Butterfly valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 14, 2000
Grant Date -
N/A
app pub date -
Sep 17, 1998
filing date -
Mar 18, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device with a body and a passage therethrough containing a pivotable throttling member and a shaft rotatably mounted in the body and axially retained therein by a fork with a rounded central portion. The fork includes at least one tooth which engages at least one recess such as a groove in an end portion of the shaft. The end portion being housed in a chamber of the body that is sealed by a cover positioning the fork in the chamber in such a way that it engages the groove. The device is particularly suitable in butterfly valves and flow control components for controlling the flow of supply air in an internal combustion engine or that of recirculated exhaust gases.
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