Patent · US Expired

Air-conditioner for an automobile

US4494383A · kind A · utility

79Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 1983
Grant dateJan 22, 1985
Priority date
Expiry dateFeb 23, 2003

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B2400/0751
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An air-conditioner for an automobile is disclosed which is provided with a compressor adapted to be directly connected to the engine, the compressor being provided with two coaxial compressing cylinders each having a different displacement, whereby the cylinder having the smaller displacement is adapted to be always operated to carry out the dehumidification, while the cylinder having the larger displacement is adapted to be operated only when it is desired to air-condition the compartment by a change in its operation rate through the actuation of such as a slide valve.

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