Pneumatic controller for controlling a bleed valve
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United States of America Patent
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Jun 15, 2021
Grant Date -
Oct 10, 2019
app pub date -
Apr 3, 2019
filing date -
Apr 4, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Controller for controlling a bleed valve including a first body with an internal cavity connected to an air inlet port and an air outlet port, a second body including a chamber, a mobile member in the cavity and in the chamber, connecting the two bodies. The member is mobile between a position whereby the ports fluidly communicate and a position whereby the ports are isolated, the member further including two pistons housed in the chamber and defining in this chamber at least two spaces. The controller also includes a fluid supply for at least one of the spaces for the purpose of moving the pistons in the chamber.
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