Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/115.17
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Pressure responsive > Bypass or relief valve biased open > Increasing pressure progressively closes then reopens by-pass or relief valve
Description: Subject matter wherein the increase in the fluid pressure progressively closes the bypass or relief valve and reopens at still higher pressure.










Patents under this class:

Patent Number Title Of Patent Date Issued
8156742 Fuel-injection device in a turbomachine Apr. 17, 2012
7334597 Liquid/vapor bypass valve Feb. 26, 2008
5718255 Flow-responsive diverting valve Feb. 17, 1998
5263508 Sewer line water trap charging valve with improved adjustment for house line pressure changes Nov. 23, 1993
5215444 System for controlling oil viscosity and cleanliness Jun. 1, 1993
5058618 Relief valve for hydraulic fluid Oct. 22, 1991
4543977 Valves Oct. 1, 1985
4446882 Solenoid-operated valve means for hydraulic systems May. 8, 1984
4445527 Valve extension May. 1, 1984
4441629 Compressed gas powered caulking gun Apr. 10, 1984
4332134 Hydrostatic transmission bleed-off valve Jun. 1, 1982
4282757 Device for detecting rate of change in pressure Aug. 11, 1981
4282757 Device for detecting rate of change in pressure Aug. 11, 1981
4273151 In-line relief valve Jun. 16, 1981
4006805 Clutches with bypass inching valve Feb. 8, 1977











 
 
  Recently Added Patents
Control strategies for a multi-mode drive system
Press nut
Systems and related methods of user-guided searching
Systems and methods for excluding undesirable network transactions
Efficient file system metadata scanning using scoped snapshots
High performance actuator motor
Lighting apparatus
  Randomly Featured Patents
Versatile measurement device for three dimensions
Combination radial and thrust magnetic bearing
Trash container cabinet
Expendable virtual vertical sensing array
Hands free cellular phone with extendable earpiece
Sensor for measuring physical dimensions and process for balancing the sensor
Porous anode bodies comprising niobium suboxide and capacitors containing such anode bodies
Substituted aryl and heteroaryl derivatives, their production and their use as medicines
Method of detecting malignancy of nasopharyngeal carcinoma and a nasopharyngeal carcinoma malignancy biomarker
Adjustment strap