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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 10989273 B1

PDFFull Text
Date of Patent:
Apr. 27, 2021

Filed:

Nov. 14, 2018

Power unit

Applicant:

Obrist Technologies Gmbh, Lustenau, AT;

Inventors:

Frank Obrist, Bregenz, AT;

Tsuneo Konno, Tokyo, JP;

Oliver Obrist, Dornbirn, AT;

Assignee:

OBRIST TECHNOLOGIES GMBH, Lustenau, AT;

Attorney:

Westman, Champlin & Koehler, P.A.

Primary Examiner:

Joseph J Dallo

Assistant Examiner:

Yi-Kai Wang

Int. Cl.
CPC ...
F16F 15/26 (2006.01); B60K 6/24 (2007.10); F02B 63/04 (2006.01); F02B 75/20 (2006.01); F02F 7/00 (2006.01); F16F 15/30 (2006.01); F16H 7/02 (2006.01); F16H 7/06 (2006.01); B60K 6/46 (2007.10); F02B 75/22 (2006.01); F01B 21/02 (2006.01); F16F 15/28 (2006.01); B60K 6/40 (2007.10); F01B 1/10 (2006.01); F02B 67/06 (2006.01); F02B 75/18 (2006.01);
U.S. Cl.
CPC ...
F16F 15/264 (2013.01); B60K 6/24 (2013.01); B60K 6/40 (2013.01); B60K 6/46 (2013.01); F01B 1/10 (2013.01); F01B 21/02 (2013.01); F02B 63/04 (2013.01); F02B 63/042 (2013.01); F02B 67/06 (2013.01); F02B 75/20 (2013.01); F02B 75/228 (2013.01); F02F 7/0007 (2013.01); F16F 15/26 (2013.01); F16F 15/28 (2013.01); F16F 15/30 (2013.01); F16H 7/02 (2013.01); F16H 7/06 (2013.01); F02B 2075/1808 (2013.01);
Abstract

The invention relates to a power unit, in particular for a hybrid vehicle, comprising a two-cylinder reciprocating piston engine comprising two pistons guided in two cylinders in tandem arrangement, and two counter-rotating crankshafts connected to the pistons by connecting rods, a generator which is rotatable in the same direction as the first crankshaft and in the opposite direction to the second crankshaft, and a balancer shaft which is rotatable in the same direction as the second crankshaft and in the opposite direction to the first crankshaft. The generator is operatively connected directly to the first crankshaft by a first traction mechanism and the balancer shaft is operatively connected directly to the second crankshaft by a second traction mechanism. The balancer shaft and/or the second crankshaft support(s) a flywheel mass element. The invention further relates to a vehicle, in particular a hybrid vehicle, having such a power unit.

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