Surface wave pressure sensor for wireless measurement of aircraft tire pressure
The surface wave pressure sensor addresses battery life and mass issues by using piezoelectric material for mechanical wave conversion and a non-metallic housing, reducing maintenance costs and simplifying cybersecurity in aircraft tire pressure monitoring.
FR3171092A1Pending Publication Date: 2026-07-10SAFRAN LANDING SYSTEMS
Patent Information
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- SAFRAN LANDING SYSTEMS
- Filing Date
- 2025-01-03
- Publication Date
- 2026-07-10
AI Technical Summary
Technical Problem
Existing aircraft tire pressure monitoring systems using wireless sensors face issues with battery life, added mass from heat shields, and complex cybersecurity measures, which increase production and maintenance costs.
Method used
A surface wave pressure sensor that operates without a battery, utilizing a piezoelectric material to transform electrical signals into mechanical waves for pressure measurement, and a non-metallic housing to eliminate the need for a heat shield and simplify cybersecurity.
Benefits of technology
The sensor reduces mass, lowers maintenance costs, and simplifies cybersecurity by eliminating the need for batteries and heat shields while maintaining reliable pressure and temperature measurements.
✦ Generated by Eureka AI based on patent content.
Smart Images
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Abstract
Surface wave pressure sensor for wireless measurement of aircraft tire pressure. Surface wave pressure sensor (100) comprising: - a radiating cell (130) mounted on a support (135); - a pressure measuring cell (160) and a temperature measuring cell (160), mounted on a first face (1411) of a printed circuit board (140); - a first metallic housing (141) attached to a second non-metallic housing (131), the second housing comprising the radiating cell and its support, the first housing comprising the printed circuit board, the measuring cells and a pressurized cavity (120) including an opening (121) allowing the passage of a tire inflation fluid; and - a wired device (170) connecting the radiating cell to the printed circuit board. Figure for the abbreviation: Fig. 1
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