Cylinder head intake system

Details Cylinder head intake system Cylinder head intake system

1998-10-16

2000-08-29

Dolinar, Andrew M.

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

Having multiple oxidant inlet means

F02B 3108

Patent

active

061092347

ABSTRACT:
An internal combustion engine cylinder head includes a pent roof (15) closing off a top of an engine cylinder (14) and first and second inclined surfaces (15a, 15b) intersecting an apex region (15c) of the pent roof. First and second air intake ports (20, 22) are formed in the pent roof surfaces and about respective first and second spiral axes (S1, S2) having respective radii (R1, R2, etc.) that change in magnitude and elevation as each air intake port approaches respective port entrances (20a, 22a) to the cylinder in a manner to provide air flows with in-cylinder air swirl in the same direction about the longitudinal axis of the cylinder.

REFERENCES:
patent: 3020896 (1962-02-01), Meurer et al.
patent: 4748950 (1988-06-01), Okumura et al.
patent: 5477823 (1995-12-01), Uchida
patent: 5479888 (1996-01-01), Morimoto et al.
patent: 5479889 (1996-01-01), Sato et al.
patent: 5603299 (1997-02-01), Yuzuriha et al.
patent: 5676107 (1997-10-01), Yuzuriha et al.

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