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热词
    • 1. 发明授权
    • High-pressure pump, in particular for a fuel injection apparatus of an internal combustion engine
    • 高压泵,特别是用于内燃机的燃料喷射装置
    • US08272856B2
    • 2012-09-25
    • US12096689
    • 2006-11-15
    • Walter FuchsAndreas DuttJochen AlekerArnold GenteAngelo Santamari
    • Walter FuchsAndreas DuttJochen AlekerArnold GenteAngelo Santamari
    • F04B47/00
    • F02M59/464Y10T137/7911Y10T137/7928
    • The high-pressure pump has at least one pump element which has a pump plunger which is driven in a reciprocating motion and defines a pump working space into which fuel is drawn in from a fuel feed via an inlet valve during the suction stroke of the pump plunger and from which fuel is displaced into a high-pressure region via an outlet valve during the delivery stroke of the pump plunger. The inlet valve and/or the outlet valve has a valve member at least approximately in the shape of a ball which acts as a sealing surface with a valve seat arranged in a valve housing. The valve member, in its open state, is lifted with its sealing surface from the valve seat, a first cross section of flow is cleared between the valve member and the valve seat, and downstream of the first cross section of flow, a second cross section of flow is formed between the valve member and the valve housing. In the direction of flow between the first cross section of flow and the second cross section of flow, a third cross section of flow is formed between the valve member and the valve housing, said third cross section of flow being larger than the first cross section of flow and the second cross section of flow.
    • 所述高压泵具有至少一个泵元件,所述泵元件具有泵柱塞,所述泵柱塞以往复运动的方式被驱动,并且限定了泵的工作空间,在所述泵的吸入冲程期间,通过进气阀从燃料供给口吸入燃料 柱塞,并且在泵柱塞的输送冲程期间,燃料通过出口阀移动到高压区域。 入口阀和/或出口阀具有至少大致为球形的阀构件,该阀构件用作具有设置在阀壳体中的阀座的密封表面。 处于其打开状态的阀构件以其阀座的密封表面提升,在阀构件和阀座之间以及在第一横截面的下游清除第一横截面的流动,第二横截面 在阀构件和阀壳体之间形成流动部分。 在流动的第一横截面和第二横截面之间的流动方向上,在阀构件和阀壳体之间形成第三流动横截面,所述第三横截面积大于第一横截面 的流量和第二横截面的流量。
    • 2. 发明申请
    • High-Pressure Pump, in Particular for a Fuel Injection Apparatus of an Internal Combustion Engine
    • 高压泵,特别是内燃机燃油喷射装置
    • US20080279707A1
    • 2008-11-13
    • US12096689
    • 2006-11-15
    • Walter FuchsAndreas DuttJochen AlekerArnold GenteAngelo Santamaria
    • Walter FuchsAndreas DuttJochen AlekerArnold GenteAngelo Santamaria
    • F02M59/46
    • F02M59/464Y10T137/7911Y10T137/7928
    • The high-pressure pump has at least one pump element which has a pump plunger which is driven in a reciprocating motion and defines a pump working space into which fuel is drawn in from a fuel feed via an inlet valve during the suction stroke of the pump plunger and from which fuel is displaced into a high-pressure region via an outlet valve during the delivery stroke of the pump plunger. The inlet valve and/or the outlet valve has a valve member at least approximately in the shape of a ball which interacts by means of a sealing surface with a valve seat arranged in a valve housing. By means of the valve member, in the open state, when said valve member is lifted with its sealing surface from the valve seat, a first cross section of flow is cleared between the valve member and the valve seat, and downstream of the first cross section of flow, a second cross section of flow is formed between the valve member and the valve housing. In the direction of flow between the first cross section of flow and the second cross section of flow, a third cross section of flow is formed between the valve member and the valve housing, said third cross section of flow being larger than the first cross section of flow and the second cross section of flow.
    • 所述高压泵具有至少一个泵元件,所述泵元件具有泵柱塞,所述泵柱塞以往复运动的方式被驱动,并且限定了泵的工作空间,在所述泵的吸入冲程期间,通过进气阀从燃料供给口吸入燃料 柱塞,并且在泵柱塞的输送冲程期间,燃料通过出口阀移动到高压区域。 入口阀和/或出口阀具有至少大致为球形的阀构件,该阀构件通过密封表面与布置在阀壳体中的阀座相互作用。 通过阀构件,在打开状态下,当所述阀构件以其阀座的密封表面提升时,在阀构件和阀座之间以及在第一十字的下游清除第一横截面的流动 在阀构件和阀壳体之间形成有流动的第二横截面。 在流动的第一横截面和第二横截面之间的流动方向上,在阀构件和阀壳体之间形成第三流动横截面,所述第三横截面积大于第一横截面 的流量和第二横截面的流量。