Resilient Shock Or Vibration Absorber Patents (Class 267/136)
  • Publication number: 20080290141
    Abstract: This invention discloses a method, using pure niobium as a transient liquid reactive braze material, for fabrication of cellular or honeycomb structures, wire space-frames or other sparse builtup structures or discrete articles using Nitinol (near equiatomic titanium-nickel alloy) and related shape-memory and superelastic alloys. Nitinol shape memory alloys (SMAs), acquired in a form such as corrugated sheet, discrete tubes or wires, may be joined together using the newly discovered technique. Pure niobium when brought into contact with Nitinol at elevated temperature, liquefies at temperatures below the melting point and flows readily into capillary spaces between the elements to be joined, thus forming a strong joint. A series of diagrams of the interface at various stages of brazing is illustrated by FIG. 10.
    Type: Application
    Filed: September 30, 2005
    Publication date: November 27, 2008
    Applicants: The Regents of the University of Michigan, Board of Trustees of Michigan State University
    Inventors: John A. Shaw, David S. Grummon
  • Publication number: 20080284074
    Abstract: A shock absorber is provided that also includes vibration damping. The shock absorber includes at least one shock absorbing frame member that partially surrounds an electronic device enclosure. The shock absorber also includes at least two protrusions that protrude from the at least one shock absorbing frame member. Each protrusion extends beyond the at least one shock absorbing frame member from a recessed surface recessed into the at least one shock absorbing frame member.
    Type: Application
    Filed: May 17, 2007
    Publication date: November 20, 2008
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: JuiJing Lim, Chenyang Ding, Xiong Liu, MingZhong Ding, KianKeong Ooi, ChoonKiat Lim
  • Patent number: 7451966
    Abstract: An isolator mount with shock and vibration applications is presented. Specifically, the invention is comprised of an energy dissipating material disposed between deflectable elements. The invention is capable of damping small disturbance excitations and mitigating large shocks. The invention transfers mechanical energy to the dissipating materials via device structure and matrix. Materials dissipate shock and vibration either as heat or magnet energy. The invention includes a semi-passive mode for harsh environments and an active mode for benign environments. A snap-together modular embodiment with quasi-static adjustability enables two or more isolators to address a wide variety of conditions and to respond to changing conditions.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: November 18, 2008
    Inventors: Gareth J. Knowles, Bruce Bower
  • Publication number: 20080258364
    Abstract: A cylindrical vibration isolating device having an inner cylinder, an outer cylinder surrounding the inner cylinder, an elastic leg having a pair of right and left leg portions to connect the inner cylinder and the outer cylinder and, when viewed in the axial direction of the inner cylinder, being formed in a substantially inverted V-shape while placing the inner cylinder in an intermediate position, and a mass projection being provided in the elastic leg such that the mass projection resonates in a frequency range that the elastic leg causes bending resonance. The mass projection is provided outside of an inner restraint line that is a perpendicular line passing an outermost point of an inner restrained portion that is a connected portion between the inner cylinder and the elastic leg.
    Type: Application
    Filed: April 16, 2008
    Publication date: October 23, 2008
    Applicant: YAMASHITA RUBBER KABUSHIKI KAISHA
    Inventors: Yukinobu Hirano, Hironao Nishimae
  • Publication number: 20080258363
    Abstract: Mechanical control shock-absorbent anti-recoil universal mechanism intended for various fields such as industrial and civil constructions, machine building industry, robotics et cetera, its purpose being to protect against the impact forces, recoil forces or vibrations. The mechanical control shock-absorbent anti-recoil universal mechanism comprises a mobile holder X, a joint lever and spring mechanism Y and an end holder Z. The mechanical control shock-absorbent anti-recoil universal mechanism has the role of absorbing and a cancellation of the impact forces and recoil forces, while a mechanical control mechanism K adjust concomitently and continuously the tension of the absorbent springs and the annulling springs in order to decrease or to annul the impact force.
    Type: Application
    Filed: September 12, 2006
    Publication date: October 23, 2008
    Inventor: Vasile Cinciu
  • Publication number: 20080239733
    Abstract: A highway lighting apparatus includes a lighting fixture, and a vibration damper. The vibration damper includes a housing having a ball chamber, the chamber being of square shape. One or two vibration damping balls are mounted in the chamber for independent free rolling movement therein. If two balls are used, the ball diameter is shorter than one-half of each of the four chamber sides. If the damper is used on a pole having a side-mounted light fixture, the housing would include a downwardly open socket receiving the top end of the pole, with a center axis of the pole coinciding with respective center axes of the chamber and the socket. In the case where the damper is used on a pole having a top-mounted light fixture, the damper would be mounted below the light fixture on a side of the pole.
    Type: Application
    Filed: April 2, 2007
    Publication date: October 2, 2008
    Applicant: HAPCO ALUMINUM POLE PRODUCTS
    Inventor: Ray Carl Minor
  • Patent number: 7428954
    Abstract: Disclosed herein is a damper for use in a drum type washing machine, which can support a tub of the washing machine and absorb vibration of the tub. The damper comprises a cylinder, a piston partially inserted inside the cylinder, and a fixed damping member and movement prevention means, which are installed around an inserted portion of the piston inside the cylinder so that they are spaced apart from each other, and adapted to allow the piston to be stably supported inside the cylinder even in case that a tub of the washing machine vibrates in a non-axial direction of the cylinder and piston, thereby restricting a relative angular rotation of the cylinder and piston and preventing rubbing and collision caused between a lower end of the cylinder and the piston.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: September 30, 2008
    Assignee: LG Electronics Inc.
    Inventors: Seung Chul Park, Si Moon Jeon, Gwan Ryong Park, Jae Hyun Kim
  • Patent number: 7423868
    Abstract: An apparatus for mounting includes a first buffer fixing piece for arranging a first buffer unit to a first hard disk drive (HDD), a holding frame for holding the first HDD that is integrated with the first buffer fixing piece, and for fixing a control board, a second buffer fixing piece for arranging a second buffer unit to a second HDD, and for arranging the second HDD away from a palm rest, and a holding case that holds the second HDD, and is connected to the holding frame.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: September 9, 2008
    Assignee: Fujitsu Limited
    Inventors: Daisuke Mihara, Takeshi Murakami, Hiroyuki Mochizuki
  • Publication number: 20080211151
    Abstract: The invention relates to a vibration damper (10), in particular for attachment to a motor vehicle seat, with a carrier frame (12), a vibration mass (26) and a spring arrangement (18, 20), wherein the carrier frame (12) and the vibration mass (26) are coupled to one another via the spring arrangement (18, 20). In this vibration damper (10) it is envisaged that the spring arrangement (18, 20) comprises at least one elastic connection element (18, 20), which is formed integrally on the carrier arm (12) and on the vibration mass (26).
    Type: Application
    Filed: March 15, 2006
    Publication date: September 4, 2008
    Inventors: Wolfgang Wieser, Wolfgang Orthofer, Franz Kobus
  • Publication number: 20080205992
    Abstract: A riser is connected to subsea well equipment and extends to a vessel. A tubular conductor is mounted stationarily to and around the riser, the conductor passing through an opening in the vessel. A set of rollers is mounted to the vessel around the opening for engagement with the conductor as the vessel moves relative to the riser. Hydro-pneumatic cylinder units are connected between the riser and the vessel for applying tension to the riser. An external flange is located on a lower portion of the conductor. A shock absorber is positioned around the conductor and mounted to the vessel for movement relative to the conductor. The shock absorber absorbs shock when the cylinder units are in an extreme stroke position.
    Type: Application
    Filed: February 27, 2008
    Publication date: August 28, 2008
    Applicant: Vetco Gray Inc.
    Inventors: Fife Baker Ellis, Kevin Edward O'Dell
  • Publication number: 20080197550
    Abstract: The invention relates to a method for adapting a vibration isolation system as well as to an arrangement with a vibration isolation system. By constructive measures in the environment of the vibration isolation system, particularly plane-parallel surfaces areas are avoided and thereby disturbing environmental influences are reduced.
    Type: Application
    Filed: February 13, 2008
    Publication date: August 21, 2008
    Applicant: Integrated Dynamics Engineering GmbH
    Inventor: Peter Heiland
  • Publication number: 20080191118
    Abstract: A support for machinery, and for isolating vibration from the machinery, comprises a plurality of mounts, each mount comprising an elastomeric block for completely supporting the static load of the machinery, and active isolation means comprising inertial shakers arranged to maintain essentially a zero stiffness of the mount to excited structural resonances over a desired frequency band above said mount resonant frequency, and to modify the transmission of out of balance forces to the hull. A control system coupled to the inertial shakers includes a means for applying damping force signals, such as to dampen structural resonances, to inhibit the onset of resonant vibration.
    Type: Application
    Filed: April 6, 2006
    Publication date: August 14, 2008
    Applicant: BAE SYSTEMS plc
    Inventors: Frederick A. Johnson, Stephen Daley
  • Patent number: 7410039
    Abstract: A tunable vibration absorption device is provided that is suitable for active or semi-active vibration absorption or damping of vibrations in vibrating structures. It comprises a stack including a force actuator mechanism for generating an axial actuation force and a force sensor mechanism which is responsive to an external force acting on the stack to generate a force signal. A controller unit is electrically connected to the force sensor mechanism for receiving the force signal generated by the force sensor mechanism, and it is also electrically connected to the force actuator mechanism for adjusting the axial actuation force generated by the force actuator mechanism in response to the received force signal generated by the force sensor mechanism.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: August 12, 2008
    Assignee: ASM Assembly Automation Ltd.
    Inventors: Siu Wing Or, Lai Wa Helen Chan-Wong, Ping Kong Joseph Choy, Chou Kee Peter Liu
  • Patent number: 7409799
    Abstract: An anti shock device has a base plate and a top plate, at least one pair of support racks are mounted between the top plate and the base plate. At least one adapter is mounted between the support racks. The adapter has a curved rail defined therein, and the support racks also have curved rails defined therein which curves opposite to that of the adapter. A rolling shaft is mounted through the curved rails. In addition, a damping layer is provided on the top plate or base plate as well as support racks and rolling shafts. When the anti shock device is subjected to the earthquake, a relative displacement will reduce the horizontal vibrations and the damping layer will reduce the vertical vibrations.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: August 12, 2008
    Inventor: Chong-Shien Tsai
  • Publication number: 20080184501
    Abstract: A dock leveler includes a vehicle-engaging lip extending beyond the front end of a pivotal deck, wherein the lip has one or more unique features that reduce the level of vibration generated when the lip contacts a trailer bed as material handling equipment traverses the lip. By damping the vibration generated when the lip interacts with the trailer bed, the special features also reduce the level of noise emitted. The special features of the lip may include a cushion attached to an undersurface of the lip such that the cushion is adapted to be compressed between the lip and the trailer bed as material handling equipment traverses the lip.
    Type: Application
    Filed: November 15, 2007
    Publication date: August 7, 2008
    Inventors: Bernd Vering, Hans Joseph Kloppenburg, Norbert Hahn, Reinhard E. Sander
  • Patent number: 7404548
    Abstract: A dampening clip assembly may include a spring mount, a clip member, and a sealing member. The spring mount may include a base, a piston cylinder extending from the base and defining an interior cavity, a mounting surface having a passage formed therethrough, and a spring positioned between the base and the mounting surface. The clip member is secured to the spring mount and configured to retain a tube. The clip member includes a piston extending from a main body. The piston may be disposed within the interior cavity of the piston cylinder. The sealing member may be secured to a portion of the piston, and forms a fluid-tight seal between the piston cylinder and the piston.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: July 29, 2008
    Assignee: Illinois Tool Works Inc.
    Inventor: Mark J. Kwilosz
  • Patent number: 7398964
    Abstract: An isolator mount capable of dissipating shocks and vibrations is presented. The present invention includes a mount which is load bearing and capable of withstanding repeated deflections and strains, at least two damping layers composed of an energy damping viscoelastic polymer, and at least two constraining layers composed of an energy damping alloy. Each layer of energy damping viscoelastic polymer is separately disposed and bonded to the exterior of the mount. One constraining layer is bonded to and substantially covers each damping layer. Damping and constraining layers minimize the stiffness change to the mount.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: July 15, 2008
    Inventors: Gareth J. Knowles, Bruce Bower
  • Patent number: 7398143
    Abstract: An active vibration absorber is provided for absorbing vibrations in a member. An inertial mass is mounted on the member with a stiffness between the member and the mass. A force actuator arrangement applies a force between the inertial mass and the member. A damping arrangement provides for damping of a resonance of the active vibration absorber. A first sensor arrangement provides at least one first signal indicative of at least one movement and/or stress related parameter for the member and a second sensor arrangement provides for at least one second signal indicative of a reaction of the inertial mass. A control arrangement is provided for controlling the force actuator arrangement using the at least one first signal and the at least one second signal.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: July 8, 2008
    Assignee: Ultra Electronics Limited
    Inventors: Ian Stothers, Ivan Scott, Richard Hinchliffe
  • Patent number: 7394009
    Abstract: A resilient washer design having an annulus body and a concentric sleeve extending from the annulus with a plurality of ribs extending from the sleeve. The washer may have an opposing sleeve extending from the opposite side of the annulus with a second plurality of ribs in staggered location to the first set of ribs. This staggered position allows the annulus to flex between the ribs on opposing sides and resist compression of the washer when pressure is applied axially.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: July 1, 2008
    Assignee: Probe Specialists, Inc.
    Inventor: Brian Thomas Judd
  • Publication number: 20080136071
    Abstract: An elastomeric tie rod end isolator or an elastomeric cartridge isolator that includes an outer metal sleeve defining a generally cylindrical socket, a generally cylindrical inner metal sleeve disposed coaxially within the socket in radially spaced relationship with the outer metal sleeve, and an elastomeric isolator disposed therebetween. The elastomeric isolator is a unitary annular body formed of an elastomer material and having a radially inboard surface in contact with the inner metal sleeve and a radially outboard surface in contact with the outer metal sleeve. The unitary elastomer body has a generally conical primary load-carrying section and a generally cylindrical secondary load-limiting section, each disposed coaxially about the axis of the socket. The load-limiting section includes a snubber gap formed by an axially extending groove.
    Type: Application
    Filed: December 8, 2006
    Publication date: June 12, 2008
    Applicant: ENIDINE, INC.
    Inventors: Jeffrey N. Weisbeck, Mark J. Ott, Gabor Rozsa
  • Patent number: 7383929
    Abstract: An anti-vibration apparatus includes a first magnet unit arranged on a support target and including a first permanent magnet, and a second magnet unit including a pair of second permanent magnets. The pair of second permanent magnets is arranged to interpose the first permanent magnet without contact such that the same magnetic poles of the first and second permanent magnets oppose each other. Sizes of the first and second magnet units are set such that a force acting between the first and second magnet units in a direction perpendicular to a direction in which the first magnet unit supports the support target is zero in a relative positional range between the first and second magnet units.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: June 10, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobushige Korenaga
  • Patent number: 7379300
    Abstract: A fixing mechanism fixes a side of a fan frame having a plurality of cooling fans and provided with a locking elastic tab having a second locking portion to a bottom board of a housing of an electronic device. The fixing mechanism includes a fixing tab fixed to the bottom board; a locking tab corresponding to the locking elastic tab and vertically installed on the fixing tab for fixing the fan frame, the locking tab having a first locking portion for being locked to the second locking portion; and an elastic buffer installed between the first locking portion and the second locking portion, for reducing vibration generated due to the spinning of the cooling fans.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: May 27, 2008
    Assignee: Inventec Corporation
    Inventor: Jung-Lung Chen
  • Patent number: 7367421
    Abstract: A rack shaft is supported at three positions including a gear housing receiving an engagement portion between a rack gear and a pinion near one end in an axial direction with respect to a rack housing corresponding to a support body thereof, a housing near the other end, and a hollow tube housing in an approximately center portion of the rack shaft. A bush made of a resin and constituted by a cylinder body is used for supporting the rack shaft by the hollow tube housing in the approximately center portion of the rack shaft. The bush is provided with a plurality of cut grooves extending in an axial direction thereof, and is provided with a curve forming portion substantially supporting the rack shaft and extending toward an inner side in a center portion in the axial direction thereof.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: May 6, 2008
    Assignee: Showa Corporation
    Inventors: Tatsuya Saito, Yukio Tajima, Yoshio Onoguchi
  • Publication number: 20080089021
    Abstract: A fixing apparatus for holding a data storage device is provided. The fixing apparatus includes a drive bracket, and an insertion rack. The drive bracket includes two opposite side panels. Each of the side panels forms at least one guiding portion and defines a slot therein. The insertion rack is configured for inserting the data storage device into the drive bracket. The insertion rack forms two hooks. The insertion rack is capable of sliding into the drive bracket along the guiding portions. The hooks ride along an exterior of the drive bracket until they are inserted into the corresponding slots of the drive bracket.
    Type: Application
    Filed: May 15, 2007
    Publication date: April 17, 2008
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: SONG DENG, KE-CHENG LIN, WEN-KANG LO, HSUAN-TSUNG CHEN, GUANG-YAO LEE, CHUN-CHI LIANG
  • Patent number: 7347437
    Abstract: A damper assembly for a suspension system of a vehicle includes a housing adapted to be mounted to one end of a strut in the suspension system. The housing has a chamber with fluid therein. The damper assembly also includes at least one diaphragm extending across the chamber to react with the fluid, to be compliant at relatively small displacements, and to be rigid at relatively large displacements.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: March 25, 2008
    Assignee: GM Global Technology Operations, Inc.
    Inventors: Kenneth L. Oblizajek, Shawn G. Quinn, William C. Gregory, Carl T. Wright, Gregory J. Fadler
  • Patent number: 7338035
    Abstract: A shock suppressor has at least two sliding units stacked in an alternate manner, and each sliding unit consists of a moving base, a connecting base and at least one rod. The connecting base is moveably combined with the moving base via the at least one rod. At least one positioning hole and at least one curved guiding channel are defined respectively in the connecting base and moving base for the at least one rod to be mounted respectively in the at least one positioning hole and to extend moveably into a corresponding one of the at least one guiding channel. Accordingly, the shock suppressor can reduce or isolate the transmission of a shock efficiently.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: March 4, 2008
    Inventor: Chong-Shien Tsai
  • Publication number: 20080042332
    Abstract: Flat displays are provided. A flat display comprises a frame, a panel module disposed in the frame, and a shock absorber disposed between the frame and the panel module. The shock absorber comprises a first flexible component, a second flexible component and a space formed therebetween. When external force is exerted on the frame, the first flexible component, the second flexible component and the space are deformed to absorb shock and protect the panel module.
    Type: Application
    Filed: August 15, 2007
    Publication date: February 21, 2008
    Applicant: BENQ CORPORATION
    Inventor: Hua Chung Tseng
  • Publication number: 20080042331
    Abstract: Vibration suppression systems and methods for isolating payloads from vibrational forces are provided. A gas spring has a housing and a piston disposed within the housing. The piston has opposing first and second surfaces, and the housing has a chamber adjacent the first piston surface. A payload is coupled to the piston, and net gas pressure force is applied to the piston by respectively exposing the first and second piston surfaces to first and second gas pressures. The piston is allowed to be displaced relative to the housing in response to a vibration applied to the housing, whereby the net gas pressure force is modified. The mass of a gaseous medium within the chamber is modified to equalize the net gas pressure force.
    Type: Application
    Filed: September 11, 2006
    Publication date: February 21, 2008
    Applicant: IPTRADE, INC.
    Inventors: Baruch Pletner, Grace Rose Kessenich
  • Patent number: 7333882
    Abstract: In a suspension control system a sky-hook command signal (B) obtained from velocity data obtained by integrating a sprung mass acceleration (?u) from a sprung mass acceleration sensor (9u) and an unsprung mass vibration damping command signal (C) obtained on the basis of an unsprung mass acceleration (?d) detected by an unsprung mass acceleration sensor (9d) are added together to obtain a control signal (A) for a damping characteristic inverting type shock absorber (6). The control signal (A) reflects the unsprung mass acceleration (?d) that leads in phase by 90° the piston speed. Accordingly, it is possible to compensate for a response delay due to an actuator (11), etc.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: February 19, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Toru Uchino, Nobuyuki Ichimaru, Masaaki Uchiyama
  • Publication number: 20080029941
    Abstract: A hysteresis damping device for a vibratory body. A body has a main portion and a top portion. The top portion is one-piece with the main portion and extends coaxially upwardly therefrom. The main portion is cylindrically-shaped and the top portion is axially compressed cone-shaped so as to form a concave side wall therefor and allow the body to taper. The body is made from brass to provide reduced stiffness therefor to dissipate more energy. The main portion has a bottom end held fixed to the vibratory body so as to allow the body to cantilever from the vibratory body and allow the other end of the body to be free to vibrate. In another embodiment, the bottom of the main portion has a threaded blind bore coaxially therein and a nipple threadably engages therein and threadably extends into the vibratory body to provide length adjustment for the tapered cantilever, depending upon what the vibratory body is, to thereby adjust amount of damping and form a dynamic system.
    Type: Application
    Filed: January 15, 2007
    Publication date: February 7, 2008
    Inventor: Michael Idarecis
  • Patent number: 7322569
    Abstract: A two mass vibratory apparatus for processing work material includes a bed defining a transport surface for receiving the objects, an elastic amplifier having a first end connected to the bed and a second end, and a base connected to the elastic amplifier second end. A linear actuator is mounted on the base and adapted to generate a linear vibratory force that is amplified by the elastic amplifier thereby to move the bed in a vibratory motion, so that the work material moves in response to the vibratory motion of the bed.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: January 29, 2008
    Assignee: General Kinematics Corporation
    Inventor: Richard B. Kraus
  • Publication number: 20070290422
    Abstract: Disclosed is an electronic apparatus having a high-reliability vibration-proof structure for a wide temperature range. The electronic apparatus comprises a casing for storing a hard disk; and a rubber vibration isolator having projections on both faces thereof, which is disposed between the hard disk and the casing such that the projections have contact areas with the hard disk as well as with the casing and in which the contact area and an inverse number of Young's modulus are equal in the change rate caused due to temperature change. Accordingly, a spring constant can be maintained virtually constant without depending on the temperature change.
    Type: Application
    Filed: November 21, 2006
    Publication date: December 20, 2007
    Inventor: Tamotsu Akashi
  • Patent number: 7303184
    Abstract: A passive isolator mount capable of dissipating shocks and vibrations as either heat or magnetic energy is presented. The passive isolator includes a pair of L-shaped or C-shaped brackets capable of withstanding repeated deflections and strains, energy dissipating layers disposed along each bracket, and a bond layer. The energy dissipating layers are composed of a rare earth element or alloy, a ferromagnetic shape alloy, a magnetic shape memory alloy, a magnetostrictive alloy, a magneto-mechanical alloy, a super-elastic alloy, or a combination thereof. The bond layer is disposed between and adheres one energy dissipating layer along a first bracket to an energy dissipating layer along a second bracket so that the resultant passive isolator is C-shaped. Energy dissipating and bond layers completely bisect the passive isolator either widthwise through the thickness of the L-shaped brackets or lengthwise through the thickness of the C-shaped brackets.
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: December 4, 2007
    Inventors: Bruce Bower, Gareth Knowles
  • Patent number: 7290642
    Abstract: A magnetic spring device with negative stiffness contains at least one first pole body combination composed of at least one first, at least one second and at least one third pole body, which each have opposite magnetic poles, with the pole bodies in the combination being aligned such that opposite poles are opposite one another and the first and the third pole bodies assume a defined distance from one another, in which the second pole body is arranged, with the pole bodies being arranged such that they can move relative to one another.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: November 6, 2007
    Assignee: Integrated Dynamics Engineering GmbH
    Inventor: Peter Heiland
  • Publication number: 20070252314
    Abstract: An upper bush is secured to a bracket of a compressor unit, and a lower bush is abutted against a panel member of a vehicle body through a washer. A coil spring is interposed between the upper and lower bushes. A pipe member is inserted through the upper and lower bushes and the coil spring. A bolt is inserted through the pipe member and screwed into the panel member of the vehicle body. The compressor unit is resiliently supported floatingly by the coil spring. Vibration of the compressor unit is damped by friction generated by sliding contact between the pipe member and raised portions of the upper bush. When the vibration amplitude is large, respective projections of the upper and lower bushes abut against each other to suppress the vibration while absorbing impact.
    Type: Application
    Filed: March 21, 2007
    Publication date: November 1, 2007
    Inventors: Kazuhisa Yama, Tsutomu Itou
  • Patent number: 7284527
    Abstract: A tuned vibration absorber is disclosed that includes a base, a spring mounted to the base, and a mass mounted to the spring. The absorber is particularly, advantageous when mounted to a specific vehicle component via a mounting bolt that is already employed to mount that particular component. For example, a tuned vibration absorber may be mounted to a cam cover bolt on a cam cover in order to absorb undesirable vibrations at a particular frequency.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: October 23, 2007
    Assignee: Freudenberg-NOK General Partnership
    Inventors: Eric Herrera, Bilal A. Bazzi
  • Patent number: 7284748
    Abstract: A vibration damping mount includes: a substantially annular damping member having an insertion hole, through which the bolt to be attached to an attachment boss is inserted, and externally surrounds the bolt; a grommet that includes a first retaining section for retaining a heat shield, a second retaining section for retaining the damping member, and a coupling section for coupling the first retaining section and the second retaining section, the second retaining section, the coupling section, and the first retaining section being provided in this order from the attachment boss side; and a collar member that includes a pair of flange sections, which nip the damping member from both sides in an axial direction with gaps formed on both the sides, and a coupling section, which couples the pair of flange sections each other and has a gap in a radial direction between the coupling section and the damping member.
    Type: Grant
    Filed: September 1, 2004
    Date of Patent: October 23, 2007
    Assignee: Sanwa Packing Industry Co., Ltd.
    Inventor: Kazuaki Mishima
  • Publication number: 20070241488
    Abstract: A damping assembly includes a supporting base, a stainless steel layer having an arcuate slippery top face mating to the arcuate top face of the supporting base, a Teflon® layer movably seated on top of the arcuate slippery top face of the stainless steel layer, a supporting stainless steel layer placed on top of the Teflon® layer to force the Teflon® layer, a rubber pad provided on top of the supporting stainless steel layer providing necessary resilience, a confinement to confine the rubber pad when experiencing a load on the rubber pad and a top supporting plate for firm attachment to a bottom face of a main construction such that movement of the Teflon® layer offsets a shaking force and the rubber pad provides balance to the top supporting plate and absorbs vertical vibration force to protect the main construction from damage of an earthquake.
    Type: Application
    Filed: December 4, 2006
    Publication date: October 18, 2007
    Inventor: Kuo-Jung Chuang
  • Patent number: 7264098
    Abstract: A damper for reducing vibrations in a handheld device, tool and/or instrument may comprise a resilient member and a weight. The resilient member may mounted to any portion of a device having a surface suitable for engaging and retaining the resilient member therein, and the resilient member may have an inside surface suitable for engaging and retaining the weight. In some embodiments, additional resilient members may be arranged to engage and retain the weight.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: September 4, 2007
    Inventor: Mathew A. McPherson
  • Patent number: 7243764
    Abstract: A friction damper with a housing including a cavity. The damper includes a first member disposed in the cavity and movable in the cavity; a second member disposed in the cavity; an intermediate member between the first and second members, the first member being in frictional engagement with the intermediate member; and at least one magnetic field generator mounted to magnetically couple the first and second members thereby maintaining the first member in frictional engagement with the intermediate member and wherein the first member is movable against the intermediate member to generate a damping force.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: July 17, 2007
    Assignee: Lord Corporation
    Inventor: J. David Carlson
  • Patent number: 7232017
    Abstract: A pole vibration damping means includes an annular housing with internal radial pole encircling chambers in which lead spheres are provided for effecting damping of first mode harmonic vibrations with the assembly being attached to the upper end portion of the pole and operating in conjunction with a pole vibration damping device mounted medially for damping second harmonic mode vibrations.
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: June 19, 2007
    Assignee: Kearney-National Inc.
    Inventor: Ray C. Minor
  • Patent number: 7222704
    Abstract: A selective damping apparatus includes at least one sensor for detecting, and producing signals indicative of at least the frequency and amplitude of vibrations of a first structural component (a “resonant structure”) having one or more resonant frequencies. At least one vibration generator is provided for generating damping vibrations for application to the resonant structure, as well as a controller for controlling the operation of the vibration generator in delayed response to the signals produced by the at least one sensor. The at least one sensor and at least one vibration generator are adapted to cooperate with a second structural component (a “non-resonant structure”) that is relatively insensitive to the resonant frequencies of the resonant structure. The nonresonant structure is connected or coupled to the resonant structure either directly or indirectly, via one or more intermediate structural components.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: May 29, 2007
    Assignee: BAE Systems plc
    Inventors: John B. Pearson, Philip A. Emery
  • Patent number: 7216859
    Abstract: A damping arrangement is proposed with at least two holding devices (10, 11) that are connected to one another via at least one damping element (12) in the form of a plane element made of a wire mesh or wire fabric, said holding devices (10, 11) being secured to at least two different regions of the damping element (12), and said damping element (12) having at least two curvatures in opposite directions between the holding devices (10, 11). A damping arrangement of this type may be produced cost-effectively in an automated process in such a way that the damping element is constructed to have substantially the same elastic stiffnesses in three mutuallyorthogonal directions.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: May 15, 2007
    Assignee: Sebert Schwingungstechnik GmbH
    Inventor: Karl Sebert
  • Patent number: 7182324
    Abstract: A microphone isolation system. The system includes an isolation member, a support member, and at least two compliant members. The at least two compliant members mechanically support the isolation member and isolate the isolation member from vibrations. The at least two compliant members can also isolate the support member from any vibratory excitation source coupled to and/or supported by the isolation member.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: February 27, 2007
    Assignee: Polycom, Inc.
    Inventors: John C. Baumhauer, Jr., Robert Spaller, Thao D. Hovanky, Larry Allen Marcus, Peter Chu, Denton L. Simpson
  • Patent number: 7178647
    Abstract: A system is disclosed for the absorption of an impact, that system comprises a blow molded thermoplastic energy absorbing member. The blow molded thermoplastic energy absorbing member provides opposing first and second walls defining a hollow space; according to one embodiment, a plurality of fused and unfused recessed ribs integrally molded between the first and second walls. The fused recessed ribs have a fused recessed rib end. The fused recessed rib ends are integrally fused to either opposite recessed rib ends or the facing opposite wall at a welded surface such that the height of the recessed ribs from the first wall to the welded surface is about approximately 15.0 to 45.0 mm. The recessed ribs are, according to one embodiment, connected by a plurality of straight interlocking ribs.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: February 20, 2007
    Assignee: Kyoraku Co., Ltd.
    Inventors: Teruo Tamada, Hiroo Inui, Kiyotaka Urakawa, Kenji Ishii, Tadatoshi Tanji
  • Patent number: 7152853
    Abstract: A manually operated implement such as a chain saw, a parting-off grinder or similar device has an internal combustion engine to drive a tool and a handle arrangement to operate the implement. The handle arrangement is connected to the internal combustion engine via a vibration damping system, the vibration damping system comprising at least one anti-vibration element. In order to achieve good vibration damping and sufficient operational rigidity in all operating ranges, in at least one direction of vibration in a predetermined frequency range the anti-vibration element has a first characteristic curve in a first state and a second characteristic curve in a second state and the anti-vibration element can be switched between the first state and the second state.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: December 26, 2006
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Johannes Menzel, Helmut Lux, Marc Schmid, Günter Wolf
  • Patent number: 7144001
    Abstract: The invention relates to a device and a system for damping vibrations, impact and shock where two damping elements (6, 8) are attached to one end of an oblong plate (4) respectively, and connected via a central joining element (7) holding the device exposed to vibrations. The damping elements (6, 8) may be in the form of wire rings.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: December 5, 2006
    Inventor: Olav Kaarstein
  • Patent number: 7131640
    Abstract: An isolator mount for the active dissipation of shocks and vibrations is presented. The invention includes at least one energy dissipating element disposed between deflectable elements so as to provide soft damping for small disturbance excitations, yet remaining sufficiently stiff to mitigate large shocks. The mount transfers mechanical energy to the dissipating element via the device structure. Dissipating element mitigates the energy in shocks and vibrations as either heat or magnetic energy. A snap-together modular embodiment enables the coupling of two or more isolators for use within a wide variety of shock and vibration applications. Quasi-static tuning of one or more mounts comprising a snap-together module facilitates an active response to changing conditions.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: November 7, 2006
    Inventors: Gareth J. Knowles, Bruce Bower
  • Patent number: 7125008
    Abstract: A vibration isolation device including a stationary housing; a movable top plate positioned horizontally above the stationary housing; an airtight flexible member forming an airtight pressure chamber between the movable top plate and the stationary housing; a vibration-free movable base having a mounting plate portion; and a dome-shaped contacting portion, provided between opposed surfaces of the movable top plate and the mounting plate portion. The movable top plate is moved up and down by varying an internal pressure of the airtight pressure chamber. The vibration-free movable base is moved up and down via the dome-shaped contacting portion. The vibration isolation device includes a biasing device, positioned inside the airtight pressure chamber for holding the planar centers of the movable top plate and the mounting plate portion in contact with each other when the internal pressure of the airtight pressure chamber is smaller than a predetermined value.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: October 24, 2006
    Assignee: Fujikura Rubber Ltd.
    Inventors: Akihiro Hayashi, Keiji Tamaki, Masakuni Kainuma
  • Patent number: 7114711
    Abstract: A method for controlling vibrations includes receiving the vibrations from a vibration-generating substructure at at least two vibration diverters and diverting the vibrations away from each of the vibration diverters, using the respective vibration diverters, to a vibration confiner that interconnects the vibration diverters. The vibration diverters can include passive elements, e.g., plates, ribs, notched plates, plates having wells, etc., active elements, e.g., actuators, sensor/actuators, etc., or a combination of passive and active elements. The vibration confiner can include a passive layer damping material for dissipating vibrations.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: October 3, 2006
    Assignee: Quality Research, Development & Consulting, Inc.
    Inventor: Daryoush Allaei