Patent · US Expired

Heat engine

US4653269A · kind A · utility

27Cited by
7References
20Claims
0Family size

Inventor

Key dates

Filing dateNov 6, 1985
Grant dateMar 31, 1987
Priority date
Expiry dateNov 6, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02G2254/30
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A heat engine with a compressor, an external combustion chamber from which combustion gases pass through suitable valving to an expander, an air compressor, a heat exchanger where exhaust gases from the expander preheat compressed air which then flows to the combustion chamber, and an accumulator for storing unneeded compressed air from the compressor. The system also has the capability of regenerative braking, i.e. slowing of the engine by employing it as a compressor to compress air which is passed to the accumulator.

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