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Class Information
Number: 92/12.2
Name: Expansible chamber devices > Displacement control of plural cylinders arranged in parallel, radial, or conical relationship with rotary transmission axis > Parallel cylinders
Description: Apparatus in which the longitudinal axes of said plural cylinders are parallel to and spaced from said axis of rotation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7617761 |
Opposing pump/motors |
Nov. 17, 2009 |
| 7594802 |
Large angle sliding valve plate pump/motor |
Sep. 29, 2009 |
| 7591215 |
Variable displacement hydraulic machine having a swash plate |
Sep. 22, 2009 |
| 7587970 |
Reciprocating piston machine |
Sep. 15, 2009 |
| 7517156 |
Cradle bearing |
Apr. 14, 2009 |
| 7503173 |
Control devices for swashplate type variable displacement piston pump |
Mar. 17, 2009 |
| 7490540 |
Reciprocating compressor, in particular CO.sub.2 compressor for vehicle air-conditioning units |
Feb. 17, 2009 |
| 7484365 |
Axle driving apparatus |
Feb. 3, 2009 |
| 7481161 |
Plunger-cylinder assembly |
Jan. 27, 2009 |
| 7458311 |
Return to neutral for dual hydrostatic transmission |
Dec. 2, 2008 |
| 7455008 |
Swash plate compressor |
Nov. 25, 2008 |
| 7455009 |
Hinge for a variable displacement compressor |
Nov. 25, 2008 |
| 7451687 |
Hybrid nutating pump |
Nov. 18, 2008 |
| 7444921 |
Swash ring compressor |
Nov. 4, 2008 |
| 7438029 |
Piston waveform shaping |
Oct. 21, 2008 |
| 7428812 |
Hydraulic tool with wobble plate transmission |
Sep. 30, 2008 |
| 7406912 |
Swash plate compressor |
Aug. 5, 2008 |
| 7380399 |
Static hydraulic continuously variable transmission |
Jun. 3, 2008 |
| 7380492 |
Hydrostatic variable displacement unit having a swash plate and a servo system having a spring arrangement |
Jun. 3, 2008 |
| 7373870 |
Universal hybrid engine, compressor and pump, and method of operation |
May. 20, 2008 |
| 7373871 |
Swash plate for a hydraulic drive apparatus |
May. 20, 2008 |
| 7367258 |
Longitudinally adjustable reversible axial piston machine |
May. 6, 2008 |
| 7357067 |
Spherical joint of a hydrostatic piston machine |
Apr. 15, 2008 |
| 7340890 |
Hydraulic apparatus with return to neutral mechanism |
Mar. 11, 2008 |
| 7340891 |
Axle driving system |
Mar. 11, 2008 |
| 7334513 |
Axial piston machine having a fixable slide block on the swash plate |
Feb. 26, 2008 |
| 7331271 |
Variable stroke/clearance mechanism |
Feb. 19, 2008 |
| 7325476 |
Variable stroke and clearance mechanism |
Feb. 5, 2008 |
| 7322271 |
Rotary radial piston machine |
Jan. 29, 2008 |
| 7313915 |
Assembly for use with a return to neutral mechanism |
Jan. 1, 2008 |
| 7311034 |
Hydraulic device |
Dec. 25, 2007 |
| 7305915 |
Efficient pump/motor with reduced energy loss |
Dec. 11, 2007 |
| 7302883 |
Hybrid nutating pump |
Dec. 4, 2007 |
| 7299738 |
Axial piston machine having a device for the electrically proportional adjustment of the volumetric displacement |
Nov. 27, 2007 |
| 7299740 |
Reciprocating axial displacement device |
Nov. 27, 2007 |
| 7267041 |
Reciprocating piston compressor |
Sep. 11, 2007 |
| 7263829 |
Pump |
Sep. 4, 2007 |
| 7240488 |
Cruise control and neutral return mechanism for a hydrostatic transmission |
Jul. 10, 2007 |
| 7234385 |
Return to neutral mechanism for hydraulic pump |
Jun. 26, 2007 |
| 7225618 |
Axle driving system |
Jun. 5, 2007 |
| 7185578 |
Piston assembly |
Mar. 6, 2007 |
| 7178449 |
Hydraulic device driving a rotating receiver |
Feb. 20, 2007 |
| 7179063 |
Reciprocating-piston machine with a sliding sleeve |
Feb. 20, 2007 |
| 7174827 |
Mounting clip for thrust bearing |
Feb. 13, 2007 |
| 7171889 |
Swash plate tilting angle detector for a swash plate plunger type hydraulic unit |
Feb. 6, 2007 |
| 7162948 |
Variable stroke assembly balancing |
Jan. 16, 2007 |
| 7127890 |
Axle driving system |
Oct. 31, 2006 |
| 7124677 |
Swashplate assembly |
Oct. 24, 2006 |
| 7121190 |
Fluid machine for gas compression refrigerating system |
Oct. 17, 2006 |
| 7121092 |
Bypass mechanism for a hydraulic drive device |
Oct. 17, 2006 |
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