Device and method for measuring the leakage rate from reference pressure lines onboard an aircraft
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United States of America Patent
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Apr 19, 2016
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N/A
app pub date -
Oct 4, 2011
filing date -
Oct 6, 2010
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Abstract
A device for testing pneumatic circuits and for measuring the leakage rate from reference pressure lines onboard an aircraft, connected to a plenum chamber. The device includes a multi-pressure system, comprising several sensors each connected to a reference pressure line, first solenoid valves arranged on the input channels to this multi-pressure system, and connected to the reference pressure lines through first connectors, second solenoid valves arranged on the reference pressure lines, a pressure controller module that is connected to all the first solenoid valves through a second connector, an electronic board that controls the solenoid valves and calibration of the multi-pressure system, a control device. The invention also relates to a method making use of this device.
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