Eletromagnetically actuated rotating machine unbalance compensator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5757662
SERIAL NO

08346158

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An electromagnetically actuate machine balancer including a plurality of peripherally placed magnetic circuits and a power driver which selectively interrupts the magnetic flux through the circuits, thereby moving unbalanced rotors in a desired manner to compensate for machine unbalance.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
LORD CORPORATIONERIE, PA313

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dyer, Stephen William Ann Arbor, MI 8 145
Hackett, Brian Kent Saline, MI 3 62
Kerlin, Jack Springville, UT 7 60

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
* 4983915 Device for determining the rotary angle position of rotary drives of electrical machines by evaluation of electrical voltages by sensors responding to rotary movements 22 1988
* 5144862 Rotating shaft mounted actuating mechanism 5 1990
 
Balance Engineering Corp. (1)
* 5161414 Magnetically shielded apparatus for sensing vibration 9 1991
 
MOTOR/ROTOR, INC. (1)
* 5505684 Centrifuge construction having central stator 28 1994
 
The Boeing Company (1)
* 5172325 Method for balancing rotating machinery 16 1990
 
Nagase Iron Works Co., Ltd. (1)
* 4817003 Apparatus for detecting and indicating the balance of a rotary body in a machine tool 18 1987
 
DANA CORPORATION (1)
* 5168187 Axial pole stepping motor 31 1991
 
BALANCE DYNAMICS CORPORATION (3)
* 4432253 Unbalance compensator 22 1982
* 4684944 Remote control system for rotary device 10 1984
* 4977510 Computerized control system and method for balancers 13 1989
 
DIMETRICS, INC. (1)
* 4340948 Single-coil balance wheel for driving a mechanical movement 5 1980
 
Dynamics Research Corporation (1)
* 5412583 Computer implemented balancer 20 1993
 
WHIRLPOOL CORPORATION (1)
* 4626147 Method of and apparatus for balancing a rotary body 18 1984
 
BALADYNE CORPORATION (3)
* 5231265 Method and apparatus for the transfer of electrical power to a balancer 24 1990
* 5240358 Method and apparatus for tool balancing 20 1990
* 5453598 Apparatus for the transfer of electrical power to a balancer 24 1993
 
NISSAN MOTOR CO., LTD. (1)
* 4550428 Driver unit for automotive audio speaker 15 1983
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (3)
* 2006/0178,780 Active balancing system powered by light 1 2006
8505411 Active balancing system powered by light 0 2010
8813602 Active balancing system powered by light 0 2013
 
SCHENCK ROTEC CORPORATION (1)
* 6595052 Self-calibrating machines for balancing work pieces and methods of machine calibration 7 2002
 
SIKORSKY AIRCRAFT CORPORATION (4)
* 8042659 Active force generation/isolation system employing Magneto Rheological Fluid (MRF) 0 2003
8403643 Dual frequency hub mounted vibration suppressor system 0 2009
* 2009/0236,468 DUAL FREQUENCY HUB MOUNTED VIBRATION SUPPRESSOR SYSTEM 12 2009
8920125 Dual frequency hub mounted vibration suppressor system 1 2013
 
FORD MOTOR COMPANY (1)
* 6859674 Method for designing and acquiring a machining system based upon performance characteristics 3 2000
 
SCHMITT MEASUREMENT SYSTEMS, INC. (1)
6606922 Rotational imbalance compensator 18 2001
 
CONAGRA FOODS RDM, INC. (2)
* 7569241 Magnetic alignment system for scraped-surface heat exchanger and method 0 2003
* 2005/0103,206 Magnetic alignment system for scraped-surface heat exchanger and method 0 2003
 
ROLLS-ROYCE PLC (1)
7882765 Balancing assembly 2 2005
 
NATIONAL CHUNG CHENG UNIVERSITY (1)
8281686 Eddy-current actuated balancer for rotating machinery 0 2010
 
LORD CORPORATION (28)
* 6236934 Electromagnetically actuated rotating machine unbalance compensator 25 1997
6364581 Balancer 4 2001
* 7267029 Balancing device for a rotating member and associated methods 4 2002
* 2003/0089,193 Balancing device for a rotating member and associated methods 5 2002
7717013 Rotating machine active balancer and method of dynamically balancing a rotating machine shaft with torsional vibrations 11 2005
* 2006/0005,623 Rotating machine active balancer and method of dynamically balancing a rotating machine shaft with torsional vibrations 9 2005
7448854 Helicopter vibration control system and rotary force generator for canceling vibrations 20 2005
* 2006/0083,617 Helicopter vibration control system and rotary force generator for canceling vibrations 12 2005
7722322 Computer system and program product for controlling vibrations 13 2006
* 2007/0156,289 COMPUTER SYSTEM AND PROGRAM PRODUCT FOR CONTROLLING VIBRATIONS 12 2006
8360728 Aircraft with transient-discriminating propeller balancing system 4 2007
* 2009/0306,829 AIRCRAFT WITH TRANSIENT-DISCRIMINATING PROPELLER BALANCING SYSTEM 5 2007
7942633 Helicopter vibration control system and rotary force generator for canceling vibrations 3 2008
8090482 Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations 4 2008
8162606 Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations 4 2009
* 2010/0034,655 HELICOPTER HUB MOUNTED VIBRATION CONTROL AND CIRCULAR FORCE GENERATION SYSTEMS FOR CANCELING VIBRATIONS 8 2009
8435002 Helicopter vibration control system and rotating assembly rotary forces generators for canceling vibrations 1 2009
* 2010/0221,110 HELICOPTER VIBRATION CONTROL SYSTEM AND ROTATING ASSEMBLY ROTARY FORCES GENERATORS FOR CANCELING VIBRATIONS 7 2009
8480364 Computer system and program product for controlling vibrations 4 2010
8267652 Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations 4 2010
* 2011/0027,081 HELICOPTER HUB MOUNTED VIBRATION CONTROL AND CIRCULAR FORCE GENERATION SYSTEMS FOR CANCELING VIBRATIONS 7 2010
* 8961139 Aircraft propeller balancing system 0 2010
* 2011/0197,703 Aircraft propeller balancing system 5 2010
9073627 Helicopter vibration control system and circular force generation systems for canceling vibrations 0 2010
8313296 Helicopter vibration control system and rotary force generator for canceling vibrations 3 2011
* 8961140 Aircraft propeller balancing system 1 2011
* 2012/0269,626 AIRCRAFT PROPELLER BALANCING SYSTEM 3 2011
8639399 Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations 0 2011
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
* 6242826 Spindle motor and disc driving apparatus comprising the same 19 1999
 
ANCA PTY LTD (2)
* 7467019 Computation of imbalance in rotatably mounted object in a motion control system 0 2005
* 2007/0272,014 Computation Of Imbalance In Rotatably Mounted Object In A Motion Control System 0 2005
* Cited By Examiner