Patent · US Active

Trailer brake system

US7971942B2 · kind B2 · utility

10Cited by

4References

11Claims

0Family size

Assignee

WABCO GmbH · DE

Inventors

Thomas Parrott · Rockford, US
Axel Stender · Hameln, DE
Ingo Tha · Hannover, DE

Key dates

Filing date	Sep 19, 2006
Grant date	Jul 5, 2011
Priority date	—
Expiry date	Mar 20, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60T13/662
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A trailer brake system constructed and arranged to effect the relay of a brake signal from the tractor and an automatically generated brake signal of an electronic control device of the trailer to one or more additional trailers in an expanded vehicle train. In one embodiment, the brake signal is relayed to an additional coupled trailer in the form of an electrical signal via an electrical interface. In another embodiment, the brake signal is relayed to an additional trailer by means of a valve device. In yet another embodiment, the brake signal is relayed to an additional trailer by means of a combination of electrical signal transmission and valve device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.