Internal-combustion engines – Multiple cylinder
Patent
1976-06-18
1977-07-26
Burns, Wendell E.
Internal-combustion engines
Multiple cylinder
123 1R, 123 52M, 123 59R, 123 59PC, 123198F, 123148DS, 123DIG8, 261 41B, 261 41C, 261 41R, F02B 7508, F02M 1304, F02B 7520
Patent
active
040375714
ABSTRACT:
A multi-cylinder engine comprising at least a first cylinder group and a second cylinder group. The first cylinder group is connected to a first intake manifold having a first carburetor with a first throttle valve. The second cylinder group is connected to a second intake manifold having a second carburetor with a second throttle valve. A throttle valve control means is provided for controlling opening degrees of the first and the second throttle valves in response to an extent of depression of an accelerator pedal so that the opening degree of the first throttle valve is larger than that of the second throttle valve when the engine is operating under a partial load, and the first and the second throttle valves are fully opened when the engine is operating under a heavy load.
REFERENCES:
patent: 1318542 (1919-10-01), Chevrolet
patent: 1900470 (1933-03-01), Smith
patent: 2085818 (1937-07-01), Messinger, Jr.
patent: 2379288 (1945-06-01), Ericson
patent: 2954022 (1960-09-01), Mick
patent: 3121422 (1964-02-01), Baker
patent: 3270724 (1966-09-01), Dolza
patent: 3698371 (1972-10-01), Mitsuyama et al.
patent: 3765394 (1973-10-01), Francis
patent: 3800752 (1974-04-01), Bruderlin
patent: 3830206 (1974-08-01), Asaka et al.
Burns Wendell E.
Toyota Jidosha Kogyo Kabushiki Kaisha
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