DYNAMIC SEALING IN AN AIRCRAFT TURBINE ENGINE CONTROL VALVE
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United States of America Patent
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Issued Date -
May 23, 2024
app pub date -
Mar 23, 2022
filing date -
Mar 30, 2021
priority date (Note) -
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Abstract
A control valve, in particular for an aircraft turbine engine, includes a movable seal which is carried by a rod that passes through ports of a body of the valve. Sealing means are mounted in each of these ports. The sealing means include a tubular bellows mounted around the rod, a ring mounted around the rod and the tubular bellows and at least partially housed in one of the ports, and a washer mounted around the rod. The washer is inserted between the tubular bellows and one end of the ring which bears against the bottom of said port.
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