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:
Apr. 20, 2021
Filed:
Mar. 10, 2017
Applicant:
Barry W. Johnston, Baltimore, MD (US);
Inventor:
Barry W. Johnston, Baltimore, MD (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01B 29/10 (2006.01); F01K 7/36 (2006.01); F01K 25/04 (2006.01); F01K 25/10 (2006.01); F04C 11/00 (2006.01);
U.S. Cl.
CPC ...
F01B 29/10 (2013.01); F01K 7/36 (2013.01); F01K 25/04 (2013.01); F01K 25/10 (2013.01); F01K 25/103 (2013.01); F02G 2270/40 (2013.01); F02G 2290/00 (2013.01); F04C 11/008 (2013.01);
Abstract
A near-adiabatic engine has four stages in a cycle: a means of near adiabatically expanding the working fluid during the downstroke (expansion stroke); a means of cooling the working fluid at Bottom Dead Center (BDC); a means of near adiabatically compressing that cooled fluid from the lower pressure/temperature level at BDC to the higher level at Top Dead Center (TDC); and finally, a means of passing that working fluid back into the high pressure/temperature source in a balanced condition with minimal resistance to that flow.