Patent · US Expired

Control system

US7117881B2 · kind B2 · utility

2Cited by
7References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 2, 2004
Grant dateOct 10, 2006
Priority date
Expiry dateDec 31, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86879
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a control system, especially a hydraulic control system for a transmission, including a valve assembly, especially a directional valve assembly, designed for controlling a cooling system for a clutch and for ensuring a minimum level of pressure and suctioning function of a pump.

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