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US 2023/0184162 A1Published application
Oil pan for internal combustion engine
AssigneeArctic Cat Inc.
InventorsEberhard Wizgall, Dominik Hermann
Life of this patent
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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.
Claims20
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 oil pan arrangement for an engine comprising:
- a first portion directly beneath an engine crankshaft, the first portion having an open top portion beneath the crankshaft for receiving oil from the engine;
- a second portion offset to a side of the first portion and having a lower sump portion lower than a bottom of the first portion.
An oil pan assembly for an internal combustion engine comprising:
- an upper portion directly beneath an engine crankshaft,
- a lower portion generally to the side of the upper portion, the lower portion extending below the level of the upper portion and forming a sump to receive oil for circulation back to engine components,
- wherein the upper portion includes a sloped floor that angles downwardly to the lower portion, and
- wherein a pickup channel extends to near the bottom of the sump, the pickup channel extending from near the bottom of the sump through a portion of the upper portion then to an oil pump.
1 more element
Dependencies are inferred from the claim text.