Did You Know...
...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 |
| 8122785 | Rotor balancing system for turbomachinery The present invention relates to an improved rotor balancing system which allows for fine tune onsite adjustment for turbomachinery. The rotor balancing system comprises a rotor element having a row of locating slots and a device for reducing windage effects caused ... | 02/28/2012 |
| 7950280 | Balance ring and method for balancing a rotating component A balance ring for a component (1) rotating about a rotation axis (3), for example a tool holder for a rotating tool or else a machine spindle or the like, is proposed. The balance ring has an annular body (11) which is rotationally symmetrical ... | 05/31/2011 |
| 7430916 | Apparatus for detecting vibrations in a machine tool Provided herein is an apparatus for detecting vibrations in a machine tool having a rotor portion (2) which is provided with tool members (5) and defines an axis of rotation (2a), the apparatus comprising a sensor assembly (3) whic... | 10/07/2008 |
| 7249804 | Wheel balancing weight with half-clip A wheel-balancing weight mounts to a wheel with a flange. The weight has a weighted body and a clip securely attached thereto. The clip has a gripping section and the body has a gripping portion generally opposite the gripping section of the clip. The gripping secti... | 07/31/2007 |
| 7216938 | Wheel weight with body having recess and clip secured therein A wheel-balancing weight mounts to a wheel with a flange. The weight has a weighted body and a clip securely attached thereto. The body defines a recess therein, and the clip has a securing portion formed to be securely positioned within the recess defined in the bo... | 05/15/2007 |
| 6947253 | Method for balancing a rotating assembly using eccentric rings A method for balancing a spindle assembly for compensating for dynamic imbalance of the spindle assembly. The method uses a plurality of adjustable eccentric rings for dynamically balancing the spindle assembly. The plurality of eccentric rings are preassembled with... | 09/20/2005 |
| 6681693 | Image recording apparatus with drum balancing An image recording apparatus for recording an image on a sensitive material mounted on a drum by emitting light beams to the sensitive material. The apparatus includes a cylindrical drum for supporting the sensitive material mounted peripherally thereof, ... | 01/27/2004 |
| 6590960 | Computed tomography apparatus with integrated unbalanced mass detection A computed tomography apparatus has a gantry that is rotatable around a rotational axis and a detector permanently disposed relative to the gantry, for determining an unbalanced mass of the gantry and a calculating unit for calculating the location or loc... | 07/08/2003 |
| 6588298 | Rotor balancing system for turbomachinery The present invention relates to an improved rotor balancing system which allows for fine tune onsite adjustment for turbomachinery. The rotor balancing system comprises a rotor element having a row of locating slots and a device for reducing windage effe... | 07/08/2003 |
| 6553831 | Spring-mounted wheel balancing weight A wheel balancing device mounts to a wheel containing a flange having generally opposing sides. The device comprises a pair of weighted bodies and a spring element connected to and interposed between the pair of weighted bodies. The device is mounted to t... | 04/29/2003 |
| 6370953 | Method for balancing a cylinder, roll or equivalent part with a thin mantle and balanced cylinder, roll or equivalent part with a thin mantle A method and apparatus is disclosed for balancing a cylinder, roll, or equivalent part, with a thin mantle, by which deviations in the circumferential deflection line of the mantle can be compensated in order to correct for dynamic runout. Errors in the c... | 04/16/2002 |
| 6356409 | Balancing apparatus and method for high speed hard disk drive spindles A balancing mechanism for the spindle of a computer hard disk drive uses two, substantially flat wire clips at each end of the disk pack. The clips are designed so that one clip in each pair nests concentrically inside the other clip in the pair. Each cli... | 03/12/2002 |
| 6210099 | Moving-weight, dynamic balancing apparatus for a rotary machine, in particular for industrial fans A moving-weight, dynamic balancing apparatus for a rotary machine, in particular an industrial fan, having a rotary shaft, and at least one rotor carried by the rotary shaft and provided with main rotor bearings to allow rotary movement thereof. The balan... | 04/03/2001 |
| 5813346 | Adaptive drum balancing system An apparatus for dynamically balancing a rotating drum mounted in a fixed frame. The apparatus has at least one balancing set, each balancing set includes two weights, each of the two weights is movable along a circular track attached to the drum and subs... | 09/29/1998 |
| 5767403 | Balanced driveline assembly and method A driveline assembly and method for balancing the driveline. The driveline includes a drive shaft assembled to a rear axle having a flange therebetween. The driveline is measured to determine an imbalance and a weight is added to the flange to balance the... | 06/16/1998 |
| 5676025 | Apparatus for balancing a rotary member An apparatus for balancing a rotary member such as a grinding wheel has at least one balancing weight which is guided movably for varying its position with respect to the axis of rotation of the rotary member. The balancing position of the balancing weigh... | 10/14/1997 |
| 5591909 | Method and device for balancing an unbalance on a motor vehicle wheel A method and device for balancing an unbalance on a motor vehicle wheel, including a tire mounting portion that is provided with a stylized design. Such a wheel can include a supporting disk with openings therein defining radially extending, spaced apart ... | 01/07/1997 |
| 5376063 | Self-balancing apparatus and method for a centrifuge device A self-balancing apparatus for a centrifuge is disclosed which employs two arcuately movable counterweights. The centrifuge has a plurality of receptacles for receiving one or more assay cartridges. Control apparatus in the centrifuge determines the locat... | 12/27/1994 |
| 5207634 | Self-balancing apparatus and method for a centrifuge device A self-balancing apparatus for a centrifuge is disclosed which employs two arcuately movable counterweights. The centrifuge has a plurality of receptacles for receiving one or more assay cartridges. Control apparatus in the centrifuge determines the locat... | 05/04/1993 |
| 5167167 | Rotor trim balancing Rotating machinery construction employing one or more split balance rings within a rotating element the circumferential position of a ring being adjustable through associated casing structure without disassembly of the machinery to permit rebalancing or t... | 12/01/1992 |
| 5007305 | Ring balancer A dynamic ring balancer for a machine shaft, including an annular case fixedly attachable to the shaft with a central aperture sized to receive the shaft therethrough. The case has an annular chamber extending about the case aperture and containing a pair... | 04/16/1991 |
| 4951526 | Ring balancer A dynamic ring balancer for a machine shaft, including an annular case fixedly attachable to the shaft with a central aperture sized to receive the shaft therethrough. The case has an annular chamber extending about the case aperture and containing a pair... | 08/28/1990 |
| 4642886 | Method for balancing wound rotors of electrical machines In a method for the insertion of balancing weights in pockets of an insulating end disc of an electrical machine rotor, only balancing weights of the same weight value are utilized. The balancing weights are distributed over the weight-receiving pockets o... | 02/17/1987 |
| 4300803 | Adhesive vehicle wheel weight and method An adhesively secured balance weight for counter-balancing vehicle wheels possessing a rim flange and a protruding lip to receive the weight composed of a body having a mass of heavy metal and a length greater than the width and thickness. The body includ... | 11/17/1981 |
| 4170903 | Balancing apparatus for blade sets for a cutter An apparatus for balancing of blade sets for a cutter with the blade sets including at least one cutter blade provided with a carrier bore having a hexagonal profile. The cutter blades are provided with at least one clamping set having at least one compen... | 10/16/1979 |
