Title:
HYDRAULIC CONTROL DEVICE OF AUTOMATIC TRANSMISSION
Document Type and Number:
Japanese Patent JP3797041
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To necessarily and sufficiently support lubricating oil for a friction- engaging device selectively slip-controlled and to prevent power loss due to unnecessary circulation of the lubricating oil.
SOLUTION: This hydraulic control device of an automatic transmission can have a transmission state set by transferring a predetermined friction- engaging device B1 into a sliding state and the other transmission state set by transferring the predetermined friction-engaging device into an engaging state without sliding. The hydraulic control device comprises an exhausted pressure changeover mechanism 60 for supplying exhausted pressure following the other control that occurs when the predetermined transmission state is set by transferring the predetermined friction-engaging device B1 into the sliding state to a frictional surface of the predetermined friction-engaging device.
Inventors:
Shin Murakami
Masanori Otake
Hisanori Nomoto
Nobuyuki Nagashima
Mitsuhiro Umeyama
Chie Nagata
Koji Oshima
Masanori Otake
Hisanori Nomoto
Nobuyuki Nagashima
Mitsuhiro Umeyama
Chie Nagata
Koji Oshima
Application Number:
JP28864099A
Publication Date:
July 12, 2006
Filing Date:
October 08, 1999
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
B60K6/48; F16H61/00; B60K6/543; B60W10/10; B60W20/00; F16H57/05; F16H61/66; F16H61/662; (IPC1-7): F16H61/00
Domestic Patent References:
| JP11022751A | ||||
| JP7243513A | ||||
| JP61030742U | ||||
| JP61266854A | ||||
| JP59200866A | ||||
| JP9233606A | ||||
| JP11148390A | ||||
| JP11013786A | ||||
| JP8285059A | ||||
| JP9098645A |
Attorney, Agent or Firm:
Watanabe Takeshi