公开(公告)号：US20180299042A1

公开(公告)日：2018-10-18

申请号：US15566367

申请日：2016-03-25

Applicant: FUJIKIN INCORPORATED ,  TOKYO ELECTRON LIMITED

Inventor： Keisuke ISHIBASHI ,  Tadayuki YAKUSHIJIN ,  Tsuyoshi TANIKAWA ,  Michio YAMAJI ,  Tsuneyuki OKABE

IPC: F16L15/04 ,  F16J15/08

Abstract: A gasket includes a thick portion providing a first face seal and a thin portion providing a second face seal. A fluid coupling has an annular gasket housing recess that includes a wide portion for housing the thick portion of the gasket and a narrow portion for housing the thin portion of the gasket.

公开(公告)号：US20200018519A1

公开(公告)日：2020-01-16

申请号：US16583525

申请日：2019-09-26

Applicant: FUJIKIN INCORPORATED

Inventor： Tsuneyuki OKABE ,  Toshiyuki INADA ,  Taiji CHIBA ,  Tatsuhiko SATO ,  Michio YAMAJI ,  Tadayuki YAKUSHIJIN

IPC: F24H1/10 ,  F24H1/16 ,  H05B3/42

Abstract: A fluid heater includes: a passage member having a passage formed therein; a heater for heating the passage member; a fixing member for fixing the passage member to a fluid control device; and a connection member connected to the passage member so as to allow fluid to flow into the passage member. The passage has a helical shape.

公开(公告)号：US20230024126A1

公开(公告)日：2023-01-26

申请号：US17797862

申请日：2021-03-08

Applicant: FUJIKIN INCORPORATED

Inventor： Akihiro HARADA ,  Tomohiro NAKATA ,  Tsuneyuki OKABE ,  Yuya SHINDO

IPC: F16L19/02 ,  F16J15/08 ,  F16L23/036 ,  F16L23/16

Abstract: A pipe joint includes first and second sleeves having fluid flow paths communicating with each other; an annular gasket interposed between abutting end surfaces of the sleeves; a male screw member having a through hole into which the first sleeve is inserted; and a female screw member having a through hole into which the second sleeve is inserted, the sleeves being joined by screwing the male screw member with the female screw member, wherein the pipe joint has a leak port opened at a portion of the outer peripheral surface of the male screw member not covered by the female screw member and communicates with a gap between the male screw member and the first sleeve to detect a leak fluid leaked from gaps between the sleeves and the gasket.