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    • 4. 发明专利
    • Pressure regulating device
    • 压力调节装置
    • JP2011252460A
    • 2011-12-15
    • JP2010127979
    • 2010-06-03
    • Aisan Industry Co LtdToyota Motor Corpトヨタ自動車株式会社愛三工業株式会社
    • AKAGI MASANORINISHIBE HIDEAKI
    • F02M69/00F02M37/00
    • G05D16/0655F02M37/0029F02M37/0052Y10T137/7748Y10T137/7836Y10T137/7837
    • PROBLEM TO BE SOLVED: To provide a compact low-cost pressure regulating device with a simple pipe configuration that is suitable for set pressure switching.SOLUTION: A pressure regulator 20 controlling the pressure of a fuel to be supplied from a fuel pump 11 to a fuel consumption unit 1 includes: a housing 21 including a fuel introduction passage 37 and a fuel discharge passage 21d; a bulkhead-shaped pressure regulating member 22 communicating/cutting off the fuel introduction passage 37 with/from the fuel discharge passage 21d in response to the pressure of the fuel introduced therein; and a compression coil spring 27 biasing the pressure regulating member 22 in a direction of cutting off the fuel introduction passage 37 from the fuel discharge passage 21d. The fuel discharge passage 21d includes an intermediate fuel passage 31h and an inner fuel passage 32h as a plurality of discharge passages each capable of passing therethrough the fuel introduced into the fuel introduction passage 37. A cut-off valve 45 for selectively restricting the discharge of fuel from the fuel passages 31h, 32h is provided.
    • 要解决的问题:提供一种紧凑型低成本压力调节装置,其具有适于设定压力切换的简单管道构造。 控制从燃料泵11向燃料消耗单元1供给的燃料的压力的压力调节器20包括:包括燃料引入通道37和燃料排放通道21d的壳体21; 隔板状的压力调节构件22响应于其中引入的燃料的压力而与燃料排出通道21d连通/切断燃料导入通道37; 以及压缩螺旋弹簧27,该压缩螺旋弹簧27沿着从燃料排出通道21d切断燃料导入通道37的方向偏压压力调节构件22。 燃料排出通道21d包括作为多个排出通道的中间燃料通道31h和内部燃料通道32h,每个排出通道能够通过引入燃料引入通道37的燃料。一个截止阀45,用于选择性地限制 设有来自燃料通路31h,32h的燃料。 版权所有(C)2012,JPO&INPIT