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Class 29/901 - BALANCING METHOD


Subclass of Class 29 - Metal working
Definition: Cross-reference art collection of documents relating to
No. of patents: 33
Last issue date: 07/08/2008


NumberTitleIssue Date
7395796Rotational balance adjusting structure and method for engine
A rotational balance adjustment structure for an engine includes; a damper pulley having an elastic member provided on the outer periphery of a hub and a damper mass provided on the outer periphery of the elastic member; and an engine assembly having an engine body ...
07/08/2008
7347784Driveshaft assembly and method of manufacturing same
A driveshaft assembly includes a yoke including a body portion, a pair of opposed yoke arms that extends generally in a first axial direction from the body portion, and a neck portion that extends generally in a second axial direction from the body portion. A drives...
03/25/2008
7093346Conning motor hub surface method for hard disk drives
A hard disk hub has a disk-mounting face formed at one end as a truncated conical surface of revolution symmetric about the hub axis. A cylindrical inner hub member is coaxial with the hub body outside diameter and the surrounding mounting face. The inner hub member...
08/22/2006
6923058System and method for balancing a driveline system
A process for balancing a vehicular driveline including a propeller shaft and an input shaft of a vehicle axle interconnected by a universal joint. First, the vehicle propeller shaft is balanced to a predetermined residual imbalance having an imbalance vector angle ...
08/02/2005
6826817Method for balancing a vehicle driveshaft
A method is provided for quickly and inexpensively balancing an article, such a driveshaft tube for use in a vehicular driveshaft assembly, for rotation about an axis. Initially, a balancing structure is provided that includes a chamber that contains a quantity of a...
12/07/2004
6792660Method for manufacturing a driveshaft assembly that is balanced for rotation
A method for manufacturing a driveshaft assembly takes advantage of the asymmetrical nature of the driveshaft tube and end fittings to reduce the initial imbalance of the driveshaft assembly. The method includes the initial steps of providing a driveshaft tube havin...
09/21/2004
6571460METHOD AND APPARATUS FOR BALANCING A ROTARY ACTUATOR BY MODIFYING WEIGHT DISTRIBUTION CHARACTERISTICS OF THE ROTARY ACTUATOR FOR LOCATING AN INSTALLED HEAD STACK ASSEMBLY PORTION CENTER-OF-GRAVITY ALONG A PIVOT AXIS
An aspect of the invention can be regarded as a method of balancing a rotary actuator for use in a rotatable head stack assembly (HSA) portion in a disk drive. The rotary actuator has a pivot axis, and the rotatable HSA portion has an installed HSA portio...
06/03/2003
6502300METHOD AND APPARATUS FOR BALANCING A ROTARY ACTUATOR BY MODIFYING WEIGHT DISTRIBUTION CHARACTERISTICS OF THE ROTARY ACTUATOR FOR LOCATING AN INSTALLED HEAD STACK ASSEMBLY PORTION CENTER-OF-GRAVITY ALONG A PIVOT AXIS
An aspect of the invention can be regarded as a method of balancing a rotary actuator for use in a rotatable head stack assembly (HSA) portion in a disk drive. The rotary actuator has a pivot axis, and the rotatable HSA portion has an installed HSA portio...
01/07/2003
6405434Method for producing a spinning rotor
A spinning rotor for open-end spinning machines and a method for balancing the spinning rotor in the course of a single clamping process by removing material from a cylindrical-shaped section of the collar (20) of the rotor cup (19) to form an identificat...
06/18/2002
6292992Process for compensating eccentricities and imbalances of rotating parts
In order to permit a fast, precisely centric fastening of rotating tools, such as drills or milling tools in clamping sleeves, of such clamping sleeves or of workpiece holding devices, such as clamping chucks 4 in spindles 1 of turning machines, respectiv...
09/25/2001
5992232Dynamic balance adjusting apparatus
An automatic dynamic balance adjusting apparatus is provided that adjusts the dynamic balance of a rotating body on a workpiece. The dynamic balance adjusting apparatus includes a control unit, a turntable for carrying the workpiece along a predetermined ...
11/30/1999
5921148Method for stabilizing a centrifuge rotor
A method to dampen vibrations of a centrifuge by restraining vertical movement of a disk rotatably attached to the centrifuge's drive shaft. Damping bearings contact with the disk to restrain movement. Means responsive to the radial displacement of the di...
07/13/1999
5823466Propeller balancing method and apparatus
A method and apparatus to balance propeller blades including, but not limited to, those used on model aircraft provides relocation of the propeller's center mounting hole to the propeller's center of mass by installation of appropriate eccentric bushings ...
10/20/1998
5823304Method for producing a brake drum
An improved method for producing a final balanced and noise suppressing brake drum including a generally closed outer end, a generally axially extending cylindrical main body, and an open inner end. The closed outer end of the brake drum includes a centra...
10/20/1998
5791595Propeller balancing method and apparatus
A propeller balancing method and apparatus provides relocation of the propeller's center mounting hole to the propeller's center of mass. The method uses a conventional balance stand, by first attaching a balanced drill guide fixture to the hub of the pro...
08/11/1998
5655641Clutch disc with balancing rivets
The present invention generally relates to a clutch disc for a friction clutch, in which two identical cover plates are used, each of which has areas with different outside diameters, whereby the area with the larger diameter has the openings for fastenin...
08/12/1997
5516054Armature coil winding method
A method of winding an armature coil, wherein out of slots (S1-S12) of an armature core (12), slots (S5, S8) away from eccentric portions (13a, 14a) of first and second balancers (13, 14) which are disposed at opposite sides of the armature core (12) are ...
05/14/1996
5435059Advance balancing process for crankshaft
A balancing process for crankshafts that are assembled from a plurality of precisely machined, forged parts, in which the balancing process connects both revolving and reciprocating imbalances, allowing for optimum balancing conditions, which exceed the n...
07/25/1995
5397291Device for fixing a balancing material in a roll
A device for fixing a material used for balancing of a roll in which a support and fixing construction for a fluidized balancing material is placed into the roll interior in contact with an inner face of the roll. The fluidized balancing material is then ...
03/14/1995
5347884Method and apparatus for cancellation of rotational unbalance
A device (19) for generating a rotating force vector and an oscillatory couple includes a plurality of non-concentric eccentric masses (22A, 22B, 22C, 22D, 22E, 22F) co-rotating at the same angular speed; and means (24A, 24B, 24C, 24D, 24E, 24F) for indiv...
09/20/1994
5327647Method for setting pitch on a windmill airfoil
Setting pitch on a windmill airfoil having a longitudinal axis, a rotor blade and a rotor base secured to the rotor blade is accomplished by marking a windmill rotor hub for receiving the rotor base with a reference mark at a location corresponding to a f...
07/12/1994
5303463Tire balancing system
A system is disclosed for assembling and balancing automotive wheels. Each wheel includes a wheel rim having a valve stem opening and a tire adapted to be mounted on the rim. The circumferential position and magnitude of any tire imbalance is marked on th...
04/19/1994
5230616Rotary compressor with shaft balancers
A rotary compressor has an electric motor and a compressing mechanism drivingly connected together by a crank shaft and disposed in a closed housing. The compressing mechanism has a rolling piston rotatable in a cylinder bore and driven by an eccentric po...
07/27/1993
5210945Method of assembly of a rotary shaft in a ball-bearing type turbocharger
In an assembly method of the rotary shaft in use for a ball-bearing type turbocharger, there includes steps of inserting an inner race of the first ball bearing into a rotary shaft to locate it in proximity of a turbine impeller before disposing the rotar...
05/18/1993
5206988Hybrid ultra-centrifuge rotor with balancing ring and method of manufacture
A centrifuge rotor having a balancing ring integrally formed with and raised from the upper surface thereof is manufactured by removing material from the ring to balance the rotor in the upper plane. The balancing ring is on the same radius as the rotor t...
05/04/1993
5201116Process for measuring unbalance of torque converter and process for correcting such unbalance
A process for measuring an unbalance of a torque converter, in which an outer member and an inner member of the torque converter are assembled, and oil is filled into the outer member to establish a condition similar to an actual service state of the torq...
04/13/1993
5138757Process for manufacturing a vehicle brake drum
Manufacture of brake drums having an annular brake ring and a drum back for mounting the ring for rotation about an axis defined at least in part by one or more openings in the back. Radial runout of the brake ring is measured, and the mounting openings i...
08/18/1992
5131143Method of centering and thus balancing workpieces to be machined only in part
A method of centering and thus balancing workpieces to be machined only in part comprises a provision of centering bores in and faces of the workpiece and/or a circular machining of peripheral surfaces on which the workpiece is adapted to the gripped. Bef...
07/21/1992
5048338Electronic bobweight eliminator
The present invention provides for a method of generating an electronic bobweight signal used to offset an unbalance signal before the unbalance signal is received at the input portion of the electronic circuitry of the unbalance detection system. The ele...
09/17/1991
5033923Rotary tool
A rotary tool is provided with a shank and a collar-like section, and further includes a plurality of screw-threaded holes drilled in a vertical end face of the collar-like section, in parallel relationships with the axis of the collar-like section. A plu...
07/23/1991
4938064Electronic bobweight eliminator
The present invention provides for a method of generating an electronic bobweight signal used to offset an unbalanced signal before the unbalance signal is received at the input portion of the electronic circuitry of the unbalance detection system. The el...
07/03/1990
3951563Manufacture of vehicle disc wheels
A method of truing a spigot located disc wheel comprising clamping the wheel between two adaptors, rotating the wheel, measuring the radial displacements at each bead seat, and operating a borer in response to the displacements to bore a central spigot ho...
04/20/1976
3932053Method for controlling the weight correction of workpieces prior to finish-machining
In the weight correction of workpieces prior to finish-machining, such as connecting rods, the dimensions of the pre-machined surfaces are measured and employed as a factor in the adjustment of the machine tool for weight correction of the workpieces, for...
01/13/1976
 
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