BUTTERFLY VALVE
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United States of America Patent
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Issued Date -
Dec 3, 2015
app pub date -
May 29, 2015
filing date -
May 29, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is a butterfly valve that has been modified such that it reduces internal losses in the closed position. The modifications according to the invention reduce losses occurring mainly through the shaft of the flap of the butterfly valve. The invention is of special interest in the use of butterfly valves in internal combustion engines for managing exhaust gases for their introduction into the intake by means of an EGR (Exhaust Gas Recirculation) system.
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