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61. 发明专利

JP2001165266A TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION FOR FOUR-WHEEL DRIVE VEHICLE 失效
公开(公告)号：JP2001165266A
公开(公告)日：2001-06-19
申请号：JP34670399
申请日：1999-12-06
申请人： NSK LTD , VOLKSWAGEN AG
发明人： MACHIDA TAKASHI , KATO HIROSHI , PANAJIOTEISU ADAMISU , REINER PETERSEN , LAAS HOFFMANN , PETER THENBERGE , NEIZAA EMANJOME , JOERG MEEKERU
IPC分类号： B60K17/34 , B60K17/348 , F16H15/38 , F16H37/02
摘要： PROBLEM TO BE SOLVED: To realize a structure that can lighten a four-wheel drive vehicle as its center differential gear is dispensed with and can raise the degree of freedom in arrangement of members and facilitate the design of the four-wheel drive vehicle. SOLUTION: A torque converter 39, a forward/backward movements switching unit 42 and a toroidal type continuously variable transmission unit 40 are arranged in series to the direction of power transmission. A hydraulic loading device is installed on the opposite side of the forward/backward movements switching unit 42. Both of a first and a second output side disks 34, 37 constituting the toroidal type continuously variable transmission unit 40 support the mutually independent rotation freely. The first output side disk 34 rotates and drives a driving shaft 51 for front wheels and the second output side disk 37 rotates and drives a driving shaft 52 for rear wheels, respectively.

62. 发明专利

JP2001165263A TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION 失效
公开(公告)号：JP2001165263A
公开(公告)日：2001-06-19
申请号：JP34670599
申请日：1999-12-06
申请人： NSK LTD , VOLKSWAGEN AG
发明人： MACHIDA TAKASHI , KATO HIROSHI , PANAJIOTEISU ADAMISU , REINER PETERSEN , LAAS HOFFMANN , PETER THENBERGE , NEIZAA EMANJOME , JOERG MEEKERU
IPC分类号： F16H15/38
摘要： PROBLEM TO BE SOLVED: To realize a miniaturized and lightweight structure that can reduce the sliding and obtain excellent transmission efficiency. SOLUTION: A carrier 47 to be functioned as an output part of the forward/ backward movements switching unit 45 and a first input side disk 37 are fitted outside of the latter half part 11b of an input shaft 11 and fixed. A hydraulic loading device 56 for securing the face pressure of a traction part is established on the opposite side of the forward/backward movements switching unit 45 in the axial direction. The size of a part to apply power to a troidal type continuously variable transmission in the axial direction is shortened to enable to make a miniaturized and lightweight structure. Measures are taken so that the first input side disk 37 may not be displaced to the axial direction when power is applied. Accordingly, the loss of the power is controlled and the sliding of the traction part is suppressed.

63. 发明专利

JP2000310308A TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION 失效
公开(公告)号：JP2000310308A
公开(公告)日：2000-11-07
申请号：JP11798299
申请日：1999-04-26
申请人： NSK LTD
发明人： GOTO NOBUO , KATO HIROSHI , SHIMIZUYA MASAYOSHI
IPC分类号： F16H15/38 , F16H57/04
摘要： PROBLEM TO BE SOLVED: To reduce distribution of stresses applied to a lubricating oil passage of a retainer, to thereby improve durability and reliability. SOLUTION: This transmission has a thrust rolling bearing for bearing a thrust direction-wise load added to a power roller. The thrust rolling bearing which is constituted of a plurality of rolling elements 23 and a retainer 21 for rollably retaining a plurality of the rolling elements 23. The retainer 21 has a ring-like main body 22, a plurality of pockets 22 at a diameter direction- wise intermediate portion of the main body 22 for rollably retaining the rolling elements 23, and lubricating oil passages 25 each having a single circular arc-like section between an inner periphery edge and an outer periphery edge of the main body 22 in the condition transversing across the pocket 24.

64. 发明专利

JP2002340119A TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION 失效
公开(公告)号：JP2002340119A
公开(公告)日：2002-11-27
申请号：JP2001141173
申请日：2001-05-11
申请人： NSK LTD
发明人： KATO HIROSHI
IPC分类号： F16H15/38
摘要： PROBLEM TO BE SOLVED: To provide a toroidal type continuously variable transmission capable of performing a stable torque transmission by suppressing loss of thrust conversion of a loading cam device. SOLUTION: An annular bearing member 46 having substantially the same outer diameter dimension as an inner diameter dimension of a cam flange 28 of the loading cam device 24 is integrally fixed to an outer periphery of an outer race 26 composing a bearing 25. A slide bearing 48 of a fitting part of the bearing 25 and the cam flange 28 is constituted by externally fitting the cam flange 28 into the bearing member 46. By the toroidal type continuously variable transmission provided with the slide bearing 48, low torque is transmitted to an input shaft from an engine, and even if the cam flange 28 of the loading cam device 24 slides in a shaft direction, frictional resistance is reduced by receiving the sliding by the slide bearing 48 and thereby thrust conversion of the loading cam device 24 is hardly lost.

65. 发明专利

JP2002206608A TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION 审中-公开
公开(公告)号：JP2002206608A
公开(公告)日：2002-07-26
申请号：JP2001267475
申请日：2001-09-04
申请人： NSK LTD
发明人： KOBAYASHI NORIHISA , KATO HIROSHI
IPC分类号： F16H15/38
摘要： PROBLEM TO BE SOLVED: To provide a toroidal type continuously variable transmission which can quickly increase a total unit in an oil pressure chamber to a prescribed oil pressure by smoothly circulating oil in a region in an inner side of a disc spring to a region in its outer side, when oil is supplied into the oil pressure chamber of a loading mechanism. SOLUTION: In this toroidal type continuously variable transmission, provided with a hydraulic loading mechanism 20 pressing an input disc 2a to a side for arranging an output disc to transmit rotary power of the input disc 2a to the output disc through a power roller to arrange in an oil pressure chamber 25 of this loading mechanism 20 a disc spring 30 assembled for elastically pressing the input disc 2a toward the side for arranging the output disc, a plurality of slits 30a are formed in the disc spring 30, when oil is supplied by an oil pump 28 to a region in an inner side of the disc spring 30 in the oil pressure chamber 25, oil in the region in an inner side of this disc spring 30 is circulated to a region in an outer side of the disc spring 30 through the slit 30a.

66. 发明专利

JP2002181151A TOROIDAL-TYPE CONTINUOUSLY VARIABLE TRANSMISSION 失效
公开(公告)号：JP2002181151A
公开(公告)日：2002-06-26
申请号：JP2000375836
申请日：2000-12-11
申请人： NSK LTD
发明人： FUJINAMI MAKOTO , KATO HIROSHI
IPC分类号： F16H15/38 , F16C19/10
摘要： PROBLEM TO BE SOLVED: To improve the durability of a displacement shaft in a toroidal-type continuously variable transmission having a displacement shaft integrated with an outer ring of a thrust rolling bearing. SOLUTION: A layer hardened by heating treatment is formed on a surface of the displacement shaft 81. Corner parts F formed by a supporting shaft part 83 and the outer ring 84, corner parts G formed by the outer ring 84 and a pivoting part 82, and a corner part formed by a large part 85 and a small part 86 of the pivoting part 82 are respectively worked after the formation of the hardened layer, and an abnormally heated layer in the hardened layer is eliminated by these workings.

67. 发明专利

JP2002174312A HALF TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION 失效
公开(公告)号：JP2002174312A
公开(公告)日：2002-06-21
申请号：JP2000374557
申请日：2000-12-08
申请人： NSK LTD
发明人： KATO HIROSHI , KOBAYASHI NORIHISA
IPC分类号： F16H15/38
摘要： PROBLEM TO BE SOLVED: To provide a half toroidal type continuously variable transmission having no holes for inserting a rotary shaft in a center part and allowing an easy assembly of a power roller. SOLUTION: A first hole 22 is provided penetrating an eccentric shaft 19 in the axial direction of the eccentric shaft 19, and a second hole 23 is provided on the power roller 16 in a position corresponding to an elongation of the first hole 22. The second hole 23 has a female screw 23a to be screwed by a male screw 24a formed on a tip of a power roller fixing member 24. When the power roller 16 is incorporated in the half toroidal type continuously variable transmission 1, the male screw 24a of the power roller fixing member 24 is inserted through the first hole 22 and screwed in the second hole 23 to temporarily fix the power roller 16.

68. 发明专利

JP2002070974A TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION 失效
公开(公告)号：JP2002070974A
公开(公告)日：2002-03-08
申请号：JP2000259549
申请日：2000-08-29
申请人： NSK LTD
发明人： KATO HIROSHI , SEKIGUCHI SACHIKO
IPC分类号： F16H15/38
摘要： PROBLEM TO BE SOLVED: To provide a toroidal type continuously variable transmission capable of increasing rigidity of a cage and rolling bodies, reducing looseness, and improving response of a power roller to the movement of a trunnion. SOLUTION: Concerning a thrust rolling bearing 7 for supporting a load in the thrust direction applied on the power roller 6, in this toroidal type continuously variable transmission equipped with a power roller outer ring 8, a power roller inner ring 9, the plural rolling bodies 10 installed between the power roller outer ring 8 and the power roller inner ring 9, and the cage 11 for retaining rollably the plural rolling bodies 10, the thrust rolling bearing 7 is characterized by being provided with coned disc springs 21, 25 or coil springs 22, 26 as a pre-load imparting mechanism for imparting a pre-load to the power roller 6.

69. 发明专利

JP2001165262A TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION 失效
公开(公告)号：JP2001165262A
公开(公告)日：2001-06-19
申请号：JP34670499
申请日：1999-12-06
申请人： NSK LTD , VOLKSWAGEN AG
发明人： MACHIDA TAKASHI , KATO HIROSHI , PANAJIOTEISU ADAMISU , REINER PETERSEN , LAAS HOFFMANN , PETER THENBERGE , NEIZAA EMANJOME , JOERG MEEKERU
IPC分类号： F16H15/38
摘要： PROBLEM TO BE SOLVED: To miniaturize the mechanism for displacing trunnions 66 and 67 in order to oscillate and displace the trunnions 66 and 67 supporting power rollers 33 and 36. SOLUTION: Trunnions 66 and 67 are supported on the oscillating frames 52 and 53, respectively, possible to oscillate and displace freely at the direction to change the inclined angle of a power rollers 33 and 36. The oscillating flames 52 and 53 are supported on supporting flames 54 and 55 possible to oscillate and displace freely at the center of support shafts 70 and 70. The oscillating flames 52 and 53 can be oscillated and displaced freely by actuators attached at both end parts, respectively.

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