Title:
VALVE GEAR
Document Type and Number:
Japanese Patent JP2019190516
Kind Code:
A
Abstract:
To provide a valve gear having a seal structure which can suppress a gas circulating in the gear from affecting the stiffness of the gear.SOLUTION: A valve gear comprises: a body 4 having a gas flow passage for making the inside and outside of a gas tank communicate with each other; a supply-side joint 6 attached to the body 4, and connecting piping to the gas flow passage; a check valve for suppressing a gas in the gas tank from recirculating toward the supply-side joint 6 from the gas flow passage; and a valve seat fixing member 30 having a communication hole 30b, and formed with a male screw 30a at an external peripheral face. An attachment hole 21 attached with the supply-side joint 6 and the valve seat fixing member 30, being the attachment hole 21 in which a female screw 23a screwed with the male screw 30a of the valve seat fixing member 30 is formed at an internal peripheral face is formed at the body 4. A seal member 70 is arranged between the supply-side joint 6 and the valve seat fixing member 30, and an external peripheral edge of the seal member 70 is located inside a radial direction rather than screwing portions of the female screw 23a and the male screw 30a.SELECTED DRAWING: Figure 4
Inventors:
SUZUKI TAKUYA
OKAMURA KAZUKI
YAMAZAKI TAKASHI
SHIMA TOSHIHIKO
NUMAZAKI KAZUSHI
SAKAMOTO NAOHIRO
NAKAMURA AKIO
KIDA KOJI
OKAMURA KAZUKI
YAMAZAKI TAKASHI
SHIMA TOSHIHIKO
NUMAZAKI KAZUSHI
SAKAMOTO NAOHIRO
NAKAMURA AKIO
KIDA KOJI
Application Number:
JP2018081522A
Publication Date:
October 31, 2019
Filing Date:
April 20, 2018
Export Citation:
Assignee:
JTEKT CORP
TOYOTA MOTOR CORP
TOYOTA MOTOR CORP
International Classes:
F16K27/00; F16K15/06; F16K47/10; F17C13/04; H01M8/04
Domestic Patent References:
| JP2016084904A | 2016-05-19 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda