Patent · US Expired

Linear solenoid valve apparatus and method assembling

US5197507A · kind A · utility

24Cited by
3References
6Claims
0Family size

Assignees

Inventors

Key dates

Filing dateNov 5, 1991
Grant dateMar 30, 1993
Priority date
Expiry dateNov 5, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86622
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A linear solenoid valve apparatus includes an electromagnetic valve, a modulator valve with a valve sleeve, valve spool, a spring biasing the spool, a feedback pressure chamber, and an adjusting means provided between the electromagnetic valve and the modulator valve so that the plunger position corresponding to the value of suction power coincides with the spool position.

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