Plural Friction Gearing In Series Patents (Class 476/31)
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Patent number: 11560138Abstract: A battery discharge limit control system is provided. The system includes a motor driven by receiving the power stored in a battery and a clutch connected to the rotary shaft of the motor. Additionally, an engine includes the rotary shaft connected to the rotary shaft of the motor through the clutch and a transmission changes the rotational speed of the rotary shaft of the motor or the engine based on the input of the shift stage instruction to output the rotational speed to a driving wheel of a vehicle. A controller opens the clutch and drives the motor in the reverse rotation, when the input of the shift stage instruction is a reverse shift stage.Type: GrantFiled: October 21, 2019Date of Patent: January 24, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Chang Min Lee
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Patent number: 10253849Abstract: A curvilinear gear system and method for transferring force and speed through a wide range of angles is disclosed. The system can optionally incorporate curvilinear U joints to increase effective range of angles to tailor the system to specific applications. The system includes complimentary gear heads, one of which is a curvilinear gear such as a hemispherical gear. A method of using the gear systems in a transmission apparatus is also disclosed.Type: GrantFiled: November 17, 2014Date of Patent: April 9, 2019Inventor: Leo J. D. Bernier
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Patent number: 9410604Abstract: Disclosed is a continuously variable transmission including: a pair of pressing units; a pair of first support units that support the pressing units by using one end side as a fulcrum, and generate a force for clamping and pressing both the disks using the pressing unit by virtue of a clamping force applied to the other end side; a pair of second support units that extend along a connecting line in parallel with the shaft center connecting line and are configured to clamp and support both the disks such that the other end side of the pair of first support units can move along the connecting line to generate the clamping force; and a clamping force adjustment unit connected to an end of the pair of second support units opposite to the pivot shaft side to adjust the clamping force of the second support units.Type: GrantFiled: March 28, 2012Date of Patent: August 9, 2016Assignee: JATCO LTDInventor: Hiroshi Tange
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Patent number: 8758191Abstract: A drive unit includes a main wheel having an annular member, and a plurality of driven rollers that are rotatably attached to the annular member, a plurality of first drive rollers and a plurality of second drive rollers, which are provided with the annular member between them and arranged such that they make contact with the outer peripheral faces of the driven rollers, a first holder and a second holder, which are arranged with the annular shaft between them and respectively hold the plurality of first drive rollers and the plurality of second drive rollers while allowing them to rotate, and a first drive unit and a second drive unit that rotationally drive the first holder and the second holder respectively; grooves are formed in the outer peripheral faces of the driven rollers at an angle to the circumferential direction thereof.Type: GrantFiled: September 15, 2010Date of Patent: June 24, 2014Assignee: Honda Motor Co., Ltd.Inventors: Toru Takenaka, Hiroshi Gomi, Shinichiro Kobashi, Taiji Koyama, Masao Sasaki, Hideharu Izumi, Kazuya Kuwabara
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Publication number: 20130190131Abstract: A torque vectoring device is provided. The torque vectoring device includes a drive member engaged with a power source, a plurality of spherical adjusters configured to be tiltable and rotatable with respect to the drive member, a first output frictionally engaged with the spherical adjusters, and a second output frictionally engaged with the spherical adjusters. A torque distribution between the first output and the second output may be adjusted by tilting the plurality of spherical adjusters. The spherical adjusters also facilitate a differential action between the first output and the second output.Type: ApplicationFiled: January 17, 2013Publication date: July 25, 2013Applicant: Dana LimitedInventor: Dana Limited
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Publication number: 20130035199Abstract: A traction drive apparatus is provided for transferring torque from an input rotating shaft to an in-line, or co-axial, output rotating shaft. More specifically, the invention is a gearless, friction drive, in-line, rotating speed reducer or speed increaser for use in a wide variety of rotating equipment applications. The apparatus of the instant invention employs a retainer of a plurality of bearing means to transfer torque from an input shaft to an output shaft, wherein the retainer is either non-rotating or rotating.Type: ApplicationFiled: August 3, 2011Publication date: February 7, 2013Applicants: Ondrives.US Corp.Inventors: Eric Stiene, Dennis G. Berg
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Publication number: 20110015031Abstract: A dual-cavity toroidal Continuously Variable Transmission provided with co-axial input/output arrangement where a drum assembly is used to transfer torque from a central driven disk of the CVT to the output shaft of the CVT and including at least one embedded resilient member to reduce torque fluctuations present in the CVT.Type: ApplicationFiled: June 15, 2010Publication date: January 20, 2011Inventors: Jean-Francois Dionne, Louis-Philippe Menard, Kenneth Huston, Samuel Beaudoin, Jean-Robert Desmeules, Paul Okulov
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Publication number: 20100113211Abstract: In order to further develop drive arrangements with a continuously variable sub-gear mechanism, the invention proposes a drive arrangement with a continuously variable sub-gear mechanism having two circulating transmission elements, which are actively connected to one another via a circulating connecting element, having a hybrid drive comprising a first drive and at least one additional drive, and further having at least one output, wherein at least one of the two drives is interactively connected to the output, either directly or indirectly via the continuously variable sub-gear mechanism.Type: ApplicationFiled: October 25, 2007Publication date: May 6, 2010Applicant: GIF GESELLSCHAFT FUR INDUSTRIEFORSCHUNG MBHInventors: Heinz-Dieter Schneider, Dieter Voigt
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Patent number: 7013776Abstract: An optical fiber cutting device provided with a speed reducing part which transmits drive force by reducing the drive speed of the external drive force, a drive force transmission part which transmits the drive force from the speed reduction part to the cutting blade holder, a cutting blade holder, a cutting blade which is held by the cutting blade holder and moves to the cutting position along with said cutting blade holder, and an optical fiber supporter which supports the optical fiber so as to be perpendicular to said cutting blade at the cutting position.Type: GrantFiled: September 25, 1998Date of Patent: March 21, 2006Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Ryuichi Ishikawa, Kyosuke Harada, Taichi Masuda
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Publication number: 20040053740Abstract: A gear drive mechanism with two rotary gears meshing with each other has a first friction rim surface rotationally coupled to one of the two gears and a second friction rim surface rotationally coupled to the other of the two gears. The friction rim surfaces are in mutual contact with each other and thereby enabled to transmit a friction-based torque between each other.Type: ApplicationFiled: June 25, 2003Publication date: March 18, 2004Applicant: Aft Atlas Fahrzeugtechnik GmbHInventor: Hans-Walter Wodtke
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Patent number: 5934130Abstract: A rolling mill drive apparatus for driving any rolls of a pair of work rolls, 2 to 4 intermediate rolls and 2 to 4 backup rolls comprises a drive roller without tooth, rotated by an electric motor, at least one driven roller without tooth, contacting with the drive roller, a load imparting device for imparting a contact load between the drive roller and the driven roller to rotate the driven roller with frictional force caused by the contact load, and a spindle connected to at least the driven roller of the drive roller and the driven roller and transmitting rotation of the driven roller to the rolls. A rolling mill uses the rolling mill drive apparatus. A rolling method is for rolling using the rolling mill.Type: GrantFiled: July 2, 1997Date of Patent: August 10, 1999Assignee: Hitachi Ltd.Inventors: Toshiyuki Kajiwara, Hidetoshi Nishi, Yasutsugu Yoshimura, Mitsuo Nihei, Toyotsugu Masuda, Kenji Yamamoto