Air suction devices for multicylinder engines

Patent · Tue Feb 14 04:00:00 EST 1989

OSTI ID:6269094

Hirsoka, T; Seike, S; Hatamura, K; Akizuki, M

An air suction device is described for a multicylinder engine comprising: a first group of inlet passages each having one end connected to one of a first group of cylinders operative to work with their respective suction strokes which are not successive to one another, a second group of inlet passages each having one end connected to one of a second group of cylinders operative to work with their respective suction strokes which are not successive to one another, a surge chamber separated off by a partition-wall member into a first compartment for air expansion provided with openings each coupled with the other end of one of the first group of inlet passages and a second compartment for air expansion, 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 valve unit being fitted to the cutout portion provided on the partition-wall member 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.

• Assignee: Mazda Motor Corp., Hiroshima
• Patent Number(s): US 4803961
• OSTI ID: 6269094
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
AIR FLOW
COMBUSTION CHAMBERS
CONTROL EQUIPMENT
CYLINDERS
DESIGN
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FLUID MECHANICS
FUEL SYSTEMS
FUEL-AIR RATIO
GAS FLOW
HEAT ENGINES
INTAKE STRUCTURES
INTERNAL COMBUSTION ENGINES
MECHANICAL STRUCTURES
MECHANICS
PNEUMATICS
VALVES