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Class Information
Number: 417/218
Name: Pumps > Condition responsive control of drive transmission or pump displacement > Adjustable cam or linkage
Description: Apparatus in which the pump is of the expansible chamber-type, i.e., having a relatively movable pumping member and chamber, and including a mechanical movement having relatively movable parts in which the driving relationship is varied by an adjustable element (e.g., cam, eccentric, link, etc.,) which is moved relative to another part.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7611334 |
Pump with variant strokes |
Nov. 3, 2009 |
| 7607902 |
Closed compressor and refrigerating cycle apparatus |
Oct. 27, 2009 |
| 7588427 |
Variable capacity rotary compressor |
Sep. 15, 2009 |
| 7563076 |
Variable rate pumping system |
Jul. 21, 2009 |
| 7549847 |
Portable bulk transfer pump with variable speed transmission |
Jun. 23, 2009 |
| 7484939 |
Variable displacement radial piston pump |
Feb. 3, 2009 |
| 7481631 |
Variable capacity rotary compressor |
Jan. 27, 2009 |
| 7354250 |
Variable capacity rotary compressor |
Apr. 8, 2008 |
| 7341434 |
Regulatory device comprising a threshold valve control valve |
Mar. 11, 2008 |
| 7309217 |
Variable capacity rotary compressor |
Dec. 18, 2007 |
| 7300259 |
Variable capacity rotary compressor |
Nov. 27, 2007 |
| 7293966 |
Variable capacity rotary compressor |
Nov. 13, 2007 |
| 7281914 |
Variable capacity rotary compressor |
Oct. 16, 2007 |
| 7226275 |
Variable capacity rotary compressor |
Jun. 5, 2007 |
| 7223081 |
Variable capacity rotary compressor |
May. 29, 2007 |
| 7220108 |
Variable capacity rotary compressor |
May. 22, 2007 |
| 7192259 |
Variable capacity rotary compressor |
Mar. 20, 2007 |
| 7153109 |
Variable capacity rotary compressor |
Dec. 26, 2006 |
| 7150602 |
Variable capacity rotary compressor |
Dec. 19, 2006 |
| 7150608 |
Variable capacity rotary compressor |
Dec. 19, 2006 |
| 7144224 |
Variable capacity rotary compressor |
Dec. 5, 2006 |
| 7140844 |
Variable capacity rotary compressor |
Nov. 28, 2006 |
| 7134845 |
Variable capacity rotary compressor |
Nov. 14, 2006 |
| 7104764 |
Variable capacity rotary compressor |
Sep. 12, 2006 |
| 7070395 |
Variable capacity rotary compressor |
Jul. 4, 2006 |
| 7059842 |
Variable capacity rotary compressor |
Jun. 13, 2006 |
| 7033149 |
Medium pump adapted for ease of disassembly and assembly |
Apr. 25, 2006 |
| 7014427 |
Capacity controller of capacity variable compressor |
Mar. 21, 2006 |
| 6962486 |
Variable capacity rotary compressor |
Nov. 8, 2005 |
| 6935853 |
Variable capacity rotary compressor |
Aug. 30, 2005 |
| 6863505 |
Wind driven high pressure water pump |
Mar. 8, 2005 |
| 6860724 |
Rotary compressor |
Mar. 1, 2005 |
| 6796773 |
Variable capacity rotary compressor |
Sep. 28, 2004 |
| 6732716 |
Metering valve arrangement |
May. 11, 2004 |
| 6715995 |
Hybrid compressor control method |
Apr. 6, 2004 |
| 6715997 |
Housing for a rotary hydraulic unit with a servo piston |
Apr. 6, 2004 |
| 6537038 |
Supply pump having a variable drive gear unit |
Mar. 25, 2003 |
| 6443706 |
Hydrostatic axial piston machine with electro-hydraulic swash plate control |
Sep. 3, 2002 |
| 6406269 |
Fuel pump |
Jun. 18, 2002 |
| 6394560 |
Wheel driven pump in a hydraulic brake system |
May. 28, 2002 |
| 6341946 |
Continuously adjustable telescopic pedal crank length |
Jan. 29, 2002 |
| 6296455 |
Pump enable system and method |
Oct. 2, 2001 |
| 6206667 |
Pump for dispensing resins |
Mar. 27, 2001 |
| 6203283 |
Single piece yoke stroking device for bent axis type hydraulic pumps and variable motors |
Mar. 20, 2001 |
| 6183209 |
Auxiliary pump means of an advance arrangement of a high pressure piston pump |
Feb. 6, 2001 |
| 6162024 |
Constant horsepower continuously variable volume pump |
Dec. 19, 2000 |
| 6162023 |
Reciprocating cam actuation mechanism for a pump |
Dec. 19, 2000 |
| 6155798 |
Hydrostatic axial piston machine |
Dec. 5, 2000 |
| 6149396 |
Apparatus for sequentially dispensing flowable materials |
Nov. 21, 2000 |
| 6135724 |
Method and apparatus for metering multiple injection pump flow |
Oct. 24, 2000 |
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