Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/54
Name: Fluid handling > Speed responsive valve control > Centrifugal mass type (exclusive of liquid) > With multiple valves
Description: Control systems wherein two or more valves are provided, at least one of said valves being actuated by the speed responsive means.

Patents under this class:

Patent Number Title Of Patent Date Issued
5398713 Centrifugal valve Mar. 21, 1995
4628952 Governor valve assembly Dec. 16, 1986
4570691 Tire pressure regulation system Feb. 18, 1986
4465443 Pneumatic power tool with speed governor and overspeed safety device Aug. 14, 1984
4424826 Flyweight governor Jan. 10, 1984
4417884 Centrifuge timer clamp Nov. 29, 1983
4284096 Automatic transmission governor having deceleration sensitive pressure switching feature Aug. 18, 1981
4259978 Hydraulic regulator for generation of a driving speed-dependent pressure Apr. 7, 1981
4194518 Governor having ability of removing dust from working fluid in automatic transmission Mar. 25, 1980
4194520 Two stage hydraulic governor Mar. 25, 1980
4181138 Governor valve assembly for automatic transmission units Jan. 1, 1980
4164235 Governor for controlling hydraulic transmission Aug. 14, 1979
4082103 Centrifugal force hydraulic governor Apr. 4, 1978
4033368 Governor pressure control apparatus for vehicle automatic transmission Jul. 5, 1977
3939856 Rotational speed responsive type fluid pressure signal control valve Feb. 24, 1976

  Recently Added Patents
DL control channel structure enhancement
Methods and apparatus for processing audio signals
Drug delivery system
Metal foil laminate, substrate for mounting LED, and light source device
Method and apparatus for optimizing paging in a communication network
Isolated SCR ESD device
Rose plant named `ESM R044`
  Randomly Featured Patents
Cutter assembly for broaching
Light emitting diode
Method of making alumina-doped silica optical fibers
Method and apparatus for determining the coefficient of internal friction of steel or the like
Semiconductor device and method of manufacturing the same
Rock bit cutter retainer with differentially pitched threads
Recreation vehicle ramp door spring arrangement
Classifying and controlling encoding quality for textured, dark smooth and smooth video content
Preparation of polytetrahydrofuran
Combined positron emission tomography and magnetic resonance tomography unit