Patents
Patents for F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436)
05/1997
05/21/1997EP0774630A1 Stirling refrigerator
05/21/1997EP0774582A1 Valved discharge mechanism of a fluid displacement apparatus
05/21/1997EP0774581A1 Pulse damper or acoustic outlet piece for a compressor and compressor equipped therewith
05/21/1997CN1150222A Cam plate supporting structure in cam plate type compressor
05/20/1997US5630582 Sheet Separating apparatus
05/20/1997US5630355 Die-casting aluminum alloy with copper and silicon; exfoliated recessions of primary silicon crystal on inner surface of cylinder bore function as oil reservoir spots
05/20/1997CA2089413C Compressor suction and discharge valve assembly
05/14/1997EP0590238B1 Use of pentaerythritol ester as a lubricant in a compressor
05/14/1997CN1149673A Connector for inhaling silencer for closed compressor
05/14/1997CN1149672A Eliminating device for exhausting gas noise of closed compressor
05/14/1997CN1149671A Closed compressor
05/09/1997WO1997016646A1 Rotary compressor
05/07/1997DE19643951A1 Linear gas compressor
05/07/1997CN1149107A Displacement controlling structure for clutchless variable displacement compressor
05/06/1997US5626464 Wobble plate pump
05/06/1997US5626463 Axial multi-piston compressor having rotary valve for allowing residual part of compressed fluid to escape
05/06/1997CA2106647C Valved discharge mechanism in a refrigerant compressor
05/02/1997EP0770779A2 Compressor
04/1997
04/30/1997DE19644431A1 Variable-output compressor for air conditioning system of motor vehicle
04/30/1997CN1148670A Valve system for seal-type reciprocating compressor
04/30/1997CN1148669A Silencer for gas-tight compressor with residual oil discharging-valve
04/29/1997US5624518 Method of making a housing liner
04/29/1997US5624236 Oil cooled air compressor
04/29/1997US5623957 Valve for controlling a gas or liquid flow
04/23/1997EP0769794A1 Electrical component protection device
04/23/1997CN1148425A Oil pump for a variable speed hermetic compressor
04/22/1997US5622486 Radially-valve compressor with adjustable clearance
04/17/1997DE19641996A1 Compressor with pressure release valve
04/17/1997DE19538339A1 Compact air compressor for motor vehicle
04/16/1997CN1147846A Mechanical oil pump for a variable speed hermetic compressor
04/16/1997CN1034603C Oil pump for a variable speed hermetic compressor
04/15/1997US5620310 Control valve for a variable displacement refrigerant compressor
04/10/1997WO1997007336A3 Valve plate for piston compressor, especially for air compression in motor vehicles
04/09/1997CN1147061A Reciprocating piston type compressor with oil separator
04/08/1997CA2149707C Compressor suction valve
04/03/1997WO1997013068A1 Method and device for producing an intake valve of plate-like construction
04/03/1997DE19541902C1 Air pump housing for internal combustion engine
04/03/1997DE19536860A1 Inhalation apparatus compressor with integrated connector
04/03/1997CA2234157A1 Method and apparatus for a suction valve of the plate-type of construction
04/02/1997CN1146533A Noise-reducing device for linear compressor
04/01/1997US5616018 Oil supplying apparatus for a horizontal type rotary compressor
04/01/1997US5615599 Guiding mechanism for reciprocating piston of piston-type compressor
04/01/1997CA2074201C Sealing mechanism for a compressor housing
03/1997
03/27/1997WO1997011274A1 Air drying device for a pneumatic system
03/26/1997EP0764821A2 Compressor oil level control
03/25/1997US5613842 Hermetically sealed motor compressor unit with a spring biased muffler
03/25/1997US5613837 Air compressor inlet and outlet valve arrangement
03/19/1997EP0763658A1 Multi-refrigerant compressor
03/19/1997CN2249831Y Vibration absorbing and noise eliminating device for cooling pipe of air pump
03/19/1997CN1034292C An annular valve for a piston compressor
03/13/1997WO1997009768A1 Low noise refrigerant compressor
03/13/1997WO1997009574A1 Method and apparatus of an hydraulic heat pump
03/12/1997EP0761975A1 Gas compressor
03/12/1997EP0760904A1 Light weight shell acoustic enclosure
03/12/1997CN2249312Y High-temp. wear-resistant sealing valve sheet
03/11/1997US5609476 Reciprocating compressor with flow passage closed by valve pre-biased to an open position
03/11/1997CA2033434C Noise reducing compressor gasket and head assembly
03/06/1997WO1997008502A1 Method for removal of acid from compressor oil
03/06/1997DE19631415A1 Ventilplatte für Kolbenverdichter, insbesondere für die Drucklufterzeugung in Kraftfahrzeugen Valve plate for piston compressor, in particular for the production of compressed air in motor vehicles
03/05/1997EP0600131B1 Refrigeration device using hydrofluorocarbon refrigerant
03/05/1997CN1144553A Refrigerant compressor arrangement
03/05/1997CN1144318A Sealed electric compressor
03/04/1997US5607291 Closed compressor
03/04/1997US5607287 Reciprocating piston type compressor with an improved discharge valve mechanism
03/04/1997US5607286 Structure of pressure passages between chambers of a reciprocating type compressor
03/04/1997US5606872 Compression type refrigerator
03/04/1997CA2036212C Wobble plate type refrigerant compressor having a ball-and-socket joint lubricating mechanism
02/1997
02/27/1997WO1997007336A2 Valve plate for piston compressor, especially for air compression in motor vehicles
02/27/1997WO1997007335A1 Piston-type compressor, especially for generating compressed air in motor vehicles
02/27/1997WO1997007334A1 Axial flow valve system for linear compressor
02/26/1997EP0759505A2 Variable displacement compressor
02/26/1997CN1034136C Slant plate type compressor with variable displacement mechanism
02/20/1997DE19525820C1 Valve for compressor, vacuum pump or check valve
02/19/1997CN1143164A Rotary inclined disc compressor
02/18/1997US5603612 Electromagnetic reciprocating compressor
02/18/1997US5603611 Piston type compressor with simple but vibration-reducing suction reed valve mechanism
02/18/1997US5603222 Cooling method and system for a compressor of a refrigerating system
02/18/1997CA2107053C Method of making foam in an energy efficient compressor
02/13/1997DE19529684A1 Kolbenverdichter, insbesondere für die Drucklufterzeugung in Kraftfahrzeugen Piston compressor, in particular for generating compressed air in motor vehicles
02/12/1997EP0758055A1 Apparatus and method for electronically controlling inlet flow and preventing backflow in a compressor
02/12/1997CN1142575A Muffler device of compressor
02/12/1997CN1142574A Apparatus for assembling suction noise suppressor for hermetic compressor
02/12/1997CN1142573A 往复式压缩机 Reciprocating Compressors
02/11/1997US5603075 Ceramic borides, carbides, nitrides, oxides, silicides, binder alloy, corrosion resistance additives; machining
02/11/1997US5600953 Compressed air control apparatus
02/05/1997EP0674750B1 A two-piece connecting rod for a reciprocating hermetic compressor
02/05/1997EP0582712B1 Hermetic compressor
02/05/1997CN1142015A 压缩机 Compressor
02/05/1997CN1142014A 压缩机 Compressor
01/1997
01/29/1997EP0755486A1 Pump
01/29/1997CN2246200Y Convective radiating unit of oil sealing vacuum pump
01/28/1997US5597294 Electromagnetic linear compressor with rotational bearing between springs
01/28/1997US5596879 Method for determining optimum placement of refrigerant line muffler
01/23/1997WO1997002729A1 Compressor with control electronics
01/22/1997EP0754364A1 Fluid bearing with compliant linkage for centering reciprocating bodies
01/22/1997EP0754273A1 Mechanical oil pump for a variable speed hermetic compressor
01/22/1997EP0754272A1 Oil pump for a variable speed hermetic compressor
01/22/1997CN1140794A Mufflers with integral check valve
01/22/1997CN1033873C An oil pump for a closed type compressor
01/16/1997DE19522210C1 Kolbenverdichter Reciprocating compressor