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Class Information
Number: 137/47
Name: Fluid handling > Speed responsive valve control
Description: Systems including the combination of a valve or valves and an actuator therefor, the actuator including a driven means which changes its position or produces a regulating pressure which varies in accordance with the speed at which it is driven.










Sub-classes under this class:

Class Number Class Name Patents
137/48 Acceleration responsive valve control 15
137/53 Centrifugal mass type (exclusive of liquid) 16
137/50 Speed change and excess speed valve control 14
137/49 With manual valve control 4
137/51 With other condition responsive valve control 15


Patents under this class:

Patent Number Title Of Patent Date Issued
8584698 Programmable device for compressor valve Nov. 19, 2013
8467907 Automated valve with self-contained valve actuator system Jun. 18, 2013
8425863 Micro fluidic device Apr. 23, 2013
8241590 Discharge volume control method, discharge pressure control method, and microbody forming method Aug. 14, 2012
8124031 Discharge volume control method, discharge pressure control method, and microbody forming method Feb. 28, 2012
7617949 Flow volume limiting device Nov. 17, 2009
7258524 Method of regulating the flow rate of air in a rotary shaft of a turbomachine Aug. 21, 2007
6984004 Method and device for controlling solenoids Jan. 10, 2006
6814835 Apparatus and method for supplying chemicals in chemical mechanical polishing systems Nov. 9, 2004
6701223 Method and apparatus for determining optimal control settings of a pipeline Mar. 2, 2004
6175547 Positive and negative rotation gas dynamic pressure bearing, spindle motor having dynamic pressure bearing, and rotator device having spindle motor as driving source Jan. 16, 2001
6123095 Vacuum breaker with buoyant float cup Sep. 26, 2000
6010409 Venting constant velocity joint Jan. 4, 2000
5780938 Duplex encoder/decoder for alternating current systems Jul. 14, 1998
5752483 Governor arrangement May. 19, 1998
5004981 Detector device for simultaneously detecting both the direction and number of rotations of rotating member Apr. 2, 1991
4121685 Apparatus for controlling the traveling speed of a motor vehicle Oct. 24, 1978
4110974 Governor Sep. 5, 1978
4050472 Fluid valve Sep. 27, 1977
4040599 Flow control valves for liquids Aug. 9, 1977
4039043 Apparatus for controlling the traveling speed of a motor vehicle Aug. 2, 1977
4019685 Apparatus for synchronizing the speed of a material spreader or the like with the speed of a vehicle upon which it is mounted Apr. 26, 1977
3977502 Hydrodynamic drive and slipping clutch Aug. 31, 1976











 
 
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