Patent · US Expired

Auxiliary power unit for vehicles

US4448157A · kind A · utility

111Cited by
3References
10Claims
0Family size

Inventors

Key dates

Filing dateMar 8, 1982
Grant dateMay 15, 1984
Priority date
Expiry dateMar 8, 2002

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B3/06
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The auxiliary power unit includes an auxiliary liquid-cooled diesel internal combustion engine for driving power producing equipment on board the vehicle. A first conduit connects the main engine liquid coolant outlet in fluid communication with the auxiliary engine liquid inlet. A second conduit connects the main vehicle engine liquid inlet in fluid communication with the auxiliary engine outlet. A pump recirculates the liquid coolant through the conduits so that the auxiliary diesel engine heats the coolant and thus the main engine, when it is not in use. The engine is controlled remotely from the vehicle cab.

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