Using A Rotary-type Fluid Damper Patents (Class 188/290)
  • Patent number: 11525451
    Abstract: The present invention relates to an adjustment mechanism (100) for variably adjusting the cross-section of a compressor inlet (22) and further relates to a corresponding compressor (20) including such an adjustment mechanism (100). The adjustment mechanism (100) comprises a plurality of rotatable orifice elements (110) and an actuation ring (120). The actuation ring (120) is mechanically coupled to the plurality of orifice elements 110 such that rotation of the actuation ring 120 causes movement of the orifice elements 110. The movement of the orifice elements (110) thereby adjusts the cross-section of a compressor inlet (22). The adjustment mechanism (100) further comprises a plurality of support members (140) which are arranged axially between the plurality of orifice elements (110) and the actuation ring (120). Additionally, the adjustment mechanism (100) comprises a spring (130), more specific a ring-shaped wave spring.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: December 13, 2022
    Assignee: BorgWarner Inc.
    Inventor: Sascha Karstadt
  • Patent number: 11285774
    Abstract: A hydraulic vibration damper, in particular for a vehicle chassis, includes a cylinder tube for receiving a hydraulic fluid. A piston is axially movable within the cylinder tube along a cylinder tube axis and subdivides the cylinder tube into two working chambers. A piston rod is oriented parallel to the cylinder tube axis and is connected to the piston. At least one valve assembly for damping the piston movement in a direction of actuation is arranged at a fluid leadthrough. A bypass duct includes a sub-duct provided in addition to the fluid leadthrough between the two working chambers. A valve arrangement with continuously adjustable damping force is provided which regulates the throughflow through the fluid leadthrough and the sub-duct. The sub-duct includes a throttling mechanism, having a throttle, and a non-return valve. The throttle and the non-return valve of the sub-duct are arranged in series.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: March 29, 2022
    Assignees: THYSSENKRUPP BILSTEIN GMBH, THYSSENKRUPP AG
    Inventor: Wolfgang Hamers
  • Patent number: 11267449
    Abstract: A motorcycle, including method and control unit for controlling an active steering influence system, which is for actively influencing steering motions on a front wheel. A driver assistance system is for effectuating, with control instructions to components of the motorcycle, longitudinal accelerations. The driver assistance and active steering influence systems are for a signal communication with each other, e.g., via lines. The driver assistance system is for outputting, before/while outputting a control instruction, a signal instruction to the active steering influence system so that the active steering influence system, via an active modification of its state, counters a change of a movement direction, which is associated with the longitudinal acceleration to be effectuated with the control instruction.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: March 8, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Mathieu Grelaud, Michael Schoenherr
  • Patent number: 11255407
    Abstract: An eddy current damper includes a screw shaft, first permanent magnets, second permanent magnets, a cylindrical magnet holding member, a cylindrical conductive member, and a ball nut meshing with a screw shaft. The screw shaft is movable in the axial direction. The first permanent magnets are arrayed along the circumferential direction around the screw shaft. The second permanent magnet is arranged between the first permanent magnets, wherein the arrangement of magnet poles is inverted between the second permanent magnet and the first permanent magnet. The magnet holding member holds the first permanent magnet and the second permanent magnet. The conductive member is opposed to the first permanent magnets and the second permanent magnets with a gap therebetween. The ball nut is disposed inside the magnet holding member and the conductive member, and is fixed to the magnet holding member or the conductive member.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: February 22, 2022
    Assignees: Nippon Steel Corporation, Aseismic Devices Co., Ltd.
    Inventors: Kenji Imanishi, Hiroyuki Yamaguchi, Ryohsuke Masui, Shigeki Nakaminami, Hidenori Kida
  • Patent number: 11236795
    Abstract: A damper is provided which can more reliably prevent malfunction and breakdown and which enables efficiently performing repair and inspection operations.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: February 1, 2022
    Assignee: SIMOTEC CO., LTD.
    Inventors: Hideo Hotomi, Takashi Shimonishi
  • Patent number: 11161386
    Abstract: A switchable stabilizer assembly of a vehicle, in particular for roll stabilization. The stabilizer assembly includes a first stabilizer half and a second stabilizer half, both coupled to a wheel of the vehicle, where the first and second stabilizer halves are coupled rotatably relative to each other about their longitudinal axis by a hydraulic actuator. The actuator has at least two working chambers filled with a hydraulic medium and has at least one fluid-conducting connection of variable flow cross section between the at least two working chambers. The working chambers are not elastically deformable. Instead, a spring element is arranged in the at least two working chambers and/or in at least two further working chambers of the actuator and is supported between a rotor and a stator of the actuator. The flow cross section of the fluid-conducting connection can be varied depending on the vibration frequency of the stabilizer assembly.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: November 2, 2021
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Prashant Dhanraj, Stefan Haeusler, Christoph Kilian, Robert Krueger, Maximilian Meissner
  • Patent number: 10730494
    Abstract: Described is a housing component of a housing of a vehicle pressure-medium-conducting apparatus, including: at least one connector bore having an internal thread for screwing-in a connector element having an external thread for feeding and/or discharging the pressure medium to/from the apparatus; in which a material of the housing component is composed, at least in a region of the connector bore, of a thermoplastic of PPA (polyphthalamide). Also described is a pressure-medium-conducting device of a vehicle, including: at least one housing having at least one housing component, wherein the housing component includes: at least one connector bore having an internal thread for screwing-in a connector element having an external thread for feeding and/or discharging the pressure medium to/from the apparatus; in which a material of the housing component is composed, at least in a region of the connector bore, of a thermoplastic of PPA (polyphthalamide).
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: August 4, 2020
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Jan Grebe, Kai Werner
  • Patent number: 10504667
    Abstract: Actuator and electric switching apparatus including a spring to provide movement of the apparatus and a rotary air damper. The damper is arranged to decelerate the spring during at least an end portion of movement. The damper has a toroidal working chamber formed by two circumferential housing parts rotatable relative to each other. Each housing part has internal walls which together define the working chamber. The first housing part has a rotatable displacement wall, sealingly rotatable in the working chamber. The second housing part has a stationary end wall of the working chamber. The second housing part has one recess in its internal walls. The recess is located less than 90° ahead the end wall as seen is the rotational direction of the displacement wall at an actuating movement. The recess has an extension in the circumferential direction that is larger than the effective thickness of the displacement wall. Alternatively the recess is on the first housing part.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: December 10, 2019
    Assignee: ABB Schweiz AG
    Inventors: Johannes Tredoux, Daniel Staffas
  • Patent number: 10502271
    Abstract: Electronic devices, such as consumer electronics devices and control systems in vehicles are controlled by way of a haptic operating device with a rotating unit. Selectable menu items are displayed on a display unit, and a menu item is selected by rotating the rotating unit. The rotating unit latches at a number of haptically perceptible latching points during rotation. The number and rotational position of the haptically perceptible latching points is dynamically changed in accordance with a specific menu item selected by the user.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: December 10, 2019
    Assignee: Inventus Engineering GmbH
    Inventor: Stefan Battlogg
  • Patent number: 10400846
    Abstract: [Problem] To provide a rotary damper wherein damping torque generated by rotation can be easily adjusted using a simple configuration. [Solution] A rotary damper 1 limits the movement of viscous fluid contained in a circular cylinder chamber 111, thereby generating damping torque against applied rotational force. This rotary damper 1 is configured such that: a lid 15 is screwed into a case 11; and the gap g1 between the lower surface 153 of the lid 15 and the upper surface 119 of a partition section 115 and the gap g2 between the lower surface 153 of the lid 15 and the upper surface 129 of a vane 122 can be adjusted by adjusting the amount of screwing of the lid 15 into the case 11. This means that adjusting the amount of movement of viscous fluid through the gaps g1, g2 can adjust damping torque generated by rotation.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: September 3, 2019
    Assignee: OILES CORPORATION
    Inventors: Naohiro Horita, Ryohei Kaneko, Hiroshi Watanabe, Wataru Nishioka
  • Patent number: 10267375
    Abstract: A damper (10) includes a housing (11) and a rotor (16) combined with the housing (11) so as to be capable of rotating relative to the housing (11). The damper (10) includes an attenuating medium (90) filled in a rotation area inside the housing (11) wherein the rotor (16) rotates, and added with viscoelasticity by a viscoelasticity treatment; and an enclosure portion (80) provided outside the rotation area of the rotor (16), and communicating with the rotation area.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: April 23, 2019
    Assignee: NIFCO INC.
    Inventor: Makoto Muranaka
  • Patent number: 10138973
    Abstract: A fluid damper device and an apparatus with thereof are provided. In this fluid damper device, a protruded part of a valve body protrudes from a base part toward an outer side in the radial direction of the turning shaft, and toward one side around an axial line of the turning shaft, and a valve body support part of the turning shaft is equipped with a base part support part between a first protruded part and a second protruded part. An end part on an outer side in the radial direction of the first protruded part is provided with an inclined surface inclined with respect to an inner side portion of the valve body, and a space between the inner side portion and the end part increases from a second direction toward the first direction when the valve body is in the open position.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: November 27, 2018
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Naoya Mihara
  • Patent number: 10073406
    Abstract: An image forming apparatus includes a main body, a moving part supported movably relative to the main body, a support portion provided in the main body to support the moving part movably, a rack provided in one of the main body and the moving part and having a rack gear, a damper gear provided in the other of the main body and the moving part to be meshed with the rack gear, a damper configured to apply resistance force to rotation of the damper gear, and a restricting portion provided in the other of the main body and the moving part to be in contact with an abutting portion extending along the rack gear in the rack, the restricting portion restricting a position of the rack to prevent the rack gear from separating from the damper gear.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: September 11, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tadahisa Sugiyama, Shigeo Doi
  • Patent number: 10041559
    Abstract: A fluid damper device and an apparatus with thereof are provided. In a damper chamber of this fluid damper device, a protruded part of a valve body protrudes from a base part toward the outside in the radial direction of a turning shaft, and toward one side around the axial line of the turning shaft, and a valve body support part of the turning shaft is equipped with a base part support part between a first protruded part and a second protruded part. An inner side portion of the protruded part of the valve body has a first portion and a second portion separated from each other in the direction in which the protruded part protrudes, and when the valve body is in the open position this first portion and second portion are supported by a receiving part formed on the first protruded part of the turning shaft.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: August 7, 2018
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Naoya Mihara
  • Patent number: 10012282
    Abstract: A flow of hydraulic oil induced by sliding movement of a piston in a cylinder is controlled by a damping force generating mechanism to generate a damping force. A flow of hydraulic oil from a casing of the damping force generating mechanism toward a reservoir is regulated by a passage groove formed on the bottom of the casing so as to be directed downward in the reservoir. Thus, the hydraulic oil is efficiently supplied to a base valve from the damping force generating mechanism even when the hydraulic oil is sucked from the reservoir into a cylinder lower chamber through a passage in the base valve during the extension stroke of a piston rod. Therefore, it is possible to suppress a sharp reduction in pressure in the lower part of the reservoir and hence possible to suppress the occurrence of aeration and to obtain stable damping force characteristics.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: July 3, 2018
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Yusei Kimura, Yohei Katayama, Naofumi Harada, Satoshi Shimazaki
  • Patent number: 10007290
    Abstract: Apparatus and method for operating vehicles by way of a haptic operating device having a rotating unit. Selectable menu items are displayed on a display unit, and a menu item being selected by rotating the rotating unit. The rotating unit latches at a number of haptically perceptible latching points during rotation. The number and rotational position of the haptically perceptible latching points is dynamically changed.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: June 26, 2018
    Assignee: Inventus Engineering GmbH
    Inventor: Stefan Battlogg
  • Patent number: 9988232
    Abstract: The damper mechanism includes a rack and a damper unit. The rack is provided in an apparatus main body. The damper unit is provided in a turning member. The damper unit has a movable gear, a fixed gear and a supporting member. The movable gear is configured to engage with the rack and to rotate by the turning of the turning member. The fixed gear is configured to be engaged with the movable gear and to apply a load to the rotation of the movable gear. The movable gear is supported by the supporting member so as to move relatively with respect to the fixed gear in a direction to be engaged with the fixed gear at the turning of the turning member in one direction and in another direction to be separated from the fixed gear at the turning of the turning member in the other direction.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: June 5, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Sachio Izumichi
  • Patent number: 9937952
    Abstract: Vehicles and vehicle systems for restricting rotation of vehicle steering systems are disclosed herein. In one embodiment, a vehicle including a front wheel, a steering column assembly coupled to the front wheel, a steering wheel coupled to the steering column assembly, a steering rack assembly that includes a rack coupled to the front wheel, where the rack extends in a vehicle lateral direction and is translatable with respect to a body of the vehicle in the vehicle lateral direction, and a resistance device including a damper coupled to at least one of the steering rack assembly and the steering column assembly that limits a rotation of the steering column assembly.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: April 10, 2018
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Tyler E. Schnug, Mark D. Clauser, Gerritt B. Meyers
  • Patent number: 9879753
    Abstract: Rotary dampers and systems for use and installation within a rotary winged aircraft, and related methods, are provided herein. In some aspects, a rotary damper includes a housing having a rotor assembly positioned inside the housing. The rotary damper may further include at least one resilient member disposed adjacent to an outer portion of the housing. The at least one resilient member is externally visible from outside of the rotary damper. In some aspects, the resilient member includes a torsional spring of the rotary damper. In certain aspects, the resilient member is disk shaped and slidable within a portion of the rotary damper. In some aspects, at least one primary liquid orifice is provided in a portion of the at least one rotor member. In some aspects, at least one pressure equalization port is disposed within a portion of the rotor assembly.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: January 30, 2018
    Assignee: LORD Corporation
    Inventors: Brian McGill, Keith R. Ptak, David M. Catanzarite
  • Patent number: 9803717
    Abstract: A centrifugal-force pendulum device having a pendulum flange and at least two pendulum masses fastened on both sides of the pendulum flange by means of a spacer bolt received in a cut-out of the pendulum flange to form a pendulum mass pair, wherein the pendulum mass pair is guided and pivoted in a limited manner with respect to the pendulum flange by means of at least two rolling elements, and the rolling elements are received and roll in guide tracks in the pendulum masses and in complementarily shaped guide tracks in the pendulum flange, and wherein the spacer bolt is equipped, in its axial region which reaches through the cut-out in the pendulum flange, with damping means for damping contact of the spacer bolt against the cut-out, and compression of the damping means is limited by contact of a rolling element against the guide track which receives the rolling element.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: October 31, 2017
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: David Schnaedelbach, Florian Baral, Tobias Schuster, Bernhard Ziegler
  • Patent number: 9605725
    Abstract: A rotary damper includes a housing having an outer cylinder, an inner cylinder coaxially disposed inside the outer cylinder, and a bottom plate closing one end side of the outer cylinder and the inner cylinder, to form an annular liquid chamber with a viscous fluid therein, and a rotor including a cylindrical blade portion rotatably received in the liquid chamber. An annular locking groove extends circumferentially in a first portion at an outer peripheral surface of the inner cylinder, or a second portion facing the first portion on an inner peripheral surface of the blade portion. A locking convex portion projects from the other of the first portion or the second portion, and locked in the locking groove. An annular inside seal member is interposed between the inner cylinder and the blade portion, and an annular outside seal member is interposed between the outer cylinder and the blade portion.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: March 28, 2017
    Assignees: NIFCO INC., NIFCO KOREA INC.
    Inventors: Masatora Seto, Young Kook Lee
  • Patent number: 9511383
    Abstract: A liquid diffuser device for irrigation systems includes a support structure defining a first longitudinal axis with an upper passageway for a liquid jet and a lower tubular body having a bottom wall, a spherical member associated therewith having an outer surface with a predetermined average radius of curvature, a liquid jet deflecting member having an upper plate and a lower stem designed to be introduced into the tubular body and defining a second longitudinal axis. The stem interacts with the outer surface of the spherical member, to allow rotation of the stem relative to the body and nutation of the second axis relative to the first axis. The bottom surface is concave to define with the spherical member a relatively broad and substantially uniform contact surface, to reduce the local specific pressure, thereby decreasing friction, wear and vibrations on the stem and the spherical member during operation.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: December 6, 2016
    Inventor: Arno Drechsel
  • Patent number: 9492041
    Abstract: A damper, including: a tube body, a central spindle, and two laminae. The laminae each include a curved plate, an oil-sealing rib plate and an oil-discharging rib plate which are disposed at two ends of the curved plate, respectively. The inner wall of the tube body is provided with two convex splitters. One end of the central spindle is inserted into an inner chamber of the tube body and sealed in the tube body; the other end of the central spindle extends outside the tube body. The central spindle includes two ribs, and the laminae are disposed between the ribs and the tube body. The ribs, the laminae and the splitters combined divide the inner chamber of the tube body into two pressure chambers and two nonpressure chambers; both the pressure chambers and the nonpressure chambers are filled with damping oil.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: November 15, 2016
    Assignee: REGENT (HONG-KONG) LIMITED SPEEDY
    Inventor: Zhuchang Liang
  • Patent number: 9403575
    Abstract: A method for reducing the steering torque of a two-wheeler when negotiating curves. For the case that the front wheel is braked while negotiating a curve, the damping in an adaptive steering stamper is increased as a function of at least one state variable characterizing the negotiation of a curve.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: August 2, 2016
    Assignee: ROBERT BOSCH GMBH
    Inventors: Hardy Haas, Markus Lemejda, Anja Wahl
  • Patent number: 9371675
    Abstract: A rotary damper has a damper body having a receiving portion, and a rotor rotatably disposed in the receiving portion of the damper body. A space between an inner circumferential surface of the receiving portion and an outer circumferential surface of the rotor is divided into a plurality of pressure chambers. A rotation speed of the rotor is controlled to be at a low speed by a flow resistance of fluid filled in each of the pressure chambers when the fluid flows through gaps between an inner surface of the receiving portion and an outer surface of the rotor opposed to each other in a direction of a rotation axis of the rotor. The damper body and the rotor are relatively movable in the direction of the rotation axis of the rotor.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: June 21, 2016
    Assignee: SUGATSUNE KOGYO CO., LTD.
    Inventors: Kazuyoshi Oshima, Ken Shinmura, Hideki Ogasawara
  • Patent number: 9371620
    Abstract: Method for braking a vehicle which has gone out of control, in which vehicle parts come into operative connection with an impact body which can be moved in the deceleration direction, wherein the impact body is connected to a controllable hydromechanical force converter and the vehicle is braked with a constantly controlled deceleration force until it reaches a standstill, wherein a measuring and control device provided in the region of the impact body controls the deceleration force of the force converter, independently of the impact mass of the respective vehicle.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: June 21, 2016
    Inventors: Thomas Mulert, Michael Rossmann
  • Patent number: 9353836
    Abstract: A modular system of driving devices that each includes a rotary drive assembly and a spindle drive assembly. The modular system includes at least two rotary drive assemblies and at least two spindle drive assemblies which are formed with coupling elements which are compatible with one another. The rotary drive of the driving device is received in a housing tube which is closed at its end remote from the spindle drive by a base piece. The base piece and the housing tube are manufactured from plastics material and are connected to one another by cohesive bonding.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: May 31, 2016
    Assignee: Stabilus GMBH
    Inventors: Lars Anheier, Ulrich Probst, Thomas Muller, Meik Broder
  • Patent number: 9347450
    Abstract: A centrifugal compressor, including: a housing, the housing including: an inlet, a flow channel, an impeller outlet, and an air diffusing channel; a centrifugal impeller disposed inside the housing; a rotating wall, the rotating wall including a front cascade; and a rotating disc, the rotating disc including a rear cascade. The impeller outlet is disposed adjacent to a rear part of the centrifugal impeller and is connected to the flow channel via the air diffusing channel. The rotating wall is disposed between the centrifugal impeller and the housing. The front cascade is disposed inside the front part of the rotating wall and is connected to a dynamic driving device. The rotating disc is disposed inside the housing adjacent to the air diffusing channel and is in a rigid connection with the rotating wall.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: May 24, 2016
    Assignee: KANGYUE TECHNOLOGY CO., LTD.
    Inventors: Hang Wang, Chao Ma, Zhifu Zhu, Yongtai Li, Lihua Song, Xilu Guo, Congcong Wang
  • Patent number: 9027979
    Abstract: A rotary damper has a cylindrical housing. A rotor is rotatably supported inside the housing for rotation with respect to the housing by a first bearing and a second bearing. The second bearing has a greater length in the axial direction of the rotor than the first bearing. The rotary damper can be employed in an opening and closing mechanism for a vehicle door.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: May 12, 2015
    Assignee: Kabushiki Kaisha Somic Ishikawa
    Inventors: Keigo Ozaki, Tatsuya Kitada
  • Publication number: 20150083536
    Abstract: An apparatus for retarding rotation of a nozzle includes a hollow housing, a rotary shaft within the housing, a rotatable rotor on the rotary shaft free to move axially along the shaft, and a cam assembly coupling the rotor and shaft together in the housing such that rotor rotation on the shaft causes the cam assembly to displace the rotor axially on the shaft in a first direction. A set of springs on the shaft biases the rotor in a second direction opposite the first direction on the shaft. Finally, a viscous fluid disposed between the rotor and the housing generates a drag on rotor rotation with the shaft. Relative rotation of the rotor with respect to the shaft in conjunction with a variable gap between the rotor and housing are used to slow and thus control rotary nozzle speed.
    Type: Application
    Filed: August 26, 2014
    Publication date: March 26, 2015
    Inventor: Colton Andersen
  • Patent number: 8925694
    Abstract: A cooling system has a drive motor which is to be cooled by a cooling medium. A cooling medium circuit conducts the cooling medium. A hydrodynamic machine comprising a working space can be filled with a working medium. The working medium is the cooling medium, and the hydrodynamic machine has a seal which is cooled and/or lubricated by the cooling medium. A cooling medium pump for circulating the cooling medium is in the cooling medium circuit. A pick-off is in the cooling medium circuit in the region of the cooling medium pump. Via the pick-off, the cooling medium is branched out of the cooling medium circuit. The branched-off cooling medium is conducted directly through or past the seal to cool and/or lubricate the latter, and the cooling medium which is conducted through or past the seal is supplied to the cooling medium circuit upstream or downstream of the working space.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: January 6, 2015
    Assignee: Voith Patent GmbH
    Inventors: Dieter Laukemann, Thomas Ohr
  • Patent number: 8925696
    Abstract: A damper assembly includes a fixed rack gear, a rotary gear damper having a gear engaged with the rack gear and a tether movable with the damper along the rack gear and a tether connecting the damper and a movable object to be controlled by the damper. The tether includes enlarged integral ends to secure the tether relative to the damper and the article to be controlled by the damper. A constant force spring interconnects movement of the damper relative to the fixed rack gear.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: January 6, 2015
    Assignee: Illinois Tool Works Inc.
    Inventors: Chad K Zeilenga, David A Doornbos, Steven L Bivens, Jeffery S Cascio
  • Publication number: 20140360825
    Abstract: A rotary damper for a motor vehicle includes at least one damper element for damping the relative movement of a first mass located on the wheel-suspension side and of a second mass located on the vehicle-body side, with at least one vibration absorber (8) being arranged on the rotary damper (1).
    Type: Application
    Filed: May 10, 2012
    Publication date: December 11, 2014
    Inventor: Marco Willems
  • Patent number: 8869957
    Abstract: A damper 1 includes a vessel 4 for accommodating a viscous fluid 3 in its interior 2; hampering walls 5 and 6 for hampering the flow of the viscous fluid 3; a partitioning member 11 which partitions each of interior portions 7 and 8 into two chambers 9 and 10 and is provided rotatably; a communicating hole 13 formed in the partitioning member 11 so as to allow the two chambers 9 and 10 to communicate with each other via a variable passage 12 whose passage cross-sectional area changes; a flow limiting means 14 for limiting the flow of the viscous fluid 3 in the chamber 9 into the chamber 10 through the communicating hole 13, when the internal pressure of the viscous fluid 3 accommodated in the chamber 9 has exceeded a fixed value on the basis of the rotation of the partitioning member 11; and a resilient means 15 for resiliently urging the partitioning member 11 in an R2 direction with respect to the vessel 4.
    Type: Grant
    Filed: April 20, 2009
    Date of Patent: October 28, 2014
    Assignee: Oiles Corporation
    Inventors: Akihiko Okimura, Yoshiteru Igarashi, Naohiro Horita
  • Publication number: 20140311840
    Abstract: The invention relates to a hydrodynamic retarder comprising a rotor that revolves in a decelerating mode and a counter-rotating twin rotor or a stationary stator which jointly from a working chamber that is or can be filled with a working medium. The rotor can be driven using driving power via a drive train in order to decelerate the drive train. The invention is characterized in that an energy storage device is associated with or integrated into the retarder, said energy storage device comprising a mechanical energy store, pressure accumulator or kinetic energy store as well as an acceleration mechanism that is connected to the rotor, said acceleration mechanism being linked to the energy store and the rotor or being integrated into the rotor in order to convert energy stored in the energy store into an angular acceleration of the rotor.
    Type: Application
    Filed: December 7, 2012
    Publication date: October 23, 2014
    Applicant: Voith Patent GmbH
    Inventors: Achim Menne, Tilman Huth, Dieter Laukemann, Werner Koch, Werner Klement, Martin Becke
  • Patent number: 8857581
    Abstract: A rotor hub and method to dampen a force exerted on a rotor hub by a rotor blade during flight. The rotor hub including a central member rotatably coupled to a rotor mast, a blade grip rigidly attached to a blade and movably coupled to the central member, and an adjustable damper operably associated with the blade grip. The method includes damping the force exerted on the rotor hub with the adjustable damper and selectively adjusting the adjustable damper between a first spring rate and a second spring rate.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: October 14, 2014
    Assignee: Textron Innovations Inc.
    Inventors: Frank B. Stamps, Michael R. Smith, Christopher M. Bothwell, Lawrence M. Corso, James L. Braswell, Jr., David A. Popelka, Ernst C. Schellhase, Charles L. Hollimon, Thomas J. Newman, Bryan Baskin, Thomas C. Campbell, Daniel B. Robertson
  • Patent number: 8857181
    Abstract: A drive train, especially a vehicle drive train, includes: an engine for supplying drive power into the drive train; a cooling circuit in which a cooling medium is revolved in order to cool the engine or an electric generator or another unit; an expansion machine which is driven with fluid or steam as a working medium and by way of which additional drive power can be supplied to the drive train or which drives an electric generator or another unit, the cooling medium of the cooling circuit being simultaneously the working medium of the expansion machine; and a bypass to the expansion machine which is provided through which the working medium of the expansion machine is forced through a switching valve or can be guided past the expansion machine automatically by the prevailing pressure conditions.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: October 14, 2014
    Assignee: SteamDrive GmbH
    Inventors: Stephan Bartosch, Jürgen Berger
  • Patent number: 8851248
    Abstract: Theme To provide a rotary damper in which a rotor and a piston can be assembled with less labor. Means to Solve A first cam mechanism 8 is provided between outer portions of opposite surfaces of a rotor 2 and a piston 3. A shaft portion 2c is integrally formed in a central portion of the opposite surface of the rotor 2 opposed to the piston 3. A pair of outwardly projecting portions 9a, 9a are formed in an outer peripheral surface of the shaft portion 2c. A through hole 3a in which the shaft portion 2c is inserted is formed in the piston 3. A pair of inwardly projecting portions 9b, 9b are formed in an inner peripheral surface of the through hole 3a. The outwardly projecting portions 9a, 9a are arranged such that each of the outwardly projecting portions 9a can pass through a gap between the inwardly projecting portions 9b, 9b and the inwardly projecting portions 9b, 9b are arranged such that each of the inwardly projecting portions 9b can pass through a gap between the outwardly projecting portions 9a, 9a.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: October 7, 2014
    Assignee: Sugatsune Kogyo Co, Ltd.
    Inventor: Masaki Ogawa
  • Publication number: 20140231197
    Abstract: The damping device includes: a fixed cylinder that is configured to be fixed to a first structural body and formed into a cylindrical shape so as to comprise a hollow portion; a shaft member that is configured to be fixed to a second structural body, the shaft member being housed in the hollow portion of the fixed cylinder and having an outer peripheral surface provided with a helical thread groove; a nut member that is threadedly engaged with the shaft member, and converts an axial motion of the shaft member into a rotational motion; a rotor member that is formed into a cylindrical shape so as to cover the fixed cylinder and to form a cylindrical accommodation chamber between the rotor member and an outer peripheral surface of the fixed cylinder, and is rotated by the nut member; and viscous fluid that is sealed in the cylindrical accommodation chamber.
    Type: Application
    Filed: October 19, 2011
    Publication date: August 21, 2014
    Applicants: ASEISMIC DEVICES CO., LTD., THK CO., LTD.
    Inventors: Yoshihito Watanabe, Ryoji Tomono, Hidenori Kida, Shigeki Nakaminami, Hisaya Tanaka
  • Patent number: 8800731
    Abstract: A centrifugal pendulum in a torsional vibration damper of a drive train of a motor vehicle with a pendulum flange rotating about a rotation axis and several pendulum masses distributed over the circumference, disposed on the latter in a manner capable of swinging. When the internal combustion engine of the drive train induces massive rotational irregularities resulting from high vibration angles in these arrangements, the pendulum masses can be deflected more strongly relative to the pendulum flange and strike the provided swing motion limits. To prevent hard hits of the pendulum masses on the pendulum flanges, it is proposed to dampen the impact areas by hydraulic means and hence to achieve a soft impact.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: August 12, 2014
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Dominique Engelmann, Markus Werner
  • Publication number: 20140201947
    Abstract: A rotary damper has a damper body having a receiving portion, and a rotor rotatably disposed in the receiving portion of the damper body. A space between an inner circumferential surface of the receiving portion and an outer circumferential surface of the rotor is divided into a plurality of pressure chambers. A rotation speed of the rotor is controlled to be at a low speed by a flow resistance of fluid filled in each of the pressure chambers when the fluid flows through gaps between an inner surface of the receiving portion and an outer surface of the rotor opposed to each other in a direction of a rotation axis of the rotor. The damper body and the rotor are relatively movable in the direction of the rotation axis of the rotor.
    Type: Application
    Filed: August 29, 2012
    Publication date: July 24, 2014
    Applicant: SUGATSUNE KOGYO CO., LTD.
    Inventors: Kazuyoshi Oshima, Ken Shinmura, Hideki Ogasawara
  • Patent number: 8757337
    Abstract: A rotary damper 1 includes a synthetic resin-made accommodating case 4 for accommodating in its interior 2 a viscous fluid 3 which is constituted by silicone oil or the like and whose viscosity declines with a temperature rise, and a synthetic resin-made rotor 9 which is disposed in the interior 2 of the accommodating case 4 rotatably, i.e., so as to be rotatable in R1 and R2 directions about an axis O, and which partitions the interior 2 of the accommodating case 4 into at least two chambers, i.e., in this embodiment, two chambers consisting of chambers 5 and 6 and two chambers consisting of chambers 7 and 8, in cooperation with the accommodating case 4.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: June 24, 2014
    Assignee: Oiles Corporation
    Inventors: Masamitsu Kojima, Akihiko Okimura, Yoshiteru Igarashi, Naohiro Horita
  • Patent number: 8745820
    Abstract: A rotary hinge assembly includes a hinge housing including at least one interior chamber. A spring disposed within the hinge housing provides a torque on an attached door while in an opened and closed position. A rotor rotatably disposed within the at least one interior chamber includes at least one rotor vane that moves in relation to a stationarily mounted stator having at least one stator vane. A fill plug includes a plurality of entrance and exit holes disposed in relation to the stator and rotor vanes to define a fluidic damper assembly. A valve disposed within the fill plug permits selective adjustment of the fluidic damper by restricting or opening the entrance and exit holes of the fill plug.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: June 10, 2014
    Assignee: ITT Manufacturing Enterprises LLC
    Inventor: John M. Janak
  • Patent number: 8727658
    Abstract: A pinless device for orienting a motorcycle stabilizer wiper, such device having a platform adapted for stable attachment to a motorcycle; projections extending, preferably upward, from the platform in order to create a channel; an arm having a first end adapted for attachment to a shaft from a wiper of a motorcycle stabilizer and also having a second end of such dimensions that the second end can fit in the channel between the projections; and a means, such as a set screw, for releasably and securely fastening the second end of the arm in the channel between the projections.
    Type: Grant
    Filed: April 17, 2007
    Date of Patent: May 20, 2014
    Inventor: Ralph S. Norman
  • Patent number: 8708370
    Abstract: A safety enhancement for a safety belt comprises an actuator housing mechanically coupled to a first end plate, a rotor blade, an orifice plate, a second end plate, a coil, and a spring cover by an actuator axel. The orifice plate comprises an orifice that allows hydraulic fluid to pass from a first side of the rotor blade to a second side of the rotor blade in order to increase or decrease tension on a safety belt to reduce user movement.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: April 29, 2014
    Inventor: John Barker
  • Patent number: 8701845
    Abstract: A suspension device (S) comprises: an actuator (A) including a motion conversion mechanism (T) for converting rotational motion of a screw nut (1) to linear motion of a threaded shaft (2), and a motor (M) connected to the screw nut (1); and a fluid pressure damper (D) connected to the threaded shaft (2), wherein the threaded shaft (2) is formed in a cylindrical shape, a connecting shaft (30) for connecting a rod (31) or a cylinder (32) of the fluid pressure damper (D) to the threaded shaft (2) is inserted into the threaded shaft (2), and the connecting shaft (30) is connected to an end, opposite to the fluid pressure damper, of the threaded shaft (2). Accordingly, the connection between the actuator and the hydraulic damper is facilitated.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: April 22, 2014
    Assignee: Kayaba Industry Co., Ltd.
    Inventor: Takuhiro Kondo
  • Publication number: 20140102840
    Abstract: A rotary-type damper includes a housing filled with a working fluid, a shaft penetrating inside the housing and placed in a rotatable manner, a housing pin provided on the inner circumference of the housing to reach the side of the shaft used for limiting the movement of the working fluid, and an axis pin for coupling with the shaft to rotate with the shaft, and closely contacting the side of the shaft and the inner circumference of the housing as the position thereof varies according to the rotating direction of the shaft. The present invention increases the durability and the period of use, easily enables an accurate control of the working fluid, thereby eliminating the requirement for high precision in processing the component members, and enables the control of a unidirectional damping and the rotational speed of a rotary body which is the target of damping.
    Type: Application
    Filed: May 7, 2012
    Publication date: April 17, 2014
    Applicant: EVERSYS CO., LTD.
    Inventor: Yongjun Cho
  • Patent number: 8695767
    Abstract: A device for braking the movement of a movable member with respect to a support structure includes a casing fixable to the movable member or to the structure and defining a chamber containing a viscous braking fluid, and a rotor, operationally associable with the movable member or with the structure, and which is rotatably connected to the casing and is mounted thereon so as to close the chamber. The rotor includes a piston-like member or portion, mounted so as to slide within the chamber in such a way as to separate the chamber into separate regions in mutual fluid communication. The piston-like member or portion is movable integrally with the rotor, such that rotation of the rotor brings about a rotatory displacement of the piston-lie member or portion, braked by the resistance to the passage of the fluid from one region to the other of the chamber caused by the displacement of the piston-like member or portion.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: April 15, 2014
    Inventor: Antonino Cultraro
  • Patent number: 8672111
    Abstract: A viscous coupling includes a case body for forming a working chamber which contains the viscous fluid, a shaft inserted into the case body in such a manner that the shaft is relatively rotatable with respect to the case body, a plurality of inner plates coupled to the shaft, and a plurality of outer plates, coupled to the case body, which are arranged in the working chamber in such a manner as to be spaced apart from the inner plates with a pitch in an axial direction of the shaft. The pitch between each of the inner plates and each of the outer plates is adjustable by deforming either of the inner plates and the outer plates in response to the rotation speed of the shaft or the case body.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: March 18, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Yasuhiro Wada
  • Patent number: 8657086
    Abstract: An identical engagement hole 12b is formed in each of first and second brackets 1, 2. A first engagement portion 31c is formed in a damper body 31 of a rotary damper 3. A distal end portion of a rotor 32 of the rotary damper 3 is non-rotatably inserted in an adapter 4. A third engagement portion 46 is formed in an outer circumference of the adapter 4. The first engagement portion 31c is non-rotatably inserted in the engagement hole 12b of the first bracket 1. The third engagement portion 46 is non-rotatably inserted in the engagement hole 12b of the second bracket 2.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: February 25, 2014
    Assignee: Sugatsune Kogyo Co., Ltd.
    Inventor: Shinpei Iwata