F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/04 (2006.01) F02M 21/02 (2006.01) F16K 31/06 (2006.01) F16K 49/00 (2006.01)
Patent
CA 2674933
A pressure reducing valve for gas has a valve mechanism. The valve mechanism has a valve body having a valve hole opened at its center and communicating with a low-pressure path and a low-pressure chamber and can be seated on a valve seat facing a valve chamber communicating with a high-pressure chamber. The valve mechanism is received in a body with the valve body connected to a pressure receiving member operating according to pressure of the low-pressure path and low-pressure chamber. The body (16) is constructed by joining body members (18, 19) having different strength.The entire portions of high-pressure paths (30, 64) are formed in the body member (18) having higher strength than the body members (19). Some of the low-pressure paths (85, 86, 94, 119) and low-pressure chambers (83, 84, 116) are formed in the body member (19), which has lower strength. The construction reduces costs of the pressure reducing valve.
La présente invention concerne une valve de réduction de pression de gaz qui comporte un mécanisme de valve. Ce mécanisme comporte un corps de valve à orifice de valve ouvert à son centre et communiquant avec un chemin et une chambre à basse pression ; il peut être assis sur une assise de valve faisant face à une chambre de valve communiquant avec une chambre à haute pression. Le mécanisme de valve est hébergé dans un corps avec le corps de valve connecté à un membre de réception de pression fonctionnant selon la pression du chemin et de la chambre à basse pression. Le corps (16) est construit en joignant des membres (18, 19) de différentes robustesses. Les portions entières de chemins à haute pression (30, 64) sont formées dans le membre (18) qui a la robustesse la plus élevée parmi eux (19). Certains des chemins à basse pression (85, 86, 94, 119) et des chambres à basse pression (83, 84, 116) sont formés dans le membre (19) qui a la robustesse la plus faible. La construction réduit les coûts de la valve de réduction de pression.
Chiba Yutaka
Nakajima Yoji
Saito Yoshio
Yamamoto Hiroaki
Keihin Corporation
Smart & Biggar
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