Intake passage for multi-cylinder engine

Patent · Tue Aug 30 04:00:00 EDT 1988

OSTI ID:6672681

Iwanami, T

This patent describes an induction system for an internal combustion engine comprising at least two variable volume chambers each having at least one intake port for delivering a charge thereto, a plenum chamber, a first intake passage extending from the plenum chamber to the intake port of a first of the chambers, a second intake passage extending from the plenum chamber to the intake port of the other of the chambers, a flow control valve operable in response to an engine running characteristic for controlling the flow through the second intake passage, first and second atmospheric air inlets to the plenum chamber, and throttle valve means for controlling the flow into the plenum chamber through each of the atmospheric air inlets.

• Assignee: Yamaha Hatsudoki Kabushiki Kaisha, Iwata
• Patent Number(s): US 4766853
• OSTI ID: 6672681
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
AIR FLOW
CONTROL EQUIPMENT
CYLINDERS
DESIGN
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
GAS FLOW
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
OPERATION
VALVES