Intake device for an engine

Details Intake device for an engine Intake device for an engine

1983-02-11

1985-02-05

Cross, E. Rollins

Internal-combustion engines

Multiple cylinder

123432, 123308, 123579, F02B 7518

Patent

active

044972881

ABSTRACT:
An intake device for an engine including the first intake valve located at the downstream end of the first intake passage that is connected to the primary carburetor. A second intake valve is located at the downstream end of the second intake passage that is connected to the secondary carburetor in a cylinder. Both intake passages are connected to each other through a pathway situated in the middle of said intake passages. A check valve located in said pathway allows flow from the first intake passage to the second intake passage. In accordance with a second embodiment, the primary and secondary carburetors are configured so that operation of the secondary carburetor is a function of negative pressure in the primary system to remain closed under minimal load conditions.

REFERENCES:
patent: 1307896 (1919-06-01), Colardeau
patent: 3087480 (1963-04-01), Baudry
patent: 3505983 (1970-04-01), Hartel
patent: 4104881 (1978-08-01), Kogure et al.
patent: 4300504 (1981-11-01), Tezuka

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