IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0320131
(2002-12-16)
|
우선권정보 |
JP-0398353 (2001-12-27) |
발명자
/ 주소 |
- Hasegawa, Hiroyuki
- Yoshimoto, Shinya
- Itoh, Hiroyuki
- Dairokuno, Satoshi
|
출원인 / 주소 |
|
대리인 / 주소 |
Frishauf, Holtz, Goodman & Chick, P.C.
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
7 |
초록
▼
A speed increasing gear used in a supercharger has a center roller connected to an output shaft, an outer wheel arranged eccentric to the center roller, and a plurality of intermediate rollers arranged within an annular space in which a width of the center roller with respect to a diametrical direct
A speed increasing gear used in a supercharger has a center roller connected to an output shaft, an outer wheel arranged eccentric to the center roller, and a plurality of intermediate rollers arranged within an annular space in which a width of the center roller with respect to a diametrical direction is uneven with respect to a circumferential direction of the center roller. The annular space is provided between the center roller and the outer wheel, and a pivot of at least one intermediate roller is movably arranged in a circumferential direction and a radial direction of the center roller.
대표청구항
▼
1. A supercharger in which a rotation speed of an input shaft is increased by a speed increasing gear so as to be transmitted to an output shaft, and an impeller is provided in the output shaft, wherein the speed increasing gear comprises:a center roller connected to the output shaft;an outer wheel
1. A supercharger in which a rotation speed of an input shaft is increased by a speed increasing gear so as to be transmitted to an output shaft, and an impeller is provided in the output shaft, wherein the speed increasing gear comprises:a center roller connected to the output shaft;an outer wheel arranged eccentric to the center roller; anda plurality of intermediate rollers arranged within an annular space in which a width of the center roller with respect to a diametrical direction is uneven with respect to a circumferential direction of the center roller,wherein said annular space is provided between a driven side cylindrical surface corresponding to an outer circumferential surface of the center roller and a drive side cylindrical surface corresponding to an inner circumferential surface of the outer wheel,wherein respective outer circumferential surfaces of said intermediate rollers are formed as power transmitting cylindrical surfaces, andwherein a pivot of at least one of said intermediate rollers is movably arranged in a circumferential direction and a radial direction of the center roller. 2. A supercharger as claimed in claim 1, further comprising a circulation path for circulating traction oil in an inner portion of the speed increasing gear to portions to be lubricated, based on rotation of the speed increasing gear. 3. A supercharger as claimed in claim 1, wherein the speed increasing gear comprises a built-in oil pump for circulating traction oil in an inner portion of the speed increasing gear. 4. A supercharger as claimed in claim 2, wherein the speed increasing gear comprises a built-in oil pump for circulating the traction oil in the inner portion of the speed increasing gear. 5. A supercharger as claimed in claim 1, wherein a balance plate is provided in the output shaft, a supercharging pressure is applied to a first side of the balance plate, and at least one of a suction pressure and an atmospheric pressure is applied to a second side of the balance plate. 6. A supercharger as claimed in claim 2, wherein a balance plate is provided in the output shaft, a supercharging pressure is applied to a first side of the balance plate, and at least one of a suction pressure and an atmospheric pressure is applied to a second side of the balance plate. 7. A supercharger as claimed in claim 3, wherein a balance plate is provided in the output shaft, a supercharging pressure is applied to a first side of the balance plate, and at least one of a suction pressure and an atmospheric pressure is applied to a second side of the balance plate. 8. A supercharger as claimed in claim 4, wherein a balance plate is provided in the output shaft, a supercharging pressure is applied to a first side of the balance plate, and at least one of a suction pressure and an atmospheric pressure is applied to a second side of the balance plate. 9. A supercharger as claimed in claim 1, wherein an input pulley is connectable to the input shaft, and an electromagnetic clutch is provided between the input pulley and the input shaft. 10. A supercharger as claimed in claim 2, wherein an input pulley is connectable to the input shaft, and an electromagnetic clutch is provided between the input pulley and the input shaft. 11. A supercharger as claimed in claim 3, wherein an input pulley is connectable to the input shaft, and an electromagnetic clutch is provided between the input pulley and the input shaft. 12. A supercharger as claimed in claim 4, wherein an input pulley is connectable to the input shaft, and an electromagnetic clutch is provided between the input pulley and the input shaft. 13. A supercharger as claimed in claim 5, wherein an input pulley is connectable to the input shaft, and an electromagnetic clutch is provided between the input pulley and the input shaft. 14. A supercharger as claimed in claim 6, wherein an input pulley is connectable to the input shaft, and an electromagnetic clutch is provided between the input pulley and t he input shaft. 15. A supercharger as claimed in claim 7, wherein an input pulley is connectable to the input shaft, and an electromagnetic clutch is provided between the input pulley and the input shaft. 16. A supercharger as claimed in claim 8, wherein an input pulley is connectable to the input shaft, and an electromagnetic clutch is provided between the input pulley and the input shaft. 17. A supercharger as claimed in claim 1, wherein the plurality of intermediate rollers are arranged peripheral to the center roller with a uniform interval. 18. A supercharger as claimed in claim 1, wherein said pivot of said at least one of said intermediate rollers is freely displaceable within a guide groove, and a displaceable distance of said intermediate roller is regulated by the guide groove. 19. A supercharger as claimed in claim 3, wherein the oil pump supplies the traction oil to a bearing of the output shaft. 20. A supercharger as claimed in claim 4, wherein the oil pump is a trochoidal pump.
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