Valve arrangement for controlling a brake system of a trailer vehicle
US8944525B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 1, 2008 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Nov 20, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7837
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A valve arrangement for controlling a brake system, comprising at least one spring brake cylinder and at least one service brake cylinder, of a trailer vehicle of a traction vehicle-trailer combination, characterized in that said valve arrangement includes a 3/2 way valve which, as a function of the control pressure present at its control inlet, connects either its connection, which is connected to an outlet of a control valve device in order to generate service brake pressure for the at least one service brake cylinder, or connects its connection, which is connected to a trailer-vehicle-side compressed air supply, to its further connection which is connected to the at least one spring brake cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.