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    • 2. 发明专利
    • Pressure-reducing valve for gas
    • 减压阀用于气体
    • JP2008180312A
    • 2008-08-07
    • JP2007015033
    • 2007-01-25
    • Keihin Corp株式会社ケーヒン
    • YAMAMOTO HIROAKINAKAJIMA YOJISAITO YOSHIOCHIBA YUTAKA
    • F16K17/04F02M21/02F16K31/06F16K49/00
    • F02M21/0239F02M21/0233G05D16/0663Y02T10/32Y10T137/6579Y10T137/6606Y10T137/7757Y10T137/7809Y10T137/7823Y10T137/7825
    • PROBLEM TO BE SOLVED: To reduce cost in a gas pressure-reducing valve in which a valve mechanism having a valve element with a valve hole communication with a low-pressure passage and a low-pressure chamber opened to the center and allowed to sit on a valve seat facing a valve chamber communicating with a high-pressure passage is stored in the body with the valve element connected to a pressure receiving member operated according to the pressures in the low-pressure passage and the low-pressure chamber. SOLUTION: The body 16 is formed by joining body members 18, 19 with different strengths to each other. All of the high-pressure passages 30, 64 are formed in the body member 18 with high strength among the body members 18, 19. At least a part of the low-pressure passages 85, 86, 94, 119 and the low-pressure chambers 83, 84, 116 is formed in the body member 19 with low strength among the body members 18, 19. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了降低气体减压阀中的成本,其中具有与具有阀孔的阀元件的阀机构的成本与具有与中心开口的低压通道和低压室连通​​的阀孔允许 坐在面向与高压通道连通的阀室的阀座上存储有阀元件,该阀元件连接到根据低压通道和低压室中的压力操作的受压部件。 解决方案:主体16通过将具有不同强度的主体部件18,19彼此连接而形成。 所有的高压通道30,64在主体部件18,19中以高强度形成在主体部件18中。至少一部分低压通道85,86,94,119和低压通道 腔体83,84,116在主体部件18,19中以低强度形成在主体部件19中。版权所有(C)2008,JPO&INPIT