Engine air intake system

Details Engine air intake system Engine air intake system

1994-09-30

1996-09-03

Solis, Erick R.

Internal-combustion engines

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

123308, 12318814, F02B 3100

Patent

active

055513921

ABSTRACT:
Disclosed is an apparatus for generating a tumble in a cylinder of a fuel injection engine in order to improve combustion. The apparatus comprises an air intake passage having a straight portion whose center line is approximately in parallel with a roof face of the combustion chamber on the exhaust valve side and a tumble control valve for generating a tumble in the cylinder. The tumble control valve is a flap valve or a butterfly valve for closing a second air intake passage and for opening a first air intake passage.

REFERENCES:
patent: 4323038 (1982-04-01), Motosugi et al.
patent: 4336776 (1982-06-01), Sumiyoshi et al.
patent: 4732117 (1988-03-01), Tanahashi et al.
patent: 4760821 (1988-08-01), Aupor et al.
patent: 4883030 (1989-11-01), Tanahashi et al.
patent: 5165374 (1992-11-01), Chapman et al.
patent: 5255649 (1993-10-01), Isaka
patent: 5273014 (1993-12-01), Mitobe et al.

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