Patent · US Expired

Vehicle engine warming and passenger compartment heating device

US4925091A · kind A · utility

4Cited by
0References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1989
Grant dateMay 15, 1990
Priority date
Expiry dateJan 23, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A device for heating the passenger compartment and warming up the engine, including a turbo heater having a blower and a turbine driven by the exhaust gas of the engine. The turbo heater is operated as soon as the engine is started. Hot air discharged from the blower is fed into the engine soon after the engine is started, and the hot air discharged from the blower is fed into the passenger compartment. When the temperature of the engine coolant become high, the operation of the turbo heater is stopped.

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