Patent · US Expired

Device for controlling a lock-up clutch in an automatic transmission

US4095486A · kind A · utility

33Cited by
5References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 9, 1976
Grant dateJun 20, 1978
Priority date
Expiry dateJul 9, 1996

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H61/14
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A device for controlling a lock-up clutch incorporated in an automatic transmission together with a torque converter, wherein engagement and disengagement of the lock-up clutch are controlled by utilizing transitional variation characteristic of the oil pressure supplied to oil pressure servo means incorporated in the transmission.

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