| Patents for F04C 28 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids (4,928) |
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| 12/14/1995 | DE19520757A1 Worm compressor for motor vehicle air conditioning unit |
| 12/13/1995 | EP0630446B1 Oil-sealed vacuum pump |
| 12/12/1995 | US5474434 Scroll-type compressor having radial scroll clearance during reverse rotation and improper assembly prevention |
| 12/12/1995 | US5474431 Scroll machine having discharge port inserts |
| 12/07/1995 | DE19519791A1 Screw compressor for vehicle air conditioner |
| 12/06/1995 | EP0685651A1 Scroll type fluid machine |
| 12/06/1995 | EP0685038A1 Liquid ring machine and process for operating it. |
| 11/29/1995 | EP0684385A1 Pressure reducing device for a compressor |
| 11/29/1995 | CN1112649A A multistage vacuum pump |
| 11/23/1995 | DE4417161A1 Air or gas compressor of hypotrochoidal construction |
| 11/23/1995 | DE19517748A1 In air jet loom pressure transients are minimised without bulky appts. |
| 11/22/1995 | EP0683322A2 Pump unit |
| 11/22/1995 | EP0683320A1 Swinging rotary compressor |
| 11/16/1995 | DE19517369A1 Spiral compressor for vehicle air conditioning unit |
| 11/15/1995 | EP0681657A1 Control system for screw type supercharging apparatus |
| 11/15/1995 | CN1111724A Vortex compressor |
| 11/08/1995 | EP0681105A2 Scroll machine with reverse rotation protection |
| 10/25/1995 | EP0678966A1 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor |
| 10/23/1995 | EP0746685A4 Scroll compressor drive having a brake |
| 10/19/1995 | DE19513945A1 Spiral compressor e.g. for vehicle |
| 10/17/1995 | US5458471 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism |
| 10/11/1995 | CN1109948A Scroll machine having discharge port inserts |
| 09/27/1995 | EP0674106A1 A multistage vacuum pump |
| 09/26/1995 | US5452998 Non-contact vane-type fluid displacement machine with suction flow check valve assembly |
| 09/26/1995 | US5452989 Reverse phase and high discharge temperature protection in a scroll compressor |
| 09/19/1995 | US5451146 Scroll-type variable-capacity compressor with bypass valve |
| 09/19/1995 | US5451140 Fugitive volatile organic compound vapor collection system |
| 09/14/1995 | DE19507975A1 Vane cell compressor |
| 09/13/1995 | CN1108358A Scroll machine with reverse rotation protection |
| 09/12/1995 | US5449276 Two stage vacuum pump having different diameter interengaging rotors |
| 09/05/1995 | US5447419 Scroll-type compressor having clearances during reverse rotation and improper assembly prevention |
| 08/31/1995 | WO1995023290A1 Rotary screw compressor with thrust balancing means utilizing different pressure levels and a method for operating such a compressor |
| 08/29/1995 | US5445502 Vacuum pump having parallel kinetic pump inlet section |
| 08/24/1995 | WO1995022695A1 Oil separation and bearing lubrication in a high side co-rotating scroll compressor |
| 08/16/1995 | EP0630441A4 Screw compressor providing thrust bearing force compensation. |
| 08/10/1995 | WO1995021359A1 Refrigeration system and a method for regulating the refrigeration capacity of such a system |
| 08/09/1995 | EP0633980A4 Scroll machine with overheating protection. |
| 08/09/1995 | CN1106504A Speed detector of scroll-type fluid machine |
| 08/03/1995 | WO1995020719A1 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism |
| 08/02/1995 | EP0608311A4 Inlet control combination for a compressor system. |
| 08/02/1995 | EP0480065B1 Scroll compressor |
| 07/26/1995 | EP0663986A1 Process for operating a dry-compression vacuum pump |
| 07/25/1995 | US5435704 Capacity and volume ratio control valve assembly |
| 07/18/1995 | US5433589 Scroll-type compressor having decreased eccentricity upon reverse rotation |
| 07/11/1995 | US5431025 Apparatus and method of oil charge loss protection for compressors |
| 07/05/1995 | EP0661458A1 Clutch apparatus for a rotary compressor |
| 06/27/1995 | US5427511 Scroll compressor having a partition defining a discharge chamber |
| 06/21/1995 | CN1103943A Refrigerating cycle machine |
| 06/15/1995 | WO1995016135A1 Swinging rotary compressor |
| 06/14/1995 | CN1028892C Pressure ratio responsive unloader |
| 06/08/1995 | WO1995015439A1 A device in a vacuum pump |
| 06/08/1995 | DE4092106C1 Spiral compressor |
| 06/06/1995 | US5421708 Oil separation and bearing lubrication in a high side co-rotating scroll compressor |
| 05/31/1995 | EP0655555A1 Scroll machine with reverse rotation protection |
| 05/30/1995 | US5419690 Scroll type refrigerant compressor with means for preventing mechanical crack of the housing |
| 05/30/1995 | US5419689 Vacuum pump having oil-actuated inlet valve |
| 05/30/1995 | US5419146 Evaporator water temperature control for a chiller system |
| 05/23/1995 | US5417551 Housing arrangement for a synchronous plural motor fluid rotary apparatus |
| 05/11/1995 | WO1995012759A1 Scroll compressor |
| 05/10/1995 | EP0652372A1 Reversible rotary compressor and reversible refrigerating cycle |
| 05/10/1995 | CN1028379C Scroll machine with floating seal |
| 05/04/1995 | WO1995012071A1 Tank mounted rotary compressor |
| 05/02/1995 | US5411387 Rotary displacement compressor having adjustable internal volume ratio and a method for regulating the internal volume ratio |
| 05/02/1995 | US5411384 Scroll compressor having upper and lower bearing housings and a method of testing and assembling the compressor |
| 05/02/1995 | US5411375 Intake control valve |
| 04/27/1995 | DE4438827A1 Induction regulator |
| 04/18/1995 | US5407335 Non-orbiting scroll mounting arrangements for a scroll machine |
| 04/12/1995 | EP0647293A1 Piston unloader arrangement for screw compressors |
| 03/29/1995 | EP0645540A1 Variable capacity vane compressor with axial pressure device |
| 03/29/1995 | EP0645539A1 Control valve for a variable capacity vane compressor |
| 03/29/1995 | EP0645538A1 Method and apparatus for selectively varying the flow rate of service liquid through a two stage liquid ring vacuum pump |
| 03/29/1995 | EP0645521A1 Liquid ring gas pump |
| 03/29/1995 | CN1100781A Scroll machine with reverse rotation protection |
| 03/28/1995 | US5400611 Refrigerating cycle machine |
| 03/21/1995 | US5399817 Muffler |
| 03/08/1995 | CN1099847A Scroll type compressor |
| 03/07/1995 | US5395220 Speed detector of scroll-type fluid machine |
| 03/07/1995 | US5395214 Starting method for scroll-type compressor |
| 02/28/1995 | US5393201 Synchronous rotating apparatus for rotating a plurality of shafts |
| 02/23/1995 | WO1995005540A1 Vacuum pump with oil separator |
| 02/16/1995 | DE4428359A1 Hydraulic pump for a power-steering arrangement |
| 02/14/1995 | US5388967 Compressor start control and air inlet valve therefor |
| 02/09/1995 | WO1995004223A1 Vacuum pump with a gas ballast device |
| 02/02/1995 | DE4325283A1 Valve system controllable as a function of operation for a vacuum pump |
| 01/26/1995 | WO1995002766A1 Regulating device for a screw rotor machine intended for supercharging internal combustion engines |
| 01/25/1995 | EP0597866B1 Control unit for a liquid ring compressor |
| 01/18/1995 | EP0633980A1 Scroll machine with overheating protection. |
| 01/12/1995 | DE4325082A1 Arrangement for controlling hydraulic drives for power-regulated screw compressors |
| 01/04/1995 | EP0566573B1 Silencer unit |
| 12/28/1994 | EP0630445A1 Compressor slide valve control |
| 12/28/1994 | EP0630441A1 Screw compressor providing thrust bearing force compensation |
| 12/22/1994 | WO1994029596A1 Positive displacement machine with electronic motor synchronisation |
| 12/21/1994 | EP0629778A2 Regulating device for screw-type compressors |
| 12/21/1994 | CN1027095C Scroll type compressor |
| 12/17/1994 | CA2121763A1 Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby |
| 12/13/1994 | CA2080877C Pressure ratio responsive unloader |
| 12/07/1994 | EP0627559A1 Inspection system for a defective rotation preventing device in an orbiting member of a fluid displacement apparatus |
| 12/06/1994 | US5370511 Of an air conditioning system in an automotive vehicle |
| 11/29/1994 | US5368446 Scroll compressor having high temperature control |
| 11/23/1994 | EP0625640A1 Refrigerant displacement apparatus with thermal protection device |