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Class Information
Number: 91/499
Name: Motors: expansible chamber type > Three or more cylinders arranged in parallel radial or conical relationship with rotary transmission axis > Cylinders parallel to rotation axis
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 |
| 7572114 |
Structure of pump |
Aug. 11, 2009 |
| 7566207 |
Dual pump transmission |
Jul. 28, 2009 |
| 7547198 |
Double-headed piston type compressor |
Jun. 16, 2009 |
| 7500424 |
Hydraulic machine having pressure equalization |
Mar. 10, 2009 |
| 7451687 |
Hybrid nutating pump |
Nov. 18, 2008 |
| 7406911 |
Expander |
Aug. 5, 2008 |
| 7402027 |
Rotating group of a hydraulic machine |
Jul. 22, 2008 |
| 7390178 |
Compressor |
Jun. 24, 2008 |
| 7371055 |
Tandem pump unit |
May. 13, 2008 |
| 7367783 |
Rotating fluid machine |
May. 6, 2008 |
| 7361000 |
Tandem pump unit |
Apr. 22, 2008 |
| 7353745 |
Hydrostatic adjustment unit with swashplate, rotating cylinder block and a rotational speed signal transmitter |
Apr. 8, 2008 |
| 7340988 |
Hydraulic machine having axial pistons with a synchronization system |
Mar. 11, 2008 |
| 7328647 |
Hydraulic device |
Feb. 12, 2008 |
| 7320273 |
Compressor |
Jan. 22, 2008 |
| 7311034 |
Hydraulic device |
Dec. 25, 2007 |
| 7302883 |
Hybrid nutating pump |
Dec. 4, 2007 |
| 7278263 |
Charge pump for a hydraulic pump |
Oct. 9, 2007 |
| 7263925 |
Hydraulic axial piston machine |
Sep. 4, 2007 |
| 7185577 |
Tandem pump unit |
Mar. 6, 2007 |
| 7146810 |
Pump assembly |
Dec. 12, 2006 |
| 7056100 |
Piston assembly for a compressor |
Jun. 6, 2006 |
| 7052246 |
Axial piston micropump |
May. 30, 2006 |
| 7013791 |
Axial piston machine with a swash plate |
Mar. 21, 2006 |
| 7007468 |
Charge pump for a hydrostatic transmission |
Mar. 7, 2006 |
| 6990889 |
Swash plate drive system |
Jan. 31, 2006 |
| 6986406 |
Hydrostatic transmission |
Jan. 17, 2006 |
| 6983680 |
Long-piston hydraulic machines |
Jan. 10, 2006 |
| 6981321 |
Hydrostatic cylinder block and method of making the same |
Jan. 3, 2006 |
| 6960069 |
Arrangement structure of swash plate hydraulic pump hydraulic pump |
Nov. 1, 2005 |
| 6953327 |
Dual pump |
Oct. 11, 2005 |
| 6893228 |
Axial piston pump with fluid bearing arrangement |
May. 17, 2005 |
| 6887045 |
Hydraulic transformer |
May. 3, 2005 |
| 6880448 |
Pump and center section for hydrostatic transmission |
Apr. 19, 2005 |
| 6874995 |
Compressors having cylinder liners extending beyond the cylinder bores |
Apr. 5, 2005 |
| 6846165 |
Hydrostatic machine |
Jan. 25, 2005 |
| 6817840 |
Shaft seal, in particular for an axial piston displacement compressor |
Nov. 16, 2004 |
| 6808086 |
Paste ejection apparatus |
Oct. 26, 2004 |
| 6802244 |
Hydrostatic cylinder block and method of making the same |
Oct. 12, 2004 |
| 6796774 |
Axial piston engine |
Sep. 28, 2004 |
| 6773226 |
Rotary work exchanger and method |
Aug. 10, 2004 |
| 6736605 |
Tandem pump unit |
May. 18, 2004 |
| 6722259 |
Fluid machinery |
Apr. 20, 2004 |
| 6705841 |
Variable displacement compressor with stepped shaft |
Mar. 16, 2004 |
| 6675696 |
Pump and center section for hydrostatic transmission |
Jan. 13, 2004 |
| 6672843 |
Dual pump apparatus comprising dual drive shafts and auxiliary pump |
Jan. 6, 2004 |
| 6669450 |
Rotary slant shaft type gas compressor with multi-stepped exhaust system |
Dec. 30, 2003 |
| 6663354 |
Hydrostatic axial piston machine with a control port, a cradle supported swashplate and a swashplate actuating piston |
Dec. 16, 2003 |
| 6658986 |
Compressor housing with clamp |
Dec. 9, 2003 |
| 6648605 |
Pump utilizing dissimilar materials to compensate for temperature change |
Nov. 18, 2003 |
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