Fuel injection pump for internal combustion engines

Details Fuel injection pump for internal combustion engines Fuel injection pump for internal combustion engines

1979-07-20

1981-06-16

Myhre, Charles J.

Internal-combustion engines

Charge forming device

With fuel pump

251362, 277DIG6, 277236, 417499, F02M 5902, F04B 3910

Patent

active

042730910

ABSTRACT:
A fuel injection pump for internal combustion engines is proposed in which cavitation is avoided at the sealing surface between a threaded connection element which contains the pressure valve and a securing flange of the pressure valve housing which protrudes radially outwardly therefrom. The securing flange is attached to a cylindrical portion on the end of the valve housing remote from the pressure line leading to the injection nozzle and a sealing member is fitted into an intermediate chamber between the cylindrical portion and an inner wall of the threaded connection element. This sealing member is pressed with at least one annular contact surface onto the cylindrical housing portion and with a different contact surface, axially displaced with respect to the first, is pressed against the threaded connection element. The sealing member may be embodied as a thin-walled sheet-metal sleeve, may comprise a spiral spring, or may be made of plastic.

REFERENCES:
patent: 1336738 (1920-04-01), Fletcher
patent: 2513883 (1950-07-01), Male
patent: 2670684 (1954-03-01), Fagerholt
patent: 3792834 (1974-02-01), Billeter
patent: 3918485 (1975-11-01), Weber
patent: 3971566 (1976-07-01), Levinsohn
patent: 4066269 (1978-01-01), Linne
patent: 4074908 (1978-02-01), Spencer

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