Patent · US Expired

Method and apparatus for determining railcar order in a train

US6114974A · kind A · utility

43Cited by
15References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 25, 1999
Grant dateSep 5, 2000
Priority date
Expiry dateAug 25, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB61L25/028
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A method and apparatus for determining railcar order in an ECP equipped train involving the inherent propagation delay of a pneumatic signal propagation in a brake air line as measured by each car and used to determine the car order in the train.

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