Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/48
Name: Fluid handling > Speed responsive valve control > Acceleration responsive valve control
Description: Control systems wherein the driven means changes its position in accordance with the rate of change of speed at which it is driven.

Patents under this class:

Patent Number Title Of Patent Date Issued
8534319 Serial siphon valves for fluidic or microfluidic devices Sep. 17, 2013
8478489 Fuel vapor treatment apparatus Jul. 2, 2013
8302617 Fluid control valve Nov. 6, 2012
8082066 System for controlling valve fluid flow based on rate of change of close rate acceleration Dec. 20, 2011
7546679 High speed valve assembly Jun. 16, 2009
7317971 System for controlling fluid flow based on a valve break point Jan. 8, 2008
7107128 System for controlling fluid flow Sep. 12, 2006
6564825 Mass flow meter systems and methods May. 20, 2003
6564824 Mass flow meter systems and methods May. 20, 2003
5921265 Valve operating device Jul. 13, 1999
5279324 Anti-siphoning valve assembly and plumbing fixture including same Jan. 18, 1994
4901746 Anticipating overspeed governor Feb. 20, 1990
4284096 Automatic transmission governor having deceleration sensitive pressure switching feature Aug. 18, 1981
4077371 Fuel saving system for automobiles Mar. 7, 1978
4068635 Pressure vent Jan. 17, 1978

  Recently Added Patents
Summarization of short comments
Nonvolatile semiconductor storage device having conductive and insulative charge storage films
Crystalline form of zofenopril calcium
Node and wireless sensor network comprising the node
Key management policies for cryptographic keys
Use of LPA for encouraging pregnancy, and fertility agent
Side portion of a circular saw blade
  Randomly Featured Patents
Device for grinding tooth profiles of a rotating toothed workpiece
Clamping connection device for flanged through sections of support structures
Saponin adjuvant
Hydrazone and pyrazoline or acetosol yellow containing charge transport layer, photoconductor and electrophotographic process using the same
Heteroaryl-substituted 1,3-dihydroindol-2-one derivatives and medicaments containing them
Sorting device and its use
Room temperature-curable organopolysiloxane composition
N-Carbobenzoxy-N'-(2-nitrophenyl)-2-piperazine carboxylic acid
Shade lift apparatus