| 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) |
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| 05/21/1997 | EP0774630A1 Stirling refrigerator |
| 05/21/1997 | EP0774582A1 Valved discharge mechanism of a fluid displacement apparatus |
| 05/21/1997 | EP0774581A1 Pulse damper or acoustic outlet piece for a compressor and compressor equipped therewith |
| 05/21/1997 | CN1150222A Cam plate supporting structure in cam plate type compressor |
| 05/20/1997 | US5630582 Sheet Separating apparatus |
| 05/20/1997 | US5630355 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 |
| 05/20/1997 | CA2089413C Compressor suction and discharge valve assembly |
| 05/14/1997 | EP0590238B1 Use of pentaerythritol ester as a lubricant in a compressor |
| 05/14/1997 | CN1149673A Connector for inhaling silencer for closed compressor |
| 05/14/1997 | CN1149672A Eliminating device for exhausting gas noise of closed compressor |
| 05/14/1997 | CN1149671A Closed compressor |
| 05/09/1997 | WO1997016646A1 Rotary compressor |
| 05/07/1997 | DE19643951A1 Linear gas compressor |
| 05/07/1997 | CN1149107A Displacement controlling structure for clutchless variable displacement compressor |
| 05/06/1997 | US5626464 Wobble plate pump |
| 05/06/1997 | US5626463 Axial multi-piston compressor having rotary valve for allowing residual part of compressed fluid to escape |
| 05/06/1997 | CA2106647C Valved discharge mechanism in a refrigerant compressor |
| 05/02/1997 | EP0770779A2 Compressor |
| 04/30/1997 | DE19644431A1 Variable-output compressor for air conditioning system of motor vehicle |
| 04/30/1997 | CN1148670A Valve system for seal-type reciprocating compressor |
| 04/30/1997 | CN1148669A Silencer for gas-tight compressor with residual oil discharging-valve |
| 04/29/1997 | US5624518 Method of making a housing liner |
| 04/29/1997 | US5624236 Oil cooled air compressor |
| 04/29/1997 | US5623957 Valve for controlling a gas or liquid flow |
| 04/23/1997 | EP0769794A1 Electrical component protection device |
| 04/23/1997 | CN1148425A Oil pump for a variable speed hermetic compressor |
| 04/22/1997 | US5622486 Radially-valve compressor with adjustable clearance |
| 04/17/1997 | DE19641996A1 Compressor with pressure release valve |
| 04/17/1997 | DE19538339A1 Compact air compressor for motor vehicle |
| 04/16/1997 | CN1147846A Mechanical oil pump for a variable speed hermetic compressor |
| 04/16/1997 | CN1034603C Oil pump for a variable speed hermetic compressor |
| 04/15/1997 | US5620310 Control valve for a variable displacement refrigerant compressor |
| 04/10/1997 | WO1997007336A3 Valve plate for piston compressor, especially for air compression in motor vehicles |
| 04/09/1997 | CN1147061A Reciprocating piston type compressor with oil separator |
| 04/08/1997 | CA2149707C Compressor suction valve |
| 04/03/1997 | WO1997013068A1 Method and device for producing an intake valve of plate-like construction |
| 04/03/1997 | DE19541902C1 Air pump housing for internal combustion engine |
| 04/03/1997 | DE19536860A1 Inhalation apparatus compressor with integrated connector |
| 04/03/1997 | CA2234157A1 Method and apparatus for a suction valve of the plate-type of construction |
| 04/02/1997 | CN1146533A Noise-reducing device for linear compressor |
| 04/01/1997 | US5616018 Oil supplying apparatus for a horizontal type rotary compressor |
| 04/01/1997 | US5615599 Guiding mechanism for reciprocating piston of piston-type compressor |
| 04/01/1997 | CA2074201C Sealing mechanism for a compressor housing |
| 03/27/1997 | WO1997011274A1 Air drying device for a pneumatic system |
| 03/26/1997 | EP0764821A2 Compressor oil level control |
| 03/25/1997 | US5613842 Hermetically sealed motor compressor unit with a spring biased muffler |
| 03/25/1997 | US5613837 Air compressor inlet and outlet valve arrangement |
| 03/19/1997 | EP0763658A1 Multi-refrigerant compressor |
| 03/19/1997 | CN2249831Y Vibration absorbing and noise eliminating device for cooling pipe of air pump |
| 03/19/1997 | CN1034292C An annular valve for a piston compressor |
| 03/13/1997 | WO1997009768A1 Low noise refrigerant compressor |
| 03/13/1997 | WO1997009574A1 Method and apparatus of an hydraulic heat pump |
| 03/12/1997 | EP0761975A1 Gas compressor |
| 03/12/1997 | EP0760904A1 Light weight shell acoustic enclosure |
| 03/12/1997 | CN2249312Y High-temp. wear-resistant sealing valve sheet |
| 03/11/1997 | US5609476 Reciprocating compressor with flow passage closed by valve pre-biased to an open position |
| 03/11/1997 | CA2033434C Noise reducing compressor gasket and head assembly |
| 03/06/1997 | WO1997008502A1 Method for removal of acid from compressor oil |
| 03/06/1997 | DE19631415A1 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 |
| 03/05/1997 | EP0600131B1 Refrigeration device using hydrofluorocarbon refrigerant |
| 03/05/1997 | CN1144553A Refrigerant compressor arrangement |
| 03/05/1997 | CN1144318A Sealed electric compressor |
| 03/04/1997 | US5607291 Closed compressor |
| 03/04/1997 | US5607287 Reciprocating piston type compressor with an improved discharge valve mechanism |
| 03/04/1997 | US5607286 Structure of pressure passages between chambers of a reciprocating type compressor |
| 03/04/1997 | US5606872 Compression type refrigerator |
| 03/04/1997 | CA2036212C Wobble plate type refrigerant compressor having a ball-and-socket joint lubricating mechanism |
| 02/27/1997 | WO1997007336A2 Valve plate for piston compressor, especially for air compression in motor vehicles |
| 02/27/1997 | WO1997007335A1 Piston-type compressor, especially for generating compressed air in motor vehicles |
| 02/27/1997 | WO1997007334A1 Axial flow valve system for linear compressor |
| 02/26/1997 | EP0759505A2 Variable displacement compressor |
| 02/26/1997 | CN1034136C Slant plate type compressor with variable displacement mechanism |
| 02/20/1997 | DE19525820C1 Valve for compressor, vacuum pump or check valve |
| 02/19/1997 | CN1143164A Rotary inclined disc compressor |
| 02/18/1997 | US5603612 Electromagnetic reciprocating compressor |
| 02/18/1997 | US5603611 Piston type compressor with simple but vibration-reducing suction reed valve mechanism |
| 02/18/1997 | US5603222 Cooling method and system for a compressor of a refrigerating system |
| 02/18/1997 | CA2107053C Method of making foam in an energy efficient compressor |
| 02/13/1997 | DE19529684A1 Kolbenverdichter, insbesondere für die Drucklufterzeugung in Kraftfahrzeugen Piston compressor, in particular for generating compressed air in motor vehicles |
| 02/12/1997 | EP0758055A1 Apparatus and method for electronically controlling inlet flow and preventing backflow in a compressor |
| 02/12/1997 | CN1142575A Muffler device of compressor |
| 02/12/1997 | CN1142574A Apparatus for assembling suction noise suppressor for hermetic compressor |
| 02/12/1997 | CN1142573A 往复式压缩机 Reciprocating Compressors |
| 02/11/1997 | US5603075 Ceramic borides, carbides, nitrides, oxides, silicides, binder alloy, corrosion resistance additives; machining |
| 02/11/1997 | US5600953 Compressed air control apparatus |
| 02/05/1997 | EP0674750B1 A two-piece connecting rod for a reciprocating hermetic compressor |
| 02/05/1997 | EP0582712B1 Hermetic compressor |
| 02/05/1997 | CN1142015A 压缩机 Compressor |
| 02/05/1997 | CN1142014A 压缩机 Compressor |
| 01/29/1997 | EP0755486A1 Pump |
| 01/29/1997 | CN2246200Y Convective radiating unit of oil sealing vacuum pump |
| 01/28/1997 | US5597294 Electromagnetic linear compressor with rotational bearing between springs |
| 01/28/1997 | US5596879 Method for determining optimum placement of refrigerant line muffler |
| 01/23/1997 | WO1997002729A1 Compressor with control electronics |
| 01/22/1997 | EP0754364A1 Fluid bearing with compliant linkage for centering reciprocating bodies |
| 01/22/1997 | EP0754273A1 Mechanical oil pump for a variable speed hermetic compressor |
| 01/22/1997 | EP0754272A1 Oil pump for a variable speed hermetic compressor |
| 01/22/1997 | CN1140794A Mufflers with integral check valve |
| 01/22/1997 | CN1033873C An oil pump for a closed type compressor |
| 01/16/1997 | DE19522210C1 Kolbenverdichter Reciprocating compressor |