Fuel supply system for internal combustion engines

Details Fuel supply system for internal combustion engines Fuel supply system for internal combustion engines

1993-10-14

1994-11-01

Miller, Carl S.

Internal-combustion engines

Charge forming device

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

123470, 123456, F02M 3704, F02M 5502

Patent

active

053599764

ABSTRACT:
In a fuel supply system for internal combustion engines, a fuel delivery pipe to which fuel injectors are mounted through respective connectors are connected to a fuel tank through a fuel piping without return piping. At least one of the connectors of the injectors is extended upwardly to open at an upper portion in the delivery pipe. A fuel pipe which is branched off from the fuel piping is provided above the delivery pipe, and the fuel pipe and the delivery pipe are connected with each other by a connecting orifice. The connecting orifice also extends upwardly to open at an upper portion in the fuel pipe. In the event that air or fuel vapor is generated in the fuel supply system, it is accumulated in the fuel pipe and then gradually introduced into the delivery pipe 1 through the connecting orifice, and rapidly purged with fuel through the extended connectors and the injectors when the injectors inject fuel into an engine.

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