CA2566781A1 - Pump apparatus, systems and methods - Google Patents
Pump apparatus, systems and methods Download PDFInfo
- Publication number
- CA2566781A1 CA2566781A1 CA002566781A CA2566781A CA2566781A1 CA 2566781 A1 CA2566781 A1 CA 2566781A1 CA 002566781 A CA002566781 A CA 002566781A CA 2566781 A CA2566781 A CA 2566781A CA 2566781 A1 CA2566781 A1 CA 2566781A1
- Authority
- CA
- Canada
- Prior art keywords
- shaft
- pump shaft
- axial
- coupling
- chamber
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/021—Units comprising pumps and their driving means containing a coupling
- F04D13/022—Units comprising pumps and their driving means containing a coupling a coupling allowing slip, e.g. torque converter
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49947—Assembling or joining by applying separate fastener
- Y10T29/49963—Threaded fastener
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/51—Joints and connections including spaced, diverse connections
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/57—Distinct end coupler
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7026—Longitudinally splined or fluted rod
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/71—Rod side to plate or side
- Y10T403/7129—Laterally spaced rods
- Y10T403/7135—Laterally spaced rods by separable shim or bushing in connector
Abstract
Pump apparatus, systems and methods of making and using same are disclosed.
One inventive system includes a coupling member, a first shaft and a second shaft, the coupling member connecting the first shaft with the second shaft, the coupling member defining a first axial chamber accepting the first shaft, and a second axial chamber accepting the second shaft, the chambers separated by a coupling plate, the chambers including torsional motion transmitting elements and axial motion securing elements in the first and second axial chambers for axially securing the shafts in the coupling member. This abstract allows a searcher or other reader to quickly ascertain the subject matter of the disclosure. It will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).
One inventive system includes a coupling member, a first shaft and a second shaft, the coupling member connecting the first shaft with the second shaft, the coupling member defining a first axial chamber accepting the first shaft, and a second axial chamber accepting the second shaft, the chambers separated by a coupling plate, the chambers including torsional motion transmitting elements and axial motion securing elements in the first and second axial chambers for axially securing the shafts in the coupling member. This abstract allows a searcher or other reader to quickly ascertain the subject matter of the disclosure. It will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).
Claims (21)
1. An apparatus comprising a coupling member adapted to connect a first shaft with a second shaft, the coupling member comprising means for transmitting rotational movement between the shafts and means for securing the shafts from substantial axial movement during rotation of the shafts and coupling member, the coupling member including at least one torque-limiting element.
2. The apparatus of claim 1 comprising a first axial chamber adapted to accept a first end of the first shaft, and a second axial chamber adapted to accept a first end of the second shaft, the axial chambers including the means for transmitting rotational movement and the means for securing the shafts from substantial axial movement.
3. The apparatus of claim 2 comprising a coupling plate, wherein the coupling plate has a through hole adapted to accept a male portion of an axial motion securing member.
4. The apparatus of claim 3 wherein the coupling plate is positioned approximately midway between first and second ends of the coupling member.
5. The apparatus of claim 1 wherein the means for transmitting rotational movement are selected from splines, pins, bolts, rivets, clamps, rings, threads, grooves, gears, bearings, collets, and combinations thereof.
6. The apparatus of claim 1 wherein the torque-limiting element is selected from appropriate choice of a coupling materials, one or more grooves on the OD or ID of the coupling member having a variable length and depth so as to limit the cross sectional area and thus the strength of the coupling to a predetermined value, wherein the depth of the grooves may be equal to zero depending on the design and/or choice of material, use of one or more radial or longitudinal shear pins, use of a press fit member designed to slip under a given torsional load, spring loaded mechanisms, cam loaded mechanisms, and any combination of these.
7. A system comprising a coupling member connecting a first shaft with a second shaft, the coupling member comprising means for transmitting rotational movement between the shafts and means for securing the shafts from substantial axial movement during rotation of the shafts and coupling member, the coupling member including at least one torque-limiting element.
8. The system of claim 7 comprising the coupling member defining a first axial chamber accepting a first end of the first shaft, and a second axial chamber accepting a first end of the second shaft, the axial chambers including the means for transmitting rotational movement between the shafts and the means for securing the shafts from substantial axial movement
9. The system of claim 8 wherein the first shaft is a pump shaft and the securing comprises means selected from (a) the first end of the pump shaft is axially secured in the first axial chamber, and the pump shaft comprises a female aperture or receptacle extending inwardly from the pump shaft first end a certain distance and accepting a male portion of a pump shaft axial securing member, the female receptacle and the male portion of the pump shaft axial securing member being threaded in matching relationship, the pump shaft axial securing member comprises a head, forming with the male portion a bolt, the male portion protruding through a central through hole in a coupling plate and threadingly engaging the threads in the female receptacle, while the head engages the coupling plate;
(b) a female aperture or receptacle extending inwardly from the pump shaft first end a certain distance and accepting a male portion of a pump shaft axial securing member, wherein the female receptacle comprises one or more grooves, while the male portion of the pump shaft adjusting member includes one or more radially extending pins or other protuberances sliding into matching respective grooves and engaging a portion of the matching groove to axially secure the pump shaft to the coupling;
(c) the pump shaft is axially secured to the coupling member by one or more pins inserted through matching transverse passages through walls of the coupling member which define the first chamber and through a corresponding transverse passage in the pump shaft;
(d) the pump shaft is axially secured to the coupling member by the pump shaft being modified on its outer surface proximate the first chamber inner wall to accept a threaded collar which also has threads on its outer surface mating with threads on an inner wall surface of the first chamber;
(e) the pump shaft is axially secured to the coupling member by the pump shaft being threaded on its outer surface proximate the first chamber inner wall to mate with threads on an inner wall surface of the first chamber;
(f) the pump shaft is axially secured to the coupling member by a two-piece ring;
(g) the pump shaft is axially secured to the coupling member by a snap ring;
and (h) combinations of (a) - (h).
(b) a female aperture or receptacle extending inwardly from the pump shaft first end a certain distance and accepting a male portion of a pump shaft axial securing member, wherein the female receptacle comprises one or more grooves, while the male portion of the pump shaft adjusting member includes one or more radially extending pins or other protuberances sliding into matching respective grooves and engaging a portion of the matching groove to axially secure the pump shaft to the coupling;
(c) the pump shaft is axially secured to the coupling member by one or more pins inserted through matching transverse passages through walls of the coupling member which define the first chamber and through a corresponding transverse passage in the pump shaft;
(d) the pump shaft is axially secured to the coupling member by the pump shaft being modified on its outer surface proximate the first chamber inner wall to accept a threaded collar which also has threads on its outer surface mating with threads on an inner wall surface of the first chamber;
(e) the pump shaft is axially secured to the coupling member by the pump shaft being threaded on its outer surface proximate the first chamber inner wall to mate with threads on an inner wall surface of the first chamber;
(f) the pump shaft is axially secured to the coupling member by a two-piece ring;
(g) the pump shaft is axially secured to the coupling member by a snap ring;
and (h) combinations of (a) - (h).
10. The system of claim 9 wherein the pump shaft axial securing member is adjustable.
11. The system of claim 9 wherein one or more pump shaft shims are positioned between the coupling plate and the first end of the pump shaft, the male portion of the pump shaft axial securing member passing through the shims and through the coupling plate.
12. The system of claim 8 wherein the second shaft is a thrust chamber shaft axially secured to the coupling member by means selected from (a) the first end of the pump shaft is axially secured in the first axial chamber, and the pump shaft comprises a female aperture or receptacle extending inwardly from the pump shaft first end a certain distance and accepting a male portion of a pump shaft axial securing member, the female receptacle and the male portion of the pump shaft axial securing member being threaded in matching relationship, the pump shaft axial securing member comprises a head, forming with the male portion a bolt, the male portion protruding through a central through hole in a coupling plate and threadingly engaging the threads in the female receptacle, while the head engages the coupling plate;
(b) a female aperture or receptacle extending inwardly from the thrust chamber shaft first end a certain distance and accepting a male portion of a thrust chamber shaft axial securing member, wherein the female receptacle comprises one or more grooves, while the male portion of the thrust chamber shaft adjusting member includes one or more radially extending pins or other protuberances sliding into matching respective grooves and engaging a portion of the matching groove to axially secure the thrust chamber shaft to the coupling;
(c) the thrust chamber shaft is axially secured to the coupling member by one or more pins inserted through matching transverse passages through walls of the coupling member which define the first chamber and through a corresponding transverse passage in the thrust chamber shaft;
(d) the thrust chamber shaft is axially secured to the coupling member by the thrust chamber shaft being modified on its outer surface proximate the first chamber inner wall to accept a threaded collar which also has threads on its outer surface mating with threads on an inner wall surface of the first chamber;
(e) the thrust chamber shaft is axially secured to the coupling member by the thrust shaft being threaded on its outer surface proximate the first chamber inner wall to mate with threads on an inner wall surface of the first chamber;
(f) the thrust chamber shaft is axially secured to the coupling member by a two-piece ring;
(g) the thrust chamber shaft is axially secured to the coupling member by a snap ring; and (h) combinations of (a) - (g).
(b) a female aperture or receptacle extending inwardly from the thrust chamber shaft first end a certain distance and accepting a male portion of a thrust chamber shaft axial securing member, wherein the female receptacle comprises one or more grooves, while the male portion of the thrust chamber shaft adjusting member includes one or more radially extending pins or other protuberances sliding into matching respective grooves and engaging a portion of the matching groove to axially secure the thrust chamber shaft to the coupling;
(c) the thrust chamber shaft is axially secured to the coupling member by one or more pins inserted through matching transverse passages through walls of the coupling member which define the first chamber and through a corresponding transverse passage in the thrust chamber shaft;
(d) the thrust chamber shaft is axially secured to the coupling member by the thrust chamber shaft being modified on its outer surface proximate the first chamber inner wall to accept a threaded collar which also has threads on its outer surface mating with threads on an inner wall surface of the first chamber;
(e) the thrust chamber shaft is axially secured to the coupling member by the thrust shaft being threaded on its outer surface proximate the first chamber inner wall to mate with threads on an inner wall surface of the first chamber;
(f) the thrust chamber shaft is axially secured to the coupling member by a two-piece ring;
(g) the thrust chamber shaft is axially secured to the coupling member by a snap ring; and (h) combinations of (a) - (g).
13. The system of claim 9 wherein the coupling plate has two substantially parallel surfaces substantially perpendicular to a longitudinal axis of the pump shaft and the second shaft, and wherein the pump shaft axial securing member interacts with the coupling plate by way of a head that abuts against one of the substantially parallel surfaces of the coupling plate that faces the thrust chamber shaft.
14. The system of claim 9 wherein a side of the coupling plate facing the second shaft has a recessed area that accepts the head of the pump shaft axial securing member so that it abuts the recessed area, allowing the first end of the second shaft to be positioned substantially flush against the coupling plate.
15. The system of claim 7 wherein the torque-limiting element is selected from appropriate choice of a coupling materials, one or more grooves on the OD or ID of the coupling member having a variable length and depth so as to limit the cross sectional area and thus the strength of the coupling to a predetermined value, wherein the depth of the grooves may be equal to zero depending on the design and/or choice of material, use of one or more radial or longitudinal shear pins, use of a press fit member designed to slip under a given torsional load, spring loaded mechanisms, cam loaded mechanisms, and any combination of these.
16. A system comprising:
(a) a driver;
(b) a driver shaft turned by the driver;
(c) one or more pump stages on a pump shaft arranged in series, the pump shaft coupled to a thrust chamber shaft by a coupling member, the thrust chamber shaft coupled to the driver shaft;
(d) the coupling member having a first axial chamber accepting a first end of the pump shaft, and a second axial chamber accepting a first end of the thrust chamber shaft, the axial chambers separated by a coupling plate;
(e) the pump shaft having a female receptacle extending from the first end inward a distance and accepting a male portion of a pump shaft axial securing member;
(f) one or more pump shaft shims positioned between the coupling plate and the first end of the pump shaft, the male portion of the pump shaft axial securing member passing through the shims and through the coupling plate;
(g) the pump shaft axial securing member having a head which secures the shims against one side of the coupling plate, while the head itself is secured against an opposite side of the coupling plate;
(h) the first end of the thrust chamber shaft secured in the second axial chamber by a two piece ring and a snap ring.
(a) a driver;
(b) a driver shaft turned by the driver;
(c) one or more pump stages on a pump shaft arranged in series, the pump shaft coupled to a thrust chamber shaft by a coupling member, the thrust chamber shaft coupled to the driver shaft;
(d) the coupling member having a first axial chamber accepting a first end of the pump shaft, and a second axial chamber accepting a first end of the thrust chamber shaft, the axial chambers separated by a coupling plate;
(e) the pump shaft having a female receptacle extending from the first end inward a distance and accepting a male portion of a pump shaft axial securing member;
(f) one or more pump shaft shims positioned between the coupling plate and the first end of the pump shaft, the male portion of the pump shaft axial securing member passing through the shims and through the coupling plate;
(g) the pump shaft axial securing member having a head which secures the shims against one side of the coupling plate, while the head itself is secured against an opposite side of the coupling plate;
(h) the first end of the thrust chamber shaft secured in the second axial chamber by a two piece ring and a snap ring.
17. The system of claim 16 comprising a horizontal pumping system.
18. The system of claim 16 comprising a vertical pumping system.
19. The system of claim 16 comprising an electric submersible pump.
20. A method comprising:
(a) measuring axial shaft movement of first and second shafts during operation using a standard coupling;
(b) selecting a coupling member adapted to limit the axial shaft movement; and (c) installing the coupling member to limit the axial shaft movement.
(a) measuring axial shaft movement of first and second shafts during operation using a standard coupling;
(b) selecting a coupling member adapted to limit the axial shaft movement; and (c) installing the coupling member to limit the axial shaft movement.
21. The method of claim 20 wherein the selecting a coupling member adapted to limit shaft movement comprises calculating the width and/or number of shaft shims required to limit the axial shaft movement, and installing one or more shaft shims in the coupling by bolting or other means.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/164,301 US7775779B2 (en) | 2005-11-17 | 2005-11-17 | Pump apparatus, systems and methods |
| US11/164,301 | 2005-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2566781A1 true CA2566781A1 (en) | 2007-05-17 |
| CA2566781C CA2566781C (en) | 2012-05-22 |
Family
ID=38041002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2566781A Expired - Fee Related CA2566781C (en) | 2005-11-17 | 2006-10-31 | Pump apparatus, systems and methods |
Country Status (2)
| Country | Link |
|---|---|
| US (2) | US7775779B2 (en) |
| CA (1) | CA2566781C (en) |
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| EP0239556B1 (en) * | 1986-03-25 | 1990-10-31 | AB Sandvik Coromant | Coupling device between two elements |
| US5688067A (en) * | 1995-09-22 | 1997-11-18 | Camco International Inc. | Coupler assembly for axially connecting two shafts |
| US6530715B1 (en) * | 2000-11-08 | 2003-03-11 | Inventio Ag | Nonconductive extension for electric motor shaft |
| US6425735B1 (en) | 2000-11-15 | 2002-07-30 | Schlumberger Technolog Corporation | Clamp for a horizontal skid which allows axial movement of pump |
| US6883604B2 (en) * | 2001-06-05 | 2005-04-26 | Baker Hughes Incorporated | Shaft locking couplings for submersible pump assemblies |
| DE20312368U1 (en) * | 2003-08-08 | 2003-10-23 | Knorr Volker | Safety coupling, assembled of two segments, joined with shear pin with predetermined breaking point |
| US20060222537A1 (en) * | 2005-02-23 | 2006-10-05 | Kilty William T | Shaft coupling |
-
2005
- 2005-11-17 US US11/164,301 patent/US7775779B2/en not_active Expired - Fee Related
-
2006
- 2006-10-31 CA CA2566781A patent/CA2566781C/en not_active Expired - Fee Related
-
2010
- 2010-07-06 US US12/830,540 patent/US8485798B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20070110593A1 (en) | 2007-05-17 |
| US20100272504A1 (en) | 2010-10-28 |
| US7775779B2 (en) | 2010-08-17 |
| CA2566781C (en) | 2012-05-22 |
| US8485798B2 (en) | 2013-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20181031 |