Method and apparatus for control of engine idling circuit

Details Method and apparatus for control of engine idling circuit Method and apparatus for control of engine idling circuit

1987-07-09

1989-06-13

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Idle speed control

123438, 261 415, 261DIG74, F02M 3045, F02M 300

Patent

active

048382248

ABSTRACT:
A method and apparatus for controlling the idle circuit of a carbureted engine is disclosed. The apparatus includes a solenoid valve for blocking the idle circuit of a carburetor when engine speed exceeds a preset limit. Electronic circuits are disclosed to respond to engine speed and to activate the solenoid valve. The method disclosed involves interrupting the carburetor's idle circuit when engine speed exceeds a preset limit. In this fashion, fuel is conserved and air pollution is reduced.

REFERENCES:
patent: 3554173 (1971-01-01), Masaki et al.
patent: 4198356 (1980-04-01), Takimoto
patent: 4217313 (1980-08-01), Dmitrievsky et al.
patent: 4268462 (1981-05-01), Ota et al.
patent: 4454080 (1984-06-01), Acosta
patent: 4630581 (1986-12-01), Shibata
patent: 4630585 (1986-12-01), Maraux
patent: 4674460 (1987-06-01), Asmus

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