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| Number | Title | Issue Date |
| 7654138 | Method and device for dynamically measuring the unbalance of a rotor Dynamically measuring the unbalance of a rotor arranged in a device housing (1) and rotating at high angular velocity, wherein the rotor is supported in a separate bearing housing (14), involves the following steps: fastening the bearing housing (14... | 02/02/2010 |
| 7360420 | Method and bearing for balancing rotors without journals In order to be able to determine the imbalance of rotors (2) with pocket hole bores with great precision in a bearing arrangement with a bearing mandrel (5) for holding a rotor (2), without journals but having a bore (6), in a balancing d... | 04/22/2008 |
| 7311003 | Method and device for balancing journal-less rotors In the case of a bearing with a bearing mandrel for mounting a journal-less rotor with a bore hole in a balancing device, in which the bearing mandrel has openings for fluid to pass through, to be able to determine the imbalance of rotors with bearing possibilities ... | 12/25/2007 |
| 7234350 | Unbalance measuring apparatus A bearing 41 of a support portion 4 for rotatably supporting a shaft 11 of a rotating body 10 to be measured with respect to the magnitude of unbalance thereof is formed into a hollow U-shape and has formed therein an injection port 41... | 06/26/2007 |
| 7040867 | Compressor wheel joint An exemplary compressor wheel includes a proximate end, a distal end, an axis of rotation, a z-plane positioned between the proximate end and the distal end, and a joint having an axis coincident with the axis of rotation and an end surface positioned between the z-... | 05/09/2006 |
| 7002147 | Highly sensitive vacuum ion pump current measurement system A vacuum system comprising: 1) an ion pump; 2) power supply; 3) a high voltage DC—DC converter drawing power from the power supply and powering the vacuum pump; 4) a feedback network comprising an ammeter circuit including an operational amplifier and a series of ... | 02/21/2006 |
| 6840105 | Method and apparatus for balancing a vehicle driveshaft The present invention provides a method and apparatus for balancing vehicle driveshafts. One embodiment of a method according to the present invention comprises analyzing a driveshaft and determining a balancing vector to counter any imbalance in the driveshaft. A d... | 01/11/2005 |
| 6823732 | Balancing machine Balancing machine comprising a shell or frame (3) suspension-mounted on a bed (2) via elastic supports, a shaft (8) rotatably supported by said frame at two points spaced a predetermined distance apart and having that end emerging from the bed p... | 11/30/2004 |
| 6779400 | Method and apparatus for determining the unbalance of a rotating body An apparatus for determining the unbalance of a rotational body includes a central mounting plate with a mounting fixture on which the rotational body is received, an outer frame, and a plurality of supporting webs that connect the mounting plate to the frame. The w... | 08/24/2004 |
| 6666087 | Unbalanced force sensing apparatus An unbalanced force sensing apparatus for sensing an unbalanced force produced due to rotation of a cylindrical rotor, the apparatus including a shaft having gas passageways to convey a first gas against the inner surface of the rotor to support the rotor... | 12/23/2003 |
| 6430992 | Device for measuring the forces generated by a rotor Imbalance A device for measuring forces generated by unbalance of a rotor, in particular a motor vehicle wheel, includes a stationary frame, an intermediate frame positioned radially within the stationary frame, and first levers supporting the intermediate frame on... | 08/13/2002 |
| 6354151 | Machine for pre-adjusting and balancing a tool-holder A machine for pre-adjusting and balancing a tool-holder, includes a support frame provided with a single rotary tool spindle, a column supporting a dimension-measuring arm, a console displaying the measurements and a protective hood preventing access to a... | 03/12/2002 |
| 6308566 | Apparatus for measuring uniformity and/or dynamic-balance of tire A measuring apparatus for the uniformity and/or the dynamic-balance of a tire is disclosed. The apparatus comprises a supporting member which is rotated with supporting a tested tire, a holding member which holds said supporting member with allowing to vi... | 10/30/2001 |
| 6131455 | Apparatus for measuring uniformity and/or dynamic-balance of tire A measuring apparatus for the uniformity and the dynamic-balance of a tire is disclosed. The apparatus comprises a supporting member which is rotated with supporting a tested tire, a holding member which holds said supporting member with allowing to vibra... | 10/17/2000 |
| 5763777 | Conical tool holder for precision balancer A machine for determining dynamically a residual unbalance in a workpiece having a conical surface is provided with a plurality of support elements, such as roller elements, that communicate with the workpiece at the conical surface thereof. The roller el... | 06/09/1998 |
| 5600062 | Apparatus for measuring unbalance on a rotary member An apparatus for unbalance measurement on a rotary member comprising a rotary mounting device for the rotary member and an oscillatable support for the rotary mounting device for supporting same on the foundation of the apparatus. A force and/or oscillati... | 02/04/1997 |
| 5576490 | Modular rotary element processor A rotary element dynamic imbalance determining apparatus includes a spindle having a first end for removably supporting a rotary element the imbalance of which is to be determined, and a housing for rotatably mounting the spindle. An output signal related... | 11/19/1996 |
| 5419193 | Wheel balancer in which a sub-housing carrying a main shaft is pivotal from a horizontal to a vertical position for aligning a wheel on the main shaft A wheel balancer comprises a main housing which supports a sub-housing. A main shaft to which a wheel to be balanced is coupled is rotatable in the sub-housing. The sub-housing is pivotally connected to the main housing by a pivot shaft which defines a ho... | 05/30/1995 |
| 5383361 | Wheel balance measuring apparatus A wheel balance measuring apparatus includes a frame, a hollow rim support shaft rotatably supported by the frame through a bearing, a lower rim mounted on the hollow rim support shaft, and an upper rim positioning above and confronting with the lower rim... | 01/24/1995 |
| 5355728 | Tire balance measuring machine for various tire sizes A balancing station includes a vertical spindle having a collet for frictionally engaging the center hole of a wheel. A motor driven drum is mounted on an arm which is moved by an actuator to urge the drum against the wheel with a radial force so that it ... | 10/18/1994 |
| 5353640 | Air-jet driven dynamic balance test apparatus An air-jet driven dynamic balance test apparatus for testing the dynamic balance of minrotors with minimum interference from external vibration noise. The dynamic balance test apparatus comprise a resilient supporting steel sheet having a horizontal botto... | 10/11/1994 |
| 5067349 | Method and apparatus for balancing rotating components A method and apparatus for dynamically balancing a rotating component, such as a compressor wheel, without using an arbor is disclosed. A balancing fixture includes a nest for receiving the compressor wheel and is defined by a balancing surface on the bal... | 11/26/1991 |
| 5033302 | Rotary balancing machine mounting assembly with integral calibration device A mounting stand in a balancing machine mounting assembly includes a stationary mounting block and a mount for a rotary member to be balanced. The mount is supported on the mounting block by two parallel springs capable of oscillating movement in a mounti... | 07/23/1991 |
| 4970895 | System and method for the determination of certain physical characteristics of sheet materials. A sensor is disclosed for sensing a physical property of a sheet material. The sensor includes a mechanism for supporting one side of the sheet along the periphery of a defined region and a mechanism for forcibly deflecting the sheet into the unsupported ... | 11/20/1990 |
| 4918985 | Dynamic balancing system overcoming aerodynamic forces A dynamic balancing system has a chamber (21) which surrounds a rotating object (3) which is equipped with protruding objects and which chamber rotates around the same shaft in order to move the air (20) surrounding the object (3) and to reduce the aerody... | 04/24/1990 |
| 4905515 | Bar spring support for a rotor shaft housing in an oscillation measuring device A device for measuring rotor imbalance of a rotor is disclosed. The rotor shaft housing support for the shaft for a rotor to be balanced in a machine includes two pairs of springs disposed in two parallel planes. Each pair of springs consists of two paral... | 03/06/1990 |
| 4803882 | Unbalance measuring station and method for unbalance measurement An unbalance measuring station (1) is disclosed toward which a rotor to be balanced is carried by a transport system (7). The station (1) contains an unbalance measurement unit (10) as well as devices (11, 12) for loading the rotor (6) into the unbalance ... | 02/14/1989 |
| 4532803 | Non-spinning dynamic balancing machine and method Balancing an object with an irregular shape capable of generating substantial aerodynamic forces may be accomplished at atmospheric pressure by angularly oscillating the object about a vertical axis, measuring the horizontal reaction torques and forces, a... | 08/06/1985 |
| 4500867 | Joystick controller using magnetosensitive elements with bias magnets A joystick controller of the electrically non-contact type is provided with a pair of magnetosensitive elements having a magnetresistive effect. The magnetosensitive elements are placed fixedly on a stator member in a given relation at right angles to det... | 02/19/1985 |
| 4449407 | Drive shaft mounting assembly for dynamic wheel balancing machine A drive shaft mounting assembly for dynamic wheel balancing machines includes force sensors supporting bearings at axially spaced positions of the shaft. The assembly further includes rods extending between the bearings in a manner absorbing the forces of... | 05/22/1984 |
| 4381670 | Support system for hard bearing balancing machines The invention relates to a support system for hard bearing balancing machines for the support of rotational bodies for measuring the effects of imbalance on a mounting plate for the bodies by pickups.... | 05/03/1983 |
| 4233846 | Method and apparatus for measuring the imbalance of a bowling ball An apparatus for measuring the imbalance of a bowling ball includes a base, a first gimbal rotatably mounted on the base and a second gimbal rotatably mounted on the first. A ball is supported by the second gimbal and spun while having the same orientatio... | 11/18/1980 |
| 4174627 | Test stand for an internal combustion engine testing system A test stand for an internal combustion engine testing system is disclosed. The test stand permits the engine to substantially freely vibrate such that engine imbalance can be measured. The test stand includes a cradle and a support assembly, having a hou... | 11/20/1979 |
| 4094198 | Machine for balancing a body of revolution The machine comprises a shaft mounted in a housing to rotate about a horizontal axis and arranged to carry the body of revolution in a concentric position. The shaft is also capable of oscillating in the housing about a vertical axis intersecting the hori... | 06/13/1978 |
