Title:
HYDRAULIC CONTROL DEVICE FOR VEHICLE POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/146263
Kind Code:
A1
Abstract:
The present invention comprises: a first layer (52) having a first oil passage (91) having a circular cross-section and opening to a first groove (19a) extending in a direction orthogonal to a first surface (19); a second layer (61) laminated on the first layer (52); and a second oil passage (82) having a circular cross-section, being formed by the first groove (19a) in the first surface (19) and a second groove (17a) in a second surface (17), and connecting to the first oil passage (91). The second groove (17a) at an end section of the second oil passage (82) connected to the first oil passage (91): has a shape whereby same gradually becomes shallow towards the end section of the second oil passage (82); and is connected so as to continue on to the first oil passage (91) in the first layer (52).
Inventors:
KIDOKORO EIKICHI (JP)
Application Number:
PCT/JP2017/007581
Publication Date:
August 31, 2017
Filing Date:
February 27, 2017
Export Citation:
Assignee:
AISIN AW CO (JP)
International Classes:
F15B11/00; F16H61/00
Foreign References:
| JP2000346003A | 2000-12-12 | |||
| JPS5278132U | 1977-06-10 | |||
| JP2011504988A | 2011-02-17 |
Attorney, Agent or Firm:
CHIKASHIMA,Kazuo (JP)
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