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Class Information
Number: 92/71
Name: Expansible chamber devices > Relatively movable working members > Interconnected with common rotatable shaft > Shaft axis parallel to axes of working members (70)
Description: Apparatus in which the axes of the working members are parallel to each other, and the axis of the shaft is parallel to the axes of the working members.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8668469 Hydraulic piston pump with reduced restriction barrel passage Mar. 11, 2014
8627758 Axial piston pump with pistons having metallic sealing rings Jan. 14, 2014
8621977 Reciprocating piston engine Jan. 7, 2014
8549985 Wabble plate type variable displacement compressor Oct. 8, 2013
8485794 Reciprocating compressor with rotary valve Jul. 16, 2013
8475141 Pump assembly for high pressure cleaners Jul. 2, 2013
8430018 Device for coupling a piston to an annular disk Apr. 30, 2013
8419382 Piston compressor Apr. 16, 2013
8348631 Lubricant or hydraulic pump Jan. 8, 2013
8333571 Pump having pulsation-reducing engagement surface Dec. 18, 2012
8327751 Wabble plate type variable displacement compressor Dec. 11, 2012
8322270 Reciprocating piston machine Dec. 4, 2012
8276503 Axial piston machine Oct. 2, 2012
8272315 Dual pump Sep. 25, 2012
8267006 Axial piston machine Sep. 18, 2012
8262368 Hydraulic piston machine Sep. 11, 2012
8230773 Axial piston compressor, in particular a compressor for the air conditioning system of a motor vehicle Jul. 31, 2012
8197229 Double-headed piston type compressor Jun. 12, 2012
8147214 Compressor Apr. 3, 2012
8137078 Axial piston machine Mar. 20, 2012
8133036 Fluid powered motor Mar. 13, 2012
8118566 Piston compressor with second intake Feb. 21, 2012
8096228 Bent axis dual yoke hydromodule Jan. 17, 2012
8092193 Self lubricating pump Jan. 10, 2012
8047166 Electric valve actuation system Nov. 1, 2011
8047810 Double-headed piston type compressor Nov. 1, 2011
8007250 Compressor Aug. 30, 2011
7997879 Axial piston machine of swash-plate construction with a bearing arrangement of the cylinder block on a supporting journal Aug. 16, 2011
7997880 Compressor Aug. 16, 2011
7988428 Axial piston machine Aug. 2, 2011
7975600 Axial piston machine, recoil plate and method of manufacturing a recoil plate Jul. 12, 2011
7963209 Water hydraulic machine Jun. 21, 2011
7895934 Apparatus for generating electricity through oscillatory motion Mar. 1, 2011
7882779 Variable displacement inclined plate type compressor Feb. 8, 2011
7849783 Plastic shoes for compressors Dec. 14, 2010
7806667 Dual pump Oct. 5, 2010
7802512 Assembly structure of drive shaft and swash plate in swash plate type compressor Sep. 28, 2010
7743694 Axial piston machine Jun. 29, 2010
7731485 Reciprocating cylinder swash plate pump Jun. 8, 2010
7713610 Sliding member May. 11, 2010
7698989 Reciprocating piston machine Apr. 20, 2010
7661937 Axial piston machine and a control plate for an axial piston engine Feb. 16, 2010
7658597 Pump body with plunger pistons Feb. 9, 2010
7651273 Semispherical shoe and manufacturing method therefor Jan. 26, 2010
7635255 Long piston hydraulic machines Dec. 22, 2009
7597042 Axial piston machine Oct. 6, 2009
7546797 One piece slipper holddown device Jun. 16, 2009
7520210 Oil separator for a fluid displacement apparatus Apr. 21, 2009
7513189 Hydrostatic piston machine with two hydraulic circuits Apr. 7, 2009
7503173 Control devices for swashplate type variable displacement piston pump Mar. 17, 2009

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