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    • 3. 发明授权
    • Fuel injection valve
    • 燃油喷射阀
    • US5613640A
    • 1997-03-25
    • US518387
    • 1995-08-15
    • Yuji FuruyaKenichi IinoHitoshi Okuyama
    • Yuji FuruyaKenichi IinoHitoshi Okuyama
    • F02M51/06F02M61/16F02M51/00
    • F02M61/161F02M51/0671F02M51/0678F02M61/163F02M61/168
    • A valve seat member is fixedly received in a lower end portion of an elongated body. The valve seat member has a valve seat and an injection port at its lower end portion. A valve element is axially movably received in the body. The valve element is fully lifted from a position where a valve portion formed on the lower end of the valve element sits on the valve seat to a position where an upper end portion of the valve element is brought into abutment with a stopper of the body. This fully lifted amount is determined by the thickness of a shim interposed between a first receiving surface of the body and a second receiving surface of the valve seat member. The lower end portion of the body and the valve seat member are welded over the entire periphery.
    • 阀座构件固定地容纳在细长体的下端部。 阀座构件在其下端部具有阀座和注入口。 轴向可移动地容纳在阀体中的阀元件。 阀元件从形成在阀元件的下端上的阀部分位于阀座上的位置完全提升到阀元件的上端部与本体的止动件抵接的位置。 该完全提升量由插入在主体的第一容纳表面和阀座构件的第二容纳表面之间的垫片的厚度确定。 主体的下端部和阀座部件在整个周边焊接。
    • 6. 发明授权
    • Swirl type fuel injection valve
    • 涡流型燃油喷射阀
    • US5785257A
    • 1998-07-28
    • US507947
    • 1995-07-27
    • Yuji FuruyaKenichi IinoHitoshi Okuyama
    • Yuji FuruyaKenichi IinoHitoshi Okuyama
    • F02M29/00F02M51/06F02M51/08F02M61/16F02M61/18F02M51/00
    • F02M61/163F02M51/0671F02M61/18
    • A guide hole extending axially, a valve seat and an injection port are coaxially formed on an elongated valve body in this order toward a distal end of the valve body. A pressurized fuel is introduced into a basal end of the guide hole. A valve element is slidably received in the guide hole of the valve body. Inclined passages are formed in one of the valve element and the valve body. When the valve element is lifted, the pressurized fuel flows, as a swirling current, between a valve portion and the valve seat, proceeds toward an exit of the injection port while swirling along an inner peripheral surface of the injection port, and is injected from the injection port. When the valve element is in the fully lifted position, an orifice for restricting an amount of fuel injected from the injection port per unit time is formed between the valve portion and the valve seat.
    • 轴向延伸的导向孔,阀座和注射口同时同轴地形成在细长阀体上,朝向阀体的远端。 加压燃料被引入引导孔的基端。 阀元件可滑动地容纳在阀体的引导孔中。 倾斜通道形成在阀元件和阀体之一中。 当阀元件被提升时,加压燃料作为旋转电流在阀部分和阀座之间流动,沿着喷射口的内周表面旋转,朝向喷射口的出口流动,并从喷射口的内周表面喷射 注射口。 当阀元件处于完全提升位置时,在阀部分和阀座之间形成用于限制从喷射口喷射的燃料量的单位时间的孔。