Fuel supply system for internal combustion engines

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

1996-03-20

1998-06-16

Miller, Carl S.

Internal-combustion engines

Charge forming device

With fuel pump

123456, F02M 4100, F02M 3704

Patent

active

057655359

ABSTRACT:
A fuel supply system for an internal combustion engine in which an electrical fuel pump pumps fuel from a fuel tank to a fuel distributor and a pressure switch is connected to respond to the pressure of the fuel. The pressure switch is electrically connected to connect and disconnect electrical power supply to the fuel pump as a function of lower and upper threshold values of pressure of the pumped fuel. The pressure switch contain a storage chamber which stores fuel when the fuel pump is operative and
when the pump is disconnected, the storage chamber supplies the stored fuel to the full distributor with no back flow to the fuel tank. A pressure reducing regulator is located between the pressure switch and the fuel distributor to reduce the pressure of the fuel supplied to the distributor to a value lower than the pressure of the fuel at the pressure switch.

REFERENCES:
patent: 1404152 (1922-01-01), Rettering
patent: 1580489 (1926-04-01), Hunt
patent: 4359984 (1982-11-01), Nakao
patent: 4800859 (1989-01-01), Sagisaka
patent: 4919102 (1990-04-01), Iwabuchi
patent: 4920942 (1990-05-01), Fujimori
patent: 5133323 (1992-07-01), Treusch
patent: 5231967 (1993-08-01), Baltz
patent: 5237975 (1993-08-01), Betki
patent: 5265644 (1993-11-01), Tuckey
patent: 5337718 (1994-08-01), Tuckey
patent: 5398655 (1995-03-01), Tuckey
patent: 5509390 (1996-04-01), Tuckey

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