Four stroke engine having power take off assembly
AssigneeBombardier-Rotax GmbH
InventorsManfred Aichinger, Rudolf Tscherne, Alois Wolfsgruber, Michael Sonnleitner, Johann Holzleitner
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Abstract
A four stroke internal combustion engine is disclosed having a power take off housing located at one end of the engine. A crankshaft is operatively connected to a drive shaft and the cam shaft within the power take off housing. Furthermore, the crankshaft is operatively coupled within the power take off housing to at least one of a generator, an engine starting mechanism, a balance shaft, and a supercharger.
Claims81
A four stroke internal combustion engine, comprising:
- a crankcase having a crankshaft rotatably mounted therein, wherein the crankshaft extends from one end of the crankcase;
- a driveshaft operatively connected to the crankshaft;
- a cylinder head connected to the crankcase, wherein the crankcase and the cylinder head form at least one combustion cylinder chamber;
- at least one intake valve for the at least one combustion cylinder chamber;
- at least one exhaust valve for the of the at least one combustion cylinder chamber;
- a valve actuation assembly located in the cylinder head for operating the at least one intake valve and the at least one exhaust valve;
- a cam shaft located in the cylinder head and operatively connected to the valve actuation assembly;
- and
- a power take off housing located on the one end of the crankcase,
- wherein the crankshaft is operatively connected to the cam shaft, and
- wherein the crankshaft is operatively coupled within the power take off housing to at least one of the drive shaft, a generator, an engine starting mechanism, a balance shaft, and a supercharger.
The four stroke internal combustion engine according 2, wherein the generator is operatively coupled the rotating member.
A personal watercraft for use by at least one passenger, comprising:
- a hull;
- a seating assembly for the at least one passenger;
- and
- a four stroke internal combustion engine located within the hull, wherein the engine comprises
- a crankcase secured to the hull, wherein the crankcase having a crankshaft rotatably mounted therein;
- a drive shaft operatively connected to the crankshaft;
- a cylinder head connected to the crankcase, wherein the crankcase and the cylinder head form at least one combustion cylinder chamber;
- at least one intake valve for the at least one combustion cylinder chamber;
- at least one exhaust valve for the of the at least one combustion cylinder chamber;
- a valve actuation assembly located in the cylinder head for operating the at least one intake valve and the at least one exhaust valve;
- a cam shaft located in the cylinder head and operatively connected to the valve actuation assembly;
- and
- a power take off housing located on the one end of the crankcase,
- wherein the crankshaft is operatively connected to the cam shaft, and
- wherein the crankshaft is operatively coupled within the power take off housing to at least one of the drive shaft, a generator, an engine starting mechanism, a balance shaft, and a supercharger.
The personal watercraft according 48, wherein the generator is operatively coupled the rotating member.
Dependencies are inferred from the claim text.