최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0186898 (2016-06-20) |
등록번호 | US-10260607 (2019-04-16) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 406 |
Components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT) having a variator provided with a plurality of tilting, traction planets and traction rings are described. In one embodiment, a variator is coupled to a rangebox to provide multiple operating modes. In a
Components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT) having a variator provided with a plurality of tilting, traction planets and traction rings are described. In one embodiment, a variator is coupled to a rangebox to provide multiple operating modes. In another embodiment, a hydraulic system is configured to control the transmission ratio of the variator and the rangebox. Shift-cam-and-sun subassemblies can be used to facilitate shifting of the transmission ratio of a CVT. A transmission housing and bell housing can be adapted to house components of a CVT and, in some embodiments, to cooperate with other components of the CVT to support operation and/or functionality of the CVT. Related devices include, for example, a pivot arm, a control feedback mechanism, axial force generation and management mechanisms, a control valve integral with an input shaft, a pivot pin hub, and a rotatable carrier configured to support planet-pivot arm assemblies.
1. A transmission comprising: an input interface for receiving power from a power source;an output interface for delivering power to a load;a variator operably coupled to the input interface and operably coupled to the output interface, the variator comprising a plurality of spherical traction rolle
1. A transmission comprising: an input interface for receiving power from a power source;an output interface for delivering power to a load;a variator operably coupled to the input interface and operably coupled to the output interface, the variator comprising a plurality of spherical traction rollers,an input element in contact with the plurality of spherical traction rollers,an output element in contact with the plurality of spherical traction rollers, anda shifter assembly for adjusting an axis of rotation of the spherical traction rollers; anda parallel branch operably coupled to the input interface and the output interface, wherein in a first configuration, power from the input interface is directly transferred through the parallel branch without variation of a rotational speed, wherein in a second configuration, power from the input interface is transferred through the variator to the output interface, wherein the rotational speed or a rotational direction may be changed, and wherein in a third configuration, a portion of the power from the input interface is transferred through the variator and a portion of the power from the input interface is transferred through the parallel branch. 2. The transmission of claim 1, further comprising a hydraulic system for actuating the shifter assembly, wherein the hydraulic system comprises at least one hydraulic piston. 3. The transmission of claim 1, wherein the output interface comprises a planetary gear set operationally coupled to the variator and the parallel branch. 4. The transmission of claim 3, further comprising a range box coupled to the output interface. 5. The transmission of claim 4, wherein the range box comprises gearing and clutching for providing a high gear mode and further comprises gearing and clutching for providing a low gear mode. 6. The transmission of claim 1, wherein the input interface comprises one of a torque converter assembly and a clutch assembly. 7. The transmission of claim 6, wherein the input interface comprises a clutch assembly, and wherein the clutch assembly comprises a computer-controlled clutch assembly. 8. The transmission of claim 1, wherein the parallel branch is configured to modulate power in a discrete mode. 9. The transmission of claim 1, wherein the parallel branch is configured to modulate power in a plurality of discrete modes. 10. The transmission of claim 1, wherein power distribution between the variator and the parallel branch is based on a torque ratio setting of the variator. 11. The transmission of claim 10, wherein power distribution between the variator and the parallel branch is based on an input power specification of the variator relative to an output power specification of the variator. 12. The transmission of claim 1, wherein the variator is mounted on a main shaft, and wherein power is transferred to the variator through the main shaft. 13. The transmission of claim 1, wherein the variator is mounted on a main shaft, wherein the variator transfers power to a first portion of a combining device, and wherein the main shaft forms the parallel branch and transfers power to a second portion of the combining device. 14. The transmission of claim 13, wherein the combining device comprises a planetary gear set.
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