Intake system of an internal combustion engine

Details Intake system of an internal combustion engine Intake system of an internal combustion engine

1979-04-26

1980-12-30

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

Air or combustible mixture entering the combustion chamber...

261 41D, 261 65, 123585, F02M 2302, F02B 3100

Patent

active

042417040

ABSTRACT:
An internal combustion engine comprising a carburetor having a throttle valve arranged in the main intake passage. The throttle valve comprises a rigid valve body of a circular shape and at least one deformable valve plate of a semielliptical shape. The inner end of the valve plate is fixed onto the rear face of the valve body so that the peripheral outer edge of the valve plate projects outwardly from the peripheral outer edge of the valve body. When the opening degree of the throttle valve becomes small, the valve plate comes into engagement with the inner wall of the main intake passage and is bent to form a valve space between the valve body and the valve plate. An auxiliary intake passage is additionally provided. The inlet of the auxiliary intake passage is so arranged that it opens into the valve space which is formed when the opening degree of the throttle valve becomes small. The outlet of the auxiliary intake passage is connected to the main intake passage located downstream of the throttle valve at a position near the intake valve.

REFERENCES:
patent: 2062260 (1936-11-01), Weber
patent: 3359958 (1967-12-01), Von Seggern et al.
patent: 3363886 (1968-01-01), Walker
patent: 3410539 (1968-11-01), Walker
patent: 4112877 (1978-09-01), Goto et al.

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