Charge intake system for a multi-intake valve per cylinder engine
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United States of America Patent
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-
Dec 3, 1991
Grant Date -
N/A
app pub date -
Oct 12, 1990
filing date -
Oct 12, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automotive type fuel injection engine has for each cylinder a single intake manifold runner or log connected by siamesed flow passages to multiple side-by-side intake ports in the cylinder head. A fuel injector is installed in the runner upstream of the dividing portion of the runner. A single constant diameter bore is provided through the cylinder head close to the intake ports intersecting the siamesed flow passages at right angles. The bore contains a one-piece rotatable paddle-like valve with a thin plate in a flow passage, the valve being variable rotatable to close off the passage for fuel economy and power control. The valve is self-contained with sealing and guidance disks.
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