Patent · US Expired

Air-conditioning systems

US3990505A · kind A · utility

10Cited by
5References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 16, 1975
Grant dateNov 9, 1976
Priority date
Expiry dateMay 16, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60H1/00007
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An air-conditioning system particularly, but not exclusively, for vehicles employs a single liquid/air heat exchanger and means selectively to supply either hot liquid or cooled liquid to said heat exchanger whereby selectively to heat or cool the air passing through said heat exchanger. As applied to a motor vehicle, the system only requires a single heat exchanger on the interior side of the vehicle bulkhead.

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