Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
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:
1 2 3

Patent Number Title Of Patent Date Issued
8549867 Heat pump control system using passive defrost Oct. 8, 2013
8532832 Method and apparatus for thermal exchange with two-phase media Sep. 10, 2013
8468842 DX system having heat to cool valve Jun. 25, 2013
8276395 Pulse width modulation with reduced suction pressure to improve efficiency Oct. 2, 2012
8079228 Refrigerant system with multi-speed scroll compressor and economizer circuit Dec. 20, 2011
8069683 Refrigerant system unloading by-pass into evaporator inlet Dec. 6, 2011
8051669 Liquid evaporation cooling apparatus Nov. 8, 2011
7762091 Apparatus for controlling the capacity of an air conditioner and control method using the same Jul. 27, 2010
7721562 Refrigerant system with multi-speed scroll compressor and economizer circuit May. 25, 2010
7674098 Scroll compressor with vapor injection and unloader port Mar. 9, 2010
7665318 Compressor controlling apparatus and method Feb. 23, 2010
7658079 Cooling system and method Feb. 9, 2010
7654109 Refrigerating system with economizing cycle Feb. 2, 2010
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
6823686 Pressure equalization system and method Nov. 30, 2004
6823687 Vehicle air conditioner with variable displacement compressor 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

1 2 3










 
 
  Recently Added Patents
Hard disk drives having different rotational speeds
Power generating apparatus of renewable energy type and method of attaching and detaching blade
Screen
Method of operating an election ballot printing system
Agent for expelling parasites in humans, animals or birds
Bulk vending apparatus, system and method
Methods and devices for rapid and specific detection of multiple proteins
  Randomly Featured Patents
Water bottle
Polysulfone compositions exhibiting very low color and high light transmittance properties and articles made therefrom
Crosspoint-type ferroelectric memory
Ignition coil for an internal combustion engine
Gas turbine engine shroud seals
CA IX-specific inhibitors
Bow resistant plastic semiconductor package and method of fabrication
Method and apparatus for a document annotation service
Manufacturing method of semiconductor device
Agents for ameliorating low vasopressin level