Pumps – Including separate port on noncyclic valve for venting or...
Patent
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
Blackmon Robert N.
Pierburg GmbH
Smith Leonard E.
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