Patent · US Expired

Control device for air conditioner for automobile

US4485634A · kind A · utility

10Cited by
4References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 1982
Grant dateDec 4, 1984
Priority date
Expiry dateDec 13, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60H2001/327
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The disclosure describes a control device for the air-conditioning device for automobile in which a rolling piston type capacity changeable compressor which can be operated with a single piston cylinder by closure of one of two coaxial cylinders in the compressor by means of an opening and closing valve is used and selection is made as to whether single cylinder or double cylinders should be employed for operation of the compressor depending on a cooling load to be imposed on it.

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