Patent · US Expired

Electrical apparatus with heat pipe cooling

US4009417A · kind A · utility

22Cited by
12References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 1975
Grant dateFeb 22, 1977
Priority date
Expiry dateJan 27, 1995

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF28D15/0266
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An electrical apparatus, such as a distribution transformer, having heat pipe cooling. The transformer is provided with a cover in the form of a heat pipe with an evaporator section extending from the cover into the dielectric fluid of the transformer. The top of the cover forms the condenser section of the heat pipe.

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