Control module of a tow vehicle for controlling a pneumatic braking system of a trailer vehicle
US11827193B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2021 |
| Grant date | Nov 28, 2023 |
| Priority date | — |
| Expiry date | Aug 6, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T7/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A trailer control module (94) of a pressure-medium operated braking system of a tow vehicle has a valve assembly for controlling a pneumatic braking system of a trailer vehicle The valve assembly includes the following: an electronically controlled trailer control valve (6) which contains a pneumatically controlled relay valve (18) with an inverted control input (34); a pressure-medium controlled backup valve (8) which contains a pressure-medium controlled relay valve (54); and at least one electronically controlled parking brake valve (68, 70), via which the relay valve (18) of the trailer control valve (6) can be actuated pneumatically at its inverted control input (34). In addition, a coupling device (98) is present, by which the parking brakes of the tow vehicle can also be operated via the parking brake valve (68, 70).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.