Fuel pump having a pressure chamber vented via a ball valve to t

Details Fuel pump having a pressure chamber vented via a ball valve to t Fuel pump having a pressure chamber vented via a ball valve to t

1989-02-06

1990-07-10

Smith, Leonard E.

Pumps

Including separate port on noncyclic valve for venting or...

123516, 417306, F04B 4302

Patent

active

049403974

ABSTRACT:
A fuel pump includes a connecting pipe having an open end disposed at the lowest point in a pressure chamber supplied with fuel by a pressure valve. The connecting pipe is connected to a mixture-former and the pressure chamber has in its upper region a ball valve with a return line which leads to a fuel tank. The pressure chamber can have a cavity establishing the lowest region thereof, the open end of the connecting size being disposed in the cavity. A filter can surround the lower end of the pipe to filter the fuel supplied thereto.

REFERENCES:
patent: 3212449 (1965-10-01), Whalen et al.
patent: 4635694 (1986-02-01), Adey et al.
patent: 4776771 (1988-10-01), Kern

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