Automobile fuel intake system

Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters

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261 23A, F02D 1700

Patent

active

042167582

ABSTRACT:
A fuel intake system for a multi-cylinder internal combustion engine includes at least two intake passages leading to respective engine cylinders, and a shutter valve positioned within one of the intake passages for, when closed, allowing the entire amount of a combustible air-fuel mixture to be introduced into one of the engine cylinders communicated with the other of the intake passages. For operating the shutter valve, a composite negative pressure which is made up of a negative pressure, developed within the one of the intake passages at a position downstream of the shutter valve with respect to the direction of flow of the combustible air-fuel mixture towards the engine cylinders, and that developed within the other of the intake passages at a position downstream of a throttle valve, is utilized.

REFERENCES:
patent: 2114655 (1938-04-01), Leibing
patent: 3578116 (1971-05-01), Nakajima
patent: 4019479 (1977-04-01), Garabedian
patent: 4070994 (1978-01-01), Garabedian
patent: 4073278 (1978-02-01), Glenn
patent: 4075837 (1978-02-01), Hanaoka
patent: 4076003 (1978-02-01), Garabedian
patent: 4080948 (1978-03-01), Dolza, Sr.
patent: 4106471 (1978-08-01), Nakajima
patent: 4130102 (1978-12-01), Churchill

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