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公开(公告)号：US11466757B2
公开(公告)日：2022-10-11
申请号：US16606086
申请日：2018-05-14
申请人： AISIN CORPORATION
发明人： Takayuki Miyake , Akira Ochi , Wataru Ishihara , Junichi Tokunaga
摘要： A continuously variable transmission includes a transmission belt including a plurality of elements and a ring and wound around V-grooves of first and second pulleys, each of the plurality of elements including a body portion having a saddle surface and a pair of pillar portions extended from the body portion so as to be located on both sides in a lateral direction of the saddle surface, and the ring being disposed between the pair of pillar portions of each of the plurality of elements. When one of the first and second pulleys has its minimum groove width, at least a part in a thickness direction of the ring wound around the one of the first and second pulleys protrudes radially outward beyond an outermost circumference of a surface of the V-groove of the one of the first and second pulleys.
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公开(公告)号：US11300179B2
公开(公告)日：2022-04-12
申请号：US16536530
申请日：2019-08-09
发明人： Toru Yagasaki
摘要： Provided is a metal belt for a belt-driven continuously variable transmission in which metal elements are capable of keeping the compliance value small even when defamed. Each metal element of the metal belt includes a body portion located radially inward of metal rings, an ear portion located radially outward of the metal rings, and a neck portion sandwiched by the pair of metal rings and connecting the body portion and the ear portion. At least one of a front surface and a rear surface of the metal element has a recess at a center region in a right-left direction of the ear portion, and the depth of the recess is larger than the amount of curving in a front-rear direction of the ear portion.
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公开(公告)号：US11174913B2
公开(公告)日：2021-11-16
申请号：US16217125
申请日：2018-12-12
发明人： Yu Inase
IPC分类号： F16G5/16
摘要： A transmission belt includes: a plurality of elements, each having a plate shape, arranged sequentially in a ring manner; and a single-line ring having a belt shape and binding the elements together in a ring. Further, each of the elements includes pillar portions so that the single-line ring is inserted and a locking edge, provided on one surface in a plate thickness direction of the element, indicating a boundary region from which a plate thickness of the element changes, the pillar portions have respective ends, the ends having portions in a curved shape each having a predetermined curvature radius along a plane parallel to the single-line ring, and the portions in the curved shape include a first portion being formed on a front side at one end of the inner space, and a second portion being formed on a rear side at another end of the inner space.
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公开(公告)号：US20210207691A1
公开(公告)日：2021-07-08
申请号：US16948686
申请日：2020-09-29
发明人： Yu INASE , Keisuke NINOMIYA
摘要： Provided is a continuously variable transmission including: a first pulley including a first fixed sheave fixed to a first rotating shaft and a first movable sheave rotating integrally with the first rotating shaft and is movable along the first rotating shaft; a second pulley including a second fixed sheave fixed to a second rotating shaft and a second movable sheave rotating integrally with the second rotating shaft and is movable along the second rotating shaft; and a transmission belt wrapped around a belt wrapping groove formed on the first pulley and around a belt wrapping groove formed on the second pulley. In a belt track for a minimum gear ratio, surfaces of the first pulley that are in contact with the transmission belt have a lower coefficient of friction relative to the transmission belt than surfaces of the second pulley that are in contact with the transmission belt.
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公开(公告)号：US20210148439A1
公开(公告)日：2021-05-20
申请号：US16606086
申请日：2018-05-14
申请人： AISIN AW CO., LTD.
发明人： Takayuki MIYAKE , Akira OCHI , Wataru ISHIHARA , Junichi TOKUNAGA
摘要： A continuously variable transmission includes a transmission belt including a plurality of elements and a ring and wound around V-grooves of first and second pulleys, each of the plurality of elements including a body portion having a saddle surface and a pair of pillar portions extended from the body portion so as to be located on both sides in a lateral direction of the saddle surface, and the ring being disposed between the pair of pillar portions of each of the plurality of elements. When one of the first and second pulleys has its minimum groove width, at least a part in a thickness direction of the ring wound around the one of the first and second pulleys protrudes radially outward beyond an outermost circumference of a surface of the V-groove of the one of the first and second pulleys.
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公开(公告)号：US20210140512A1
公开(公告)日：2021-05-13
申请号：US16074189
申请日：2017-03-29
申请人： AISIN AW CO., LTD.
发明人： Hiroyuki OHATA , Yohei ITO
IPC分类号： F16G5/16
摘要： A metal belt manufacturing method includes: a step of inserting a retention member (30, 130) in an ended band shape into a clearance between an outer peripheral surface (12) of a ring (10) and an inner surface of a visor portion (23) which faces a base portion (21) in a recessed portion (25) and disposing the retention member (30, 130) circumferentially along the outer peripheral surface (12) of the ring (10); and a step of coupling the starting end portion and the terminal end portion of the retention member (30, 130) in an ended band shape to each other.
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公开(公告)号：US11002338B2
公开(公告)日：2021-05-11
申请号：US16117523
申请日：2018-08-30
发明人： Keisuke Ninomiya
摘要： A drive belt includes a hoop and multiple elements joined together in a loop by the hoop. Each element has an assembly space into which one end portion of the hoop is inserted during assembly. Each element is configured such that a first opening width, which is a distance between a first hook and a second hook, is less than a width of the hoop, and a second opening width, which is a distance between the second hook and a contact site where the one end portion of the hoop housed in the assembly space contacts a first pillar, is greater than the width of the hoop. The first hook and the second hook respectively include a first displacement-restriction surface and a second displacement-restriction surface each configured to restrict relative displacement between the element and the hoop by contacting a corresponding one of edges of the hoop.
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8.发明申请公开(公告)号：US20200300335A1
公开(公告)日：2020-09-24
申请号：US16762344
申请日：2018-12-07
发明人： Akira OCHI , Ryohei URATA , Wataru ISHIHARA , Junichi TOKUNAGA , Takayuki MIYAKE , Hideaki TAKAHARA , Keisuke NINOMIYA , Yu INASE , Fumiya KAJI , Yuji NAGASAWA
摘要： Elements of a transmission belt wound around pulleys of a continuously variable transmission each include a body part, a pair of pillar parts, and a pair of side surfaces. The pair of side surfaces each include a first side surface formed on a corresponding one of the pillar parts; and a second side surface formed so as to continue from the first side surface, and located more on an inner circumference side than the first side surface. A pair of the first side surfaces each are formed so as to be inclined toward an inner side of a corresponding one of the pillar parts with respect to an extending direction, from an inner circumference side to an outer circumference side of a ring, of a corresponding one of the second side surfaces continuing from the first side surface, and a pair of the second side surfaces is formed such that the second side surfaces are spaced farther apart from each other as the second side surfaces extend from the inner circumference side to the outer circumference side, and that an angle formed between the pair of the second side surfaces is larger by 0.2 to 0.8 degrees than an opening angle of V-shaped grooves of the pulleys.
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公开(公告)号：US10648534B2
公开(公告)日：2020-05-12
申请号：US15826094
申请日：2017-11-29
申请人： Fenner U.S., Inc.
发明人： Eric S. Mosser , Tyson Gabler
IPC分类号： B29C70/30 , B29D29/06 , B29D29/10 , B65G15/34 , B65G17/08 , F16G1/24 , F16G5/16 , B29C70/06 , B65G17/40 , B29C70/08 , B29L31/00 , B29C70/54
摘要： A link belt is provided wherein the link belt is formed of a plurality of links forming a series of links in successive overlapping relation. The link belt includes a first end having a first connector and a second end having a second connector so that the first connector is connected with the second connector to form a continuous loop of link belt. The link belt is formed by applying a lateral force against the assembled link belt while the link belt is under an axial tension to stretch the belt. After the step of stretching the belt, the first connector is connected with the second connector to form a continuous belt.
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公开(公告)号：US20200096078A1
公开(公告)日：2020-03-26
申请号：US16612439
申请日：2018-06-06
申请人： AISIN AW CO., LTD.
发明人： Takayuki MIYAKE , Akira OCHI , Wataru ISHIHARA , Junichi TOKUNAGA
IPC分类号： F16G5/16
摘要： An element of a transmission belt includes a pair of rocking edge portions with a convex surface, these are formed on one of a front face and a rear face to extend a part of the rocking edge portion over a pillar portion, and the rocking edge portions are spaced away from each other in a width direction; and a non-contact portion extended along a saddle surface in the width direction between the rocking edge portions, in non-contact with an adjacent element. S/A≥3.5 is satisfied, when a sum of widths of end portions of the rocking edge portions on an outer peripheral side of the transmission belt is set as “A”. A sum of surface areas of parts of the pillar portions on the outer peripheral side of the transmission belt is set as “S”.
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