The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 1981
Filed:
Jul. 16, 1979
John P Kuhns, Hurst, TX (US);
Other;
Abstract
Method of and apparatus for doing work characterized by the steps of establishing respective hot and cold zones within a constant volume chamber; providing a flow path intermediate the zones and encompassing a caloric energy storage means for extracting heat from gases that are hotter and for delivering heat to gases that are colder as the respective gases are flowed therepast; separating the respective hot and cold zones by reciprocally movable member that is movable longitudinally of its cylinder and periodically reciprocally moving the member whereby to effect the following steps; (a) taking in the relatively cool ambient air into the cold zone; (b) moving the cool ambient air past the caloric energy storage means to pick up heat and become relatively hotter to tend to expand and increase pressure; (c) passing the hotter air from the chamber to an engine means for producing work; (d) passing a high temperature fluid in heat exchange relationship with the caloric energy storage means to again heat the caloric energy storage means and store heat and repeating steps (a)-(d). Also disclosed are specific preferred embodiments and apparatuses.