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Class Information
Number: 417/221
Name: Pumps > Condition responsive control of drive transmission or pump displacement > Adjustable cam or linkage > Radial cam or eccentric
Description: Apparatus wherein the cam or eccentric forms a part of a rotary drive in which a cooperating cam follower or eccentric strap moves radially of the shaft on which the cam or eccentric is mounted or carried.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8668466 Variable displacement reciprocating pump Mar. 11, 2014
8322997 Eccentric pump Dec. 4, 2012
8272847 Reciprocating compressor Sep. 25, 2012
8123492 Speed-related control mechanism for a pump and control method Feb. 28, 2012
8109737 Reciprocating device with dual chambered cylinders Feb. 7, 2012
7871252 Rotary compressor having two compression capacities Jan. 18, 2011
7811064 Variable displacement reciprocating pump Oct. 12, 2010
7766626 Multipiston pump Aug. 3, 2010
7726956 Combination assembly for managing a hose or like elastic pump tube in a positive displacement pump Jun. 1, 2010
7597547 Variable capacity rotary compressor Oct. 6, 2009
7588427 Variable capacity rotary compressor Sep. 15, 2009
7581576 Automatic air-feeding mechanism for pneumatic tire Sep. 1, 2009
7568895 Dual capacity compressor Aug. 4, 2009
7484939 Variable displacement radial piston pump Feb. 3, 2009
7481631 Variable capacity rotary compressor Jan. 27, 2009
7374406 System and method for reducing noise in multi-capacity compressors May. 20, 2008
7354250 Variable capacity rotary compressor Apr. 8, 2008
7354251 Variable capacity rotary compressor Apr. 8, 2008
7341318 Circulating fluid regulated braking device for air and land vehicles 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
7249936 Dual capacity compressor Jul. 31, 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
7186100 Variable capacity rotary compressor Mar. 6, 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
7146903 Dual capacity compressor Dec. 12, 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
6962486 Variable capacity rotary compressor Nov. 8, 2005
6935853 Variable capacity rotary compressor Aug. 30, 2005
6918335 Dual capacity compressor Jul. 19, 2005
6872056 Radial piston pump for producing high fuel pressure, as well as method for operating an internal combustion engine, computer program, and control and/or regulating unit Mar. 29, 2005
6796773 Variable capacity rotary compressor Sep. 28, 2004
6790013 Variable displacement vane pump with variable target regulator Sep. 14, 2004
6755624 Dual capacity compressor Jun. 29, 2004
6609896 Device and method for reducing forces in mechanisms Aug. 26, 2003
6478548 Device for adjusting hydraulic equipment Nov. 12, 2002
6470992 Auxiliary solenoid controlled variable displacement power steering pump Oct. 29, 2002
6468045 Rotary piston pump Oct. 22, 2002

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