Title:
PRESSURE REDUCTION VALVE
Document Type and Number:
Japanese Patent JP2022077895
Kind Code:
A
Abstract:
To provide a pressure reduction valve capable of suppressing excessive deformation of a valve seat.SOLUTION: A pressure reduction valve includes a body 11 having a gas flow passage 17, a valve seat 12 arranged in the gas flow passage 17, a valve body 13 arranged on a downstream side of the valve seat 12 in the gas flow passage 17, energizing members 14 for energizing the valve seat 13 in the direction of separating from the valve seat 12, and a first seal member 15 and a second seal member 16 attached to an outer peripheral surface of the valve body 13. The valve body 13 includes a head 71 capable of seating on the valve seat 12, a body part 72 having a horizontal hole 86 opened at a position closer to the head 71 than the first seal member 15 in the valve body 13, and a vertical hole 87 communicating with a downstream side of the valve body 13 in the gas flow passage 17 and communicating with the horizontal hole 86, and a contact part 85 positioned closer to the head 71 than the horizontal hole 86. The body 11 is provided with a stopper 45 for regulating movement to an upstream side of the valve body 13 by coming into contact with the contact part 85.SELECTED DRAWING: Figure 2
Inventors:
NUMAZAKI KAZUSHI
KANEKO TETSUYA
NAKANO SATORU
TAKABAYASHI KAZUHIRO
HANEDA CHIO
KIHARA YUYA
KANEKO TETSUYA
NAKANO SATORU
TAKABAYASHI KAZUHIRO
HANEDA CHIO
KIHARA YUYA
Application Number:
JP2020188957A
Publication Date:
May 24, 2022
Filing Date:
November 12, 2020
Export Citation:
Assignee:
JTEKT CORP
International Classes:
G05D16/10; F16K17/30
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda
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