Supplemental control valve device for supplemental flow control of an internal combustion engine intake channel
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United States of America Patent
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Oct 28, 2003
Grant Date -
Feb 6, 2003
app pub date -
Aug 2, 2002
filing date -
Aug 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A supplemental control valve device for supplementally controlling the flow through the intake channel of an internal combustion engine includes a flow body mounted in the intake channel and extending from an enlarged cross section of the intake channel into a reducing cross section of the intake channel. The flow body is configured in correspondence with the intake channel such that an annular gap is formed between the flow body and the intake channel. A valve member is supported on the flow body for movement between an open position in which the valve member is at a spacing from a valve seat on the intake channel at the transition of the upstream cross section and the enlarged cross section, and a closed position in which the valve member is seated against the valve seat such that the flow in the intake channel past the valve member is prevented.
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