CA2416096A1 - Appliance attachable to a dryer and a dryer for use therewith - Google Patents

Appliance attachable to a dryer and a dryer for use therewith Download PDF

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Publication number
CA2416096A1
CA2416096A1 CA002416096A CA2416096A CA2416096A1 CA 2416096 A1 CA2416096 A1 CA 2416096A1 CA 002416096 A CA002416096 A CA 002416096A CA 2416096 A CA2416096 A CA 2416096A CA 2416096 A1 CA2416096 A1 CA 2416096A1
Authority
CA
Canada
Prior art keywords
safety system
dryer
air
outlet
lint
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.)
Granted
Application number
CA002416096A
Other languages
French (fr)
Other versions
CA2416096C (en
Inventor
Bart Donald Beaumont
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boemar Inc
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2416096A1 publication Critical patent/CA2416096A1/en
Application granted granted Critical
Publication of CA2416096C publication Critical patent/CA2416096C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/20General details of domestic laundry dryers 
    • D06F58/22Lint collecting arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28Air properties
    • D06F2103/32Temperature
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28Air properties
    • D06F2103/36Flow or velocity
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/38Time, e.g. duration
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/42Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/62Stopping or disabling machine operation
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/10Power supply arrangements, e.g. stand-by circuits
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/20General details of domestic laundry dryers 
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/32Control of operations performed in domestic laundry dryers 
    • D06F58/34Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/50Responding to irregular working conditions, e.g. malfunctioning of blowers

Abstract

A lint collector and safety system for the clothes dryer. The lint collector removes lint. The safety system determines whether the flow of exhaust air i s above a pre-set level, and causes an interruption of electrical power to the clothes dryer if there is not. The invention provides for more efficient drying of clothes and reduces risk of fires. The system may also include an interruption of electrical power for other malfunctions of clothes dryer.</S DOAB>

Claims (37)

1. A safety system for a clothes dryer said dryer having an outlet pipe for conveying of exhaust air from the dryer the safety system comprising a pipe having an inlet and an outlet said inlet being connectable to said outlet pipe of the dryer said pipe having a flow meter therein, said flow meter being adapted to cause a break in the electrical circuit of the dryer if the flow of exhaust air decreases below a pre-determined limit.
2. A safety system as claimed in claim 1 wherein the flow meter includes a generally circular flapper that is pivotally attached to the outlet and generally covers the outlet.
3. A safety system as claimed in claim 1 in which the flow meter occupies a minor portion of the cross-sectional area of the outlet.
4. A safety system as claimed in claim 2 wherein the flow meter is a vane type flow meter.
5. A safety system as claimed in claim 1 wherein the flow meter is a propellor type flow meter.
6. A safety system as claimed in claim 1 wherein the flow meter is a pressure sensor/switch type flow meter.
7. A safety system as claimed in any previous claim further including a timer being adapted to cause an interruption in the electrical circuit of the dryer if the time of use is greater than a predetermined time.
8. A safety system as claimed in any previous claim further including a temperature sensor adapted to cause an interruption in the electrical circuit of the dryer if the temperature is greater than a predetermined temperature.
9. A safety system as claimed in any previous claim further including a means for electrocuting lint passing form the pipe inlet to the pipe outlet.
10. A safety system as claimed in claim 9 wherein the electrocuting means includes a screen having a current passing therethrough.
11. A safety system as claimed in claim 9 wherein the electrocuting means includes a plurality of spaced apart wires having a current passing therethrough.
12. A safety system as claimed in any previous claim wherein the safety system is internal to said dryer.
13. A safety system as claimed in claims 1 to 8 further including a lint collector system.
14. A safety system as claimed in claim 13 wherein the lint collector system includes a housing, said housing having an inlet and an outlet for passage of exhaust air from the dryer, said inlet being adapted to receive exhaust air from the dryer, said housing having a water reservoir.
15. A safety system as claimed in claim 14 wherein the inlet is disposed such that exhaust air from the dryer is directed onto the surface of water in the water reservoir.
16. A safety system as claimed in one of claims 14 and 15 in which the clothes dryer is within a building and the outlet to the housing is vented exterior to the building.
17. A safety system as claimed in one of claims 14 and 15 in which the clothes dryer is within a building and the outlet to be housing is connected to a heating system within the building.
18. A safety system as claimed in any of claims 14 to 17 in which the housing is adapted to be attached to a wall.
19. A safety system as claimed in any of claims 14 to 18 in which the housing has horizontal attachment means.
20. A safety system as claimed in any of claims claim 14 to 19 in which the water reservoir is separable for cleaning.
21. A safety system as claimed in any of claims 14 to 20 in which electrical interruption is effected within an electrical socket into which said clothes dryer is plugged.
22. A safety system as claimed in any of claims 14 to 21 in which the lint collector will remove generally all lint entering the inlet.
23. A safety system as claimed in any of claims 14 to 22 further including a water level sensor adapted to cause an interruption in the electrical circuit of the dryer if the water level is less than a predetermined water level.
24. A safety system as claimed in any of claims 14 to 23 further including a filter adapted to strain the water from the lint when the water is drained from reservoir.
25. A safety system as claimed in any of claims 24 wherein the filter covers the lint collection system outlet.
26. A clothes dryer comprising:
a chamber to receive and retain clothes to be dried;

an air inlet to said chamber, said air inlet having means to heat air entering the chamber through said air inlet;
an air outlet to said chamber, said air outlet having a fan therein for withdrawal of air from the chamber; and means to feed air from said fan to a lint collector system, said lint collector system having a housing with an inlet, an outlet and a water reservoir, said inlet being disposed such that air is fed from the fan into the water reservoir and then to said outlet.
27. A clothes dryer as claimed in claim 26 further including a flow meter in said lint collect being adapted to cause an interruption in the electrical circuit of the dryer if flow of exhaust air decreases below a pre-determined limit.
28. In a clothes dryer having a chamber to receive and retain clothes to be dried, an air inlet to said chamber with means to heat air entering the chamber through said air inlet to a pre-determined temperature, means to control said clothes dryer, an air outlet to said chamber, a lint screen in said outlet and a fan for withdrawal of air from the chamber through said lint screen, the improvement comprising replacing said lint screen with a lint collector system having a housing with an inlet, an outlet and a water reservoir, said lint collector system being located such that air withdrawn from the chamber by the fan is passed from the fan through the inlet of the lint collector system and directed onto water in the water reservoir.
29. A clothes dryer as claimed in claim 28 further including a flow meter in said lint collect being adapted to cause an interruption in the electrical circuit of the dryer if flow of exhaust air decreases below a pre-determined limit.
30. A clothes dryer as claimed in one of claims 28 and 29 wherein the lint collector system is internal to the dryer.
31. A clothes dryer adapted to be connected to an external lint collection system comprising:
a chamber to receive and retain clothes to be dried;
an air inlet to said chamber, said air inlet having means to heat air entering the chamber through said air inlet;
an air outlet to said chamber, said air outlet having a fan therein for withdrawal of air from the chamber said air outlet being substantial free of obstruction; and means to feed air from said fan to said external lint collector system.
32. An electrical socket for receiving a dryer plug and a connection to a safety system comprising:
a means for providing power to the dryer plug;
a means for providing power to the safety system a means for receiving signals from the safety system; and a means for interrupting power to the dryer response to predetermined signals from the safety system.
33. An electrical socket as claimed in claim 32 wherein the predetermined signal is responsive to air flow in the safety system being lower than a predetermined limit.
34. An electrical socket as claimed in one of claims 32 and 33 wherein the predetermined signal is responsive to a time of use is greater than a predetermined time.
35. An electrical socket as claimed in any of claims 32 to 34 wherein the predetermined signal is responsive to a temperature in the safety system being above a predetermined limit.
36. An electrical socket as claimed in any of claims 32 to 35 wherein the predetermined signal is responsive to a water level in the safety system being less than a predetermined water level.
37. A non-restricting cover plate adapted for use with a clothes dryer having a removable lint screen and an exhaust pipe comprising a cover plate adapted to allow air and lint into the exhaust pipe and prevent clothes from entering the exhaust pipe.
CA2416096A 2000-07-12 2001-07-12 Appliance attachable to a dryer and a dryer for use therewith Expired - Lifetime CA2416096C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US21807900P 2000-07-12 2000-07-12
US60/218,079 2000-07-12
PCT/CA2001/001007 WO2002004736A2 (en) 2000-07-12 2001-07-12 Appliance attachable to a dryer and a dryer for use therewith

Publications (2)

Publication Number Publication Date
CA2416096A1 true CA2416096A1 (en) 2002-01-17
CA2416096C CA2416096C (en) 2010-04-13

Family

ID=22813655

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2416096A Expired - Lifetime CA2416096C (en) 2000-07-12 2001-07-12 Appliance attachable to a dryer and a dryer for use therewith

Country Status (4)

Country Link
US (3) US20040187343A1 (en)
AU (1) AU2001272275A1 (en)
CA (1) CA2416096C (en)
WO (1) WO2002004736A2 (en)

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Also Published As

Publication number Publication date
US6671977B2 (en) 2004-01-06
US20070101603A1 (en) 2007-05-10
WO2002004736A9 (en) 2002-12-27
CA2416096C (en) 2010-04-13
WO2002004736A2 (en) 2002-01-17
US20020023368A1 (en) 2002-02-28
AU2001272275A1 (en) 2002-01-21
US20040187343A1 (en) 2004-09-30
WO2002004736A3 (en) 2002-06-13

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Effective date: 20210712