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)
11/1988
11/15/1988US4783968 Suspension system for a machine
11/08/1988US4782858 Valve cover for a compressor
11/08/1988US4782738 Compressor with adjustable head clearance
11/01/1988US4781542 Hermetically-sealed compressor with motor
11/01/1988US4781540 Piston type compressor for air conditioning unit having asymmetric valve mechanism
11/01/1988US4781538 Compressor with rotation detection device
10/1988
10/27/1988DE3712683A1 Internal combustion engine
10/20/1988DE3809837A1 Valve plate, especially a closure or damper plate
10/20/1988DE3805740A1 Pressure valve arrangement for hermetic refrigerant compressors
10/18/1988US4778360 Suction and/or discharge valve port configuration for refrigerant compressor
10/18/1988US4777834 Method for determining a composite material constituting the moving parts of a hermetically sealed refrigerating compressor and hermetically sealed refrigerating compressor comprising the parts determined by said method
10/12/1988EP0285612A1 Moisture remover in compressed air system.
10/11/1988US4776778 Refrigerant compressor with shaft bearing having improved wear resistance
10/11/1988US4776776 Small pump valve plate assembly
10/11/1988US4776183 For storing a mixture of a lubricating oil and a refrigerant
10/11/1988CA1242941A1 Machines
10/06/1988DE3710248A1 Air suction intake for flanging onto a compressor
10/05/1988EP0285099A1 Air pressure circuit
10/05/1988EP0284653A1 Discharge valve retainer for a compressor
10/05/1988CN87211128U Self-supercharged reciprocating pump reiforcement hydraulic compressing apparatus
09/1988
09/13/1988US4770058 Reciprocating piston compressor for small refrigerating machines and its assembly method
09/13/1988US4769992 Reciprocation apparatus with sealing mechanism
09/07/1988EP0280892A2 Vaccum pump with a device for counting the revolutions
09/06/1988US4768928 Axial piston swash plate compressor muffler arrangement
09/01/1988DE3802922A1 Hermetic refrigerant compressor in lifting-piston embodiment
08/1988
08/31/1988CN87215487U Air cushion valve with small leaf type valve leaf
08/30/1988US4767283 Swash plate type compressor
08/30/1988US4767123 Dual ring piston-ring system with spring ring bias means
08/25/1988WO1988006059A1 Coupling for pressure or vacuum fluid system
08/25/1988WO1988006058A1 Air/oil separator
08/24/1988EP0279284A2 Heatable diaphragm pump for gases
08/24/1988EP0279023A2 Compressor terminal block and overload protector assembly
08/24/1988CN88100784A Coupling for pressure or vacuum fluid system
08/17/1988EP0278772A1 Air/oil separator
08/17/1988EP0278771A1 Coupling for pressure or vacuum fluid system
08/17/1988CN85109036B Air-drying device for pneumatic equipment
08/16/1988US4764189 Check valves; exhaust air used as purge air
08/16/1988US4764099 Compressor having discharge valve means adapted to enhance the coefficient of performance of the compressor
08/16/1988US4764091 Piston type compressor for air conditioning unit with asymmetric valve mechanisms
08/16/1988CA1240523A1 Compressor inlet control device
08/11/1988DE3702547A1 Lifting piston compressor
08/10/1988EP0277852A1 Piston lubrification device
08/10/1988EP0277615A2 Fine particle collector arrangement for vacuum pumps
08/10/1988EP0277382A1 Motor-compressor unit
08/09/1988US4762471 Rotary compressor for refrigerant
08/09/1988US4762470 Structure of air pump for fish bowl
08/03/1988EP0276623A2 Rotary compressors
08/02/1988US4761166 Compressor system
07/1988
07/27/1988EP0276084A2 Gas cylinder piston seal
07/27/1988EP0275276A1 Piston and drive arm arrangement for internal combustion engines or compressors
07/26/1988US4759698 Rotary compressor with oil conveying means to shaft bearings
07/26/1988US4759696 Scroll compressor with biased-open exhaust valve
07/26/1988US4759693 Suction sound damper
07/26/1988US4759692 Integral internal pressure relief valve
07/19/1988US4758254 Pneumatic system to remove moisture from compressed gas; drying cylinder
07/19/1988US4758178 Cluster assembly with lead spacer
07/05/1988US4755657 Method of heating an oil reservoir of a refrigeration compressor
07/05/1988US4755110 Piston-type compressor
07/05/1988US4755108 Suction system of hermetic refrigeration compressor
06/1988
06/22/1988EP0272229A1 Motor piston compressor unit
06/22/1988EP0271661A2 Device for transmitting a drive force between two construction parts
06/21/1988US4752190 Compressor cylinder head
06/15/1988EP0270741A1 Compressor with improved exposed outboard thrust plate and method of assembly
06/14/1988US4750864 Compressor lubrication and noise reduction system
06/14/1988US4750409 Apparatus for compressing a gas
06/14/1988US4750337 Oil management in a parallel compressor arrangement
06/08/1988EP0269882A2 Stationary piston compressor for compressing natural gas
06/07/1988US4749340 Piston type compressor with improved suction reed valve stopper
06/01/1988EP0268970A1 Enclosed compressor
06/01/1988CN85108612B Enclosed type compressor
05/1988
05/31/1988US4748531 For a refrigeration system
05/31/1988US4747471 Compressor lubrication system
05/31/1988US4747276 Helium compressor apparatus
05/26/1988DE3703271C1 Moisture and oil separator
05/25/1988CN87107868A Sealing mechanism for sealing aperture on closed vessel
05/19/1988DE3639481A1 Compressed-air compressor
05/18/1988EP0267760A1 Vessel with sealed aperture
05/18/1988EP0267642A1 Motor-compressor
05/18/1988CN86101205B Compression engine of motor drive of enclosed
05/11/1988CN86209091U Arsemble air compressor with splashing lubrication
05/10/1988US4743177 Enclosed type compressor and method for assembling the same
05/10/1988US4743176 Gas flow system for a compressor
05/10/1988US4743168 Variable capacity compressor and method of operating
05/05/1988DE3735802A1 Suction valve for compressed-air compressors
05/04/1988EP0266123A2 Ported-plate, fluid control valve
05/03/1988US4741674 Manifold arrangement for isolating a non-operating compressor
05/03/1988US4741511 Jack having alternate hydraulic lifting and air pump functions using a common drive motor
05/03/1988US4741424 Clutch disc
05/03/1988US4741177 Oil separator in a coolant system
05/03/1988CA1235949A1 Traveling valve assembly
04/1988
04/27/1988CN87106599A Sealed compressor with horizontal crankshaft
04/26/1988USRE32651 Pressure valve for a compressor
04/21/1988WO1988002658A1 Moisture remover in compressed air system
04/19/1988US4738600 Lubricating system
04/13/1988EP0263576A2 Compressor with discharge valve
04/13/1988CN87211650U Defecator of noise-eliminated
04/07/1988DE3631746A1 Diaphragm pump
03/1988
03/22/1988US4732548 Enclosed type compressor
03/16/1988EP0260214A2 Refrigerant injection into oil for sound reduction
03/15/1988US4730994 Compressor with improved exposed outboard thrust plate and method of assembly