Title:
FASTENING BOLT AND HYDRAULIC CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/220518
Kind Code:
A1
Abstract:
[Problem] To make the plates in which a hydraulic integrated circuit is formed in an automatic or stepless transmission more compact. [Solution] This channel-equipped bolt 10A has a communication channel 15 through which a hydraulic fluid can flow. The communication channel 15 has a trunk passage 16 that extends along the center of the channel-equipped bolt 10A and a lower branch passage 17B and an upper branch passage 17A that branch laterally from the trunk passage 16 and open at a side surface. When the channel-equipped bolt 10A is installed in an oil passage body 101, a lower end part of the trunk passage 16 communicates with an oil passage 111 of a third oil passage plate 104, and the lower branch passage 17B and the upper branch passage 17A respectively communicate with an oil passage 111 of a second oil passage plate 103 and the oil passage 111 of the third oil passage plate 104.
Inventors:
KANAMORI KAZUHIRO (JP)
Application Number:
PCT/JP2020/018470
Publication Date:
November 04, 2021
Filing Date:
May 01, 2020
Export Citation:
Assignee:
TAIHEIYO KOGYO KK (JP)
International Classes:
F15B11/00
Foreign References:
| JP2000346003A | 2000-12-12 | |||
| JPS5725202U | 1982-02-09 | |||
| JP2000055158A | 2000-02-22 | |||
| JP2019158123A | 2019-09-19 | |||
| JP2017180759A | 2017-10-05 |
Other References:
See also references of EP 3933211A4
Attorney, Agent or Firm:
MATSUURA Hiroshi et al. (JP)
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