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