Resources Contact Us Home
Browse by Category: Main > Engineering
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

  Recently Added Patents
Stable nanoemulsions for ultrasound-mediated drug delivery and imaging
Semiconductor device including insulating layer of cubic system or tetragonal system
Strongly bound carbon nanotube arrays directly grown on substrates and methods for production thereof
Methods and system for providing drug pricing information from multiple pharmacy benefit managers (PBMs)
Classifying documents using multiple classifiers
Power management implementation in an optical link
  Randomly Featured Patents
Combination padlock with horizontal locking bar
Keywords associated with document categories
Multi-media storage drawer assembly
Radiation image read-out method and apparatus
Folding hammock stand or frame
High-speed floor treating machine
Expandable arrow broadhead with spring biased sliding shaft and pointed tip
System and method for multiplexing serial links
Golf swing training device
Crank handle assembly for casement window