Patent · US Expired

Air conditioning device for a vehicle

US4577800A · kind A · utility

1Cited by
2References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 19, 1985
Grant dateMar 25, 1986
Priority date
Expiry dateFeb 19, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05D23/24
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An air conditioning device for a vehicle controls temperature of a vehicle cabin by ON-OFF control of a hot water valve provided in a pipe connected between a hot water coil and the engine of the vehicle.

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