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:
Mar. 17, 2009
Filed:
Apr. 30, 2007
Applicants:
James B. Klassen, Langley, BC, CA;
David W. Boehm, Summerland, BC, CA;
Inventors:
James B. Klassen, Langley, BC, CA;
David W. Boehm, Summerland, BC, CA;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
F02B 53/00 (2006.01); F02B 53/04 (2006.01); F01C 1/10 (2006.01); F01C 1/06 (2006.01); F01C 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An energy transfer machine, for example, a positive displacement internal combustion device, has a fixed or rotating outer housing, an internal rotating carrier and one or more inner rotors with rotational axes which are offset from the inner rotor carrier rotational axis. Circumferentially expandable projections from the outer housing and rotor mesh with each other to define variable volume chambers.