Air assist device of an engine

Details Air assist device of an engine Air assist device of an engine

1997-08-26

1999-06-08

Kamen, Noah P.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

123586, F02B 2300

Patent

active

059097280

ABSTRACT:
An air assist device comprising a slit shaped air intake formed in the inner wall of an intake duct around a throttle valve. The assist air is taken in from the air intake ports. A downstream side edge portion of the opening of the slip shaped air intake port is formed into an arc shape which extends along a downstream side edge portion of the outer peripheral end face of the throttle valve when the throttle valve is positioned at an idling position.

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patent: 4078025 (1978-03-01), Kato
patent: 4366779 (1983-01-01), Semence
patent: 4870944 (1989-10-01), Matsumoto et al.
patent: 4966122 (1990-10-01), Frinzel
patent: 5421311 (1995-06-01), Wataya
patent: 5797381 (1998-08-01), Yoshioka
patent: 5797382 (1998-08-01), Yoshioka

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