Patent · US Expired

Air-conditioning control apparatus for automotive vehicles

US4426852A · kind A · utility

11Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1981
Grant dateJan 24, 1984
Priority date
Expiry dateMay 6, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05D23/1917
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

In an automobile air-conditioning control apparatus, in accordance with a setting temperature signal and an actual temperature signal, a microcomputer controls the rotational speed of blower motors and shifts the direction of flow changing plates, so that the control between a concentrated blowing condition and an overall blowing condition may be effected successively and gradually.

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