IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0527602
(2006-09-27)
|
등록번호 |
US-7478612
(2009-01-20)
|
우선권정보 |
JP-2005-287129(2005-09-30) |
발명자
/ 주소 |
- Shiozaki,Eiko
- Haze,Hirotaka
- Mukouhara,Hodaka
|
출원인 / 주소 |
|
대리인 / 주소 |
Birch, Stewart, Kolasch & Birch, LLP
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
11 |
초록
▼
An engine cooling apparatus includes a cooling water outlet communicating with a water jacket provided in a cylinder block and a cylinder head provided on an intake port side of the cylinder head. A thermostat switches a path for cooling water discharged from the cooling water outlet, according to a
An engine cooling apparatus includes a cooling water outlet communicating with a water jacket provided in a cylinder block and a cylinder head provided on an intake port side of the cylinder head. A thermostat switches a path for cooling water discharged from the cooling water outlet, according to a cooling water temperature. A thermostat case for the thermostat is disposed downward of a line L extended from a coupling surface between a cylinder block and a cylinder head. The thermostat case and the cooling water outlet are connected via a connecting pipe. This arrangement makes it easy to secure a space for disposing the thermostat.
대표청구항
▼
What is claimed is: 1. An engine cooling apparatus comprising: a cooling water outlet that communicates with a water jacket provided in a cylinder block and a cylinder head, said cooling water outlet being provided on an intake-ports-side of the cylinder head; and a thermostat to switch, according
What is claimed is: 1. An engine cooling apparatus comprising: a cooling water outlet that communicates with a water jacket provided in a cylinder block and a cylinder head, said cooling water outlet being provided on an intake-ports-side of the cylinder head; and a thermostat to switch, according to a cooling water temperature, a path for cooling water discharged from the cooling water outlet, that is connected to the cooling water outlet, wherein a thermostat case for the thermostat is disposed in its entirety downward of a line extended from a coupling surface between the cylinder block and the cylinder head, and the thermostat case and the cooling water outlet are connected via a connecting pipe. 2. The engine cooling apparatus according to claim 1, further comprising a transmission case that is integrally connected to a crankcase such that the transmission case is, when mounted on a motorcycle, positioned rearward of the cylinder block, the crankcase supporting a crankshaft, and wherein a starter motor, at least partly overlapping with the thermostat case as seen from a side, is disposed upward of the transmission case. 3. The engine cooling apparatus according to claim 2, further comprising: a clutch housing portion formed in an end portion, along an axis of the crankshaft, of the transmission case, the clutch housing portion having a bulgy top, which as seen from the side, overlaps with the thermostat case, and a cooling water hose extending along the axis of the crankshaft, the cooling water hose having an upstream end that is connected to the thermostat case at a position upward of the transmission case, and a downstream end of that is connected to a radiator. 4. The engine cooling apparatus according to claim 1, further comprising: a starter motor disposed upward of a transmission case, and a clutch housing portion having a bulgy top formed in an end portion, along an axis of the crankshaft, of the transmission case, and when seen from a side, the starter motor, the bulgy top of the transmission case and the thermostat case at least partly overlap with each other. 5. The engine cooling apparatus according to claim 1, wherein the cooling water outlet leading to the water jacket is provided on a left end portion of a rear side of the cylinder head. 6. The engine cooling apparatus according to claim 1, further comprising an air bleeding member arranged to communicate with a highest interior portion of the water jacket. 7. The engine cooling apparatus according to claim 6, wherein the air bleeding member is attached to a portion of the cylinder head toward a right end of a rear side of the cylinder head. 8. The engine cooling apparatus according to claim 1, further comprising an air bleeding member communicating with the water jacket, the air bleeding member and the water cooling outlet being disposed at opposite end portions of the cylinder head in a right and left direction. 9. The engine cooling apparatus according to claim 1, wherein the connecting pipe and the thermostat case are formed in a unitary structure. 10. The engine cooling apparatus according to claim 1, wherein the connecting pipe is a discrete member. 11. An engine cooling apparatus comprising: a cooling water outlet that communicates with a water jacket provided in a cylinder block and a cylinder head, said cooling water outlet being provided on an intake-ports-side of the cylinder head; and a thermostat to switch, according to a cooling water temperature, a path for cooling water discharged from the cooling water outlet, that is connected to the cooling water outlet, wherein an air bleeding member communicated with the water jacket is attached to the cylinder head, a thermostat case for the thermostat is disposed downward of the air bleeding member, and a starter motor disposed upward of a transmission case, the starter motor at least partly overlapping with the thermostat case when seen from a side, wherein the thermostat case and the cooling water outlet are connected via a connecting pipe which has an upper inner wall surface inclined to be gradually higher toward the cooling water outlet. 12. The engine cooling apparatus according to claim 11, wherein the transmission case is integrally connected to a crankcase such that the transmission case is, when mounted on a motorcycle, positioned rearward of the cylinder block, the crankcase supporting a crankshaft. 13. An engine cooling apparatus comprising: a cooling water outlet that communicates with a water jacket provided in a cylinder block and a cylinder head, said cooling water outlet being provided on an intake-ports-side of the cylinder head; and a thermostat to switch, according to a cooling water temperature, a path for cooling water discharged from the cooling water outlet, that is connected to the cooling water outlet, wherein an air bleeding member communicated with the water jacket is attached to the cylinder head, a thermostat case for the thermostat is disposed downward of the air bleeding member, the thermostat case and the cooling water outlet being connected via a connecting pipe which has an upper inner wall surface inclined to be gradually higher toward the cooling water outlet, a clutch housing portion formed in an end portion, along an axis of a crankshaft, of a transmission case, the clutch housing portion having a bulgy top, which as seen from a side, overlaps with the thermostat case, and a cooling water hose extending along the axis of the crankshaft, the cooling water hose having an upstream end that is connected to the thermostat case at a position upward of the transmission case, and a downstream end of that is connected to a radiator. 14. The engine cooling apparatus according to claim 11, further comprising a clutch housing portion having a bulgy top formed in an end portion, along an axis of the crankshaft, of the transmission case, and when seen from the side, the starter motor, the bulgy top of the transmission case and the thermostat case at least partly overlap with each other. 15. The engine cooling apparatus according to claim 11, wherein the cooling water outlet leading to the water jacket is provided on a left end portion of a rear side of the cylinder head. 16. The engine cooling apparatus according to claim 11, wherein the air bleeding member is arranged to communicate with a highest interior portion of the water jacket. 17. The engine cooling apparatus according to claim 16, wherein the air bleeding member is attached to a portion of the cylinder head toward a right end of a rear side of the cylinder head. 18. The engine cooling apparatus according to claim 11, wherein the air bleeding member and the water cooling outlet are disposed at opposite end portions of the cylinder head in a right and left direction. 19. The engine cooling apparatus according to claim 11, wherein the connecting pipe and the thermostat case are formed in a unitary structure. 20. The engine cooling apparatus according to claim 11, wherein the connecting pipe is a discrete member.
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