Patent · US Expired

Rock channel heat storage

US4139321A · kind A · utility

28Cited by
3References
5Claims
0Family size

Inventor

Key dates

Filing dateJan 31, 1977
Grant dateFeb 13, 1979
Priority date
Expiry dateJan 31, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/14
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A heat or cold storage system utilizing a plurality of channels dug directly into the earth and filled with rocks which are used to absorb heat or cold for storage, a part of such storage being the rocks themselves and a (usually much larger) part being the adjacent earth. Conduit connections are provided for carrying heat or cold to the rocks.

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