Patent · US Expired

Cartridge modulating valve

US3960172A · kind A · utility

5Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 14, 1975
Grant dateJun 1, 1976
Priority date
Expiry dateJan 14, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7792
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A modulating valve in a hydraulic control system of a vehicle transmission for communicating fluid under pressure to a load at a gradually increasing rate or for venting fluid under pressure at a gradually decreasing rate from the load.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.