Intake duct fitted with non-return valve means

Details Intake duct fitted with non-return valve means Intake duct fitted with non-return valve means

1981-09-30

1983-12-27

Feinberg, Craig R.

Internal-combustion engines

Multiple cylinder

123 65P, F02B 7700

Patent

active

044224168

ABSTRACT:
The invention relates to an intake duct for feeding mixture or air to a four-stroke internal combustion engine cylinder provided with the usual intake valve or valves, non-return valve means being provided in said duct in series with said intake valve or valves, said non-return valve means being arranged to allow the flow of mixture or air to said cylinder, and being arranged to prevent the reverse flow of mixture returned by the cylinder, from the intake duct to the outside.

REFERENCES:
patent: 1978816 (1934-10-01), Pollister
patent: 2337982 (1943-12-01), Ericson
patent: 3935842 (1976-02-01), Ishizawa et al.
patent: 4084554 (1978-04-01), Bohnlein
patent: 4312305 (1982-01-01), Noguchi et al.

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