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Class Information
Number: 62/196.3
Name: Refrigeration > Automatic control > Refrigeration producer > Bypass, e.g., compressor unloading > Direct bypass of compressor
Description: Apparatus in which the gas discharged from the compressor goes directly to the compressor suction, e.g., compressor unloading.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7581409 |
Cooling system and method |
Sep. 1, 2009 |
| 7574872 |
Capacity-variable air conditioner |
Aug. 18, 2009 |
| 7437880 |
Pump bypass control apparatus and apparatus and method for maintaining a predetermined flow-through rate of a fluid through a pump |
Oct. 21, 2008 |
| 7409833 |
Dual mode compressor with automatic compression ratio adjustment for adapting to multiple operating conditions |
Aug. 12, 2008 |
| 7302807 |
Refrigerating cycle device |
Dec. 4, 2007 |
| 7260951 |
Pressure equalization system |
Aug. 28, 2007 |
| 7257957 |
Utilization of bypass refrigerant to provide reheat and dehumidification function in refrigerant system |
Aug. 21, 2007 |
| 7246498 |
Refrigerating apparatus |
Jul. 24, 2007 |
| 7201008 |
Vapor compression system performance enhancement and discharge temperature reduction in the unloaded mode of operation |
Apr. 10, 2007 |
| 7185447 |
Drying device for drying a gas |
Mar. 6, 2007 |
| 7152416 |
Hot gas bypass through four-way reversing valve |
Dec. 26, 2006 |
| 6966194 |
Refrigerating machine |
Nov. 22, 2005 |
| 6925823 |
Refrigerant cycle with operating range extension |
Aug. 9, 2005 |
| 6886355 |
Air-conditioning system |
May. 3, 2005 |
| 6823687 |
Vehicle air conditioner with variable displacement compressor |
Nov. 30, 2004 |
| 6823686 |
Pressure equalization system and method |
Nov. 30, 2004 |
| 6691525 |
Hot gas bypass control for centrifugal chillers |
Feb. 17, 2004 |
| 6637230 |
Automotive air-conditioner having sub-compressor driven by electric motor |
Oct. 28, 2003 |
| 6601397 |
Digital scroll condensing unit controller |
Aug. 5, 2003 |
| 6584791 |
Pressure equalization system and method |
Jul. 1, 2003 |
| 6519958 |
Control system for starting of air conditioner and control method thereof |
Feb. 18, 2003 |
| 6453691 |
Air conditioner with a pressure regulation device and method for controlling the same |
Sep. 24, 2002 |
| 6427464 |
Hot gas bypass control for centrifugal chillers |
Aug. 6, 2002 |
| 6418740 |
External high pressure to low pressure valve for scroll compressor |
Jul. 16, 2002 |
| 6412293 |
Scroll machine with continuous capacity modulation |
Jul. 2, 2002 |
| 6393850 |
Device and method for performing a dehumidifying operation |
May. 28, 2002 |
| 6385981 |
Capacity control of refrigeration systems |
May. 14, 2002 |
| 6370889 |
Method for controlling refrigerant for an air conditioner |
Apr. 16, 2002 |
| 6336336 |
Rotary piston compressor and refrigerating equipment |
Jan. 8, 2002 |
| 6332329 |
Swash plate type variable displacement compressor |
Dec. 25, 2001 |
| 6321544 |
Refrigerating cycle |
Nov. 27, 2001 |
| 6305187 |
Air-conditioner, outdoor unit and refrigeration unit |
Oct. 23, 2001 |
| 6267565 |
Scroll temperature protection |
Jul. 31, 2001 |
| 6240736 |
Refrigerating apparatus |
Jun. 5, 2001 |
| 6237351 |
Heat pump type refrigerant cycle system |
May. 29, 2001 |
| 6202431 |
Adaptive hot gas bypass control for centrifugal chillers |
Mar. 20, 2001 |
| 6170277 |
Control algorithm for maintenance of discharge pressure |
Jan. 9, 2001 |
| 6138467 |
Steady state operation of a refrigeration system to achieve optimum capacity |
Oct. 31, 2000 |
| 6122924 |
Hot gas compressor bypass using oil separator circuit |
Sep. 26, 2000 |
| 6105378 |
Variable capacity vapor compression cooling system |
Aug. 22, 2000 |
| 6047557 |
Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
Apr. 11, 2000 |
| 6038873 |
Air conditioner capable of controlling an amount of bypassed refrigerant according to a temperature of circulating refrigerant |
Mar. 21, 2000 |
| 6023935 |
Air conditioner |
Feb. 15, 2000 |
| 5946925 |
Self-contained refrigeration system and a method of high temperature operation thereof |
Sep. 7, 1999 |
| 5862675 |
Electrically-driven cooling/heating system utilizing circulated liquid |
Jan. 26, 1999 |
| 5822999 |
Refrigeration system |
Oct. 20, 1998 |
| 5816055 |
Refrigeration system anad a method for regulating the refrigeration capacity of such a system |
Oct. 6, 1998 |
| 5775117 |
Variable capacity vapor compression cooling system |
Jul. 7, 1998 |
| 5768903 |
Refrigerating apparatus, air conditioner using the same and method for driving the air conditioner |
Jun. 23, 1998 |
| 5657637 |
Assembly for temperature control of a fountain fluid and/or selected rolls of a printing press |
Aug. 19, 1997 |
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