Flexural Support Patents (Class 267/160)
  • Patent number: 9733027
    Abstract: Negative-stiffness-producing mechanisms can be incorporated with structural devices that are used on spacecraft that provide thermal coupling between a vibrating source and a vibration-sensitive object. Negative-stiffness-producing mechanisms can be associated with a flexible conductive link (FCL) or “thermal strap” or “cold strap” to reduce the positive stiffness of the FCL. The negative-stiffness-producing mechanisms can be loaded so as to create negative stiffness that will reduce or negate the natural positive stiffness inherent with the FCL. The FCL will still be able to provide maximum thermal conductance while achieving low or near-zero stiffness to maximize structural decoupling.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: August 15, 2017
    Inventors: David L. Platus, Erik K Runge
  • Patent number: 9632282
    Abstract: Systems that provide an active adjustment of mirrors and specifically of secondary mirrors, and that provide active adjustment of secondary mirrors in six degrees of freedom, and that can carry the additional load during launch.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: April 25, 2017
    Assignee: Raytheon Company
    Inventors: David Van Lue, Andrew L. Bullard, Hans P. Naepflin
  • Patent number: 9593738
    Abstract: An active vibration isolation device includes: a housing fixed to a vibration isolation target; a movable shaft elastically supported by the housing displaceably in an axial direction; a yoke having an umbrella-shaped part provided consecutively and coaxially with the movable shaft and a circular cylindrical part provided consecutively with an outer circumference of the umbrella-shaped part and coaxially with the movable shaft; a ring-shaped coil fixed between the movable shaft and the cylindrical part; and first and second permanent magnets in a ring shape attached to the yoke. The first permanent magnet is smaller in diameter than the coil and is disposed inside the coil in a radial direction of the coil. The second permanent magnet is larger in diameter than the coil and is disposed outside the coil in the radial direction so that part thereof is made to face an inside of the yoke.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: March 14, 2017
    Assignee: KEIHIN CORPORATION
    Inventor: Yuji Ito
  • Patent number: 9551630
    Abstract: The invention relates to a suspension device of at least one reactor module to a test bench comprising at least one suspension arm, at least one upstream fixing assembly adapted to be fixed to a ceiling or wall of the test bench, at least one downstream fixing assembly adapted to be fixed to a reactor module, said suspension arm extending between two attachment ends adapted to be respectively fixed to the upstream fixing assembly and to the downstream fixing assembly, characterized in that said arm has a flexible median area whereof at least one cross-section dimension is less than the same cross-section dimension at the level of the attachment ends, the downstream casing comprising a fall-protection device.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: January 24, 2017
    Assignee: SNECMA
    Inventors: Michael Bertin, Jean-Michel Boudin, Aurelien Caplain
  • Patent number: 9500132
    Abstract: A combustor seal structure includes a first recess portion and a second recess portion that are provided on opposing faces in adjacent flange portions of a transition piece; a seal member body disposed across the first recess portion and the second recess portion; a first projection portion and a second projection portion 64 that are provided at each end portion in the width direction of the seal member body and are capable of being in contact with a first seal face of the first recess portion and a second seal face of the second recess portion; a first spring member whose base end portion is connected to one end portion in the width direction of the seal member body and whose distal end portion extends to the other end portion and is capable of being in contact with a second pressing face.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: November 22, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Wataru Kugimiya, Hiroaki Kishida, Kiyoshi Fujimoto
  • Patent number: 9453549
    Abstract: A flat wire, gap-type, single turn wave spring made using a coiling manufacturing process. The portions of the spring adjacent the gap are made flat so that they can glide smoothly along a mating surface without causing damage to the surface.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: September 27, 2016
    Assignee: Rotor Clip Company, Inc.
    Inventors: David G. Marvuglio, Elmar Joerg Kampmann
  • Patent number: 9226737
    Abstract: The present invention relates to a negative pressure wound closure system and methods for using such a system. Preferred embodiments of the invention facilitate closure of the wound by preferentially contracting to provide for movement of the tissue. Preferred embodiments can utilize tissue grasping elements to apply a wound closing force to the tissue.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: January 5, 2016
    Assignee: University of Massachusetts
    Inventor: Raymond Dunn
  • Patent number: 9222556
    Abstract: A spindle drive has a spindle nut (1) and a threaded spindle (2) mounted in a rotationally fixed and axially displaceable manner on a reference body (3) by way of a linear guide, wherein the axis (9) of the threaded spindle (2) is arranged parallel to the longitudinal direction of the linear guide, and wherein the linear guide has a groove (4) and a guide element (5) engaging in the groove and comprises an elastic region (5b, 5b?, 5b?), the width of which perpendicular to the longitudinal direction of the linear guide is greater than the maximum groove width in the region used for the linear guide.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: December 29, 2015
    Assignee: CONTINENTAL AUTOMOTIVE GMBH
    Inventors: Christian Schlecht, Jürgen Stürzer
  • Patent number: 9194783
    Abstract: An apparatus for fatigue testing an article includes a base having a platform for receiving an article to be tested, a shaft extending toward said platform for applying a force to said article, a coupling assembly connected to said shaft, said coupling assembly comprising a joint that pivots about an axis, and flex pivots disposed to be aligned with said axis about which said joint pivots.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: November 24, 2015
    Assignee: TA INSTRUMENTS-WATERS L.L.C.
    Inventors: Alan McMullen, Kristin M. McMullen, Jason Lusk, Troy Nickel
  • Patent number: 9004469
    Abstract: A device used for providing dynamic isolation and damping of dynamic vibrations, in a passive way, originated in the launch vehicle of a space shuttle and reaching the payload or satellite. The device comprises a plurality of identical elementary unit elements, such that the device is designed in a modular way, allowing the individual modularity of each of the elementary unit elements. Each of the elementary unit elements is tailored and designed individually, and the complete device can be designed for each particular application and payload needed as a function of each of the elementary unit elements allowing an easy design and lower costs, for a wide range of payload applications. Each elementary unit element comprises a spring component and a damping component, such that the functionalities provided for each component are separated and can be individually tailored, thus providing a device having a wider range of adaptation capabilities.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: April 14, 2015
    Assignee: EADS CASA Espacio S.L.
    Inventor: Miguel Lancho Doncel
  • Patent number: 8950739
    Abstract: The first corner portion elastically deforms in application of load such that the angle of the first corner portion changes depending on the pressing force from the first member. In this case, the first corner portion can move toward the outside of the inner periphery portion of the main body portion while the angle changes. The second corner portion has the same function as that of the first corner portion, and it can move toward the outside of the outer periphery portion of the main body portion while the angle changes depending on the pressing force from the second member in the elastic deformation of the second corner portion. As a result, the spring can prevent generation of hysteresis in load characteristics without increasing the number of parts, and enables height adjustment of the spring.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: February 10, 2015
    Assignee: NHK Spring Co., Ltd.
    Inventors: Norihiro Tajima, Jun Tominaga, Hidemasa Ito
  • Patent number: 8925892
    Abstract: The invention relates to a support device for the gun sight of a military vehicle, incorporating a head to which the gun sight is fastened and a foot which is integral with the vehicle, the head being integral with a column with a vertical axis which is introduced into the foot, the column being made integral with the foot by spring means wherein the spring means are constituted in the form of tongues arranged along at least two parallel planes perpendicular to the vertical axis of the support, each plane incorporating at least three tongues evenly spaced angularly around the column and integral with it by a first end and integral with the foot by their second end, these spring means imparting stiffness to the link between the column and the foot that is less along the vertical axis than along the other directions (X, Y) orthogonal to this vertical axis.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: January 6, 2015
    Assignee: Nexter Systems
    Inventor: Olivier Germenot
  • Patent number: 8888080
    Abstract: An animal carrier gate anti-rattle device comprises an elastic elongated member having a front surface and a back surface. The elastic elongated member comprises: a proximal section defining a hook that forms an opening facing the front surface; a distal section; and a first bent section between the proximal section and the distal section, where the first bent section has a bend angle of less than 120 degrees relative to the back surface.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: November 18, 2014
    Inventor: Thomas C. Deane
  • Publication number: 20140326070
    Abstract: A yaw-rate sensor having a substrate and a plurality of movable substructures that are mounted over a surface of the substrate, the movable substructures being coupled to a shared, in particular, central spring element, means being provided for exciting the movable substructures into a coupled oscillation in a plane that extends parallel to the surface of the substrate, the movable substructures having Coriolis elements, means being provided for detecting deflections of the Coriolis elements induced by a Coriolis force, a first Coriolis element being provided for detecting a yaw rate about a first axis, a second Coriolis element being provided for detecting a yaw rate about a second axis, the second axis being oriented perpendicularly to the first axis.
    Type: Application
    Filed: July 17, 2014
    Publication date: November 6, 2014
    Applicant: ROBERT BOSCH GMBH
    Inventors: Reinhard Neul, Johannes Classen, Torsten Ohms, Burkhard Kuhlmann, Axel Franke, Oliver Kohn, Daniel Christoph Meisel, Joerg Hauer, Udo-Martin Gomez, Kersten Kehr
  • Patent number: 8876094
    Abstract: Methods and apparatus are provided for a mounting system adapted to attenuate a shock load imparted by a structure to an object being supported by the structure. In one exemplary embodiment the mounting system comprises a mounting plate with a perimeter portion, a central boss, and an array of at least two symmetrically arranged perforations extending through the mounting plate between the perimeter portion and the central boss. The perforations are arranged so as to cooperatively define at least two deformable links that interconnect the central boss with the perimeter portion of the mounting plate, wherein the deformable links are adapted to attenuate the shock load through plastic deformation.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: November 4, 2014
    Assignee: Armorworks Enterprises LLC
    Inventors: Aubrey Donald Ridgeway, Richard F. Langner, William J. Perciballi
  • Patent number: 8800977
    Abstract: The invention relates to a suspension device for vehicle seats and/or vehicle cabins for applying a spring force to a vibratory motion of a first component relative to a second component, preferably in the longitudinal and/or transverse direction of the vehicle, wherein at least one elongate spring member extending at least in the longitudinal and/or transverse direction of the vehicle is connected in at least one end region to the first component and in the central region thereof to the second component, wherein the elongate spring member is made from a flexible elastomer material that is formed to be rod-shaped.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: August 12, 2014
    Assignee: Grammer AG
    Inventor: Jens Kolb
  • Patent number: 8678339
    Abstract: A bicycle seat support that resiliently supports a bicycle seat and comprises an upper engagement member adapted to support a bicycle seat, a lower engagement member adapted to engage a bicycle frame, and a compliant support assembly coupling the upper engagement member to the lower engagement member. The compliant support assembly includes a first cantilevered beam cantilevered to the lower engagement member, and a second cantilevered beam cantilevered to the first cantilevered beam. The first and second cantilevered beams define a gap, and a resilient member is positioned in the gap. Preferably, the cantilevered beams include convex surfaces, and the resilient member includes concave surfaces shaped to receive the convex surfaces. The resilient member can include a body portion and a strut (e.g., two struts). The resilient member can also include a side surface and a recess in the side surface (e.g., extending all the way through the resilient member).
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: March 25, 2014
    Assignee: Specialized Bicycle Components, Inc.
    Inventor: Christopher P. D'Aluisio
  • Patent number: 8677699
    Abstract: A rotary supporting member supports a parallel member rotatably with respect to an upper beam. A first brace connects an opposite-end side of the parallel member with an opposite-end side of a lower beam. A second brace connects another opposite-end side of the parallel member with another opposite-end side of the lower beam. An intersection position of the first brace with the second brace is positioned more adjacent to a side of the upper beam than where an intermediate position between the upper beam and the lower beam is present. Damper members dispose respectively so as to be interposed between the parallel member and the upper beam, connecting the parallel member with the upper beam, and being disposed to make a pair at least on both sides each of which is separated away from the rotary supporting member to interpose the rotary supporting member therebetween.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: March 25, 2014
    Assignee: National University Corporation Nagoya University
    Inventor: Hiroshi Tagawa
  • Patent number: 8662484
    Abstract: This compound linear flexure bearing incorporates a simple but unique flexure arrangement which inherently allows stable long travel operation. The flexure arrangement passively constrains all degrees of freedom except translation along the bearing axis while also compensating for flexure foreshortening. This design permits large displacement, low operating stress, low operating force, and high stiffness in the five noncompliant degrees of freedom. The linear flexure bearing described herein has applications in precision mechanics, particularly opto-mechanics. Specific applications include but are not limited to wafer and reticle positioning stages used in microlithography systems, optic translation and scanning mechanisms used in tactical and spaceborne systems, as well as flip-in mechanisms used in multiple field of view optical systems.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: March 4, 2014
    Inventor: Michael Valois
  • Patent number: 8636080
    Abstract: A handheld power tool with a shiftable mechanism, which is adjustable between two operating positions, has a coupling spring that is coupled with an adjustable shifting member of the mechanism. The coupling spring is embodied as a metastable spring.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: January 28, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Michael-Andreas Grunwald, Marco Pawlowski, Joerg Welke, Dietmar Saur
  • Patent number: 8626388
    Abstract: A sprung mass damping control system of a vehicle, which suppresses sprung mass vibration generated in a vehicle body by adjusting a driving control amount of a drive source (the second motor-generator), includes a spring vibration control amount calculating device that sets a sprung mass damping control amount for suppressing the sprung mass vibration, a drive source control device (a motor-generator control device) that executes sprung mass damping control by controlling the driving control amount of the drive source to realize the sprung mass damping control amount, and a sprung mass damping control amount adjusting apparatus (a sprung mass damping control amount responsiveness compensating portion) that adjusts the phase of a sprung mass damping control signal related to the sprung mass damping control amount according to the situation. A vehicle is provided with this sprung mass damping control system.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: January 7, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Yoshitaka Oikawa
  • Patent number: 8585026
    Abstract: A spring system comprising flat plate-springs with one end mounted rigidly to an un-spring first base and the opposite end mounted rigidly to a sprung second base. The spring system is fitted with cams as strain-control surfaces, mounted tangent to the plate springs and spaced progressively from the said plate-springs beginning at the tangency. The strain-control cams are movable to provide for adjustable spring rates, actively repositioned upon demand therein providing an adaptive active spring-rate system or suspension.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: November 19, 2013
    Inventor: Edbert E. L. Dittmar
  • Patent number: 8556533
    Abstract: A multi-stage flexural pivot includes a first support member, a second support member, a coupler, and a plurality of flexures, each flexure having first and second flexible members arranged substantially perpendicular to one another and laterally offset from one another. A first flexure of the plurality of flexures is coupled between the first support member and the coupler to form a first stage and provide for relative rotational movement between the first support member and the coupler. A second flexure of the plurality of flexures is coupled between the second support member and the coupler to form a second stage and provide for relative rotational movement between the second support member and the coupler. Relative rotational movement between the first support member and the second support member is a sum of the relative rotational movements of the first stage and the second stage.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: October 15, 2013
    Assignee: Raytheon Company
    Inventor: Andrew L. Bullard
  • Patent number: 8528885
    Abstract: Embodiments of a multi-stage spring system are provided herein. In some embodiments, a multi-stage spring system includes a spring assembly having at least one resilient element, wherein the spring assembly has a first spring constant when deflected up to a first distance, a greater, second spring constant when deflected beyond the first distance and up to a second distance, and a greater, third spring constant when deflected beyond the second distance and up to a third distance, and wherein the spring assembly stores mechanical energy when deflected towards a contact surface that biases the spring assembly away from the contact surface when released.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: September 10, 2013
    Assignee: FormFactor, Inc.
    Inventor: Jun Jason Yao
  • Publication number: 20130207426
    Abstract: A spring includes a first, inner, continuous frame, a second, continuous frame enveloping said first frame, said first and second frames made in a flexible material of high yield stress, said first and second frame having a common frame portion constituting a minor proportion of said first frame compared to the remainder of said first frame, said first and second frames being plane arranged generally in a common plane in their unloaded state and arranged for being deformed generally in said common plane.
    Type: Application
    Filed: June 24, 2011
    Publication date: August 15, 2013
    Applicant: NTNU TECHNOLOGY TRANSFER AS
    Inventor: Terje Rølvag
  • Publication number: 20130207328
    Abstract: Flexure bearing systems and configurations guide translational motion along a single-axis in micro and macro applications such as micro-electro-mechanical system (MEMS) devices including sensors and actuators like electrostatic comb-drive actuators. The flexure bearing systems and configurations described herein provide an improved constraint against movement (i.e., stiffness) of the primary mover in non-motion axes such as a bearing axis.
    Type: Application
    Filed: August 15, 2012
    Publication date: August 15, 2013
    Applicant: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Shorya Awtar, Siddharth Sood, Mohammad Olfatnia
  • Patent number: 8465008
    Abstract: A complex wave spring, or Beer Spring™, for electrically coupling opposed electrical contact surfaces or generating a relatively constant force. The spring includes a first wave portion shaped to define a first upward undulation and a first downward undulation, and a second wave portion fixedly arranged relative to the first wave portion. The second wave portion is shaped to define a second upward undulation proximate to the first downward undulation, and a second downward undulation proximate to the first upward undulation. The spring may be formed of electrically conductive material suitable for electrically coupling electrical contact surfaces when the spring is in contact between the surfaces. The complex spring provides unusually constant spring forces over a relatively wide range of compression distances.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: June 18, 2013
    Assignee: Delphi Technologies, Inc.
    Inventors: Robert C. Beer, Mark A. Ebenhart
  • Patent number: 8424968
    Abstract: A tubular spring having a longitudinal slot that is attached between a movable member and a fixed attachment device. A recliner hinge assembly for a vehicle seat that includes an inboard recliner and an outboard recliner connected by a connecting rod. A split tube having a longitudinally extending slot is assembled over the connecting rod. The split tube biases the seat back toward a neutral position when the seat back is shifted to a position that is angularly offset from the neutral position.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: April 23, 2013
    Assignee: Lear Corporation
    Inventors: Mladen Humer, Karl Schafer
  • Patent number: 8413969
    Abstract: A nodal-mounted spring arrangement for an electronic toothbrush includes a V-shaped spring member secured at both ends so that it can operate in out-of-phase torsion mode along the axial dimension thereof. A mounting plate is connected between a node point along the V-shaped spring member and the housing of the toothbrush. In one embodiment, the V-shaped spring member includes opposing slots on opposite sides of the node point, the slots extending in an axial direction, creating an integrated torsion bar node spring, while reducing stress in the vicinity of the nodal point.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: April 9, 2013
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Gerrit Jan De Jong, Michiel Allan Aurelius Schallig, Hendrik Richard Jousma, Martinus Bernardus Stapelbroek, Tyler G. Kloster, Scott E. Hall, Patrick A. Headstrom
  • Publication number: 20130015616
    Abstract: This compound linear flexure bearing incorporates a simple but unique flexure arrangement which inherently allows stable long travel operation. The flexure arrangement passively constrains all degrees of freedom except translation along the bearing axis while also compensating for flexure foreshortening. This design permits large displacement, low operating stress, low operating force, and high stiffness in the five noncompliant degrees of freedom. The linear flexure bearing described herein has applications in precision mechanics, particularly opto-mechanics.
    Type: Application
    Filed: July 11, 2011
    Publication date: January 17, 2013
    Inventor: Michael Valois
  • Patent number: 8262068
    Abstract: Shock mounts are described that provide improved shock and vibration isolation compared to existing shock mounts. The shock mounts utilize zero-overlap elastomeric mount technology designed to provide more effective shock and vibration isolation. The shock mounts described herein can be used to mount any objects in which it is desired to isolate the objects from shocks and vibrations including, but not limited to, equipment and large mass objects on military and commercial vessels.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: September 11, 2012
    Assignee: Lockheed Martin Corporation
    Inventors: Robert J. Monson, Jianhua Yan
  • Publication number: 20120160091
    Abstract: Various arrangements are disclosed based on springs formed from a plurality of individual resilient arms, including a spring having a substantially planar form in an unloaded state and rotational symmetry of at least order two about a symmetry axis perpendicular to the plane of the spring, said spring comprising: an inner hub and an outer hub, said inner hub being radially inward with respect to said outer hub; a plurality of resilient connecting arms each connected at an inner end to said inner hub and at an outer end to said outer hub, said plurality of resilient connecting arms being configured to provide a restoring force parallel to said symmetry axis when said inner and outer hubs are displaced relative to each other along said symmetry axis; wherein said inner hub, said outer hub and each of said plurality of resilient connecting arms are formed as physically separate elements and are connected to each other during assembly to form said spring.
    Type: Application
    Filed: June 3, 2010
    Publication date: June 28, 2012
    Inventors: Michael William Dadd, Paul Brian Bailey
  • Patent number: 8121658
    Abstract: Disclosed is an elastic device which is suitable for a sliding opening/closing apparatus of a portable appliance. The elastic device includes a first torsion spring including a first spiral part which is wound as a spiral shape without a vertical overlapping portion and a first extension arm extending from an outer portion of the first spiral part; a second torsion spring including a second spiral part which is wound as a spiral shape without a vertical overlapping portion thereof and a second extension arm extending from an outer portion of the second spiral part. The elastic device also includes a connection member connecting one of both ends of the first torsion spring and one of both ends of the second torsion spring with each other. The elastic device may have a smaller thickness in comparison with that of a conventional torsion spring having a vertical overlapping portion thereof.
    Type: Grant
    Filed: July 6, 2007
    Date of Patent: February 21, 2012
    Assignees: P & Tel Inc.
    Inventor: Han Sang Lee
  • Patent number: 8104290
    Abstract: The present invention are directed towards a system and method for providing a way of reducing the vibrations and wear between mating components of a gas turbine combustor. The gas turbine combustor includes a flow sleeve having a plurality of liner stops and a combustion liner located radially within the flow sleeve. Spring dampers are positioned between the combustion liner and the flow sleeve to restrict the relative movement between the flow sleeve and the combustion liner and dampen vibrations at their assembly location. The spring dampers are capable of compressing to permit thermal growth between the combustion liner and flow sleeve.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: January 31, 2012
    Assignee: Alstom Technology Ltd.
    Inventors: Charlie Ellis, Carlos Calderon
  • Patent number: 8096319
    Abstract: Check valve includes a housing, a bore, and a movable valve body, which is spring-loaded and rests with a sealing action on a valve seat, where the bore is designed as a stepped bore, where the bore with the smaller diameter has the valve seat, and where the bore with the larger diameter holds the movable valve element. The valve body is designed as a ball, which is guided in the bore by at least two guide ribs, and a retaining element in the terminal area of the bore captures the ball and simultaneously spring-loads it.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: January 17, 2012
    Assignee: ZF Friedrichshafen AG
    Inventor: Hubert Beck
  • Patent number: 7950596
    Abstract: A fuel injector includes a fuel injector body defining a fuel inlet and at least one fuel outlet, a valve having a first valve state and a second valve state and an actuator for the valve. The fuel injector includes a biasing spring including a cylindrical rolled sheet having a first spring end, a second spring end and defining a longitudinal center axis. The cylindrical rolled sheet is configured to change in length to bias the actuator toward the first actuator position and includes a helical seam located between the first spring end and a second spring end which has a shape adapted to reduce non-uniformity in a spring constant via distributing stiffness about the longitudinal center axis.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: May 31, 2011
    Assignee: Caterpillar Inc.
    Inventors: Jay Venkataraghavan, Michael Long, Zhenlong Xu, Stephen Lewis
  • Publication number: 20110101583
    Abstract: A spring system comprising flat plate-springs with one end mounted rigidly to an un-spring first base and the opposite end mounted rigidly to a sprung second base. The spring system is fitted with cams as strain-control surfaces, mounted tangent to the plate springs and spaced progressively from the said plate-springs beginning at the tangency. The strain-control cams are movable to provide for adjustable spring rates, actively repositioned upon demand therein providing an adaptive active spring-rate system or suspension.
    Type: Application
    Filed: July 16, 2010
    Publication date: May 5, 2011
    Inventor: Edbert E. L. Dittmar
  • Patent number: 7922129
    Abstract: A fitting for a cable trough system, the fitting including a bottom wall and side walls extending from at least a first terminal end to a second terminal end and forming a trough therebetween, the side walls being curved in a longitudinal direction, and an end portion formed at each of the first and second terminal ends, the end portion including first and second guiding surfaces defining a space therebetween, and a spring member positioned in the space. The space is sized to receive a terminal end of a trough member of the cable trough system, and wherein the spring member is positioned to engage the terminal end of the trough member to couple the trough member to the fitting. Other cable routing devices can also be used.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: April 12, 2011
    Assignee: ADC Telecommunications, Inc.
    Inventors: David E. Rapp, Thomas C. Tinucci, Derek Sayres, Thomas L. Barnes
  • Patent number: 7916825
    Abstract: The present invention relates to a fuel rod of a nuclear fuel assembly having a vase-like compression spring adapted to increase the internal volume thereof wherein when the vase-like compression spring is inserted into a cladding tube, it has a relatively smaller volume occupied inside the fuel rod when compared with the existing coil type compression spring, such that the vase-like compression spring can ensure a sufficient space portion receiving the fission gases generated during the operation of the fuel rod, thereby increasing the burn-up performance of the fuel rod and the mechanical integrity thereof.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: March 29, 2011
    Assignee: Kepco Nuclear Fuel Co., Ltd.
    Inventors: Shin-ho Lee, Yoon-ho Kim, Kyou-seok Lee, Kyu-Tae Kim, Jung-min Suh, Nam-Gyu Park, Kyong-bo Eom, Joon-kyoo Park, Jin-sun Kim
  • Patent number: 7896001
    Abstract: There is provided a pressure-responsive device (40) suitable for use in an inhaler, the pressure-responsive device (40) comprising a closed frame (42) over which is fixed a membrane (44), a tongue (46) being supported on the membrane (44). Two upstanding wings (50) are integrally moulded with the tongue (46) and incorporate square apertures (52). A method of manufacturing the pressure-responsive device (40) is also provided.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: March 1, 2011
    Assignee: Pfizer Limited
    Inventors: Nigel Harrison, Daniel Godfrey
  • Publication number: 20100294162
    Abstract: A cable transportation system (1) having a pull cable (2) defined by a number of strands (7) and drawn along a path (P); at least one transportation unit (3) movable along the path (P) and connected to the pull cable (2) by a coupling device (4); a metal structure (5) located along the path (P) to support and guide the transportation unit (3); and at least one guide roller (6) for guiding the pull cable (2) and supported by the metal structure (5) by means of leaf springs (26, 27, 40) which damp vibration caused by the strands (7) of the pull cable (2) contacting the guide roller (6).
    Type: Application
    Filed: October 24, 2008
    Publication date: November 25, 2010
    Applicant: ROLIC INVEST S.AR.L
    Inventors: Andrea Durante, Federico Bavaresco, Giuseppe Conte
  • Patent number: 7819390
    Abstract: A clip used to attach vertical and horizontal members of a fencing assembly is provided. The clip includes three resilient legs and enables fencing assemblies to be constructed on site without the use of screws or welding. Configurations for vertical and horizontal members of a fencing assembly that can be used in conjunction with the clip. Methods of assembly are provided as well.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: October 26, 2010
    Inventors: Aaron Godwin, Bruce Schwartz
  • Publication number: 20100239415
    Abstract: A spring assembly for a retractable turbine rotor seal supported in an arcuate segment may include in one embodiment a first radially inner restraining plate having a lower surface adapted to engage a surface of a turbine stator, and a flat upper surface provide with an upstanding hub; a second radially outer restraining plate having a flat lower surface and an upper surface adapted to engage a surface of the arcuate segment, the radially outer restraining plate formed with an opening receiving the upstanding hub; and at least one spring telescoped over the upstanding hub and exerting a radially outward biasing force on the second radially outer restraining plate, and adapted to exert a radially outward retracting force on the arcuate segment.
    Type: Application
    Filed: March 20, 2009
    Publication date: September 23, 2010
    Applicant: General Electric Company
    Inventors: Norman Arnold TURNQUIST, Shorya nmn AWTAR, Mustafa GURSOY, Karatik Mangudi VARADARAJAN
  • Patent number: 7789378
    Abstract: A spring system comprising flat plate-springs with one end mounted rigidly to an un-sprung first base and the opposite end mounted rigidly to a sprung second base. The spring system is fitted with cams as strain-control surfaces, mounted tangent to the plate springs and spaced progressively from the said plate-springs beginning at the tangency. The strain-control cams are movable to provide for adjustable spring rates, actively repositioned upon demand therein providing an adaptive active spring-rate system or suspension.
    Type: Grant
    Filed: September 21, 2004
    Date of Patent: September 7, 2010
    Inventor: Edbert E. L. Dittmar
  • Publication number: 20100147635
    Abstract: A pad spring located at the entrance side in the rotational direction of a disk is provided with guide plate portions, radially urging portions that urge a pair of friction pads radially outward of the disk, and circumferentially urging portions that urge the friction pads in the rotational direction of the disk. Each radially urging portion has a projection bent radially inward of the disk. Each guide plate portion has a space portion that allows the projection to abut against the radially inner wall surface of the associated pad guide when the radially urging portion is displaced radially inward of the disk so as to approach the guide plate portion. The circumferentially urging portions are wide plate-shaped members bent from the guide plate portions.
    Type: Application
    Filed: February 23, 2010
    Publication date: June 17, 2010
    Inventor: Shigeru HAYASHI
  • Publication number: 20100127442
    Abstract: An automobile vibration damping device for an automobile in which a power plant in which an engine, a transmission and the like are combined is supported by a vehicle body, including a vibrating means that generates vibration separate from vibration of the engine. Thereby, it is possible to reduce the vibration amplitude of a seat portion by the reaction force of the vibrating means. Also, if the vibration mode of the vehicle body is adjusted so as to become a node in the vicinity of the seat portion, the vibration amplitude decreases in the vicinity of the seat portion, and improves riding comfort.
    Type: Application
    Filed: December 6, 2007
    Publication date: May 27, 2010
    Applicant: SINFONIA TECHNOLOGY CO., LTD.
    Inventors: Yasushi Muragishi, Takayoshi Fujii, Takashi Fukunaga, Hideaki Moriya, Katsuyoshi Nakano, Hiroshi Nakagawa, Takashi Onoue, Yushi Sato
  • Patent number: 7699296
    Abstract: A micromachined actuator including a body or platform mounted to a suspension system anchored to a substrate. In one embodiment, the suspension system is comprised of a set of one or more spring flexures connecting the actuator body to the substrate with strain relief provided via connecting torsional elements. In another embodiment, the suspension system includes a first set of one or more spring flexures each with one end anchored to a largely rigid intermediate frame and the other end attached to the body. A second set of one or more flexures is attached between the intermediate frame and the substrate. A third actuator embodiment maximizes force electrode area to minimize voltage required for electrostatic actuation. A fourth embodiment provides electrical interconnect to an actuator or an actuator array using polysilicon with silicon nitride isolation.
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: April 20, 2010
    Assignee: Iris AO, Inc.
    Inventors: Clifford F. Knollenberg, Michael Albert Helmbrecht
  • Patent number: 7679229
    Abstract: A flexure includes a shaped sheet of material having a middle portion coupled to a magnet, an end portion, and a corner portion between the end portion and the middle portion, the corner portion including a curve with a concave curvature relative to a point of view outside the corner portion. The flexure may be used in a linear motor.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: March 16, 2010
    Assignee: Bose Corporation
    Inventor: Roger Mark
  • Publication number: 20090261517
    Abstract: Embodiments of a multi-stage spring system are provided herein. In some embodiments, a multi-stage spring system includes a spring assembly having at least one resilient element, wherein the spring assembly has a first spring constant when deflected up to a first distance, a greater, second spring constant when deflected beyond the first distance and up to a second distance, and a greater, third spring constant when deflected beyond the second distance and up to a third distance, and wherein the spring assembly stores mechanical energy when deflected towards a contact surface that biases the spring assembly away from the contact surface when released.
    Type: Application
    Filed: April 21, 2008
    Publication date: October 22, 2009
    Applicant: FORMFACTOR, INC.
    Inventor: JUN JASON YAO
  • Publication number: 20090256297
    Abstract: A device (96) includes a microelectromechanical (MEMS) sensor (40). The sensor (40) includes a movable element (42) adapted for motion in a direction (44) and an anchor (46) coupled to a substrate (48). The MEMS sensor (40) further includes spring members (50) interconnected between the movable element (42) and the anchor (46). Each of the spring members (50) includes beams (56, 58, 60) arranged in substantially parallel alignment, with the beam (60) positioned between the other beams (56, 58). Each of the beams (56, 58) is coupled to the anchor (46) and the beam (60) is coupled to the movable element (42). Each of the spring members (50) further includes a support structure (64) joined with the beams (56, 58) to provide vertical stiffness to the beams (56, 58) of the spring member (50).
    Type: Application
    Filed: April 14, 2008
    Publication date: October 15, 2009
    Applicant: FREESCALE SEMICONDUCTOR, INC.
    Inventor: Aaron A. Geisberger