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.

Date of Patent:
Mar. 04, 2014

Filed:

Jun. 07, 2012
Applicant:

Franz Laimboeck, Goleta, CA (US);

Inventor:

Franz Laimboeck, Goleta, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cylinder of an externally fired, two-stroke engine has at least two exhaust channels. At least the inflow openings of the exhaust channels are located or formed symmetrical in relation to a plane of symmetry containing a longitudinal center axis of the cylinder. The inflow openings of the exhaust channels lying above each other in the cylinder wall surface and spaced apart by wall webs lie distributed over a peripheral region of the cylinder wall surface which in relation to the longitudinal center axis corresponds to a central angle Z of 175°≦Z≦280°, preferably 180°≦Z≦265°.


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