Helical intake port for an internal combustion engine

Details Helical intake port for an internal combustion engine Helical intake port for an internal combustion engine

1998-03-20

1999-12-21

Argenbright, Tony M.

Internal-combustion engines

Valve

Valve head cooperates with manifold

123306, F01L 300, F02B 3100

Patent

active

060034858

ABSTRACT:
This invention relates to a helical intake port for an internal combustion engine comprising a straight passage, a swirl passage connected to the straight passage and formed in a spiral around the center of an intake valve, and a cylindrical throat connected to the swirl passage via an opening over the whole area of the swirl passage. The cross-sectional area S of the swirl passage is determined by the following equation: ##EQU1## where: .beta.=swirl angle from swirl start position,

REFERENCES:
patent: 3945349 (1976-03-01), Elsbett et al.
patent: 3945363 (1976-03-01), Elsbett et al.
patent: 4286554 (1981-09-01), Okamoto
patent: 4312309 (1982-01-01), Nakanishi et al.
patent: 4406258 (1983-09-01), Sekiya et al.
patent: 4519346 (1985-05-01), Nakanishi et al.

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