Internal-combustion engines – Multiple cylinder
Patent
1979-07-19
1980-12-23
Argenbright, Tony M.
Internal-combustion engines
Multiple cylinder
123 52MB, 123188M, 123308, 123432, 123442, F02B 2902, F02B 3100
Patent
active
042403871
ABSTRACT:
A multi-cylinder engine comprising a carburetor housing forming therein at least two branch mixture passages. Each of the branch mixture passages is connected to a respective intake port. A throttle valve of the carburetor is provided for each cylinder. Each of the throttle valves is arranged in the respective branch mixture passage and attached onto a common throttle shaft. A wedge shaped groove is formed on the upper inner wall of each of the branch mixture passages, and the common throttle shaft is arranged in the wedge shaped groove for causing the mixture to flow only along the bottom wall of the branch mixture passage. A single common connecting passage and branch connecting passages which are connected to the common connecting passage are provided. Each of the branch connecting passages opens into the respective intake port in the vicinity of the rear face of the valve head of the corresponding intake valve.
REFERENCES:
patent: 1727265 (1929-09-01), Aseltine
patent: 1856736 (1932-05-01), Teeter
patent: 2105780 (1938-01-01), Davis
patent: 3505983 (1970-04-01), Hartel
Motosugi Katsuhiko
Takahashi Hiroshi
Tanahashi Toshio
Toyoda Shuhei
Argenbright Tony M.
Toyota Jidosha Kogyo Kabushiki Kaisha
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