Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981)
01/2001
01/09/2001US6171076 Hermetic compressor assembly having a suction chamber and twin axially disposed discharge chambers
01/04/2001WO2001000998A1 Device for generating, accumulating and discharging compressed air
01/04/2001WO2001000993A1 Gas rotary screw compressor
01/04/2001DE19930635A1 Energy converter for converting electricity to hydraulic power, with electric motor and hydraulic pump independently attached to base frame
01/04/2001DE10027009A1 Kompressor des Spiraltyps Scroll-type compressor
01/03/2001EP1065376A2 Hermetic compressor
01/03/2001CN1278892A Hermetic scroll compressor
01/03/2001CN1278889A Scroll-type fluid displacement device having flow diverter, multiple tip seal and semi-radial compliant mechanism
01/02/2001US6168403 Rotating compressor bearing with dual taper
01/02/2001US6168402 Scroll-type compressor having power transmission mechanism allowing idling
01/02/2001US6167719 Compressor for refrigeration cycle
12/2000
12/27/2000CN1278026A Poly vinyl chloride fiber with improved thermal shrinkage
12/27/2000CN1059953C Scroll compressor with driver
12/26/2000US6164941 Displacement type fluid machine having an orbiting displacer forming a plurality of spaces
12/26/2000US6164940 Scroll type compressor in which a soft starting mechanism is improved with a simple structure
12/26/2000US6164929 Refrigerant compressor with cooling means
12/21/2000WO2000077399A2 Hermetic motor-driven compressor
12/20/2000EP1061260A1 Positive displacement machine for compressible fluids
12/20/2000EP1061259A2 Screw compressor
12/20/2000EP1060336A1 Liquid mechanical pump
12/20/2000EP1060335A1 Scroll compressor with combined pressure ratio and pressure differential relief valve
12/20/2000CN1277327A Rotary compressor
12/19/2000US6162033 Compressor economizer tube assembly
12/14/2000WO2000046502A3 Coalescing device and method for removing particles from a rotary gas compressor
12/13/2000EP1059454A1 Rotary piston compressor with axial flow
12/13/2000EP1059452A1 Thrust ball bearing and open-type scroll compressor
12/13/2000EP1059450A2 Scroll compressor
12/13/2000EP1059448A2 Scroll compressor
12/13/2000CN1276488A Open compressor
12/13/2000CN1276485A Thrust ball bearing and open swirl compressor
12/13/2000CN1276481A Swirl compressor capable of introducing high-pressure fluid into thrust face
12/13/2000CN1059488C Scroll-type fluid machinery
12/12/2000US6158995 Sealed compressor having pipe connectors and method of joining pipe connectors to sealed casing
12/12/2000US6158989 Scroll compressor with integral outer housing and fixed scroll member
12/12/2000US6158980 Compressor with motor
12/07/2000WO2000073659A1 Apparatus for preventing vacuum compression of scroll compressor
12/07/2000WO2000057062B1 Pump for generating pressure or negative pressure
12/06/2000CN1275681A Fluid machinery with open facing the channel of lubricant feeding inlet of stator
12/06/2000CN1275680A Compressor
12/05/2000US6155502 Nozzle device for purging a vacuum pump
12/05/2000CA2272776C Pick-up tube guard
11/2000
11/30/2000DE19923733A1 Suction gas line for coolant compressor has outside curvature of gas path free of obstructions, step height 0.3 to 1 times, step length 0.2 to 1 times output section hydraulic diameter
11/30/2000DE19923234A1 Roots-Kompressor Roots supercharger
11/30/2000DE19920279A1 Rotary piston blower has self-supporting pressure sound damper below blower stage and suction filter and an identical constructed suction sound damper below motor
11/29/2000EP1055823A1 Vane type vacuum pump for automobiles
11/29/2000EP1055820A1 Scroll machine lubrication system
11/29/2000CN2408272Y Lubricating oil reflux structure for compressor
11/29/2000CN1274806A Combined self-lubricating unloading rotating machine with eccentric shaft
11/29/2000CN1059020C Scroll-type compressor and method of assembling the same
11/28/2000US6152714 Displacement type fluid machine having rotation suppression of an orbiting displacer
11/28/2000US6152713 Scroll type compressor
11/22/2000EP1054160A1 Positive displacement machine for compressible fluids
11/22/2000EP1054159A2 Roots compressor and method to reduce pulsations
11/22/2000CN2407154Y Hooped low noise refrigeration compressor
11/22/2000CN1274410A Screw-type compressor
11/21/2000US6149414 Oil-sealed vane-type rotary vacuum pump with an oil pump
11/21/2000US6149413 Scroll compressor with lubrication of seals in back pressure chamber
11/21/2000US6149408 Coalescing device and method for removing particles from a rotary gas compressor
11/21/2000US6149405 Double wrap dry scroll vacuum pump having a compressed gas cooling passage disposed in the scroll shaft
11/21/2000CA2032417C Scroll compressor with discharge valves
11/15/2000EP1052409A2 Scroll compressor
11/15/2000CN1273625A Bearing for refrigerating machine compressor and compressor for refrigerating machine
11/15/2000CN1273329A Rotary compresor bearing with double-conicity
11/14/2000US6146118 Oldham coupling for a scroll compressor
11/14/2000US6146117 Scroll hydraulic machine
11/08/2000CN1272906A Multi-stage capacity control scroll compressor
11/07/2000US6142756 A vane of a compressor is made of solid phase sintering material of which a sintering density is not less than 7.2g/cm3 and a hollow rate is not more than 10% and to which a chromium nitride is adhered by physical vapor deposition
11/07/2000US6142753 Scroll compressor with economizer fluid passage defined adjacent end face of fixed scroll
11/07/2000US6142741 Hermetic electric compressor with improved temperature responsive motor control
11/02/2000WO2000065708A1 Powertrain for power generator
10/2000
10/31/2000US6139298 Shaft structure in screw rotor of screw fluid assembly
10/31/2000US6139295 Bearing lubrication system for a scroll compressor
10/31/2000US6139294 Stepped annular intermediate pressure chamber for axial compliance in a scroll compressor
10/31/2000US6139292 Scroll-type fluid displacement apparatus including oldham coupling mechanism and method for manufacturing such apparatus
10/31/2000US6139291 Scroll machine with discharge valve
10/31/2000US6139287 Scroll type fluid machine
10/31/2000CA2218971C Compressor ball valve
10/26/2000WO2000063533A1 Vacuum pump oil distribution system with integral oil pump
10/26/2000CA2367483A1 Vacuum pump oil distribution system with integral oil pump
10/25/2000EP1046818A2 Capacity controller of a compressor with variable capacity
10/24/2000US6135740 Pump drive head backspin retarder
10/24/2000US6135738 Scroll compressor having a discharge port in the moveable scroll
10/24/2000US6135737 Scroll hydraulic machine
10/24/2000CA2167028C Scroll type fluid machine
10/24/2000CA2034039C Two-stage pumping system
10/19/2000DE10017091A1 Motor-powered compressor e.g. for vehicle air conditioning unit, has compression stage, motor, driver circuit for controlling motor drive, and driver circuit contained in stage of compressor on coolant suction side
10/18/2000EP1044334A1 Cooling device
10/18/2000CN2401707Y Board type low-noise refrigeration compressor
10/18/2000CN1270661A Sliding member and refrigerating compressor using the same
10/17/2000US6132195 Rotary compressor
10/17/2000US6132192 Scroll compressor made of silicon containing aluminum alloy
10/17/2000US6132191 Check valve for scroll compressor
10/17/2000US6132103 Rotor provided with shaft pivots
10/17/2000US6131406 Refrigerant compressor
10/12/2000DE19915329A1 Compressor in wet form, with either induction air or air blown out flows out to cool motor in front of compressor block
10/11/2000CN1269871A Oil flow protection scheme
10/10/2000US6129532 CO2 compressor
10/10/2000US6129531 Open drive scroll machine
10/04/2000EP1041286A2 Scroll compressor with reverse rotation prevention
10/04/2000CN1268651A Heat pump having noise proof function
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