Patent · US Expired

Means and apparatus for microrefrigeration

US7140197B2 · kind B2 · utility

8Cited by
18References
51Claims
0Family size

Inventors

Key dates

Filing dateFeb 24, 2003
Grant dateNov 28, 2006
Priority date
Expiry dateAug 17, 2023

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B2500/17
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An integrated, self-contained microrefrigeration apparatus, in a dimension small enough to fit inside small appliances, such as electronic cases and portable equipment is described. The microrefrigerator employs a working fluid that circulates between evaporator, compressor, condenser and turbine-expander components in a closed loop. Two configurations are claimed: one with the compressor and turbine operating on independent shafts, and the other with the turbine and compressor both operating on the motor shaft.

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