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:
Jan. 10, 1989
Filed:
Jun. 01, 1987
Applicant:
Inventor:
Hans Heydrich, Phoenix, AZ (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
123 4142 ; 123 4184 ; 1231 / ; 123668 ;
Abstract
An uncooled (adiabatic) engine having an insulator sleeve in each cylinder o retard heat flow into the engine wall structure. Each sleeve is yieldably (springably) mounted in an engine bore, such that the sleeve can experience thermal growth in the axial direction without excessive stress or mechanical failure.