Intake system of a multi-cylinder internal combustion engine

Details Intake system of a multi-cylinder internal combustion engine Intake system of a multi-cylinder internal combustion engine

1979-05-17

1982-04-06

Myhre, Charles J.

Internal-combustion engines

Valve

Valve head cooperates with manifold

123 52MB, 123308, 123442, F02B 292

Patent

active

043230385

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 bottom 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 upper 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: 2436319 (1948-02-01), Meyer
patent: 3587534 (1971-06-01), Weichelt
patent: 3713630 (1973-01-01), Laprade et al.
patent: 3874357 (1975-04-01), List et al.
patent: 4095565 (1978-06-01), Noguchi et al.
patent: 4214561 (1980-07-01), Matsumoto et al.

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