High-pressure fuel pump for fuel system of internal combustion engine

• Main Authors: MATTES, AMOS, GRUSCHWITZ HEIKO, HAUG MARTIN, TEIKE GERD
• Format: Patent
• Language: Chinese; English
• Published: 08.07.2022
• Subjects: BLASTING; COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

The invention relates to a high-pressure fuel pump for a fuel system of an internal combustion engine, comprising a pump housing, an outlet check valve (20) arranged in the pump housing, the outlet check valve (20) comprises a valve seat element (30), a valve element (32), a stop element (34) for the valve element (32) and a plurality of guide webs (56) which extend in the axial direction and are spaced apart from one another when viewed in the circumferential direction, the guide webs (56) guide the valve element (32) in the radial direction and are either integrally formed with the valve seat element (30) or integrally formed with the stop element (34), characterized in that adjacent guide webs (56) are connected to one another at the ends protruding from the valve seat element (30) or from the stop element (34) by connecting sections (60). 本发明涉及一种用于内燃机的燃料系统的燃料高压泵，所述燃料高压泵具有泵壳体、布置在所述泵壳体中的出口止回阀(20)，其中，所述出口止回阀(20)包括阀座元件(30)、阀元件(32)、用于所述阀元件(32)的止挡元件(34)和多个在轴向方向上延伸的并且在周向方向上观察彼此间隔开的引导腹板(56)，所述引导腹板在径向方向上引导所述阀元件(32