Patent · US Expired

Compositions with nano-particle size conductive material powder and methods of using same for transferring heat between a heat source and a heat sink

US7390428B2 · kind B2 · utility

8Cited by
4References
7Claims
0Family size

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Key dates

Filing dateDec 7, 2004
Grant dateJun 24, 2008
Priority date
Expiry dateMay 20, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K5/10
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A heat transfer composition and methods for using same to transfer heat in a transformer. In one embodiment, a heat transfer composition has soy-based oil, an additive comprising a nano-particle size diamond powder characterized by a first mass, and a chemical agent characterized by a second mass, wherein the ratio of the second mass to the first mass is greater than one.

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