Title:
HYDRAULIC CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2022158862
Kind Code:
A
Abstract:
To reduce a cost of a hydraulic control device by selectively supplying hydraulic pressure from one pressure regulation valve to two hydraulic engagement elements, and to improve efficiency.SOLUTION: A first selector valve of a hydraulic control device permits a flow-out of oil from a second signal pressure output valve when first signal pressure is not supplied and when the first signal pressure and second signal pressure are supplied. A second selector valve permits the supply of hydraulic pressure to a second hydraulic engagement element side from a dual-use pressure regulation valve when the second signal pressure is not supplied, and permits the supply of the hydraulic pressure to a first hydraulic engagement element side from the dual-use pressure regulation valve when the second signal pressure is supplied. A third selector valve permits the supply of the hydraulic pressure or original pressure from the dual-use pressure regulation valve to the second hydraulic engagement element when the second signal pressure is not supplied, and regulates the supply of the hydraulic pressure or the original pressure from the dual-use pressure regulation valve to the second hydraulic engagement element when the second signal pressure is supplied.SELECTED DRAWING: Figure 4
Inventors:
SUGIURA HIRONORI
SUZUKI YOHEI
NISHIO SATOSHI
SUZUKI YOHEI
NISHIO SATOSHI
Application Number:
JP2021190900A
Publication Date:
October 17, 2022
Filing Date:
November 25, 2021
Export Citation:
Assignee:
AISHIN KK
International Classes:
F16H61/00
Attorney, Agent or Firm:
Aitec International Patent Office
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