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:
May. 19, 2015
Filed:
May. 16, 2011
Applicants:
Rikard Mikalsen, Hamburg, DE;
Anthony Paul Roskilly, Longhorsley, GB;
Inventors:
Rikard Mikalsen, Hamburg, DE;
Anthony Paul Roskilly, Longhorsley, GB;
Assignee:
University of Newcastle upon Tyne, Newcastle upon Tyne, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 71/00 (2006.01); F02B 75/16 (2006.01); F02B 33/06 (2006.01); F02B 75/02 (2006.01); F01B 11/00 (2006.01); F02B 63/04 (2006.01);
U.S. Cl.
CPC ...
F02B 71/00 (2013.01); F01B 11/004 (2013.01); F02B 33/06 (2013.01); F02B 63/041 (2013.01);
Abstract
A linear-acting, free-piston internal combustion engine suitable for operation on a four-stroke engine cycle comprises a power piston () reciprocating in a power chamber () and a compression piston () reciprocating in a compression chamber (). The power piston () and the compression piston () are rigidly connected by means of a rod (). The compression piston () performs alternately an intake stroke and a compression stroke and the power piston () performs alternately a power stroke and an exhaust stroke.