Snowmobile having electronically controlled lubrication
AssigneeBombardier Recreational Products Inc.
InventorsMichel Bernier, Bruno Schuehmacher
Life of this patent
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Abstract
A snowmobile (10) having an electronic oil pump (72) fluidly connected to an oil tank (70) thereof is disclosed. The electronic oil pump (72) is fluidly connected to an engine (24) of the snowmobile (10) for delivering lubricant to the engine (24). An electronic control unit (150) is electrically connected to the electronic oil pump (72) for controlling actuation of the electronic oil pump (72). A method of operating an electronic oil pump (72) is also disclosed.
Claims25
A snowmobile comprising:
- a frame, the frame including:
- an engine compartment;
- and
- a tunnel rearward of the engine compartment;
- an endless drive track disposed below the tunnel for propelling the snowmobile;
- a pair of skis operatively connected to the frame;
- an engine disposed in the engine compartment, the engine being operatively connected to the endless drive track;
- an oil tank disposed in the engine compartment;
- an electronic oil pump fluidly connected to the oil tank, the electronic oil pump being disposed externally of the oil tank and being connected directly to a bottom of the oil tank, the electronic oil pump being fluidly connected to the engine for delivering lubricant to the engine;
- and
- an electronic control unit (ECU) electrically connected to the electronic oil pump for controlling actuation of the electronic oil pump.
(canceled)
(canceled)
A method of operating an electronic oil pump including an electromagnetic coil comprising:
- determining a cycle time of the electronic oil pump;
- determining a first time period, the first time period being longer than a stroke time of the electronic oil pump;
- connecting the electromagnetic coil to a power source for the first time period;
- and
- disconnecting the electromagnetic coil from the power source for a remainder of the cycle time.
(canceled)
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-37. (canceled)
Dependencies are inferred from the claim text.