Patent · US Expired

Freezable heat pipe

US4248295A · kind A · utility

25Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 1980
Grant dateFeb 3, 1981
Priority date
Expiry dateJan 17, 2000

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF28F2200/005
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A heat pipe whose fluid can be repeatedly frozen and thawed without damage to the casing. An additional part is added to a conventional heat pipe. This addition is a simple porous structure, such as a cylinder, self-supporting and free standing, which is dimensioned with its diameter not spanning the inside transverse dimension of the casing, and with its length surpassing the depth of maximum liquid.

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