Title:
HYDRAULIC CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2021156346
Kind Code:
A
Abstract:
To make a clutch including an annular plate, a piston opposing one face of the annular plate, and a plate member opposing the other face of the annular plate accurately engaged according to a requirement, and to improve the durability of the clutch.SOLUTION: When a spool of a selector valve is held in an engagement prohibition position, a hydraulic control device supplies circulation pressure from a circulation pressure generation valve to a clutch release oil chamber via a second input port and a second output port, and a second oil path, and when the spool of the selector valve is held in an engagement permission position, hydraulic control device supplies engagement hydraulic pressure from a clutch engagement pressure generation valve to a fluid chamber of a start device via a first input port and a first output port, and a first oil path, and supplies the engagement hydraulic pressure to the clutch engagement oil chamber via the first input port and the first output port, a part of the first oil path, a fourth oil path, and a part of a third oil path.SELECTED DRAWING: Figure 2
Inventors:
HAYASHI TOSHIAKI
YAMADA KORYU
SUZUKI TOSHIYUKI
KABEYA RYO
YAMADA KORYU
SUZUKI TOSHIYUKI
KABEYA RYO
Application Number:
JP2020056525A
Publication Date:
October 07, 2021
Filing Date:
March 26, 2020
Export Citation:
Assignee:
AISHIN KK
International Classes:
F16H45/02; F16H61/14
Attorney, Agent or Firm:
Aitec International Patent Office