Patent · US Expired

Blend door actuation for dual zone

US6484755B1 · kind B1 · utility

14Cited by
8References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 31, 1999
Grant dateNov 26, 2002
Priority date
Expiry dateMar 31, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87129
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A vehicle air conditioning apparatus having two pair of rotatable flow control doors for separately controlling and varying the temperature and flow of air supplied to two different zones of the vehicle interior. Each pair of flow control doors are linked together and operated by a single actuator device. One of each pair of flow control doors is rotatable about a common axis

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