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U.S. Department of Energy
Office of Scientific and Technical Information

Intake system for internal combustion engine

Patent ·
OSTI ID:6766578
An induction system is described for an internal combustion engine having a variable volume chamber comprising a first intake port serving the chamber, a second intake port serving the chamber, a first intake passage serving the first intake port, a second intake passage serving the second intake port. A common intake passage portion communicates at its downstream end with the first and the second intake passages, a throttle valve for controlling the flow through the common intake passage portion, a first inlet passage communicating at its downstream end with the common intake passage portion, a second inlet passage communicating at its downstream end with the common inlet passage portion, and a second throttle valve for controlling the flow through the first inlet passage.
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha Iwata, JP
Patent Number(s):
US 4660530
OSTI ID:
6766578
Country of Publication:
United States
Language:
English