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Class Information
Number: 137/56
Name: Fluid handling > Speed responsive valve control > Centrifugal mass type (exclusive of liquid) > Rotating valve and rotating governor
Description: Control systems wherein the speed responsive means and the valve or valves are combined to comprise a continuously rotating construction.

Patents under this class:

Patent Number Title Of Patent Date Issued
7575410 Electric air pump apparatus and evaporation fuel treatment system Aug. 18, 2009
7568867 Air driven spindle assembly Aug. 4, 2009
7165567 Valve apparatus for compensating centrifugal forces Jan. 23, 2007
7051750 Governor spring bracket assembly May. 30, 2006
6164926 Variable displacement compressor Dec. 26, 2000
5398713 Centrifugal valve Mar. 21, 1995
5244005 Device for causing a drop in the pressure of high pressure oil controlling admission valves of a turbine in the event of excess speed Sep. 14, 1993
5234014 Fuel control governor Aug. 10, 1993
5221199 Lubrication oil volume control device in a scroll type compressor Jun. 22, 1993
5050631 Fluid diverging system Sep. 24, 1991
4907684 Ball drain valve for the piston space of a rotary multi-disc clutch Mar. 13, 1990
4797074 Governor device Jan. 10, 1989
4791951 Governor for hydraulically controlled automatic transmission Dec. 20, 1988
4688665 Apparatus for preventing engine stall Aug. 25, 1987
4683903 Governor valve Aug. 4, 1987
4628952 Governor valve assembly Dec. 16, 1986
4559842 Mounting setup of governor shaft Dec. 24, 1985
4543038 Sealing apparatus and method and machinery utilizing same Sep. 24, 1985
4476887 Hydraulic governor pressure generator Oct. 16, 1984
4471796 Governor valve for automatic transmissions Sep. 18, 1984
4425509 Turboflapper nozzle systems Jan. 10, 1984
4424826 Flyweight governor Jan. 10, 1984
4323093 Multiple stage fluid pressure governor having two break points Apr. 6, 1982
4318311 Centrifugally actuated valve for transmission Mar. 9, 1982
4315519 Governor hydraulic pressure supply apparatus for automatic transmissions Feb. 16, 1982
4308940 Hydraulic control for a clutch Jan. 5, 1982
4265265 Pneumatic tool governor May. 5, 1981
4259978 Hydraulic regulator for generation of a driving speed-dependent pressure Apr. 7, 1981
4238020 Centrifugal clutch with an overspeed relief valve and clutch modulation Dec. 9, 1980
4194518 Governor having ability of removing dust from working fluid in automatic transmission Mar. 25, 1980
4194520 Two stage hydraulic governor Mar. 25, 1980
4188780 Centrifugally controlled fuel system Feb. 19, 1980
4178137 Pressure regulator for a fluid pump Dec. 11, 1979
4174724 Flow valve Nov. 20, 1979
4090821 Governor device May. 23, 1978
4080977 Governor valve Mar. 28, 1978
4034870 Device for introducing a substance, particularly a pulverulent substance, from a chamber having a pressure P1, into a chamber having a pressure P2 higher than P1 Jul. 12, 1977
3974743 Fluid actuator for a rotating engageable friction device Aug. 17, 1976
3960163 Hydraulic pressure regulator Jun. 1, 1976
3943956 Hydraulic governors Mar. 16, 1976

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