Patent · US Expired

Vent reservoir in a fluid system of an automatic transmission system

US4887512A · kind A · utility

2Cited by
35References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 1988
Grant dateDec 19, 1989
Priority date
Expiry dateApr 29, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/3003
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A system which provides a vent reservoir to maintain a fluid level above the vent of the solenoid-actuated valves which ensures that the fluid passages are filled with fluid to provide rapid hydraulic response of the fluid system while allowing trapped air to automatically escape or vent.

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