Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/115.03
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
Description: Subject matter wherein the sensor is detecting the variation in the quantity of the fluid flowing in the main flow line in a set period of time and in response thereto the sensor controls the flow in the bypass or relief.










Sub-classes under this class:

Class Number Class Name Patents
137/115.06 Bypass or relief valve biased open 45
137/115.08 Carried choke 12
137/115.09 Choke 47
137/115.12 Flapper 4
137/115.04 Including controlling main line flow 24
137/115.07 Pilot valve operated 32
137/115.11 Venturi 10


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
4282757 Device for detecting rate of change in pressure Aug. 11, 1981
4282757 Device for detecting rate of change in pressure Aug. 11, 1981
4249558 Bypass valve Feb. 10, 1981
4243059 Method and device for determining the homogeneity of magnetic dispersions Jan. 6, 1981
4226481 Spring-loaded brake device for railway vehicles Oct. 7, 1980
4213741 Variable flow ejector Jul. 22, 1980
4185772 Condition response differential vacuum regulator and method of making the same Jan. 29, 1980
4182354 Method and apparatus for flow diversion in a high pressure fluid delivery system Jan. 8, 1980
4159025 Back flow preventer valve Jun. 26, 1979
4121610 Electrically operated proportional flow control hydraulic valve and manually operable remote control device therefor Oct. 24, 1978
4117857 Fuel control system for a prime mover Oct. 3, 1978
4000607 Fluid control valve and method Jan. 4, 1977
3978879 Control means for hydrostatic steering systems and the like Sep. 7, 1976
3945205 Secondary air control device Mar. 23, 1976

1 2










 
 
  Recently Added Patents
Printed wiring board with reinforced insulation layer and manufacturing method thereof
Integrated monitoring in problem management in service desk
Automated incorporation of expert feedback into a monitoring system
Base station apparatus and communication control method
Switch redundancy in systems with dual-star backplanes
Hydrogenolysis of ethyl acetate in alcohol separation processes
Stacked structure and stacked method for three-dimensional chip
  Randomly Featured Patents
Large area ion implantation process and apparatus
Bonding apparatus and bonding method
Sigma delta current source and LED driver
Push button switch
Device for assembling, dismantling and transporting easily bent, arc-shaped objects with folded suspension edges
Aerosol deposition in furnace atomization
Compression and decompression methods on two-dimensional image data
Front suspension for a motor vehicle
Supplier driven commerce transaction processing system and methodology
Method of extracting contour of image, method of extracting object from image, and video transmission system using the same method