Patent · US Expired

Auxiliary air heater

US4371112A · kind A · utility

7Cited by
3References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 11, 1981
Grant dateFeb 1, 1983
Priority date
Expiry dateFeb 11, 2001

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF24V40/10
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An auxiliary heating apparatus is used in conjunction with a primary heater system which includes a heat exchange for heating air by indirect heat exchange with a fluid stream containing engine heat. The auxiliary heater apparatus comprises a fluid pump, a throttle valve for reducing the pressure of and thereby heating the auxiliary heating fluid, and an air heat exchanger arranged in series with the primary heat exchanger on the air side.

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