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)
01/1993
01/27/1993EP0524435A2 Compressor supercharger with evaporative cooler
01/26/1993US5181840 Engine compressor with a perfected ventilating device
01/26/1993US5181834 Swash plate type compressor
01/26/1993US5181832 Fan motor and air hose storage housing for portable spray paint guns
01/26/1993CA1313169C Integral internal pressure relief valve
01/21/1993WO1993001412A1 A hermetic motor-driven compressor unit for refrigerating circuits
01/20/1993EP0523839A2 Refrigerant compressor using refrigerant HFC134a or HFC152a
01/20/1993EP0523665A1 Sealing mechanism employed in compressor housing
01/20/1993CN1068174A Low-noise, enclosed and reciprocatable refrigerating compressor
01/19/1993US5180293 Thermoelectrically cooled pumping system
01/19/1993US5180292 Radial compressor with discharge chamber dams
01/19/1993US5180291 Pulsating oil injector for radial refrigerant compressor
01/16/1993CA2047040A1 Ion beam milling
01/13/1993EP0522745A1 A ring valve assembly for a reciprocating fluid pump
01/12/1993US5178183 Compressor discharge valve
01/07/1993EP0521730A2 Multicylinder compressor
01/07/1993EP0521526A1 Hermetic motor-driven compressor
01/07/1993EP0521298A2 Heat exchange apparatus for dryer by refrigeration in compressed air plants and tubes/plates heat exchanger for this use
01/05/1993US5176506 Vented compressor lubrication system
01/04/1993CA2073088A1 Multicylinder compressor
12/1992
12/29/1992US5174735 For compressing refrigerant
12/29/1992US5174728 Variable capacity swash plate type compressor
12/29/1992US5174127 In a hermetic compressor
12/24/1992DE4118787A1 Prozessintegriertes betriebsfluessigkeitsreinigungssystem fuer verdichter Integrated process betriebsfluessigkeitsreinigungssystem for compressors
12/23/1992CN1067261A Lubricant for refrigeration compressors
12/22/1992US5173040 Air compressor
12/22/1992US5173034 Discharge muffler for refrigeration compressor
12/22/1992CA2071664A1 Compressor supercharger with evaporative cooler
12/22/1992CA1311728C Scroll compressor with normally warped open exhaust valve
12/16/1992CN2125025U Inflater with high pressure leather hose
12/16/1992CN1067097A Suction muffler assembly for hermetic compressors
12/15/1992US5171137 Valve for a hermetic refrigeration compressor
12/15/1992US5171135 Flexible suction valve retainer
12/15/1992US5171130 Oil-cooled compressor and method of operating same
12/15/1992US5170640 Oil separator
12/15/1992US5170555 Method of assembling a refrigeration compressor
12/15/1992CA2044697A1 Molten metal pump with filter
12/15/1992CA1311457C Cylinder specific piston clearance minimizing system for multicylinder compressors
12/10/1992WO1992021432A1 Process for continuously cleaning the auxiliary or working liquid of a compressor
12/10/1992DE4118949A1 Pump or compressor of radial or axial piston type - inclusion of noise damper having expansion chamber with tangential and constricted pressure inlet
12/08/1992US5169162 Piston ring having a function which is for facilitating supply of lubricating oil into an annular groove of a piston
12/08/1992US5168960 Compressor crankshaft bearing cap and assembly
11/1992
11/26/1992WO1992020919A1 Reciprocatory piston type compressor with valve assemblies having enhanced pressure response characteristics
11/24/1992US5165882 Sealing mechanism for sealing an aperture on a closed vessel
11/24/1992US5165876 Tire pump
11/24/1992US5165870 Refrigerant compressor
11/24/1992US5165449 Discharge valve for a compressor
11/24/1992CA1310553C Sealing arrangement
11/19/1992EP0513475A2 Sealed type compressor
11/17/1992US5164552 Compressor suction noise attenuator and assembly method
11/17/1992US5163823 Reciprocating compressor having a cylinder provided with a gas passage
11/17/1992US5163819 In a refrigerant compressor
11/12/1992WO1992019924A1 Method and device providing isothermal compression of a compressible fluid
11/10/1992US5161565 Cover and retainer for a compressor valve
11/05/1992DE4113980A1 Hand air pump for pneumatic controls - has piston head diaphragms raised by stops in the end positions
11/04/1992CN2120896U Synchronous valve structure for reciprocating pump
11/03/1992US5160247 Thrust bearing for refrigeration compressor
11/03/1992US5159820 Oil separator integrally mounted on compressor
10/1992
10/29/1992WO1992018781A1 A connecting rod for small reciprocating machines, particularly for compressors for refrigerators
10/28/1992CN1018853B 致冷压缩机 Refrigeration compressor
10/27/1992US5158585 Compressor unit and separator therefor
10/27/1992US5158514 Silent hermetic motor-compressor set
10/21/1992CN2119517U Energy-saving and long service life compressor
10/17/1992CA2063465A1 Low reexpansion valve system
10/14/1992EP0508104A1 In-line filter device for compressed air having mist filter and air collector
10/13/1992US5154585 System for lubrication of a brake air compressor associated with a turbocharged internal combustion engine
10/07/1992EP0507091A1 Hermetic motor-compressor unit with an improved motor support frame or bracket
10/07/1992CN1065127A Sealed type compressor
10/07/1992CN1018568B Piston ring having function which is for facilitating supply of lubricating oil into annular groove of piston
10/06/1992US5152677 Dry-running reciprocating compressor
10/01/1992WO1992016749A1 Reciprocating vacuum pumps
09/1992
09/30/1992EP0506609A1 Piston compressor, especially oilfree piston compressor
09/30/1992EP0505805A2 Integral suction system
09/29/1992US5151018 Sound attenuation chamber
09/29/1992US5151015 Compression device, particularly for the pressure filling of a container
09/24/1992DE4109186A1 Compressed air supply unit for vehicle braking system - uses oil trap containing mixture of bark and cotton
09/23/1992CN2116784U Valve device for closed reciprocating compressor
09/22/1992US5149254 Refrigeration compressor having a contoured piston
09/22/1992US5148684 Injection valve for a refrigeration system
09/16/1992EP0503139A2 Compressor for a silo
09/16/1992EP0287564B1 A valve component for a frictionless guided valve
09/16/1992CN1018241B Method for manufacturing piston rings
09/15/1992US5147190 Increased efficiency valve system for a fluid pumping assembly
09/09/1992EP0502808A2 Oil separator
09/09/1992EP0502487A1 Motor-compressor unit with its cylinder head formed in parts of different materials
09/08/1992US5145497 In-line filter device for compressed air having mist filter and air collector
09/08/1992US5145340 Packing for piston and valve machine
09/08/1992US5145335 Low-noise vacuum pump
09/08/1992US5145330 Compressor housing having a structure for preventing the slippage of vibroisolating members
09/08/1992US5144815 Thermal valve for compressor
08/1992
08/25/1992US5140748 Method of manufacturing plate suction valve
08/20/1992WO1992014059A1 Dry-running vacuum pump
08/19/1992EP0498980A1 Valve assembly, for use with a straight-cylinder having a gas-compression chamber
08/18/1992US5139392 Multi-cylinder swash plate compressor discharge gas flow arrangement
08/13/1992DE4104211A1 Swashplate axial piston compressor - uses connecting piece comprising cable between ball and socket points
08/12/1992EP0498061A1 Enclosed motor-driven compressor
08/12/1992EP0497995A1 Dry running vacuum pump
08/12/1992CN1017822B Sealed air-compressor with spacer layer
08/11/1992US5137434 Universal motor oilless air compressor
08/11/1992US5137432 Noise-preventative aquarium pump