Electronically controlled type floatless carburetor

Details Electronically controlled type floatless carburetor Electronically controlled type floatless carburetor

1996-12-10

1998-08-18

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Auxiliary control of carburetor fuel metering

261 35, F02M 720

Patent

active

057945934

ABSTRACT:
An electronically controlled type floatless carburetor includes a fuel regulating chamber from which fuel is delivered to a main fuel passage including a main jet and a pilot fuel passage including a pilot jet as a main diaphragm is actuated. A main solenoid valve is disposed at the intermediate position of the main fuel passage located on the downstream side of the main jet. In addition, a pilot solenoid valve is disposed at the intermediate position of the pilot fuel passage located on the downstream side of the pilot jet. Operation of each of the main solenoid valve and the pilot solenoid valve is controlled by an electronic controlling circuit into which various parameters are inputted so as to assure that main fuel and pilot fuel are ejected in a suction passage from a main nozzle and a slow system ejection port while they are well adapted to all operational states of an engine.

REFERENCES:
patent: 4084562 (1978-04-01), Eckert
patent: 4465048 (1984-08-01), Morozumi et al.
patent: 4949692 (1990-08-01), Devine
patent: 5345912 (1994-09-01), Svensson et al.
patent: 5465698 (1995-11-01), Benholz

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