Title:
CONTROL UNIT OF LOCKUP CLUTCH FOR VEHICLE
Document Type and Number:
Japanese Patent JP2003074695
Kind Code:
A
Abstract:
To provide a control unit for a lockup clutch capable of prolonging the fuel cut time.
When the operation is made out of the decelerative slip execute minimum gearing stage in the condition that a decelerative slip control is continued with a target slip amount (NO at S13), judgement is made whether the input shaft revolving speed NT of a transmission has attained the specified down-shift judging revolving speed NT1 (S14). When the speed becomes below the specified down-shift judging revolving speed NT1 (NO at S14), a down-shift is conducted (S15), and the clutch pressure is controlled so that the engine speed NE becomes the target engine speed TNE (S16).
Inventors:
ITO TAKUYA
TAKEUCHI HIROAKI
TAKEUCHI HIROAKI
Application Number:
JP2001262011A
Publication Date:
March 12, 2003
Filing Date:
August 30, 2001
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60W10/00; B60W10/02; B60W10/06; B60W10/10; F02D29/00; F02D29/02; F02D41/12; F16H61/08; F16H61/14; F16H61/21; B60W10/04; (IPC1-7): F16H61/14; B60K41/00; B60K41/28; F02D29/00; F02D29/02; F02D41/12; F16H61/08
Domestic Patent References:
| JPH0389072A | 1991-04-15 | |||
| JPH0532869U | 1993-04-30 | |||
| JPH0811591A | 1996-01-16 | |||
| JPH02203071A | 1990-08-13 | |||
| JPH11257484A | 1999-09-21 |
Attorney, Agent or Firm:
Fukami Hisaro (5 others)