Deflating device for pneumatic tires of vehicles
US4696334A · kind A · utility
5Cited by
7References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1986 |
| Grant date | Sep 29, 1987 |
| Priority date | — |
| Expiry date | Feb 18, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7761
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The deflating device, in particular intended for rapid intervention or military vehicles, comprises a servovalve (18) having a large-section passage instantaneously putting the interior of the tire in communication with the open air, a pressure sensor (21) with an associated circuit (22,23,24) an electrovalve (17) and its associated circuit being supplied with a chopped or otherwise interrupted current through a rotating transformer (12,14), the sensor circuit being such that, when the predetermined low pressure value is reached, it causes the closure of the servovalve (18) by the electrovalve (17).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.