Patent · US Expired

Adjustable fully automatic vacuum modulator control for automatic transmission having a vacuum modulator

US4621544A · kind A · utility

14Cited by
11References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 28, 1984
Grant dateNov 11, 1986
Priority date
Expiry dateJun 28, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7781
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An adjustable fully automatic vacuum modulator control, for use in vehicles having automatic transmission with a vacuum modulator includes a cylinder which contains a slidable piston and front face having an adjustable stop to regulate the vacuum flow. Three ports communicate with the interior of the cylinder and the position of the piston changes during conditions of acceleration and deceleration.

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