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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.:

US 9719463 B1

PDFFull Text
Date of Patent:
Aug. 01, 2017

Filed:

Sep. 23, 2011

Engine

Applicants:

Bret Allen Oltmans, Stacy, MN (US);

Chad Michael Slater, Osceola, WI (US);

Daniel Joseph Nugteren, Stacy, MN (US);

George Jay Mckoskey, Forest Lake, MN (US);

Gordon Raymond Nelson, Cambridge, MN (US);

David Andrew Galsworthy, Wyoming, MN (US);

Blake Andrew Anderson, Lindstrom, MN (US);

Inventors:

Bret Allen Oltmans, Stacy, MN (US);

Chad Michael Slater, Osceola, WI (US);

Daniel Joseph Nugteren, Stacy, MN (US);

George Jay McKoskey, Forest Lake, MN (US);

Gordon Raymond Nelson, Cambridge, MN (US);

David Andrew Galsworthy, Wyoming, MN (US);

Blake Andrew Anderson, Lindstrom, MN (US);

Assignee:

Polaris Industries Inc., Medina, MN (US);

Attorney:

Faegre Baker Daniels LLP

Primary Examiner:

Kevin Lathers

Int. Cl.
CPC ...
F01L 7/00 (2006.01); F02F 7/00 (2006.01); F01L 1/02 (2006.01); F01M 1/02 (2006.01); F01M 1/06 (2006.01); F01M 9/10 (2006.01); F01M 13/04 (2006.01); F01P 5/12 (2006.01); F02B 67/04 (2006.01); F02B 67/06 (2006.01); F02F 1/38 (2006.01); F02F 1/40 (2006.01); F16C 3/14 (2006.01); F16F 15/26 (2006.01); F01L 1/053 (2006.01); F01M 11/00 (2006.01); F01M 11/02 (2006.01); F01M 11/03 (2006.01); F02N 11/00 (2006.01); F02N 15/00 (2006.01); F16N 7/34 (2006.01);
U.S. Cl.
CPC ...
F02F 7/0058 (2013.01); F01L 1/02 (2013.01); F01L 1/022 (2013.01); F01M 1/02 (2013.01); F01M 1/06 (2013.01); F01M 9/102 (2013.01); F01M 13/04 (2013.01); F01P 5/12 (2013.01); F02B 67/04 (2013.01); F02B 67/06 (2013.01); F02F 1/38 (2013.01); F02F 1/40 (2013.01); F02F 7/0004 (2013.01); F16C 3/14 (2013.01); F16F 15/26 (2013.01); F01L 2001/0537 (2013.01); F01M 2001/062 (2013.01); F01M 2011/007 (2013.01); F01M 2011/026 (2013.01); F01M 2011/031 (2013.01); F01M 2013/0461 (2013.01); F02N 11/00 (2013.01); F02N 15/006 (2013.01); F16N 7/34 (2013.01); F16N 2210/33 (2013.01);
Abstract

An engine is described having a crankcase, a liner and a head assembly. The crankcase is split along a plane defining a two part crankcase, where fluid passages are passing through only one of the crankcase portions, so as to not require crossing the split line. A connecting rod also includes a tapered end, and the piston has a complementary carrier receiving the connecting rod.

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