Central tire inflation system
US4924926A · kind A · utility
60Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1988 |
| Grant date | May 15, 1990 |
| Priority date | — |
| Expiry date | Aug 15, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86574
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An air circuit for a central tire inflation system having a relief valve (158) in the air circuit to provide the necessary pressure drop for deflation and having make up air from a source (S) bleed into the air circuit via one of two normally closed solenoid actuated valves (164, 174). The make up air is connected via a small orifice (214) when a solenoid (192) associated with a deflate valve (164) or a shut off valve (174) is energized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.