Patent · US Expired

Damper lock-out clutch and motor/generator cooling multiplexed control system and method for an electrically variable hybrid transmissions

US7255214B2 · kind B2 · utility

14Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 2005
Grant dateAug 14, 2007
Priority date
Expiry dateFeb 16, 2026

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H57/0412
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a multiplexed control system, employing a single solenoid valve, to selectively control the damper lock-out clutch and motor/generator cooling of an electronically variable hybrid transmission. The present invention also contemplates a method of selectively controlling damper lock-out clutch engagement and motor/generator cooling for an electrically variable hybrid transmission control.

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