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US 2021/0285368 A1Published application
Engine
AssigneeArctic Cat Inc.
InventorsEberhard Wizgall, Dominik Hermann
Life of this patent
Estimating the term…
Abstract
Embodiments are directed toward an engine. In some embodiments, the engine includes a water pump and a balancer shaft. In some embodiments, the water pump has a plain bearing. In some embodiments, plain bearing is supplied with pressurized oil. In some embodiments, the balancer shaft drives the water pump as well as cam shafts.
Claims46
An engine comprising:
- a water pump having a plain bearing that is supplied with pressurized oil;
- and
- a balancer shaft that drives the water pump.
An engine for an off-highway, off-road vehicle, the engine comprising:
- an engine housing having an open bottom;
- and
- an oil pan assembly that includes an upper oil pan portion and a lower oil pan portion, the upper oil pan portion having an open top portion and an open bottom portion, the open top portion having a closed bottom, the open bottom portion having a closed top, the lower oil pan portion being coupled to a separable from the open bottom portion of the upper oil pan portion, the open top portion of the upper oil pan portion being coupled to the open bottom of the engine housing.
An engine comprising:
- a crankshaft having one or more bearings;
- a rotor driven by the crankshaft;
- a nozzle configured to spray pressurized oil onto the rotor;
- and
- an oil flow path that provides pressurized oil to the one or more bearings of the crankshaft and that provides pressurized oil from at least one of the one or more bearings of the crankshaft to the nozzle.
2 more elements
An engine comprising:
- a balancer shaft;
- an intake valve;
- and
- an exhaust valve, the balancer shaft driving the intake valve and the exhaust valve.
1 more element
Dependencies are inferred from the claim text.