Device for delivering fuel from a fuel tank to the internal comb

Details Device for delivering fuel from a fuel tank to the internal comb Device for delivering fuel from a fuel tank to the internal comb

1995-05-19

1996-10-15

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

F02M 3704, F04F 500

Patent

active

055643973

ABSTRACT:
Arranged in the fuel tank is a reservoir into which fuel is pumped by a jet pump connected to a return line from the internal combustion engine. The jet pump has a jet nozzle which is arranged in a holder formed on the reservoir. Between its inlet opening and the propulsion-nozzle opening, the jet nozzle has a bypass opening which is connected to a stub projecting into the reservoir. At its end, the stub is provided with a seat which can be closed by a closing element. Arranged in the reservoir is a leaf spring which is fixed at one end and which presses the closing element onto the seat. Together with the closing element, the bypass opening forms a bypass valve which allows fuel to flow out of the jet nozzle if a certain pressure is exceeded.

REFERENCES:
patent: 4503885 (1985-03-01), Hall
patent: 4834132 (1989-05-01), Sasaki et al.
patent: 4838307 (1989-06-01), Sasaki et al.
patent: 4860714 (1989-08-01), Bucci
patent: 4911134 (1990-03-01), Olsson
patent: 4926829 (1990-05-01), Tuckey
patent: 5133324 (1992-07-01), Michiaki
patent: 5396872 (1995-03-01), Ruger et al.
patent: 5452701 (1995-09-01), Tuckey

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