Title:
HIGH-PRESSURE GAS VESSEL AND GAS LEAKAGE DETERMINATION METHOD OF HIGH-PRESSURE GAS VESSEL SEAL PART
Document Type and Number:
Japanese Patent JP2014228105
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a high-pressure gas vessel which can prevent the intrusion of foreign matters into a screw part, and can prevent an excessive pressure rise of the screw part, and a gas leakage determination method of a high-pressure gas vessel seal part.SOLUTION: A high-pressure gas vessel comprises a first seal part 21 placed inside a vessel main body 11 and a second seal part 22 placed at an atmosphere side with a screw part Q sandwiched therebetween. The second seal part 22 includes an O-ring 24 which is sandwiched between an end face 12e of a mouth piece 12A and an end face 13e of a tap body part 13A which face each other, and a seal groove 12c which is formed at the end face 12e, and has a prescribed depth toward the atmosphere side from the inside. The O-ring 24 is elastically deformed toward the atmosphere side by pressure from the screw part Q, and gas in the screw part Q is discharged.
Inventors:
KATO KOICHI
TAKAKU KOICHI
ASANO MORITO
OZAKI HIROYASU
TAKAKU KOICHI
ASANO MORITO
OZAKI HIROYASU
Application Number:
JP2013110115A
Publication Date:
December 08, 2014
Filing Date:
May 24, 2013
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
F17C13/00; F16J12/00; F16J15/00; F16J15/06; F17C1/00; G01M3/26
Attorney, Agent or Firm:
Michizo Isono
Etsuo Tada
Etsuo Tada