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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8151954 | Vibration damping apparatus A vibration damping apparatus wherein a mass member is elastically supported by a spring member on a vibrating member to be damped for constituting a secondary vibrating system. The spring member is a metal plate spring with one end being attached to the mass member... | 04/10/2012 |
| 8091695 | Dampening element of a vibration damper and a vibration damper A dampening element for a vibration damper and a vibration damper. The dampening element comprises a body part having flow openings, a dampening part arranged to abut against the body part, the dampening part having openings aligning with the flow openings of the bo... | 01/10/2012 |
| 8066106 | Oscillation damper for hand-held power tool An oscillation damper for a hand-held power tool (D) has at least one first spring (4) and at least one second, additional spring (9) for axially compressively preloading a damping mass (3) of the damper against the tool housing, and a user-oper... | 11/29/2011 |
| 7681701 | Vibration damper, a method of producing a vibration damper and a dampening arrangement for dampening the vibrations of an engine A vibration damper comprising a body part via which the damper can be fastened to the object to be dampened, an oscillating piece movably arranged in the space of the body part and fastened by at least one spring to the body part, the oscillating piece consisting of... | 03/23/2010 |
| 7631736 | Actuator for an active chassis of a motor vehicle An actuator for an active chassis of a motor vehicle is proposed which includes a body spring and a vibration damper, and which incorporates a hydraulic or pneumatic positioning cylinder (3) and a compensation spring (2). The actuator (1) is so ... | 12/15/2009 |
| 7568565 | Device, a system and a method for transferring vibrational energy A nonlinear attachment induces energy to be transferred and/or to be pumped from a primary system or primary structure to the nonlinear attachment. The nonlinear attachment is an essentially nonlinear device and functions as a nonlinear energy sink. The nonlinear at... | 08/04/2009 |
| 7438165 | Torsional vibration damper of a rotating shaft This invention is directed at torsional vibration dampers of a rotating shaft. The dampers of the invention provide self-tuning to dampen harmonics, over a broad range of shaft angular velocities. Where the shaft rotates with an angular velocity about a longitudinal... | 10/21/2008 |
| 7434670 | Support apparatus and method for ceramic matrix composite turbine bucket shroud A shroud support method and apparatus for a ceramic component of a gas turbine having: an outer shroud block having a coupling to a casing of the gas turbine; a spring mass damper attached to the outer shroud block and including a spring biased piston extending thro... | 10/14/2008 |
| 7410039 | Tunable vibration absorption device 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 ... | 08/12/2008 |
| 7370829 | Method and system for controlling helicopter vibrations A method/system for controlling helicopter vibrations is provided that includes a vibration canceling force generator for actively generating a vibration canceling force. The system includes a resonant actuator having a natural resonant frequency and a resonant actu... | 05/13/2008 |
| 7364524 | Driveline coupling for electric module A module with an axle assembly, which has a housing, a differential, an input shaft, a pair of shafts and a pair of wheel hubs, and an auxiliary drive unit that includes an electric motor and an overrunning clutch. The differential and the input shaft are disposed i... | 04/29/2008 |
| 7360616 | Method for controlling and regulating a power train of a hybrid vehicle and power train of a hybrid vehicle A method for controlling and regulating a power train of a hybrid vehicle and a power train of a hybrid vehicle having one internal combustion engine, one electric machine, one shifting element and one output in a power flow of the power train and designed with cont... | 04/22/2008 |
| 7359200 | Fastener with snap-on feature, heat dissipation assembly for central processing unit and method of using the same A fastener for mounting a heat dissipation module on a central processing unit, includes a shank having opposite upper and lower ends and a head at the upper end of the shank. The shank includes a first portion located between the upper and lower ends, and adapted t... | 04/15/2008 |
| 7357380 | Anti-vibration element In order to reduce the formation of inherent vibrations in the coil spring in an anti-vibration element, in particular for a manually operated tool such as a chainsaw, a parting-off grinder or similar device and having a coil spring, an additional mass is positioned... | 04/15/2008 |
| 7334338 | Reciprocatory dry shaver A reciprocatory dry shaver has a shaving head carrying an outer cutter, and an inner cutter. An actuator is mounted in the shaving head for driving the inner cutter. The actuator includes an oscillator which carries a joint for driving connection to the inner cutter... | 02/26/2008 |
| 7322569 | Linear drive for vibratory apparatus 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... | 01/29/2008 |
| 7320389 | Three-axis offset damping system The present invention comprises a three-axis damping system employing dampers and springs in spatially oriented arrays to isolate an object against translational forces in any direction as well as rotational forces. The inventive system also is biased in the vertica... | 01/22/2008 |
| 7312991 | Electronic apparatus having a vibration absorber An optical access apparatus is provided. The optical access apparatus includes a mounting plate, characterized in that the mounting plate has a bent portion acting as a balance plate of the optical access apparatus. ... | 12/25/2007 |
| 7290644 | Vibration absorber with dynamic damper In an engine mount (A) whose axis (X) is oriented in the front to rear direction of a vehicle, a damper weight (12) is embedded within a toroidal stopper rubber (10) fixed at its inner periphery to the rear end of an inner cylinder (2). The damp... | 11/06/2007 |
| 7287611 | In-wheel motor system An in-wheel motor system, wherein the rotating side case 3b of an in-wheel motor 3 is connected to a wheel 2 by a flexible coupling 10 comprising a plurality of hollow disk-like plates 11A to 11C and direct-acting gui... | 10/30/2007 |
| 7284527 | Tuned vibration absorber 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 moun... | 10/23/2007 |
| 7285956 | Nuclear magnetic resonance device A nuclear magnetic resonance apparatus includes a nuclear magnetic resonance device for elucidating atomic configuration and molecular structure of a substance based on a decay signal of induced electromotive force caused by resonance precession of nuclear magnetic ... | 10/23/2007 |
| 7280947 | Gear-driving-system designing system Featured are a system and method for designing a gear driving system. The designing system includes a characteristic setting section, calculating section and comparing section. The calculating section simulates an oscillation that is caused in the final gear of the ... | 10/09/2007 |
| 7278820 | Ring seal system with reduced cooling requirements Aspects of the invention are directed to systems for reducing the cooling requirements of a ring seal in a turbine engine. In one embodiment, the ring seal can be made of a ceramic material, such as a ceramic matrix composite. The ceramic ring seal can be connected ... | 10/09/2007 |
| 7257949 | Stirling engine Through stroke control whereby the stroke of a piston is detected and controlled to be equal to a target stroke, the piston is prevented from colliding with a displacer, and the refrigerating performance of a Stirling refrigerator is enhanced. Different target strok... | 08/21/2007 |
| 7243895 | Damping and mounting structure for a motor A damping and mounting structure for a motor includes a bracket to which a motor is mounted, the bracket being provided with a plurality of through-holes; a housing having a driven element which is driven by the motor on the bracket; a plurality of threaded holes an... | 07/17/2007 |
| 7234379 | Device and a method for preventing or reducing vibrations in a cutting tool An arrangement for reducing vibrations in a tool holder (4) with a cutting tool (3) and has a vibration sensor on the tool holder (4) that is connected to a guide unit (11). The tool holder (4) has further two piezo-electric actuat... | 06/26/2007 |
| 7222704 | Damping of vibrations 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 ... | 05/29/2007 |
| 7225062 | Device for indicating the vibration level of a vehicle A device for indicating at least a first vibration level VIB1 derived from a first acceleration signal γ1 includes: first analysis element FT1 for resolving the first acceleration signal γ1 into a plur... | 05/29/2007 |
| 7217221 | Method for active engine stop of a hybrid electric vehicle A method for providing an active engine stop of the engine of a hybrid electric vehicle. The method utilizes the electric machine to oppose and rapidly stop the rotation of the engine at a controlled rate. The method includes the calculation of an input speed reduct... | 05/15/2007 |
| 7198141 | Shock absorbing apparatus in a positioning apparatus A shock absorbing apparatus in a positioning apparatus including a stage apparatus is disclosed. The positioning apparatus includes a main body apparatus for mounting the stage apparatus thereto, and a chamber for maintaining a region, in which the stage apparatus i... | 04/03/2007 |
| 7165744 | Turbine engine arrangements A fan turbine engine arrangement is provided in which a core engine is aligned such that an input of a nacelle is aligned with the upwash of a wing to which the arrangement is secured. The engine drives a fan such that bypass flows produced by the fan are guided by ... | 01/23/2007 |
| 7165761 | Fluid filled active vibration damping device A fluid filled active vibration damping device wherein a first and a second mounting member are coupled by a rubber elastic body, thereby forming a pressure receiving chamber defined at one part by the rubber elastic body, with a non-compressible fluid sealed therei... | 01/23/2007 |
| 7155903 | Buffer washer member and vibration and heat insulating board having the same A collar member including a main body part having a bolt hole for inserting a bolt and a flange part projecting horizontally to outside from the upper end of the main body part, a fitting member being a member for fitting with a vibration and heat insulating board m... | 01/02/2007 |
| 7136678 | Vibrating portable electronic device, method of vibrating a portable electronic device and method of messaging by vibrating a portable electronic device A portable vibrating device has two electrical motors each having an axle and a weight element coupled to the axle. The axles couple the electrical motors to the weight elements. The weight elements form a weight unit having a total mass m and having a mass center w... | 11/14/2006 |
| 7128677 | Transmission arrangements for hybrid electric vehicles A geared, power transmission mechanism for a hybrid electric vehicle wherein multiple power flow paths are established between an engine and vehicle traction wheels and between an electric motor and the vehicle traction wheels. At least one of the power flow paths i... | 10/31/2006 |
| 7117983 | Support apparatus and method for ceramic matrix composite turbine bucket shroud A shroud support apparatus for a ceramic component of a gas turbine having: an outer shroud block having a coupling to a casing of the gas turbine; a spring mass damper attached to the outer shroud block and including a spring biased piston extending through said ou... | 10/10/2006 |
| 7105939 | Electrical generator having an oscillator containing a freely moving internal element to improve generator effectiveness An apparatus and method for providing electrical energy to an electrical device by deriving the electrical energy from motion of the device. In one embodiment, the inventive apparatus includes a novel kinetic electrical power generator (KEPG) consisting of an invent... | 09/12/2006 |
| 7104372 | Damping structure and applications A damping structure includes a member defining an internal cavity; an aggregate which includes at least solid bodies in contact and which completely fills the internal cavity; a rigid plate for closing off the internal cavity; and an elastic element which exerts ela... | 09/12/2006 |
| 7102474 | Adaptable vibration absorber employing a magnetorheological elastomer with variable gap length and methods and systems therefor The inventions include an adaptive vibration absorber (AVA) and variation thereof including variations in methods and systems of usage. An exemplary AVA may operate adaptively over an appropriate relatively wide bandwidth or frequency range in vibration absorption w... | 09/05/2006 |
