One-piece wave deflector for I.C. engine intake system

Details One-piece wave deflector for I.C. engine intake system One-piece wave deflector for I.C. engine intake system

1989-02-21

1990-03-13

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

137 15, 137595, 251368, F02M 3510

Patent

active

049075470

ABSTRACT:
An internal combustion engine has two differently tuned sets of runners leading to the cylinders. A wave deflector element transversely spans a particular runner for one cylinder and the corresponding particular runner for an adjacent cylinder, and there is one wave deflector element for each pair of cylinders. The wave deflector elements are selectively operated in unison by an actuator to either open or close the runners of the set with which they are associated depending upon the operating state of the engine. The actuator is controlled by an electronic control unit. Each wave deflector element comprises a shaft and a pair of wave deflectors integrally formed of plastic so as to be of one-piece construction. The wave deflector element is resiliently flexible by bending for installation in the runners that it controls.

REFERENCES:
patent: 4783052 (1988-11-01), Walden
patent: 4794886 (1989-01-01), Iwamura et al.
patent: 4795420 (1989-01-01), Sakurai et al.
patent: 4803961 (1989-02-01), Hiraoka et al.

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