Internal-combustion engines – Combustion chamber means combined with air-fuel mixture... – Air or combustible mixture entering the combustion chamber...
Patent
1983-01-07
1984-09-11
Lazarus, Ira S.
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
Air or combustible mixture entering the combustion chamber...
123559, F02B 2900
Patent
active
044703945
ABSTRACT:
A supercharged internal combustion engine comprising a combustion chamber of which volume cyclically changes in response to a rotation of the engine to conduct engine operating strokes including an intake and compression strokes, an intake system for supplying intake gas to the combustion chamber. The intake system includes a main intake passage having one end connected with the combustion chamber to have the intake gas therein taken into the combustion chamber under a suction pressure prevailing in the combustion chamber, a main throttle valve provided in the main intake passage, an auxiliary intake passage having one end connected with the combustion chamber, a supercharger provided in the auxiliary intake passage for providing a supply of supercharging gas to the combustion chamber, an auxiliary throttle valve provided in the auxiliary intake passage downstream of the supercharger, a timing valve provided in the auxiliary intake passage downstream of the auxiliary throttle valve, a valve operating device for operating the timing valve in response to the rotation of the engine, an engine load sensor for detecting engine load, a valve timing control device for controlling opening timing of the timing valve so that the timing valve is opened at least in a beginning period of the compression stroke, the valve timing control device is so designed that the opening timing is advanced in response to a decrease in the engine load.
REFERENCES:
patent: 1578581 (1926-03-01), Casna
patent: 4315489 (1982-02-01), Tadokoro et al.
patent: 4426985 (1984-01-01), Kanesaka
Matsuda Ikuo
Okimoto Haruo
Tadokoro Tomoo
Bailey R. S.
Lazarus Ira S.
Toyo Kogyo Co. Ltd.
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