Internal combustion engine intake system having auxiliary passag

Details Internal combustion engine intake system having auxiliary passag Internal combustion engine intake system having auxiliary passag

1977-12-28

1980-04-08

Myhre, Charles J.

Internal-combustion engines

Noncompression

123 75B, 123188AF, 123188M, F02B 1500

Patent

active

041967011

ABSTRACT:
An auxiliary passage of a relatively small cross-sectional area bypasses the main throttle valve of a usual induction passage to extend to each intake port. The auxiliary passage allows air or an air-fuel mixture to pass therethrough according to the magnitude of vacuum in the intake port and, in its endmost portion, takes the form of a nozzle directioned circumferentially of the intake port, so that the air-fuel mixture flowing in the intake port is agitated to thorough homogenization by a swirling movement of the injected gas particularly efficiently during low load operation of the engine.

REFERENCES:
patent: 3359958 (1967-12-01), von Seggern et al.
patent: 3364911 (1968-01-01), Baudry et al.
patent: 3408992 (1968-11-01), von Seggern et al.
patent: 3678905 (1972-07-01), Diehl
patent: 3976039 (1976-08-01), Henault
patent: 3980059 (1976-09-01), Noguchi et al.
patent: 4018193 (1977-04-01), Klomp
patent: 4104989 (1978-08-01), Resler, Jr.
patent: 4119064 (1978-10-01), Klomp

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