left sides under the tub, and more preferably, at a middle portion between front and rear sides under the tub.
- The elastic member is installed at front and rear sides over the tub, and more preferably, at a middle portion between right and left sides over the tub.
- The cabinet includes a base plate installed as a bottom of the cabinet, a pair of side plates on both sides of the base plate, a rear plate in rear of the base plate and the side plates, a front plate in front of the base plate and the side plates, and a top plate on the side, rear, and front plates.
- In the above-constituted drum type washing machine, the elastic member includes a front spring having one end connected to an upper front side of the tub to extend in an upper front direction and the other end connected to a lower front side of the top plate and a rear spring having one end connected to an upper rear of the tub to extend in an upper rear direction and the other end connected to a lower rear side of the top plate.
- The elastic member may include a front spring having one end connected to an upper front side of the tub to extend in an upper front direction and the other end connected to a lower front side of the top plate and a rear spring having one end connected to an upper rear of the tub to extend in an upper rear direction and the other end connected to an upper side of the rear plate.
- And, the elastic member may include a front spring having one end connected to an upper front side of the tub to extend in an upper front direction and the other end connected to an upper side of the front plate and a rear spring having one end connected to an upper rear of the tub to extend in an upper rear direction and the other end connected to a lower rear side of the top plate.
- Moreover, the elastic member may include a front spring having one end connected to an upper front side of the tub to extend in an upper front direction and the other end connected to an upper side of the front plate and a rear spring having one end connected to an upper rear of the tub to extend in an upper rear direction and the other end connected to an upper side of the rear plate.
- Besides, the tub includes a connecting member at the upper front and rear sides to have the elastic member connected thereto.
- Therefore, the above-constructed drum type washing machine attenuates the vertical, horizontal, and front-to-rear vibrations and reduces noise generated from driving the washing machine.
- It is to be understood that both the foregoing explanation and the following detailed description of the present invention are exemplary and illustrative and are intended to provide further explanation of the invention as claimed.
- The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:
- FIG. 1 is a schematic perspective view of a drum type washing machine according to a related art, in which an internal view is shown in part;
- FIG. 2 is a cross-sectional view of a drum type washing machine according to a related art;
- FIG. 3 is a schematic perspective view of a drum type washing machine according to the present invention, in which an internal view is shown in part;
- FIG. 4 is a cross-sectional view of a drum type washing machine according to a first embodiment of the present invention;
- FIG. 5 is a cross-sectional view of a drum type washing machine according to a second embodiment of the present invention;
- FIG. 6 is a cross-sectional view of a drum type washing machine according to a third embodiment of the present invention; and
- FIG. 7 is a cross-sectional view of a drum type washing machine according to a first embodiment of the present invention.
- Reference will now be made in detail to the preferred embodiment(s) of the present invention, examples of which are illustrated in the accompanying drawings. Throughout the drawings, like elements are indicated using the same or similar reference designations where possible.
- FIG. 3 is a schematic perspective view of a drum type washing machine according to the present invention, in which an internal view is shown in part.
- Referring to FIG. 3, a drum type washing machine according to the present invention includes a
cabinet 100, atub 200 provided in the cabinet to hold laundry, water, and detergent therein, amotor 300 in rear of thetub 200 to have a horizontally installed rotational shaft, adrum 400 provided in thetub 200, and adamper 500 attenuating vibrations of thetub 200. - FIG. 4 is a cross-sectional view of a drum type washing machine according to a first embodiment of the present invention, FIG. 5 is a cross-sectional view of a drum type washing machine according to a second embodiment of the present invention, FIG. 6 is a cross-sectional view of a drum type washing machine according to a third embodiment of the present invention, and FIG. 7 is a cross-sectional view of a drum type washing machine according to a first embodiment of the present invention.
- Referring to FIG. 4, a drum type washing machine according to a first embodiment of the present invention includes a
cabinet 100 forming an exterior, atub 200 provided in the cabinet to hold laundry, water, and detergent therein, amotor 300 in rear of thetub 200 to have a rotational shaft horizontally penetrating into thetub 200, adrum 400 provided in thetub 200 to be connected to the rotational shaft of themotor 300 to hold the laundry, and a vibration attenuating means for attenuating vibrations generated from thetub 200 when thedrum 400 is driven to rotate by a driving force of themotor 300. - The
cabinet 100 includes abase plate 120 installed as a bottom, a pair ofside plates 120 provided on both sides of thebase plate 120, arear plate 150 provided in rear of thebase plate 120 and theside plates 140, afront plate 130 provided in front of thebase plate 120 and theside plates 140, and atop plate 110 provided on the side, rear, and front plates. - In this case, the
front plate 130 includes an entrance at a center through which the laundry is put in/out and adoor 131 opening/closing the entrance to prevent the laundry from being thrown away through the entrance. - A
gasket 210 is installed between thedoor 131 and thetub 200 to alleviate a shock generated from thetub 200 and to play a role of a packing for preventing water from leaking outside. - A
control panel 111 controlling an operation of the drum type washing machine is installed on a thetop plate 110. - And, a plurality of
lifters 410 are installed on an inside of thedrum 400 to pull up the laundry to a predetermined height to fall by gravity. - Moreover, a
water supply hose 160, a water supply valve (not shown in the drawing), and adetergent box 170 are installed in an upper part of thecabinet 100 to supply the water and detergent to thetub 200. And, adrain pump 180 and adrain hose 190 are installed at one side under thetub 200 to circulate or discharge the water. - The vibration attenuating means includes a
damper unit 500 installed left and right sides beneath thetub 200 to attenuate vertical and horizontal vibrations of thetub 200 and anelastic member 600 installed onto front and rear sides of thetub 200 to attenuate a front-to-rear vibration of thetub 200. - The damper unit includes a
left damper 510 having one end connected to a left bottom side of thetub 200 to extend in a left lower direction and the other end connected to an upper left side of thebase plate 120 and aright damper 520 having one end connected to a right bottom side of thetub 200 to extend in a lower right direction and the other end connected to a right upper side of thebase plate 120. - In this case, both ends of each of the
dampers tub 200 and thebase plate 120, respectively to support thetub 200. - The
elastic member 600 includes afront spring 611 having one end connected to an upper front side of thetub 200 to extend in an upper front direction and the other end connected to a lower front side of thetop plate 110 and arear spring 612 having one end connected to an upper rear of thetub 200 to extend in an upper rear direction and the other end connected to a lower rear side of thetop plate 110. -
Spring connecting members tub 200, to which the one ends of the front andrear springs rear springs - Openings are formed at the
spring connecting members springs - And,
spring fixing members rear springs rear springs - An operation of the above-constructed drum type washing machine according to the present invention is explained as follows.
- First of all, once a power is applied to the drum type washing machine, water is supplied to the
tub 200 according to an amount of the laundry put in thedrum 400 via thewater supply hose 160. - After the
tub 200 is sufficiently filled with the supplied water, a washing step is executed so that thedrum 400 is rotated by the drivenmotor 300. - Once the drum rotates, the laundry in the
drum 400 is lifted up to fall down to remove the dirt or filth attached to the laundry. - After completion of the washing step, a draining step is initiated to discharge the used water in the
tub 200 outside the cabinet using the drain pump andhose - In rear half of the draining step, a dewatering step is executed by having the
drum 400 rotate at high sped to remove water contents involved in the laundry. - After completion of the draining step, new water is supplied to the
tub 200 and thedrum 400 is then rotated to perform a rinsing step for rinsing the laundry. - Thus, in the washing, rinsing, and dewatering steps, the
drum 400 is rotated by the motor to generate vibrations to vibrate thetub 200 outside thedrum 400. - In such a case, the horizontal and vertical vibrations of the
tub 200 are alleviated by thedamper unit 500 and the front-to-rear vibration of thetub 200 is alleviated by theelastic member 600, whereby the overall vibrations of the washing machine are attenuated. - The elastic member enables to attenuate the vertical vibration together with the damper unit as well as the front-to-rear vibration of the tub.
- Meanwhile, the installation structure of the elastic means600 can be variously modified according to the positions to which the front and
rear springs - Such modifications are explained in the description of second to fourth embodiments of the present invention as follows.
- In the description of second to fourth embodiments of the present invention, overall elements of the present invention except the elastic member are the same of the first embodiment of the present invention, thereby being skipped in the following.
- Referring to FIG. 5, the
elastic member 600 according to a second embodiment of the present invention includes afront spring 612 having one end connected to an upper front side of thetub 200 to extend in an upper front direction and the other end connected to a lower front side of thetop plate 110 and arear spring 622 having one end connected to an upper rear of thetub 200 to extend in an upper rear direction and the other end connected to an upper side of therear plate 150. - And,
spring fixing members rear springs top plate 110 and the upper side of therear plate 150, respectively. - Referring to FIG. 6, the
elastic member 600 according to a third embodiment of the present invention includes afront spring 613 having one end connected to an upper front side of thetub 200 to extend in an upper front direction and the other end connected to an upper side of thefront plate 130 and arear spring 623 having one end connected to an upper rear of thetub 200 to extend in an upper rear direction and the other end connected to a lower rear side of thetop plate 110. - And,
spring fixing members rear springs front plate 130 and the lower rear side of thetop plate 110, respectively. - Referring to FIG. 7, the
elastic member 600 according to a fourth embodiment of the present invention includes afront spring 614 having one end connected to an upper front side of thetub 200 to extend in an upper front direction and the other end connected to an upper side of thefront plate 130 and arear spring 624 having one end connected to an upper rear of thetub 200 to extend in an upper rear direction and the other end connected to an upper side of therear plate 150. - And,
spring fixing members 243 and 253, to which the other ends of the front andrear springs front plate 130 and the upper side of therear plate 150, respectively. - Accordingly, the drum type washing machine according to the present invention has the following effects or advantages.
- First of all, the damper unit including the left and right dampers attenuate the vertical and horizontal vibrations of the tub and the elastic member including the front and rear springs attenuates the front-to-rear vibration as well as the vertical vibration of the tub, whereby the overall vibrations and noise are remarkably reduced.
- Secondly, the present invention remarkably reduces the front-to-rear vibration of the tub to prevent the internal parts near the tub from being damaged by shocks according to the vibrations, whereby endurances of the internal parts are preserved.
- It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention cover such modifications and variations, provided they come within the scope of the appended claims and their equivalents.
Claims (11)
1. A drum type washing machine comprising:
a cabinet forming an exterior;
a tub provided in the cabinet to have a front opening and to hold water, and detergent therein;
a motor in rear of the tub 200 to have a horizontally installed rotational shaft;
a drum in the tub to be rotated by the motor; and
a vibration attenuating means comprising:
a damper unit under the tub to attenuate vertical and horizontal vibrations of the tub; and
an elastic member over the tub to attenuate a front-to-rear vibration of the tub.
2. The drum type washing machine as claimed in claim 1 , wherein the damper unit is installed at right and left sides under the tub.
3. The drum type washing machine as claimed in claim 2 , wherein the damper unit is installed at a middle portion between front and rear sides under the tub.
4. The drum type washing machine as claimed in claim 1 , wherein the elastic member is installed at front and rear sides over the tub.
5. The drum type washing machine as claimed in claim 4 , wherein the elastic member is installed at a middle portion between right and left sides over the tub.
6. The drum type washing machine as claimed in claim 5 , the cabinet comprising:
a base plate installed as a bottom of the cabinet;
a pair of side plates on both sides of the base plate;
a rear plate in rear of the base plate and the side plates;
a front plate in front of the base plate and the side plates; and
a top plate on the side, rear, and front plates.
7. The drum type washing machine as claimed in claim 6 , the elastic member comprising:
a front spring having one end connected to an upper front side of the tub to extend in an upper front direction and the other end connected to a lower front side of the top plate; and
a rear spring having one end connected to an upper rear of the tub to extend in an upper rear direction and the other end connected to a lower rear side of the top plate.
8. The drum type washing machine as claimed in claim 6 , the elastic member comprising:
a front spring having one end connected to an upper front side of the tub to extend in an upper front direction and the other end connected to a lower front side of the top plate; and
a rear spring having one end connected to an upper rear of the tub to extend in an upper rear direction and the other end connected to an upper side of the rear plate.
9. The drum type washing machine as claimed in claim 6 , the elastic member comprising:
a front spring having one end connected to an upper front side of the tub to extend in an upper front direction and the other end connected to an upper side of the front plate; and
a rear spring having one end connected to an upper rear of the tub to extend in an upper rear direction and the other end connected to a lower rear side of the top plate.
10. The drum type washing machine as claimed in claim 6 , the elastic member comprising:
a front spring having one end connected to an upper front side of the tub to extend in an upper front direction and the other end connected to an upper side of the front plate; and
a rear spring having one end connected to an upper rear of the tub to extend in an upper rear direction and the other end connected to an upper side of the rear plate.
11. The drum type washing machine as claimed in claim 6 , the tub comprising a connecting member at the upper front and rear sides to have the elastic member connected thereto.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020075318A KR20040047195A (en) | 2002-11-29 | 2002-11-29 | drum washing machine |
KRP2002-0075318 | 2002-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040154353A1 true US20040154353A1 (en) | 2004-08-12 |
Family
ID=32822523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/722,457 Abandoned US20040154353A1 (en) | 2002-11-29 | 2003-11-28 | Drum type washing machine having vibration attenuating means |
Country Status (2)
Country | Link |
---|---|
US (1) | US20040154353A1 (en) |
KR (1) | KR20040047195A (en) |
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US3114705A (en) * | 1962-08-20 | 1963-12-17 | Gen Motors Corp | Means for controlling the dampening of an elastically suspended rotating drum duringcentrifuging |
US3580014A (en) * | 1968-02-13 | 1971-05-25 | Zanussi A Spa Industrie | Machine having a rotary motion, especially washing machine, furnished with ballast |
US3800567A (en) * | 1971-09-18 | 1974-04-02 | J Stelwagen | Washing and spin-drying machine with auxiliary mass |
US5080204A (en) * | 1990-02-09 | 1992-01-14 | Suspa Compart Aktiengesellschaft | Frictional vibrator damper |
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US5870907A (en) * | 1995-08-29 | 1999-02-16 | Samsung Electronics Co., Ltd. | Drum type clothes washer having fluid type vibration attenuation apparatus |
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JPH05131075A (en) * | 1991-11-14 | 1993-05-28 | Matsushita Electric Ind Co Ltd | Drum type washing machine |
KR0124297Y1 (en) * | 1994-04-06 | 1999-05-01 | 김광호 | A drum type washing machine |
KR200157097Y1 (en) * | 1996-11-01 | 1999-09-15 | 윤종용 | Vibration absorbing apparatus of a drum washing machine |
KR200169590Y1 (en) * | 1997-09-24 | 2000-02-01 | 구자홍 | damper in drum-type washing machine |
KR200232026Y1 (en) * | 1998-07-29 | 2001-10-25 | 윤종용 | washer |
-
2002
- 2002-11-29 KR KR1020020075318A patent/KR20040047195A/en not_active Application Discontinuation
-
2003
- 2003-11-28 US US10/722,457 patent/US20040154353A1/en not_active Abandoned
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3114705A (en) * | 1962-08-20 | 1963-12-17 | Gen Motors Corp | Means for controlling the dampening of an elastically suspended rotating drum duringcentrifuging |
US3580014A (en) * | 1968-02-13 | 1971-05-25 | Zanussi A Spa Industrie | Machine having a rotary motion, especially washing machine, furnished with ballast |
US3800567A (en) * | 1971-09-18 | 1974-04-02 | J Stelwagen | Washing and spin-drying machine with auxiliary mass |
US5080204A (en) * | 1990-02-09 | 1992-01-14 | Suspa Compart Aktiengesellschaft | Frictional vibrator damper |
US5335522A (en) * | 1990-02-12 | 1994-08-09 | Suspa Compart Aktiengesellschaft | Washing machine |
US5207081A (en) * | 1990-11-19 | 1993-05-04 | Kabushiki Kaisha Showa Seisakusho | Vibration damper assembly |
US5230229A (en) * | 1991-02-23 | 1993-07-27 | Suspa Compart Aktiengesellschaft | Washing machine |
US5870907A (en) * | 1995-08-29 | 1999-02-16 | Samsung Electronics Co., Ltd. | Drum type clothes washer having fluid type vibration attenuation apparatus |
US5907880A (en) * | 1997-05-15 | 1999-06-01 | Electrolux Zanussi S.P.A. | Method for providing active damping of the vibrations generated by the washing assembly of washing machines and washing machine implementing said method |
US6151930A (en) * | 1997-10-29 | 2000-11-28 | Lord Corporation | Washing machine having a controllable field responsive damper |
US6574997B1 (en) * | 1999-05-07 | 2003-06-10 | Suspa Holding Gmbh | Coupling device for coupling a frictional damper to a machine frame of a washing machine |
US6826932B2 (en) * | 2001-09-13 | 2004-12-07 | Sanyo Electric Co., Ltd. | Drum-type washing machine |
US6782722B2 (en) * | 2001-09-25 | 2004-08-31 | Sanyo Electric Co., Ltd. | Drum washing machine |
US6974000B2 (en) * | 2002-02-20 | 2005-12-13 | Lord Corporation | System and method for limiting vibration in an apparatus during a loss of power |
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