Continuously and/or infinitely variable transmissions and methods therefor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16H-015/48
F16H-013/04
F16H-013/06
F16H-013/08
출원번호
US-0679337
(2012-11-16)
등록번호
US-8622866
(2014-01-07)
발명자
/ 주소
Bazyn, Matthew R.
Carter, Jeremy
Lohr, Charles B.
Malone, Curtis
McDaniel, Loren T.
Poxton, Peter D.
출원인 / 주소
Fallbrook Intellectual Property Company LLC
대리인 / 주소
Knobbe Martens Olson & Bear LLP
인용정보
피인용 횟수 :
56인용 특허 :
276
초록▼
An infinitely variable transmission (IVT) having a rotatable input shaft arranged along a longitudinal axis of the transmission. In one embodiment, the input shaft is adapted to supply a lubricant to the interior of the transmission. In some embodiments, a stator assembly is coupled to, and coaxial
An infinitely variable transmission (IVT) having a rotatable input shaft arranged along a longitudinal axis of the transmission. In one embodiment, the input shaft is adapted to supply a lubricant to the interior of the transmission. In some embodiments, a stator assembly is coupled to, and coaxial with, the input shaft. The IVT has a plurality of planets operably coupled to the stator assembly. The planets are arranged angularly about the longitudinal axis of the transmission. In one embodiment, a traction ring is operably coupled to the planets. The IVT is provided with a housing that is operably coupled to the traction ring. The housing is substantially fixed from rotating with the input shaft. The traction ring is substantially fixed from rotating with the input shaft. In some embodiments, the IVT is provided with a lubricant manifold that is configured to supply a lubricant to the input shaft.
대표청구항▼
1. A continuously variable transmission (CVT) having a longitudinal axis, the CVT comprising: a plurality of planets arranged angularly about the longitudinal axis of the CVT, each planet having a through bore that forms a tiltable axis of rotation of the planet;a main axle arranged along the longit
1. A continuously variable transmission (CVT) having a longitudinal axis, the CVT comprising: a plurality of planets arranged angularly about the longitudinal axis of the CVT, each planet having a through bore that forms a tiltable axis of rotation of the planet;a main axle arranged along the longitudinal axis of the CVT; anda lubricant manifold coupled to the main axle, wherein the lubricant manifold is adapted to supply lubricant to the main axle, the lubricant manifold comprising: a substantially circular body having a central bore;a flange extending from the circular body, the flange concentric with the central bore, wherein one side of the flange is an engagement face;an engagement hub extending from the engagement face, wherein the engagement hub has a central piloting recess, and wherein the outer face of the engagement hub has a reaction surface; anda lubricant passage boss extending from the flange. 2. The CVT of claim 1, further comprising a stator assembly operably coupled to the planets, wherein the stator assembly is concentric with the longitudinal axis of the CVT. 3. The CVT of claim 1, further comprising a shift rod arranged in a central bore of the main axle. 4. The CVT of claim 3, wherein the shift rod is adapted to supply the lubricant to the interior of the CVT. 5. The CVT of claim 1, wherein the body of the lubricant manifold is substantially disc-shaped, and wherein the lubricant manifold comprises: a shoulder located on the central bore adapted to receive a bearing of the CVT;a lubricant passage configured to intersect the central bore, wherein the lubricant passage extends radially from the central bore to an outer circumference of the disc-shaped body;a plurality of grooves arranged on the central bore, wherein the grooves are adapted to receive a plurality of seals of the CVT;an engagement shoulder extending from a face of the disc-shaped body, said engagement shoulder being coaxial with the central bore, the engagement face located on a face of the disc-shaped body that is oppositely located to the engagement shoulder,anda seal groove located on the engagement face. 6. The CVT of claim 1, further comprising a load cam ring coaxial with the plurality of planets, the load cam ring comprising: a substantially annular ring having a front face and a rear face;a plurality of bi-directional ramps located on the front face of the load cam ring, wherein the cross-section of said ramps is curved; anda plurality of engagement features located on the rear face of the load cam ring. 7. The CVT of claim 1, further comprising a traction ring coupled to the load cam rollers and further coupled to the planets, the traction ring comprising: a substantially annular ring having a front face and a rear face;a plurality of bi-directional ramps located on the front face of the traction ring, said ramps adapted to receive the load cam rollers, and wherein the cross-section of said ramps is curved; anda contact surface located on the rear face of the traction ring. 8. The CVT of claim 1, further comprising a housing cover comprising: a generally circular body having a central bore;a flange coupled to the circular body, the flange concentric with the central bore;a shoulder located on the inner diameter of the circular body; anda plurality of lubricant channels arranged angularly around the circumference of the circular body. 9. The CVT of claim 8, further comprising a housing subassembly coupled to the housing cover, the housing subassembly including a substantially cylindrical body configured to enclose components of the CVT. 10. The CVT of claim 9, wherein the housing subassembly is configured to rotate about the longitudinal axis of the CVT. 11. The CVT of claim 9, wherein the housing subassembly is substantially fixed from rotating about the longitudinal axis of the CVT. 12. The CVT of claim 1, further comprising a shift rod comprising: an elongated body having a central bore adapted to supply a lubricant to internal components of the CVT;a slot located substantially at a central portion of the elongated body, wherein the slot is adapted to supply lubricant to the central bore;a plurality of lubricant passages on a first end of the elongated body; andan actuator engagement passage located on a second end of the elongated body.
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이 특허에 인용된 특허 (276)
Gierling, Armin; Fichtinger, Thomas; Inerle, Norbert, Acoustic recognition of variator slip of a continuously variable transmission.
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