Patent · US Expired

Multi-tube evaporator for a cooler used in an automobile

US4202182A · kind A · utility

26Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1978
Grant dateMay 13, 1980
Priority date
Expiry dateMay 3, 1998

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B41/37
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A multi-tube evaporator for a cooler used in an automobile is provided with a columnar member tightly inserted in the evaporating tube at its inlet. A spiral groove is engraved on the surface of the columnar member. The spiral groove serves as a capillary through which refrigerant is expanded.

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