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Class Information
Number: 137/58
Name: Fluid handling > Speed responsive valve control > Centrifugal mass type (exclusive of liquid) > With fluid servo-motor
Description: Control systems wherein the speed responsive means transmits its regulating motion to the valve or valves by means of a fluid type servo-motor mechanism.

Patents under this class:

Patent Number Title Of Patent Date Issued
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
4164234 Metering device Aug. 14, 1979
4157167 Valve actuator and pilot assembly therefor Jun. 5, 1979
4136658 Speed sensitive pressure regulator system Jan. 30, 1979
4082103 Centrifugal force hydraulic governor Apr. 4, 1978
3976389 Pressurized gas engine Aug. 24, 1976
3945199 Flyweight speed sensor Mar. 23, 1976

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