Tire pressure pick-up
US4386247A · kind A · utility
14Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1981 |
| Grant date | May 31, 1983 |
| Priority date | — |
| Expiry date | Aug 3, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H35/34
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The pressure pick-up is of the type comprising an elastic metal diaphragm deformable between a first and a second state according as the pressure in the tire is lower or higher than a predetermined value, and an electrical switch controlled by the diaphragm. In accordance with the invention the metal diaphragm has the form of a spherical dome mounted to bear with its edge free at the periphery of its concave face against a seating, its convex face being subjected to the pressure in the tire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.