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Class Information
Number: 92/144
Name: Expansible chamber devices > With encompassing heat exchange modifying space or jacket
Description: Apparatus comprising a working chamber forming member provided with a housing, spaced from and enclosing the outer wall thereof to form a space between said structure and outer wall which space is designed to (1) form a jacket for circulating a heat exchange fluid therein or (2) form an insulating space to reduce the flow of heat to or from the working chamber through the walls of said member.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8454321 Methods and devices for optimizing heat transfer within a compression and/or expansion device Jun. 4, 2013
8453440 Drive device for a vehicle Jun. 4, 2013
8371828 Air compressor having a cast aluminum crankcase Feb. 12, 2013
8226359 Variable guide vane actuator with thermal management Jul. 24, 2012
8117960 Water-cooled piston compressor Feb. 21, 2012
8025489 Portable, remote electromagnetic power system Sep. 27, 2011
8011900 Hermetic compressor with a heat dissipation system Sep. 6, 2011
7219594 Coolant system for piston and liner of reciprocating pumps May. 22, 2007
7073427 Hydrostatic machine with compensated sleeves Jul. 11, 2006
6863508 Measuring gas pump with heated and insulated pump head Mar. 8, 2005
6553893 Piston assembly for reducing the temperature of a compressor cup seal Apr. 29, 2003
6386833 Air compressor assembly with dual cooling fans May. 14, 2002
6186515 Air-cooled hydraulic chuck actuator Feb. 13, 2001
6145311 Pneumo-hydraulic converter for energy storage Nov. 14, 2000
5971717 Axial piston machine having a cooling circuit for the cylinders and pistons Oct. 26, 1999
5916349 Piston assembly and method for reducing the temperature of a compressor cup seal Jun. 29, 1999
5860800 Compressor cylinder head having a partition Jan. 19, 1999
5823598 Hidden storage for vehicles Oct. 20, 1998
5775885 Combination suction manifold and cylinder block for a reciprocating compressor Jul. 7, 1998
5533879 Manual driven valved piston reciprocating liquid pump Jul. 9, 1996
5501299 Process and apparatus for preventing corrosion of a hydraulic elevator cylinder Mar. 26, 1996
5327812 Fluid-powered actuator and method of attaching mounting plates Jul. 12, 1994
5148678 Exhaust gas flow control valve for internal combustion engine Sep. 22, 1992
4930406 Refrigerant gas compressor construction Jun. 5, 1990
4831828 Cryogenic refrigerator having a convection system to cool a hermetic compressor May. 23, 1989
4818192 Reciprocating pump Apr. 4, 1989
4792289 Reciprocating pump for cryogenic fluids Dec. 20, 1988
4712381 Fluid handling elements and combustion engines Dec. 15, 1987
4701114 Compressor suction gas heat shield Oct. 20, 1987
4651526 Hydrostatic drive specially for mixing drums of ready-mixed concrete vehicles Mar. 24, 1987
4536132 Gas compressor Aug. 20, 1985
4529365 Compressor with longitudinally extending cooling fins Jul. 16, 1985
4523632 Cooling system of rotary fluid pressure cylinder for chucking in machine tools Jun. 18, 1985
4480532 Fossil fuel combustion-steam engines and elements for fluid handling devices Nov. 6, 1984
4466399 Piston-cylinder set for reciprocating internal-combustion engines, especially Otto and diesel engines Aug. 21, 1984
4431172 Device for absorbing punching shock in a press Feb. 14, 1984
4396362 Cryogenic reciprocating pump Aug. 2, 1983
4393752 Piston compressor Jul. 19, 1983
4319516 Fan-cooled actuator for power chuck Mar. 16, 1982
4257314 Apparatus for improved motion control Mar. 24, 1981
4250953 Piston sealing Feb. 17, 1981
4242878 Isothermal compressor apparatus and method Jan. 6, 1981
4174616 Insulated cylinder sleeve for a hot-gas engine Nov. 20, 1979
4172363 Hot-gas engine Oct. 30, 1979
4097202 Auxiliary compressor assembly Jun. 27, 1978
4094365 Electrohydraulically operated portable power tool Jun. 13, 1978
4052972 Internal combustion engine Oct. 11, 1977
4037998 Rotary engine cooling Jul. 26, 1977
4035110 Air compressor cylinder head Jul. 12, 1977
4024801 EXTENDED INSULATED HOT HEAD PISTON WITH EXTENDED INSULATED HOT CYLINDER WALLS May. 24, 1977

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