Patent · US Active

Tractive effort system and method

US9308921B2 · kind B2 · utility

3Cited by
27References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 2011
Grant dateApr 12, 2016
Priority date
Expiry dateMar 18, 2032

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB61C15/107
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A system is provided for use with, a wheeled vehicle. The system includes a media reservoir capable of holding a tractive material that includes particulates; a nozzle in fluid communication with the media reservoir; and a media valve in fluid communication with the media reservoir and the nozzle. The media valve is controllable between a first state in which the tractive material flows through the media valve and to the nozzle, and a second state in which the tractive material is prevented from flowing to the nozzle. In the first state, the nozzle receives the tractive material from the media reservoir and directs the tractive material to a contact surface such that the tractive material impacts the contact surface that is spaced from a wheel/surface interface. The system can modify the adhesion or the traction capability of the contact surface with regard to a subsequently contacting wheel.

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