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| Number | Title | Issue Date |
| 8006589 | Engine flywheel In a flywheel in which narrow portions to be engaged with a coil spring included in the flywheel are formed of recessed portions made by recessing the surface of a flywheel cover, the portions of a sensor plate welded to the front cover, which confront with the rece... | 08/30/2011 |
| 7513176 | Flywheel device for prime mover A flywheel device for a prime mover, which enables stable transmission of torque from a prime mover to a driven shaft, and can be formed compact in size. A first flywheel is provided on the crankshaft of an internal combustion engine. A second flywheel has a frictio... | 04/07/2009 |
| 7481132 | Torsional vibration damper A torsional vibration damper with at least two parts that are rotatable about an axis and can turn relative to each other against the opposition of at least one coil spring. Support shoes are provided between the spring and an outer wall of the damper structure and ... | 01/27/2009 |
| 7284460 | Balancer A weight 4 which is held by a weight holder 3 in a balancer has a pressing face 4b′ which is pressed against a guide face 12a provided along the circumferential direction of rotation of the weight holder 3 by centri... | 10/23/2007 |
| 7152565 | Vibration prevention structure in engine In an engine having a propeller mounted on one end of a crankshaft, the vibrations on an end portion of the crankshaft opposite to the propeller are effectively suppressed with a pair of vibration pendulum type weights arranged outside the crankcase whereby it is po... | 12/26/2006 |
| 5533422 | System for absorbing torsional and/or bending vibrations A system for absorbing bending vibration in a shaft which is drivingly rotated about an axis and wherein the shaft is exposed to bending disturbances utilizes a body attachable to the shaft for rotating therewith as the shaft rotates about its axis of rot... | 07/09/1996 |
| 5275140 | Speed governor for fuel injection pumps of internal combustion engines A speed governor for fuel injection pumps of internal combustion engines in which part of an oscillation damper member, in the form of a capsule, is disposed between a drive shaft and a flyweight adjuster; two claws of a support that receives the flyweigh... | 01/04/1994 |
| 5272937 | Active inertia torque absorbing system A camshaft in an internal combustion engine encounters various torques during operation which produce torsional vibrations leading to excessive noise and reduced gear life. An active inertia absorbing system includes a camshaft gear integrally formed with... | 12/28/1993 |
| 5156058 | Method and apparatus for converting rotary motion to lineal motion An apparatus and method of orbiting a first mass unit alternately about spaced centers of rotation with the orbit around each of the spaced centers of rotation extending for approximately one-half of a complete circle, orbiting a second mass unit side-by-... | 10/20/1992 |
| 5154554 | Balancer attachment of the main spindle of a machining apparatus Disclosed is a balancer attachment for the spindle of a machining apparatus using two primary and secondary balancers operatively coupled so as to allow the primary balancers to take major part in balancing while an associated tool traverses a short dista... | 10/13/1992 |
| 5085088 | Drive train energy A drive train energy system is provided for a motor vehicle of the type having a drive shaft which rotates a drive shaft pinion that is transversely engaged with a differential crown wheel which operates a rear axle and a pair of wheels. The drive train e... | 02/04/1992 |
| 4811625 | Energy conservator An energy conserving flywheel having a plurality of weights mounted on the periphery thereof. A wheel mounted to an axle is rotatable therewith. A plurality of lift arms are rotatably mounted by clutches at the circumference of the wheel and rotate only i... | 03/14/1989 |
| 4791829 | Flywheel with dynamic damper A flywheel with a dynamic damper which has an elastic member having a rectangular cross sectional shape and made of an elastic material which can dampen all the vibrations transmitted from a crank shaft to the flywheel. The dynamic damper is fixed to an e... | 12/20/1988 |
| 4739679 | Bifilar pendulum vibration damper for automotive installation A bifilar type pendulum automotive engine vibrational damper has at least one pendulum with an inner curved cam follower surface that is alternately engaged and disengaged from a pin type cam fixed on the pendulum carrier during low engine crankshaft oper... | 04/26/1988 |
| 4140028 | Vibration isolation system A vibration isolation system wherein a vibrating mass such as a helicopter rotor-transmission assembly is spring coupled to a body to be isolated, such as the helicopter fuselage, at a plurality of coupling locations. Each coupling location includes a wei... | 02/20/1979 |
| 4126066 | Brake lathe harmonic damper A damper for use with work arbors supported at only one end is disclosed which acts to reduce harmonic vibration and chatter as the arbor rotates and a cutting tool operates on the workpiece. The damper consists of a damping collar, with an interior radiu... | 11/21/1978 |
| 4070922 | Rotor balancing devices The rotor balancing device disclosed herein comprises a cylindrical cup-shaped housing for mounting in a hollow rotor to be balanced having a central pivot on which two bushes are mounted. Two bob weights are connected by tension springs or other restrain... | 01/31/1978 |
| 4050317 | Centrifugal weights orienting system The centrifuging weights orienting system comprises: a rotating flywheel provided therein with two centrifuging weights rotatable about a common axis. This axis is anchored at its ends to the flywheel and intersects at right angles with the axis of flywhe... | 09/27/1977 |
| 3988935 | Dynamic balancer for spinning bodies A spin-stabilized body having deployable solar panels or appendages is modified by making the deployment mechanism capable of partial retraction and extension from the normal deployed position on an individually commandable bais. The spin axis of a free s... | 11/02/1976 |
