Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 62/192
Name: Refrigeration > Automatic control > Refrigeration producer > Lubrication
Description: Apparatus controlling, or responsive to, a condition of a lubricating means or the lubricant.










Sub-classes under this class:

Class Number Class Name Patents
62/194 Lubricant aspirator in evaporator liquid level control chamber 5
62/193 Of or by compressor 121


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8434323 Motor cooling applications May. 7, 2013
8402778 Method for enhancing mineral oil miscibility and oil return Mar. 26, 2013
8402780 Oil return for a direct exchange geothermal heat pump Mar. 26, 2013
8361407 Overhung axial flow compressor, reactor and method Jan. 29, 2013
8122735 Refrigerating apparatus Feb. 28, 2012
8109116 Dual compressor air conditioning system with oil level regulation Feb. 7, 2012
7918096 Refrigeration system Apr. 5, 2011
7677051 Compressor lubrication Mar. 16, 2010
7658081 Structure for sensing refrigerant flow rate in a compressor Feb. 9, 2010
7624583 Freezer device Dec. 1, 2009
7584624 Apparatus for preventing liquid refrigerant accumulation of air conditioner and method thereof Sep. 8, 2009
7578139 Refrigeration system including refrigeration cycle and rankine cycle Aug. 25, 2009
7533536 Method and apparatus for measuring and improving efficiency in refrigeration systems May. 19, 2009
7467521 Method for controlling multi-type air conditioner Dec. 23, 2008
7225626 Thermal management of a gas turbine bearing compartment utilizing separate lubrication and cooling circuits Jun. 5, 2007
7222491 Air conditioner and method for performing oil equalizing operation in the air conditioner May. 29, 2007
7174725 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit Feb. 13, 2007
7137265 Apparatus and method for controlling oil of air conditioner Nov. 21, 2006
7086240 Method and apparatus for measuring and improving efficiency in refrigeration systems Aug. 8, 2006
7059143 Method and apparatus for measuring and improving efficiency in refrigeration systems Jun. 13, 2006
6997001 Method of operating a refrigeration cycle Feb. 14, 2006
6986259 Refrigerator Jan. 17, 2006
6983793 Dual evaporator air conditioning system and method of use Jan. 10, 2006
6779355 Refrigeration device Aug. 24, 2004
6739147 Alternate flow of discharge gas to a vaporizer for a screw compressor May. 25, 2004
6668564 Refrigeration cycle Dec. 30, 2003
6530236 Method and apparatus for controlling the removal of heat from the condenser in a refrigeration system Mar. 11, 2003
6505475 Method and apparatus for measuring and improving efficiency in refrigeration systems Jan. 14, 2003
6474405 Refrigeration utilized to cool driveline lubricants Nov. 5, 2002
6374629 Lubricant refrigerant composition for hydrofluorocarbon (HFC) refrigerants Apr. 23, 2002
6155066 Injector, methods for using injector, and kit Dec. 5, 2000
6145325 Method for operating a motor vehicle air conditioner with a compressor with lubricant circulation Nov. 14, 2000
6138462 Refrigerant recovery and recharging system with automatic oil drain Oct. 31, 2000
6122924 Hot gas compressor bypass using oil separator circuit Sep. 26, 2000
6116046 Refrigeration chiller with assured start-up lubricant supply Sep. 12, 2000
5996363 Oil level equalizing system for plural compressors Dec. 7, 1999
5970722 Air conditioning apparatus returning refrigerating machine oil to compressor by two restrictors and method of controlling air conditioning apparatus Oct. 26, 1999
5966947 Method of returning refrigerator oil of air conditioner Oct. 19, 1999
5953934 Refrigerant circulating apparatus and method of assembling a refrigerant circuit Sep. 21, 1999
5890374 Oil separator for evaporator Apr. 6, 1999
5887444 Accumlator Mar. 30, 1999
5875640 Multi-story air conditioning system with oil return means Mar. 2, 1999
5685331 Oil level regulator Nov. 11, 1997
5613368 Refrigeration apparatus and methods Mar. 25, 1997
5590539 Refrigeration apparatus and methods Jan. 7, 1997
5586450 Plural compressor oil level control Dec. 24, 1996
5560215 Gas processor Oct. 1, 1996
5471854 Accumulator for an air conditioning system Dec. 5, 1995
5433590 Cooling device for the lubrication circuit of a compressor Jul. 18, 1995
5408841 Automotive air conditioner Apr. 25, 1995

1 2










 
 
  Recently Added Patents
Method of manufacturing crystalline silicon solar cells with improved surface passivation
Display apparatus
Polarity switching member of dot inversion system
Starch networks as absorbent or superabsorbent materials and their preparation by extrusion
Data feed management
Integrated touch screen
Thermoforming sheet loading apparatus and method
  Randomly Featured Patents
Method and composition for optimizing left ventricular videointensity in echocardiography
Tunable dispersion compensator with minimum differential group delay
Color filter and color picture display device using the same
Method for manufacturing electrosurgical seal plates
Cold cathode type flat panel display
Organic electroluminescence device
High sound quality game call
Preparation of halogenated indigo
Nonvolatile memory having modified channel region interface
Semiconductor device with fully self-aligned local interconnects, and method for fabricating the device