EP0747598A3 - Capacity modulated scroll machine - Google Patents
Capacity modulated scroll machine Download PDFInfo
- Publication number
- EP0747598A3 EP0747598A3 EP96304219A EP96304219A EP0747598A3 EP 0747598 A3 EP0747598 A3 EP 0747598A3 EP 96304219 A EP96304219 A EP 96304219A EP 96304219 A EP96304219 A EP 96304219A EP 0747598 A3 EP0747598 A3 EP 0747598A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- scroll
- power source
- spiral
- end plate
- members
- 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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/18—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber
- F04C28/22—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/005—Axial sealings for working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/06—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
- F04C28/26—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
- F04C28/265—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels being obtained by displacing a lateral sealing face
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Rotary Pumps (AREA)
Abstract
a first scroll member having an end plate and a first spiral wrap upstanding therefrom;
a second scroll member having an end plate and a second spiral wrap upstanding therefrom, said first and second scroll members being positioned with said first and second spiral wraps interleaved with each other;
a fixed support structure for supporting said first and second scroll members for relative orbital movement therebetween whereby said first and second spiral wraps define sealed moving fluid pockets which progressively decrease in size as they move from a radially outer position to a radially inner position;
a power source coupled to said first scroll member and operative to effect said relative orbital movement between said first and second scroll members; and
a device selectively actuable to effect relative radial movement between said first and second scrolls to thereby form a leakage path between said moving fluid pockets while said power source continues to operate whereby the capacity of said compressor is reduced, said device being independent of said coupling of said power source to said first scroll.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/479,025 US5611674A (en) | 1995-06-07 | 1995-06-07 | Capacity modulated scroll machine |
US08/479,026 US5613841A (en) | 1995-06-07 | 1995-06-07 | Capacity modulated scroll machine |
US479026 | 1995-06-07 | ||
US479025 | 1995-06-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0747598A2 EP0747598A2 (en) | 1996-12-11 |
EP0747598A3 true EP0747598A3 (en) | 1999-01-20 |
EP0747598B1 EP0747598B1 (en) | 2005-09-14 |
Family
ID=27046094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19960304219 Expired - Lifetime EP0747598B1 (en) | 1995-06-07 | 1996-06-06 | Capacity modulated scroll machine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0747598B1 (en) |
DE (1) | DE69635176T2 (en) |
ES (1) | ES2247600T3 (en) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6047557A (en) | 1995-06-07 | 2000-04-11 | Copeland Corporation | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
US5938419A (en) * | 1997-01-17 | 1999-08-17 | Anest Iwata Corporation | Scroll fluid apparatus having an intermediate seal member with a compressed fluid passage therein |
EP0854289A1 (en) * | 1997-01-21 | 1998-07-22 | Anest Iwata Corporation | Scroll fluid apparatus |
US6206652B1 (en) | 1998-08-25 | 2001-03-27 | Copeland Corporation | Compressor capacity modulation |
US6047556A (en) * | 1997-12-08 | 2000-04-11 | Carrier Corporation | Pulsed flow for capacity control |
US6139295A (en) * | 1998-06-22 | 2000-10-31 | Tecumseh Products Company | Bearing lubrication system for a scroll compressor |
US6505475B1 (en) | 1999-08-20 | 2003-01-14 | Hudson Technologies Inc. | Method and apparatus for measuring and improving efficiency in refrigeration systems |
US6601397B2 (en) * | 2001-03-16 | 2003-08-05 | Copeland Corporation | Digital scroll condensing unit controller |
US6892546B2 (en) | 2001-05-03 | 2005-05-17 | Emerson Retail Services, Inc. | System for remote refrigeration monitoring and diagnostics |
US6668240B2 (en) | 2001-05-03 | 2003-12-23 | Emerson Retail Services Inc. | Food quality and safety model for refrigerated food |
US6889173B2 (en) | 2002-10-31 | 2005-05-03 | Emerson Retail Services Inc. | System for monitoring optimal equipment operating parameters |
US7412842B2 (en) | 2004-04-27 | 2008-08-19 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system |
US7275377B2 (en) | 2004-08-11 | 2007-10-02 | Lawrence Kates | Method and apparatus for monitoring refrigerant-cycle systems |
EP1851959B1 (en) | 2005-02-21 | 2012-04-11 | Computer Process Controls, Inc. | Enterprise control and monitoring system |
US7338265B2 (en) | 2005-03-04 | 2008-03-04 | Emerson Climate Technologies, Inc. | Scroll machine with single plate floating seal |
US7752853B2 (en) | 2005-10-21 | 2010-07-13 | Emerson Retail Services, Inc. | Monitoring refrigerant in a refrigeration system |
US7665315B2 (en) | 2005-10-21 | 2010-02-23 | Emerson Retail Services, Inc. | Proofing a refrigeration system operating state |
US7752854B2 (en) | 2005-10-21 | 2010-07-13 | Emerson Retail Services, Inc. | Monitoring a condenser in a refrigeration system |
US8590325B2 (en) | 2006-07-19 | 2013-11-26 | Emerson Climate Technologies, Inc. | Protection and diagnostic module for a refrigeration system |
US20080216494A1 (en) | 2006-09-07 | 2008-09-11 | Pham Hung M | Compressor data module |
US8157538B2 (en) | 2007-07-23 | 2012-04-17 | Emerson Climate Technologies, Inc. | Capacity modulation system for compressor and method |
US20090037142A1 (en) | 2007-07-30 | 2009-02-05 | Lawrence Kates | Portable method and apparatus for monitoring refrigerant-cycle systems |
US9140728B2 (en) | 2007-11-02 | 2015-09-22 | Emerson Climate Technologies, Inc. | Compressor sensor module |
US8308455B2 (en) | 2009-01-27 | 2012-11-13 | Emerson Climate Technologies, Inc. | Unloader system and method for a compressor |
US7988433B2 (en) | 2009-04-07 | 2011-08-02 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
CN102449606B (en) | 2009-05-29 | 2015-01-21 | 爱默生零售服务公司 | System and method for monitoring and evaluating equipment operating parameter modifications |
US8568118B2 (en) * | 2009-05-29 | 2013-10-29 | Emerson Climate Technologies, Inc. | Compressor having piston assembly |
EP2633196B1 (en) | 2010-10-28 | 2022-06-15 | Emerson Climate Technologies, Inc. | Compressor seal assembly |
CA2934860C (en) | 2011-02-28 | 2018-07-31 | Emerson Electric Co. | Residential solutions hvac monitoring and diagnosis |
US8964338B2 (en) | 2012-01-11 | 2015-02-24 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
US9310439B2 (en) | 2012-09-25 | 2016-04-12 | Emerson Climate Technologies, Inc. | Compressor having a control and diagnostic module |
JP5880398B2 (en) * | 2012-11-13 | 2016-03-09 | 株式会社豊田自動織機 | Scroll compressor |
US9249802B2 (en) | 2012-11-15 | 2016-02-02 | Emerson Climate Technologies, Inc. | Compressor |
US9551504B2 (en) | 2013-03-15 | 2017-01-24 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
CA2904734C (en) | 2013-03-15 | 2018-01-02 | Emerson Electric Co. | Hvac system remote monitoring and diagnosis |
US9803902B2 (en) | 2013-03-15 | 2017-10-31 | Emerson Climate Technologies, Inc. | System for refrigerant charge verification using two condenser coil temperatures |
CA2908362C (en) | 2013-04-05 | 2018-01-16 | Fadi M. Alsaleem | Heat-pump system with refrigerant charge diagnostics |
KR102166766B1 (en) | 2015-08-11 | 2020-10-16 | 삼성전자주식회사 | Compressor |
US10890186B2 (en) | 2016-09-08 | 2021-01-12 | Emerson Climate Technologies, Inc. | Compressor |
US10801495B2 (en) | 2016-09-08 | 2020-10-13 | Emerson Climate Technologies, Inc. | Oil flow through the bearings of a scroll compressor |
US10240840B2 (en) * | 2016-12-22 | 2019-03-26 | Emerson Climate Technologies, Inc. | Scroll unloading detection system |
US10753352B2 (en) | 2017-02-07 | 2020-08-25 | Emerson Climate Technologies, Inc. | Compressor discharge valve assembly |
US11415135B2 (en) | 2017-06-16 | 2022-08-16 | Trane International Inc. | Aerostatic thrust bearing and method of aerostatically supporting a thrust load in a scroll compressor |
US10865792B2 (en) | 2017-06-16 | 2020-12-15 | Trane International Inc. | Aerostatic thrust bearing and method of aerostatically supporting a thrust load in a scroll compressor |
US10718333B2 (en) | 2017-06-16 | 2020-07-21 | Trane International Inc. | Aerostatic thrust bearing method and method of aerostatically supporting a thrust load in a scroll compressor |
US10975868B2 (en) | 2017-07-07 | 2021-04-13 | Emerson Climate Technologies, Inc. | Compressor with floating seal |
US11022119B2 (en) | 2017-10-03 | 2021-06-01 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
US10962008B2 (en) | 2017-12-15 | 2021-03-30 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
US10995753B2 (en) | 2018-05-17 | 2021-05-04 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
US11656003B2 (en) | 2019-03-11 | 2023-05-23 | Emerson Climate Technologies, Inc. | Climate-control system having valve assembly |
US11692548B2 (en) | 2020-05-01 | 2023-07-04 | Emerson Climate Technologies, Inc. | Compressor having floating seal assembly |
US11578725B2 (en) | 2020-05-13 | 2023-02-14 | Emerson Climate Technologies, Inc. | Compressor having muffler plate |
US11655818B2 (en) | 2020-05-26 | 2023-05-23 | Emerson Climate Technologies, Inc. | Compressor with compliant seal |
US11767846B2 (en) | 2021-01-21 | 2023-09-26 | Copeland Lp | Compressor having seal assembly |
US11655813B2 (en) | 2021-07-29 | 2023-05-23 | Emerson Climate Technologies, Inc. | Compressor modulation system with multi-way valve |
US11846287B1 (en) | 2022-08-11 | 2023-12-19 | Copeland Lp | Scroll compressor with center hub |
US11965507B1 (en) | 2022-12-15 | 2024-04-23 | Copeland Lp | Compressor and valve assembly |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3422398A1 (en) * | 1984-06-15 | 1985-12-19 | Knorr-Bremse GmbH, 8000 München | Method and apparatus for operating a screw compressor installation |
WO1986001262A1 (en) * | 1984-08-16 | 1986-02-27 | Sundstrand Corporation | Unloading of scroll compressors |
JPS6146485A (en) * | 1984-08-11 | 1986-03-06 | Toyoda Autom Loom Works Ltd | Rising shock absorbing mechanism in scroll compressor |
US4604036A (en) * | 1983-09-09 | 1986-08-05 | Hitachi, Ltd. | Torque control apparatus for enclosed compressors |
EP0557023A1 (en) * | 1992-02-18 | 1993-08-25 | Sanden Corporation | Scroll type compressor with variable displacement mechanism |
US5282728A (en) * | 1993-06-02 | 1994-02-01 | General Motors Corporation | Inertial balance system for a de-orbiting scroll in a scroll type fluid handling machine |
-
1996
- 1996-06-06 DE DE69635176T patent/DE69635176T2/en not_active Expired - Lifetime
- 1996-06-06 ES ES96304219T patent/ES2247600T3/en not_active Expired - Lifetime
- 1996-06-06 EP EP19960304219 patent/EP0747598B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4604036A (en) * | 1983-09-09 | 1986-08-05 | Hitachi, Ltd. | Torque control apparatus for enclosed compressors |
DE3422398A1 (en) * | 1984-06-15 | 1985-12-19 | Knorr-Bremse GmbH, 8000 München | Method and apparatus for operating a screw compressor installation |
JPS6146485A (en) * | 1984-08-11 | 1986-03-06 | Toyoda Autom Loom Works Ltd | Rising shock absorbing mechanism in scroll compressor |
WO1986001262A1 (en) * | 1984-08-16 | 1986-02-27 | Sundstrand Corporation | Unloading of scroll compressors |
EP0557023A1 (en) * | 1992-02-18 | 1993-08-25 | Sanden Corporation | Scroll type compressor with variable displacement mechanism |
US5282728A (en) * | 1993-06-02 | 1994-02-01 | General Motors Corporation | Inertial balance system for a de-orbiting scroll in a scroll type fluid handling machine |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 10, no. 204 (M - 499) 17 July 1986 (1986-07-17) * |
Also Published As
Publication number | Publication date |
---|---|
ES2247600T3 (en) | 2006-03-01 |
DE69635176T2 (en) | 2006-07-20 |
EP0747598A2 (en) | 1996-12-11 |
EP0747598B1 (en) | 2005-09-14 |
DE69635176D1 (en) | 2005-10-20 |
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