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US 7,255,068 B2Granted
Cooling arrangement for a snow vehicle engine
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorTakashi Ashida
Life of this patent
Estimating the term…
Abstract
A snow vehicle includes an engine, a track belt arranged on a rear side of the engine, and a cooling water path for cooling the engine, in which the engine includes a cooling water inlet portion and a cooling water outlet portion provided on a front surface side of the engine and connected with the cooling water path. The snow vehicle is capable of improving the turning ability of the vehicle, while simplifying a cooling water path and reducing the size of the structure for cooling the engine.
Claims20
A snow vehicle comprising:
- an engine including a cooling water inlet portion and a cooling water outlet portion;
- a track belt arranged on a rear side of the engine;
- and
- a cooling water path arranged to cool the engine;
- wherein
- the cooling water inlet portion and the cooling water outlet portion are provided on a front surface side of the engine with respect to a forward running direction of the vehicle, and connected with the cooling water path,
- a reservoir tank is connected to the cooling water path, the engine further includes a cylinder and an engine path connected to the cylinder and arranged on the front surface side of the engine,
- the reservoir tank is arranged on an upper side of the cooling water path, and
- the cooling water outlet portion is arranged on a lower side of the cooling water path.
6 more elements
A snow vehicle comprising:
- an engine including a cooling water inlet portion and a cooling water outlet portion;
- a track belt arranged on a rear side of the engine;
- and
- a cooling water path arranged to cool the engine;
- wherein
- the cooling water inlet portion and the cooling water outlet portion are provided on a front surface side of the engine with respect to a forward running direction of the vehicle, and connected with the cooling water path;
- the engine further includes a water pump arranged to supply the cooling water to the cooling water path, wherein the water pump is arranged on the front surface side of the engine;
- and
- the water pump is arranged on an outer side of the engine in a vehicle width direction.
6 more elements
A snow vehicle comprising:
- an engine including a cooling water inlet portion and a cooling water outlet portion;
- a track belt arranged on a rear side of the engine;
- and
- a cooling water path arranged to cool the engine;
- wherein
- the cooling water inlet portion and the cooling water outlet portion are provided on a front surface side of the engine with respect to a forward running direction of the vehicle, and connected with the cooling water path;
- and
- an oil cooler is connected to the cooling water path, and the oil cooler is arranged on the front surface side of the engine.
5 more elements
A snow vehicle comprising:
- an engine including a cooling water inlet portion and a cooling water outlet portion;
- a track belt arranged on a rear side of the engine;
- and
- a cooling water path arranged to cool the engine;
- wherein
- the cooling water inlet portion and the cooling water outlet portion are provided on a front surface side of the engine with respect to a forward running direction of the vehicle, and connected with the cooling water path;
- and
- a thermostat and a reservoir tank are connected to the cooling water path, and both of the thermostat and the reservoir tank are arranged on either one of left and right sides in the forward running direction of the vehicle.
5 more elements
A snow vehicle comprising:
- an engine including a plurality of cylinders, a path connected to the plurality of cylinders and arranged on a front surface side of the engine, and a cooling water inlet portion and a cooling water outlet portion provided on the front surface side of the engine;
- a track belt arranged on a rear side of the engine;
- a cooling water path arranged to cool the engine;
- and
- a reservoir tank connected to the cooling water path;
- wherein
- the cooling water inlet portion and the cooling water outlet portion are connected with the cooling water path, the cooling water inlet portion of the engine is arranged such that cooling water flows between axis lines of predetermined cylinders in a direction of alignment of the plurality of cylinders, the reservoir tank is arranged on an upper side of the cooling water path, and the cooling water outlet portion is arranged on a lower side of the cooling water path.
4 more elements
Dependencies are inferred from the claim text.