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    • 11. 发明申请
    • Marine vapor separator with bypass line
    • 带旁路管路的海洋蒸汽分离器
    • US20060048757A1
    • 2006-03-09
    • US10933748
    • 2004-09-03
    • Richard Harvey
    • Richard Harvey
    • F02M37/20
    • F02M37/0047F02B61/04F02M37/007F02M37/20F02M55/002F02M63/0225
    • In a fuel supply system, liquid fuel is supplied to a marine engine from a fuel tank (10). The fuel first passes through a water filter (14), a lift pump (18) and is temporarily deposited in a vapor separator (20) where vapors given off from the fuel are collected and vented. A high pressure pump (30) withdraws liquid fuel from the vapor separator (200 and delivers it under pressure to an engine injector system (36) via a fuel delivery line (34). The fuel pressure between the high pressure pump (30) and the engine injector system (36) is monitored to determine whether the engine injector system (36) is being presented with more fuel than is required for efficient engine operation. If more fuel than needed is being supplied by the high pressure pump (30), the unneeded fuel is returned to the vapor separator (20) through a bypass line (40). A pressure regulator (42) along the bypass line (40) prevents the return of fuel to the vapor separator (20) when the pressure differential between the vapor separator (20) and the fuel being delivered to the engine injector system (36) reaches a predetermined value. The bypass line (40) comprises a short path from the fuel delivery line (34) and returns fuel back into the vapor separator (20) without traversing large spaces. The water filter (14), lift pump (18), vapor separator (20), high pressure pump (30), by-pass line (40) and pressure regulator (42) are contained as an integral unit (46).
    • 在燃料供给系统中,液体燃料从燃料箱(10)供给到船用发动机。 燃料首先通过水过滤器(14),提升泵(18)并临时沉积在蒸汽分离器(20)中,其中从燃料排出的蒸气被收集并排放。 高压泵(30)从蒸气分离器(200)中取出液体燃料,并通过燃料输送管线(34)在压力下将其输送到发动机喷射器系统(36),高压泵(30)和 监测发动机喷射器系统(36)以确定发动机喷射器系统(36)是否具有比有效发动机操作所需要的燃料更多的燃料,如果高压泵(30)供应的燃料比需要更多, 不需要的燃料通过旁通管线(40)返回到蒸气分离器(20),沿着旁路管线(40)的压力调节器(42)防止燃料返回到蒸气分离器(20),当压力 蒸汽分离器(20)和被输送到发动机喷射器系统(36)的燃料达到预定值,旁路管线(40)包括从燃料输送管线(34)的短路径并将燃料返回到蒸气分离器 ( 20)没有遍历大空间。 包含水过滤器(14),提升泵(18),蒸汽分离器(20),高压泵(30),旁通管线(40)和压力调节器(42)。