Stroboscopically Illuminated Patents (Class 73/466)
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Patent number: 11300471Abstract: A balancing device is provided, including acquisition device adapted to detect vibratory stresses generated by the rotating body during rotation, in which the acquisition device are configured to allow the detection of vibratory stresses along at least two mutually non intersecting acquisition directions.Type: GrantFiled: October 2, 2019Date of Patent: April 12, 2022Assignee: BALANCE SYSTEMS S.R.L.Inventor: Gianni Trionfetti
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Patent number: 10775229Abstract: This disclosure relates generally to an optical strobing based multi-frequency vibration measurement, and more particularly to systems and methods for autonomous stroboscopic machine inspection for multi-point and multi-frequency vibration measurement. Embodiments of the present disclosure provide for an optical strobing based multi-frequency vibration measurement by selecting a strobe frequency, obtaining one or more image frames, obtaining a marker position, calculating a fast fourier transformation, obtaining one or more peak prominent frequencies, obtaining a product set of the one or more peak prominent frequencies, optimizing the strobing frequency where the value of the product set of the one or more peak prominent frequencies is not equal to an optimum pre-defined system value and detecting and measuring a plurality of vibrations of multiple frequencies by applying a chinese remainder theorem on the product set and the strobe frequency set.Type: GrantFiled: March 15, 2018Date of Patent: September 15, 2020Assignee: Tata Consultancy Services LimitedInventors: Sushovan Mukherjee, Dibyendu Roy, Tapas Chakravarty, Arpan Pal
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Patent number: 10737883Abstract: Methods and systems are provided for a conveyor system. In one example, a system may include a drive carriage comprising a plurality of magnets configured to magnetically couple to a conveyor pan. The plurality of magnets may be configured to maintain the conveyor pan in a fully locked position as the drive carriage actuates the conveyor pan.Type: GrantFiled: February 6, 2019Date of Patent: August 11, 2020Assignee: PPM TECHNOLOGIES HOLDINGS, LLCInventors: Devin Ray Reeser, Eric Jason Doern
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Patent number: 10520129Abstract: A machine body for a wheel servicing apparatus includes a casing and a display support unit configured to support a display unit, such as a touchscreen unit, that is connectable with a processing unit of the wheel servicing apparatus. The display support unit is movably arranged at the casing to provide a first position in which a display front surface of the display unit attachable to the display support unit is visible to a user, and a second position in which a display front surface of the display unit attachable to the display support unit is shielded from the outside such that the display front surface is not visible to the user.Type: GrantFiled: July 5, 2016Date of Patent: December 31, 2019Assignee: SNAP-ON EQUIPMENT SRL A UNICO SOCIOInventor: Paolo Sotgiu
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Patent number: 10267224Abstract: A set of mechanisms, for use with an internal combustion test engine, for testing cylinder offset during operation of the engine. The test engine specifics may vary, but it is assumed to have a crankcase base that supports a cylinder barrel and cylinder head. During engine operation, a transit plate is secured to the top surface of the crankshaft base, and a pair of wedge plates is secured between the transit plate and the bottom of the cylinder barrel. When the engine is not in operation, the transit plate can be slid in a direction normal to the crankshaft axis (for cylinder offset adjustment), and the wedge plates can be moved relative to each other (for cylinder height adjustment).Type: GrantFiled: October 11, 2015Date of Patent: April 23, 2019Assignee: SOUTHWEST RESEARCH INSTITUTEInventors: Riccardo Meldolesi, Roy Granville
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Publication number: 20100139398Abstract: The balancing machine for balancing vehicle wheels comprises a base frame supporting a balancing shaft for balancing a vehicle wheel and illumination means for illuminating the wheel which comprise a plurality of light sources arranged substantially around the balancing shaft.Type: ApplicationFiled: September 11, 2009Publication date: June 10, 2010Inventor: Marco Matteucci
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Patent number: 7682272Abstract: Disclosed herein is a driving device of armature balance machine, in which a driving motor is formed on the same centerline of the armature, a hinge block pivot-connected by the hinge shaft is installed in the finger mounter of the bracket in such a manner that the hinge shaft is disposed on the same centerline of the driving motor and the variable roller is formed at one side of the hinge shaft, the finger provided with a complementary roller is symmetrically constructed about the centerline of the driving motor, and thereafter a belt is wound around each roller, so that the construction of the driving motor can be simplified and thus the length of the belt is minimized and the vibration of the belt is minimized, thereby enabling to keep the tension applied to the belt in an optimum state, due to the facts that the tension of the belt is symmetrical about the centerline of the belt and also the variable roller i.e. the tension adjusting means is not operated by the belt.Type: GrantFiled: November 5, 2004Date of Patent: March 23, 2010Inventor: Kye Jung Park
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Patent number: 7370529Abstract: A method of balancing a movable rotating object having multiple radial projections, such as a ceiling fan, the method comprising the steps of: attaching to a non-rotating portion of the object a source that emits a focused light, directing the focused light at a target, and then attaching a weight to a location on one of the rotating projections. Then observing the orbit traced by the light source on the target, changing the location of the weight to another location on one of the radial projections, and then observing the change in the orbit on the target.Type: GrantFiled: August 17, 2005Date of Patent: May 13, 2008Inventor: Michael A. Lenz
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Patent number: 6412345Abstract: One aspect of the present invention is therefore a method for balancing a hollow cylindrical, rotatable object that is coupled to a drive source that is configured to rotate the rotatable object without a central shaft. The method includes steps of: mounting an arbor having a forward shaft and an aft shaft to an inner wall of the rotatable object so that the forward shaft and aft shaft are concentric to an axis of rotation of the rotatable object; operating the drive source to rotate the rotatable object and the arbor; measuring displacement of the forward shaft and the aft shaft of the arbor while the drive source is rotating the rotatable object; applying balancing weights to the rotatable object in accordance with the measured displacements; and removing the arbor from the rotatable object when a balance is achieved.Type: GrantFiled: September 29, 2000Date of Patent: July 2, 2002Assignee: GE Medical Systems Global Technology Company, LLCInventors: Thomas R. Murray, Richard C. Boettner, Philip M. Wiggin
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Patent number: 5974878Abstract: A runout measurement and control system including an accelerometer comprising a unit that is positioned on the lathe housing and configured to measure the rotational acceleration of the lathe body during a lateral runout correction sequence. The runout measurement and control system further includes a control circuit comprising a microprocessor that analyzes the accelerometer data to provide a corrective signal that is transmitted to an automated alignment device.Type: GrantFiled: September 4, 1996Date of Patent: November 2, 1999Assignee: Joseph B. WilleyInventors: Harold Newell, John Wiggins
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Patent number: 5827964Abstract: A device for the detection and measurement of the position of a turning body (3) such as a wheel of an automotive vehicle, adapted to be driven in rotation, comprises a source of illumination (8) adapted to illuminate selectively the vicinity of the position to be detected and at least one detector (9) of the luminous intensity receiving the radiation of the illuminated position so as to determine the geometric parameter representative of the position (15) to be detected. Use in balancing turning bodies, particularly automotive vehicle wheels.Type: GrantFiled: January 23, 1996Date of Patent: October 27, 1998Assignee: Muller BEMInventors: Denis Douine, Patrice Muller
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Patent number: 5659136Abstract: In order to determine an imbalance of a rotor caused to turn by means of a driving arrangement, imbalance-produced deflections or accelerations of the driving arrangement, spring-loaded with respect to a stationary housing, are determined and relayed as an electrical signal to an evaluation device. The sensor may be, for example, a piezoelectric crystal for detection of accelerations of the drive unit caused by imbalance or a path sensor for detection of deflections of the drive unit relative to the housing as a result of imbalance. The signal is evaluated as a function of the rotary speed of the rotor by means of an adaptive band filter. The method is especially suitable for determination of imbalance during operation of laboratory centrifuges, where an imbalance can occur, for example, from breakage of test tubes.Type: GrantFiled: July 30, 1996Date of Patent: August 19, 1997Assignee: Heraeus Instruments GmbHInventors: Michael Koch, Ruediger Uhlendorf, Ingo Jaeckel
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Patent number: 4545247Abstract: A balance support and chuck for use in an apparatus for performing work on workpieces such as automotive drive shafts, said work stations having a fixed headstock at one end and a laterally adjustable tailstock at the other end. The balance support and chuck may be coupled to an off-balance indicator for measurement of the amount of imbalance in a workpiece. The chuck has a supporting bearing assembly which rests on a surface of greater curvature in the balance support.Type: GrantFiled: September 27, 1983Date of Patent: October 8, 1985Assignee: Drive Line Service, Inc.Inventors: Louis D. Wilson, Patrick Jones
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Patent number: 4509367Abstract: A device for indexing a rotor (17) of a machine (13) to be balanced utilizes the output signal (A) from a generator (15) connected to the machine rotor (17). The generator (15) produces a continuous sinusoidal output signal (A) proportional to the position and speed of the associated rotor (17). Detector means (37) detect a predetermined output from the generator (15) so that an indicator (41) issues an indication each time the detector means (37) detects the predetermined output. Thus, an operator can physically index the angular position of the rotor (17) with respect to the predetermined output (A) from the generator (15) when an indication is provided so that the position of the rotor (17) is referenced to the output signal (A) of the generator (15).Type: GrantFiled: May 9, 1983Date of Patent: April 9, 1985Assignee: Lockheed CorporationInventors: Joe A. McInturff, David W. Patterson
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Patent number: 3987338Abstract: A vibration pick-up unit for balancing rotating bodies such as vehicle wheels comprises a housing having a tubular guide communicating with the interior of the housing, a plunger rod disposed telescopically in the tubular guide for axial and rotary movement, a permanent magnet attached pivotally on an end of the rod for engagement with a vibrating member of a wheel suspension system arising on rotation of the wheel, a first mounting member disposed within the housing and cooperating operatively with the tubular guide, the first mounting member being movable in response to the vibrations of the suspension system, a second mounting member disposed within the housing adjacent the first mounting member, light means disposed in the second mounting member for generating a source of light, photo-sensitive means disposed in the first mounting member and being responsive to the light means for converting the vibrations of the suspension system into an electric sinusoidal signal and circuit means connected operativelyType: GrantFiled: March 26, 1975Date of Patent: October 19, 1976Assignee: Applied Power Inc.Inventor: Peter A. Puetz