Cooling arrangement for a snow vehicle engine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01P-004/14
B62M-027/02
B62M-027/00
출원번호
US-0320007
(2005-12-28)
등록번호
US-7255068
(2007-08-14)
발명자
/ 주소
Ashida,Takashi
출원인 / 주소
Yamaha Hatsudoki Kabushiki Kaisha
대리인 / 주소
Keating & Bennett, LLP
인용정보
피인용 횟수 :
4인용 특허 :
10
초록▼
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
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.
대표청구항▼
What is claimed is: 1. 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 w
What is claimed is: 1. 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. 2. The snow vehicle according to claim 1, further including a thermostat connected to the cooling water path and arranged to control a path of cooling water according to a temperature of the cooling water, wherein the cooling water path includes a cooler arranged to cool the cooling water and a bypass path in which the cooling water is controlled to pass therethrough by the thermostat when the water temperature of the cooling water is lower than a predetermined temperature and does not pass through the cooler, and the bypass path of the cooling water path is arranged on the front surface side of the engine. 3. The snow vehicle according to claim 1, wherein the engine path is an intake path. 4. The snow vehicle according to claim 1, further comprising a radiator connected to the cooling water path, wherein the radiator is arranged on the front surface side of the engine. 5. The snow vehicle according to claim 1, wherein a top of the engine is arranged to be inclined toward a rear side of the vehicle. 6. The snow mobile according to claim 1, wherein the engine is a four stroke engine. 7. 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. 8. The snow vehicle according to claim 7, wherein the engine further includes a cylinder and a cooling water jacket arranged at least at an upper portion and a side portion of the cylinder for cooling an inner portion of the engine, wherein the cooling water outlet portion of the engine is provided on the upper portion of the cooling water jacket, cooling water supplied from the cooling water inlet portion arranged on the front surface side of the engine to the inner portion of the engine is passed from a lower portion to the upper portion of the cooling water jacket and discharged to the cooling water path by way of the cooling water outlet portion, and the cooling water passing from the lower portion to the upper portion of the cooling water jacket is restricted such that an amount of the cooling water passing through a rear portion of the cooling water jacket becomes larger than an amount of the cooling water passing through a front portion of the cooling water jacket. 9. The snow vehicle according to claim 8, wherein the front portion and the rear portion of the cooling water jacket are respectively provided with a first passing hole and a second passing hole connecting the upper portion and the lower portion of the cooling water jacket, and wherein the second passing hole has an area larger than that of the first passing hole. 10. The snow vehicle according to claim 7, wherein the engine further includes a cylinder and an intake path and an exhaust path connected to the cylinder, wherein the intake path is arranged on the front surface side of the engine and the exhaust path is arranged on a rear surface side of the engine. 11. The snow vehicle according to claim 7, wherein the engine further includes a plurality of cylinders, wherein the cooling water inlet portion of the engine is arranged such that the cooling water flows between axis lines of predetermined cylinders in a direction of alignment of the plurality of cylinders. 12. The snow vehicle according to claim 7, wherein a portion of the cooling water path connecting the water pump and the cooling water inlet portion of the engine is arranged on the front surface side of the engine. 13. The snow vehicle according to claim 7, wherein the engine further includes a crankshaft, and wherein the water pump is transmitted with a drive force from the crankshaft. 14. 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. 15. The snow vehicle according to claim 14, wherein the engine further includes a cylinder and a cooling water jacket arranged at least at an upper portion and a side portion of the cylinder for cooling an inner portion of the engine, wherein the cooling water outlet portion of the engine is provided on the upper portion of the cooling water jacket, cooling water supplied from the cooling water inlet portion arranged on the front surface side of the engine to the inner portion of the engine is passed from a lower portion to the upper portion of the cooling water jacket and discharged to the cooling water path by way of the cooling water outlet portion, and the cooling water passing from the lower portion to the upper portion of the cooling water jacket is restricted such that an amount of the cooling water passing through a rear portion of the cooling water jacket becomes larger than an amount of the cooling water passing through a front portion of the cooling water jacket. 16. The snow vehicle according to claim 15, wherein the front portion and the rear portion of the cooling water jacket are respectively provided with a first passing hole and a second passing hole connecting the upper portion and the lower portion of the cooling water jacket, and wherein the second passing hole has an area larger than that of the first passing hole. 17. 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. 18. The snow vehicle according to claim 17, wherein the engine further includes a cylinder and a cooling water jacket arranged at least at an upper portion and a side portion of the cylinder for cooling an inner portion of the engine, wherein the cooling water outlet portion of the engine is provided on the upper portion of the cooling water jacket, cooling water supplied from the cooling water inlet portion arranged on the front surface side of the engine to the inner portion of the engine is passed from a lower portion to the upper portion of the cooling water jacket and discharged to the cooling water path by way of the cooling water outlet portion, and the cooling water passing from the lower portion to the upper portion of the cooling water jacket is restricted such that an amount of the cooling water passing through a rear portion of the cooling water jacket becomes larger than an amount of the cooling water passing through a front portion of the cooling water jacket. 19. The snow vehicle according to claim 18, wherein the front portion and the rear portion of the cooling water jacket are respectively provided with a first passing hole and a second passing hole connecting the upper portion and the lower portion of the cooling water jacket, and wherein the second passing hole has an area larger than that of the first passing hole. 20. 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.
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이 특허에 인용된 특허 (10)
Morii, Hideshi; Yatagai, Yasuaki; Sasaki, Yutaka; Shibano, Ken; Matsumura, Hitoshi, Cooling arrangement for a snowmobile engine.
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