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Class Information
Number: 137/565.13
Name: Fluid handling > Systems > With pump > Pumped fluid control > Fluid pressure responsive
Description:










Sub-classes under this class:

Class Number Class Name Patents
137/565.14 And pilot valve 11
137/565.15 Direct response valve 24


Patents under this class:

Patent Number Title Of Patent Date Issued
8613198 Method and apparatus for controlling compressor bleed airflow of a gas turbine engine using a butterfly valve assembly Dec. 24, 2013
8561627 Calibration of a chemical dispense system Oct. 22, 2013
8517040 Valve control of pump inlet pressure with bootstrap reservoir Aug. 27, 2013
8485222 Systems and methods for preventing oil migration Jul. 16, 2013
8297311 Controlling gas partial pressures for process optimization Oct. 30, 2012
8206123 Automated yield monitoring and control Jun. 26, 2012
8066030 Fuel conveying device Nov. 29, 2011
7958722 Valve device and secondary air supply system having the same Jun. 14, 2011
7886525 Exhaust gas purification device of internal combustion engine Feb. 15, 2011
7723700 Controlling the flow of vapors sublimated from solids May. 25, 2010
7540299 Apparatus and method for cooling a clutch of a motor vehicle Jun. 2, 2009
7032375 Secondary air supply system Apr. 25, 2006
7007708 Flow control valve Mar. 7, 2006
6844094 Gas-supplying apparatus for fuel cell Jan. 18, 2005
6834673 Pump module with pressure regulator Dec. 28, 2004
6814099 Flow regulator for water pump Nov. 9, 2004
6688320 Utility conservation control methodology within a fluid pumping system Feb. 10, 2004
6652240 Method and control system for controlling multiple throttled inlet rotary screw compressors Nov. 25, 2003
6631731 Flow regulator for water pump Oct. 14, 2003
6591851 Seal-gas valve device Jul. 15, 2003
6568426 Pressurized water supply systems May. 27, 2003
6564826 Flow regulator for water pump May. 20, 2003
6499504 Control system for controlling multiple compressors Dec. 31, 2002
6311725 Fuel supply apparatus Nov. 6, 2001
6273126 Flow regulator for water pump Aug. 14, 2001
6256802 Apparatus for injecting a reagent into a stream of rinse fluid Jul. 10, 2001
6192925 Flow regulator for water pump Feb. 27, 2001
5924448 Infinitely variable pneumatic pulsatile pump Jul. 20, 1999
5794658 High energy pump system for use in the descaling of steel Aug. 18, 1998
5675880 Descaling system for use in the manufacture of steel and corresponding method Oct. 14, 1997
5637208 Solvent pumping system for chromatography with switching-valve Jun. 10, 1997
5590675 Anti-siphon valve Jan. 7, 1997
5429095 Apparatus for supplying fuel to an engine through a diaphragm-type carburetor Jul. 4, 1995
5285759 Fuel system Feb. 15, 1994
4887628 Fluidic apparatus Dec. 19, 1989
4723571 Fluid supply apparatus Feb. 9, 1988
4380242 Method and system for distributing natural gas Apr. 19, 1983
4254797 Apparatus for producing calibration gases suitable for analytical instrumentation Mar. 10, 1981
4237926 Fluid flow shutoff valve Dec. 9, 1980
4230146 Fuel feed system Oct. 28, 1980
4161957 Leakage protective apparatus for storage containers or the like Jul. 24, 1979
4034421 Vacuum sewer system including a collecting tank Jul. 12, 1977
3937440 Metering pump and combination two-section pinch-off aspirator valve Feb. 10, 1976











 
 
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