Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/115.11
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Flow rate responsive > Venturi
Description: Subject matter wherein the sensor includes a device which is a part of the main flow passage having a cross section of the part gradually constricted to a throat between two ends of the part and gradually expanded from the throat to the cross section of the passage.

Patents under this class:

Patent Number Title Of Patent Date Issued
6857444 Flow-actuated trapped-pressure unloader valve Feb. 22, 2005
5819778 Flow control device of power steering system Oct. 13, 1998
5819777 Flow control device Oct. 13, 1998
5775361 Method and apparatus for enhancing stability in hydraulic flow control Jul. 7, 1998
5718255 Flow-responsive diverting valve Feb. 17, 1998
5694966 Flow responsive pressure regulating unloader Dec. 9, 1997
4300587 Relief valve Nov. 17, 1981
4251193 Flow control valve Feb. 17, 1981
3957075 Flow-sensitive pressure limiting valve for hydraulic equipment May. 18, 1976
3946562 Hydraulic system cavitation suppressor Mar. 30, 1976

  Recently Added Patents
EpCAM as a reprogramming factor for non-pluripotent cells
Policy based cryptographic application programming interface in secure memory
Method and system for providing geohazard information to customers
Method and apparatus for re-routing calls in a packet network during failures
Method and system for coordinating client and host security modules
Generating compiled code that indicates register liveness
Method and apparatus for complementing an instrument panel by utilizing augmented reality
  Randomly Featured Patents
Process for reducing the harmful components in exhaust gas and engine implementing the process
Method for manufacturing a dome from an undersized blank
Conductive fluoro-resin compositions
Branched multimeric Apo A-I agonist compounds
Mike 4001 design of the stator of electrical motor and generator
Apparatus and method for controlling frequency of an I/O clock for an integrated circuit during test
Monomethylvaline compounds capable of conjugation to ligands
Two stage inflation system
Power supply with replaceable high-voltage bushing
Methods for measuring therapy resistance