CONTROL DEVICE FOR LOCK-UP CLUTCH FOR VEHICLE

Title:

CONTROL DEVICE FOR LOCK-UP CLUTCH FOR VEHICLE

Document Type and Number:

Japanese Patent JPH0791533

Kind Code:

A

Abstract:

PURPOSE: To smoothly transfer a lock-up clutch from the open condition to a slip-engaging condition.

CONSTITUTION: At the time of transferring a lock-up clutch 32 from the open condition to the slip-engaging condition, lock-up control oil pressure Ps1 is temporarily raised high, and a lock-up lever valve 54 is quickly switched from OFF to ON, and thereafter, the lock-up control oil pressure Psl is adjusted so that the lock-up clutch 32 is transferred to a predetermined slip-engaging condition. Fitting force of the lock-up clutch 32, namely, a difference of the oil pressure between the fitting oil pressure Pon and the open oil pressure Poff is controlled by a lock-up control valve 66 in response to the lock-up control oil pressure Ps1.

Inventors:

NOZAKI YOSHINOBU
IWATSUKI KUNIHIRO
ANDO YASUSHI
MATSUBARA TORU
TANIGUCHI KOJI

Application Number:

JP23989593A

Publication Date:

April 04, 1995

Filing Date:

September 27, 1993

Export Citation:

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Assignee:

TOYOTA MOTOR CORP

International Classes:

F16H61/14; (IPC1-7): F16H61/14

Attorney, Agent or Firm:

Haruyuki Ikeda (2 outside)

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