Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode
Patent
1980-07-24
1982-11-23
Cuchlinski, Jr., William A.
Internal-combustion engines
Engine speed regulator
Responsive to deceleration mode
123340, 123DIG11, 261DIG18, 261DIG19, F02D 3302
Patent
active
043599826
ABSTRACT:
A throttle valve opening controller for applying variable retarding forces against the closing force of the throttle valve at the time of quick closing thereof depending on the running condition of the engine, comprising: a diaphragm device consisting of a diaphragm which is movable in association with the throttle valve when the throttle valve opening is smaller than the specified value, a spring for urging said diaphragm with a force smaller than the closing force of the throttle valve, and a diaphragm chamber which is formed on the rear side of said diaphragm and to which atmospheric pressure or intake vacuum immediately downstream of the throttle valve is admitted; and means for varying the leak rate of the air discharged from the diaphragm chamber of said diaphragm device at the time of quick closing of the throttle valve depending on the running condition of the engine.
REFERENCES:
patent: 4060063 (1977-11-01), Hirasawa
patent: 4104337 (1978-08-01), Garcea
patent: 4142676 (1979-03-01), Hattori
patent: 4144852 (1979-03-01), Kawai et al.
patent: 4168681 (1979-09-01), Kawai et al.
Tate Takao
Yoshioka Mamoru
Cuchlinski Jr. William A.
Toyota Jidosha Kogyo Kabushiki Kaisha
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