Air suction devices for multicylinder engines

Details Air suction devices for multicylinder engines Air suction devices for multicylinder engines

1988-07-05

1989-02-14

Husar, Stephen F.

Internal-combustion engines

Multiple cylinder

123 52M, 123 52MB, F02B 7518

Patent

active

048039616

ABSTRACT:
An air suction device for a multicylinder engine comprises a first group of inlet passages each having one end connected to one of a first group of cylinders, a second group of inlet passages each having one end connected to one of a second group of cylinders, a surge chamber separated off by a partition-wall into first and second compartments for air expansion provided with a plurality of first openings each coupled with the other end of one of the first group of inlet passages and a plurality of second openings each coupled with the other end of one of the second group of inlet passages, respectively, and a valve unit including a body member forming an air passage and a closing valve disposed in the body member for closing selectively the air passage. The partition-wall is provided with a cutout portion thereon, and the valve unit is fitted to the cutout portion provided on the partition-wall in the surge chamber so as to form with the air passage thereof a connecting passage provided for interconnecting the first and second compartments and closed selectively by the closing valve.

REFERENCES:
patent: 4549506 (1985-10-01), Rush, II et al.
patent: 4649871 (1987-03-01), Hatamura et al.

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