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. 20, 1983
Filed:
Dec. 20, 1982
Edwin W Dibrell, San Antonio, TX (US);
Centrifugal Piston Expander, Inc., San Antonio, TX (US);
Abstract
The disclosure provides a method and apparatus for extracting heat and/or mechanical energy from a pressured gas wherein the pressured gas is applied to the radially outer ends of rotating cylinder elements defining longitudinally extending pressure chambers having one end thereof remote from the axis of rotation and the other end proximate to the axis of rotation. A free piston is mounted in each of the fluid pressure chambers and is reciprocable therein solely under the influence of the gas pressure and centrifugal force. Valving elements are provided at the outer end of the cylinder elements which are operable by sensing elements which are respectively mounted on each of the cylinders and generate signals in accordance with the position of the free piston in the respective cylinder. Electronic circuitry is provided to insure that the inlet valves of each pair of diametrically opposed cylinders are concurrently operated to an open position to assure the dynamic balance of the rotating system.