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公开(公告)号：US20080034586A1
公开(公告)日：2008-02-14
申请号：US11842118
申请日：2007-08-20
Applicant: Robert Smithson , Brad Pohl , Oronde Armstrong , Donald Miller , Daniel Dawe , Fernand Thomassy , Mathew Simister , Wesley Poth , Jon Nichols , Charles Lohr
Inventor： Robert Smithson , Brad Pohl , Oronde Armstrong , Donald Miller , Daniel Dawe , Fernand Thomassy , Mathew Simister , Wesley Poth , Jon Nichols , Charles Lohr
CPC classification number: F16H15/503 , B62M9/00 , B62M23/00 , F16H15/28 , F16H15/50 , Y10T29/49462 , Y10T29/49464 , Y10T29/49467 , Y10T29/4984
Abstract: A continuously variable transmission (CVT) having a main shaft configured to support and position various components of the CVT. Shift cam discs cooperate with ball-leg assemblies to shift the transmission ration of the CVT. Load cam discs, a torsion disc, rolling elements, and a hub cap shell are configured to generate axial force, transmit torque, and manage reaction forces. In one embodiment, a splined input shaft and a torsion disc having a splined bore cooperate to input torque into the variator of the CVT. Among other things, various ball axles, axle-ball combinations, and reaction force grounding configurations are disclosed. In one embodiment, a CVT having axial force generation means at both the input and output elements is disclosed.
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公开(公告)号：US20070270265A1
公开(公告)日：2007-11-22
申请号：US11834875
申请日：2007-08-07
Applicant: Donald Miller , David Allen , Robert Smithson
Inventor： Donald Miller , David Allen , Robert Smithson
IPC: F16H15/50
CPC classification number: B62D5/0475 , B62D5/0409 , B62M9/08 , F16H15/28 , F16H15/52 , F16H37/084 , F16H61/6649 , Y10S903/918 , Y10S903/945 , Y10S903/951 , Y10T74/19251 , Y10T74/19555 , Y10T74/1956 , Y10T477/23 , Y10T477/33 , Y10T477/619 , Y10T477/621 , Y10T477/679 , Y10T477/688
Abstract: A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and in contact with each of the balls, a rotatable output disc positioned adjacent to the balls opposite the input disc and in contact with each of the balls such that each of the balls makes three-point contact with the input disc, the output disc and the idler, and a rotatable cage adapted to maintain the axial and radial position of each of the balls, wherein the axes of the balls are oriented by the axial position of the idler.
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公开(公告)号：US20050178893A1
公开(公告)日：2005-08-18
申请号：US11030627
申请日：2005-01-05
Applicant: Donald Miller , David Allen , Robert Smithson
Inventor： Donald Miller , David Allen , Robert Smithson
CPC classification number: F16H61/6649 , B62M9/08 , B62M11/04 , B62M11/14 , F16H15/28 , F16H15/40 , F16H15/50 , F16H15/503 , F16H15/52 , F16H37/084 , F16H37/0853 , F16H37/086 , F16H63/067 , F16H2037/088 , F16H2037/101 , Y10T29/49464 , Y10T408/65
Abstract: A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimum speeds to be in reverse and the unique geometry of the transmission allows all of the power paths to be coaxial, thereby reducing overall size and complexity of the transmission in comparison to transmissions achieving similar transmission ratio ranges.
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公开(公告)号：US20050176545A1
公开(公告)日：2005-08-11
申请号：US11051064
申请日：2005-02-03
Applicant: Donald Miller , David Allen , Robert Smithson , Jeffrey Birchak
Inventor： Donald Miller , David Allen , Robert Smithson , Jeffrey Birchak
IPC: B62D5/04 , B62M9/08 , F16H15/28 , F16H15/40 , F16H15/52 , F16H37/08 , F16H61/664 , B62D11/06 , F16H15/38
CPC classification number: B62D5/0475 , B62D5/0409 , B62M9/08 , F16H15/28 , F16H15/52 , F16H37/084 , F16H61/6649 , Y10S903/918 , Y10S903/945 , Y10S903/951 , Y10T74/19251 , Y10T74/19555 , Y10T74/1956 , Y10T477/23 , Y10T477/33 , Y10T477/619 , Y10T477/621 , Y10T477/679 , Y10T477/688
Abstract: A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and in contact with each of the balls, a rotatable output disc positioned adjacent to the balls opposite the input disc and in contact with each of the balls such that each of the balls makes three-point contact with the input disc, the output disc and the idler, and a rotatable cage adapted to maintain the axial and radial position of each of the balls, wherein the axes of the balls are oriented by the axial position of the idler.
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Patent Agency Ranking
公开(公告)号：US20050164819A1
公开(公告)日：2005-07-28
申请号：US11030624
申请日：2005-01-05
Applicant: Donald Miller , David Allen , Robert Smithson
Inventor： Donald Miller , David Allen , Robert Smithson
CPC classification number: F16H61/6649 , B62M9/08 , B62M11/04 , B62M11/14 , F16H15/28 , F16H15/40 , F16H15/50 , F16H15/503 , F16H15/52 , F16H37/084 , F16H37/0853 , F16H37/086 , F16H63/067 , F16H2037/088 , F16H2037/101 , Y10T29/49464 , Y10T408/65
Abstract: A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimum speeds to be in reverse and the unique geometry of the transmission allows all of the power paths to be coaxial, thereby reducing overall size and complexity of the transmission in comparison to transmissions achieving similar transmission ratio ranges.
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公开(公告)号：US20050159267A1
公开(公告)日：2005-07-21
申请号：US11030442
申请日：2005-01-05
Applicant: Donald Miller , David Allen , Robert Smithson
Inventor： Donald Miller , David Allen , Robert Smithson
IPC: B62M9/08 , B62M11/04 , B62M11/14 , F16H15/28 , F16H15/40 , F16H37/08 , F16H61/664 , F16H37/02 , B60K17/06
CPC classification number: F16H61/6649 , B62M9/08 , B62M11/04 , B62M11/14 , F16H15/28 , F16H15/40 , F16H15/50 , F16H15/503 , F16H15/52 , F16H37/084 , F16H37/0853 , F16H37/086 , F16H63/067 , F16H2037/088 , F16H2037/101 , Y10T29/49464 , Y10T408/65
Abstract: A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimum speeds to be in reverse and the unique geometry of the transmission allows all of the power paths to be coaxial, thereby reducing overall size and complexity of the transmission in comparison to transmissions achieving similar transmission ratio ranges.
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公开(公告)号：US20050159266A1
公开(公告)日：2005-07-21
申请号：US11030415
申请日：2005-01-05
Applicant: Donald Miller , David Allen , Robert Smithson
Inventor： Donald Miller , David Allen , Robert Smithson
CPC classification number: F16H61/6649 , B62M9/08 , B62M11/04 , B62M11/14 , F16H15/28 , F16H15/40 , F16H15/50 , F16H15/503 , F16H15/52 , F16H37/084 , F16H37/0853 , F16H37/086 , F16H63/067 , F16H2037/088 , F16H2037/101 , Y10T29/49464 , Y10T408/65
Abstract: A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimum speeds to be in reverse and the unique geometry of the transmission allows all of the power paths to be coaxial, thereby reducing overall size and complexity of the transmission in comparison to transmissions achieving similar transmission ratio ranges.
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公开(公告)号：US20050137052A1
公开(公告)日：2005-06-23
申请号：US11051093
申请日：2005-02-03
Applicant: Donald Miller , David Allen , Robert Smithson , Jeffrey Birchak
Inventor： Donald Miller , David Allen , Robert Smithson , Jeffrey Birchak
CPC classification number: B62D5/0475 , B62D5/0409 , B62M9/08 , F16H15/28 , F16H15/52 , F16H37/084 , F16H61/6649 , Y10S903/918 , Y10S903/945 , Y10S903/951 , Y10T74/19251 , Y10T74/19555 , Y10T74/1956 , Y10T477/23 , Y10T477/33 , Y10T477/619 , Y10T477/621 , Y10T477/679 , Y10T477/688
Abstract: A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and in contact with each of the balls, a rotatable output disc positioned adjacent to the balls opposite the input disc and in contact with each of the balls such that each of the balls makes three-point contact with the input disc, the output disc and the idler, and a rotatable cage adapted to maintain the axial and radial position of each of the balls, wherein the axes of the balls are oriented by the axial position of the idler.
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公开(公告)号：US20050113202A1
公开(公告)日：2005-05-26
申请号：US10949741
申请日：2004-09-24
Applicant: Donald Miller , David Allen , Robert Smithson , Jeffrey Birchak
Inventor： Donald Miller , David Allen , Robert Smithson , Jeffrey Birchak
CPC classification number: B62D5/0475 , B62D5/0409 , B62M9/08 , F16H15/28 , F16H15/52 , F16H37/084 , F16H61/6649 , Y10S903/918 , Y10S903/945 , Y10S903/951 , Y10T74/19251 , Y10T74/19555 , Y10T74/1956 , Y10T477/23 , Y10T477/33 , Y10T477/619 , Y10T477/621 , Y10T477/679 , Y10T477/688
Abstract: A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and in contact with each of the balls, a rotatable output disc positioned adjacent to the balls opposite the input disc and in contact with each of the balls such that each of the balls makes three-point contact with the input disc, the output disc and the idler, and a rotatable cage adapted to maintain the axial and radial position of each of the balls, wherein the axes of the balls are oriented by the axial position of the idler.
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