Air intake device of an internal combustion engine

Details Air intake device of an internal combustion engine Air intake device of an internal combustion engine

1984-09-13

1986-09-02

Feinberg, Craig R.

Internal-combustion engines

Multiple cylinder

123587, 123 52MB, 1376254, 251117, F02B 7518

Patent

active

046089489

ABSTRACT:
An air intake device comprising a main air intake passage and an auxiliary air intake passage. The main air intake passage interconnects the air cleaner to the engine cylinders. The auxiliary air intake passage is connected to the air cleaner at one end thereof and to the main air intake passage at the other end thereof. The equivalent pipe lengths of the main air intake passage and the auxiliary air intake passage are almost the same. A control valve actuated in response to the engine speed is arranged in the other end of the auxiliary air intake passage. The valve body of the control valve has a conically-shaped convex front face and a conically-shaped convex rear face.

REFERENCES:
patent: 3408992 (1968-11-01), Seggern et al.
patent: 3738109 (1973-06-01), Tatsutomi et al.
patent: 3744464 (1973-07-01), Soltau
patent: 3814069 (1974-06-01), Croft et al.
patent: 3875918 (1975-04-01), Loynd
patent: 4026253 (1977-05-01), Nishino et al.
patent: 4393831 (1983-07-01), Bergmann et al.

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