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8146457 |
Disk pendulum vibration damper
An apparatus for damping torsional vibration in a shaft, having a plurality of retainer pockets spaced from each other in the direction of the shaft's axis of rotation and connected for...
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7882765 |
Balancing assembly
A balancing assembly for a rotor comprises a mass, a displacement arrangement for displacing the mass along a guide arrangement. The guide arrangement extends circumferentially and the displacement...
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7717013 |
Rotating machine active balancer and method of dynamically balancing a rotating machine shaft with torsional vibrations
An active balancer for dynamically balancing a rotating machine is provided. The active balancer has a balancer body which rotates with the rotating machine and at least one controllable position...
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7673535 |
Gearwheel set for a transmission
In a gearwheel set for a transmission, in particular for a transmission with a PTO (Power Take-Off) accessory, at least two gearwheels (6, 10) bearing against one another, and the gearwheels (6,...
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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....
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7232017 |
Pole vibration damping assembly and method
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...
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7159952 |
Automatic balancing device
An automatic balancing device for a rotatable system includes a track (18) arranged about a rotational axis (H) of the rotatable system and having two surfaces (22a, 22b) inclined toward each other...
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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...
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7044022 |
Variable inertia flywheel apparatus
In a flywheel having variable inertia, first and second guide grooves are respectively formed at a body and a rotatable member such that an overlapping position thereof is varied according to a...
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7004294 |
Vibration absorber assembly
A vibration absorber assembly including a disc shaped housing having a central rotational axis and a plurality of radially elongated cavities, and a plurality of movable masses, each movable mass...
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6742412 |
Drive system
A drive system that includes a drive shaft, which is or can be brought into torque-transmitting connection with a drive train, a secondary drive system for transmitting torque between the drive...
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6694844 |
Apparatus to recover energy through gravitational force
A gravity apparatus having a wheel-like, connected, encircling surface, includes an axially horizontal track which has an interior surface which weighted objects contact and are carried around the...
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6520047 |
Vibration damping device
A vibration damping device for a motor vehicle drive system includes a base body rotatable about an axis of rotation and a deflection mass arrangement having at least one deflection mass and a...
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6427656 |
Internal combustion engine including a means of reducing cyclic disturbances for low-speed running
The invention relates to an internal combustion engine, the crankshaft (1) of which is equipped with a pulley or flywheel (4) secured to it by fastening means, in which said flywheel (4) is...
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6382164 |
Vibration damper for the crankshaft of a piston engine
The crankshaft of a piston engine is assembled with a vibration damper into a discrete module prior to mounting of such module in axial and/or radial bearings of the housing of the engine. The...
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6238293 |
Torsional vibration damper with guide paths for coupling elements
A torsional vibration damper has a drive-side damper element and a driven-side damper element which is rotatable relative to the drive-side element against the action of a damping device, wherein...
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6062103 |
Motor vehicle double damping flywheel, comprising improved means for friction damping of vibrations
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6029539 |
Twin mass flywheel
A twin flywheel (210) comprising first (211) and second (212) co-axially arranged flywheel masses which are mounted for limited angular rotation relative to each other. The flywheel masses (211,...
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6012355 |
Torsional vibration damper with a coupling device
A torsional vibration damper having a plurality of transmission elements which are rotatable relative to one another about a common axis of rotation. A movement which is conducted to one of the...
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5988015 |
Drive devices
A device for driving a piece of equipment from a driving shaft has a torsional vibration damper and comprises a primary element for connection to the driving shaft and a secondary element for...
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5970820 |
Series linkage auto-balance rotor hub
A self-contained automatic balancing device or system for use with machines in which a load mass (such as a flywheel or bobbin) is attached to and rotates with a rotating shaft or rotor, and in...
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5934654 |
Torsion damping device
A double damping flywheel for a motor vehicle, comprising two coaxial masses mounted movably in relation to one another in opposition to a resilient member and a friction member (51-55). A bearing...
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5619887 |
Camshaft tuned vibration damper
A dry tuned damper (10) for mounting on an outboard end of a camshaft (C), the damper (10) having an annular housing (12) defined by inner and outer annular walls (14, 16) and an end wall (18)...
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5579665 |
Torsional absorber for camshaft sprockets
A vibration damper assembly to absorb vibrations in a camshaft and sprocket system has a sprocket positioned around a camshaft, an inertia ring positioned around the camshaft and adjacent the...
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5560267 |
Camshaft vibration damper
A camshaft vibration damper comprises an inertia ring having a friction clutch surface disposed in driving contact with a complementary clutch surface and a spring for biasing the clutch surfaces...
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5520271 |
System for minimizing vibrations of crankshaft
A driver disc has a series of pockets spaced along a circle about an axis of rotation thereof and inertia weights positioned and arranged to roll in the respective pockets. The driver disc is...
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5413535 |
Apparatus for damping vibrations
Vibrations of the camshaft or crankshaft of a combustion engine are damped between a composite pulley which receives torque from the engine and one or more sheaves which are driven by an endless...
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5386894 |
Vibration damping device
In a vibration-damping device, viscoelastic material which dissipates vibration energy is bonded to a supporting member so as to form a removable unitary assembly which can be coupled to the...
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5341780 |
Device to suppress firing impulse torque induced vibrations in internal combustion engines
A device is set forth to suppress vibrations relating to intermittent or uneven piston firing impulse torque in an internal combustion engine. The device is particularly adapted as an after market...
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5323665 |
Starting vibration damped flexplate flywheel
A flexplate flywheel has an annular damper ring welded directly to the associated ring gear to substantially reduce starter associated vibrations and the level of sound perceived by the driver of...
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5247853 |
Flywheel
A flywheel for a stationary exercise machine having a frictional resistance strap is formed of heat-sensitive plastic, and includes a band of heat-dissipating material disposed about the periphery...
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5127286 |
Adjustment device for seats
An adjustment device for seats, particularly motor vehicle seats, having a transmission, particularly a planetary gear transmission, and further including a drive shaft (2) which can be rotated by...
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4973868 |
Electrical machine with permanent magnet excitation
Contained in an electrical machine with a field excited by permanent magnets, on the rotor, are pole bodies that extend in ring fashion and coaxially with the rotor shaft, forming between stator...
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4962677 |
Harmonic balancer
A torsional vibration damper used to dampen harmonic vibration frequencies set up in crank shafts of reciprocating internal combustion engines, the balancer having a hub section (14) to be fitted...
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4803893 |
High speed rotor balance system
A balance system for a high speed bladed rotor includes a collar (28) with an inwardly facing groove (30). Balance weights (36) are located in the groove with a cover plate (44) retaining the...
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4776442 |
Flywheel slip clutch
A flywheel slip clutch is provided for use with implements such as agricultural balers. The flywheel slip clutch includes a plate mounted on a hub which is fixed to rotate with the input drive...
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4663982 |
Governor device for printer
In a governor device for a printer including a driving wheel rotating for a predetermined amount by means of urging force by a urging spring to feed paper and engaging with a stopper to stop at...
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4492131 |
Flywheel
A flywheel including a bearing unit, a flywheel mass provided with at least two partial masses, and separate connecting means each connecting the bearing unit with a respective one of the at least...
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4370900 |
Torsional oscillation damper for combustion-engine crankshaft
A torsional oscillation damper for a combustion-engine crankshaft has a relatively light annular disk and a rigid abutment disk which are both centered on and rotatable about an axis. These two...
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4317388 |
Gear wheel with vibration damping rings
A gear wheel is provided with a split damping ring on each side having a close fit with the inside of the rim of the gear wheel. The rings are anchored at points remote from their split ends to the...
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4312247 |
Vibration reducing mount system
A vibration reducing mount system for supporting a rotary machine symmetrically about its center of rotation. The mount system comprises an annular ring bonded between two annular plates. One of...
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4305264 |
Device for damping vibrations of a drilling tube
A device for damping vibrations of a drilling tube by the slip between the ube and a fly-wheel which surrounds the tube and is frictionally connected to the tube by a slotted sleeve which is...
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4262553 |
Torsional vibration damper
A torsional vibration damper of the type having a hub which carries an outer inertia ring coupled thereto by an elastomer. Supplemental damping is added to the system via the use of dry friction. A...
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4181038 |
Device for damping vibrations in rotors of turbomachines
Device for damping vibrations in a rotating turbomachine rotor is formed of an assembly of a plurality of centrally apertured rotor discs force-lockingly clamped together by a tie-rod passing...
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4171147 |
Flywheel for a construction machine
A construction machine is provided with a flywheel having a torque limiter which permits the flywheel to slip when a rotationally driven cutting tool of the machine is halted. The torque limiter is...
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4145936 |
Vibration absorbers
A vibration absorber includes a hub arranged for rotation during operation about an aixs, a mass encircling the hub and a plurality of resilient arms extending in a spaced-apart spiral pattern...
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4044628 |
Torsional damper
A torsional damper for reducing the vibrations produced when a shaft is driven by the intermittent application of a discontinuous force thereto, e.g. the crankshaft of an internal combustion...
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3866977 |
SUPPRESSION OF VIBRATION IN ROTATING DISCS
A disc or like body for rotation about an axis has a plurality of vibration prevention beams fixed thereon in diametrally opposed pairs extending radially inward of the peripheral edge of the disc...
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3782506 |
MECHANICAL MOTION RETARDING MEANS
Inertial retardation of mechanical motion is obtained by coupling an inertia element, which is relatively massive, to a mechanical load device, by a unidirectional coupling means, arranged so that...
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3774473 |
VIBRATION DAMPENER
A vibration dampener for use on rotors such as brake discs during machining operations is an elastomeric band having a plurality of lead buttons mounted thereon and a fastener at one end for...
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