Device and method for measuring the leakage rate from reference pressure lines onboard an aircraft
US9316561B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2011 |
| Grant date | Apr 19, 2016 |
| Priority date | — |
| Expiry date | Jan 14, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M3/28
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.