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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hollenbeck; Robert K.
Address:
Fort Wayne, IN
No. of patents:
27
Patents:












Patent Number Title Of Patent Date Issued
6864616 Method and apparatus for forming an electric motor having stacked laminations March 8, 2005
An electric motor including a stator, a rotor, and a housing adapted to support the stator and the rotor is provided. The stator includes a stator core, a first and second lamination stack, a flux tube extending therethrough, and windings on the stator core. The rotor includes a hub
6847285 Interlock tabs for laminations January 25, 2005
A laminated plate assembly in which the laminations in a stack are secured together by means of one or more interlocks or tabs that project from the uppermost lamination in the assembly through holes or slots in all the other laminations in the assembly, or around the periphery of the ot
6722015 Assembly method for stamped and cupped laminations April 20, 2004
A method and apparatus for progressively cutting, piercing, bending, stacking, and interlocking lamination assemblies from a strip of laminate. The stacked laminations are mechanically interlocked with a staple-style interlock that secures all the laminations in the stack together. All t
6483265 Methods and systems for minimizing vibration in electric machines November 19, 2002
Methods and apparatus for minimizing electrical machine vibration are described. In an exemplary embodiment of the method, power is applied to the motor under microprocessor control such that a pulse modulated current profile is applied to the motor which in turn controls the amount of
6271609 Programmable electric motor and method of assembly August 7, 2001
An electric motor having a snap-together construction without the use of separate fasterners. The construction of the motor removes additive tolerances for a more accurate assembly. The motor is capable of programming and testing after final assembly and can be non-destructively disa
6239532 Motor with external rotor May 29, 2001
An inside out motor includes a rotor including a concave member, a shaft defining a longitudinal axis mounted on the concave member and a magnet mounted on an interior surface of the concave member. A bearing receives the shaft for rotatably mounting the rotor. A stator assembly is mount
6232687 Electric motor having snap connection assembly May 15, 2001
An electric motor having a snap-together construction without the use of separate fasteners. The construction of the motor removes additive tolerances for a more accurate assembly. The motor is capable of programming and testing after final assembly and can be non-destructively disas
6147465 Microprocessor controlled single phase motor with external rotor having integral fan November 14, 2000
A motor powered by a dc power source has a stator having a single phase winding. A power switching circuit of the motor has power switches for selectively connecting the dc power source to the single phase winding. A permanent magnet rotor in magnetic coupling relation to the stator driv
6144131 Dynamoelectric machine rotor having interleaved laminations and method for forming November 7, 2000
A dynamoelectric machine having a permanent magnet rotor construction which contains the permanent magnets while inhibiting flux leakage. The invention further permits rapid, substantially conventional manufacturing techniques to be employed in the formation of rotor laminations used to
6133666 Electric motor with a stator including a central locator October 17, 2000
An electric motor having a snap-together construction without the use of separate fasteners. The construction of the motor removes additive tolerances for a more accurate assembly. The motor is capable of programming and testing after final assembly and can be non-destructively disas
6118198 Electric motor with ice out protection September 12, 2000
An electric motor having a snap-together construction without the use of separate fasteners. The construction of the motor removes additive tolerances for a more accurate assembly. The motor is capable of programming and testing after final assembly and can be non-destructively disas
6112535 Compressor including a motor and motor control in the compressor housing and method of manufactu September 5, 2000
A refrigeration system to be driven by an electrical power source. A compressor mechanism in a hermetically sealed compressor housing circulates a refrigerant located within the compressor housing through a loop. A motor in the compressor housing and in contact with the refrigerant w
5996209 Method of manufacturing a dynamoelectric machine December 7, 1999
A dynamoelectric machine has a stator end cap mounted on a stator core, which attaches a control circuit board directly onto the stator. The end cap has integrally formed fingers which permit snap on connection of the circuit board. Guide pins make certain the circuit board is oriented
5986379 Motor with external rotor November 16, 1999
A motor having an external rotor, or "inside out motor" has a split C arrangement of ferromagnetic members which function as the poles of the electromagnet in the motor. The ferromagnetic members are generally C-shaped and mounted on opposite end caps of the motor. The ferromagnetic
5982122 Capacitively powered motor and constant speed control therefor November 9, 1999
A capacitively powered motor having a power switching circuit adapted to be connected between a power source and its winding for selectively energizing the winding to generate a magnetic field which causes a rotating assembly to rotate. A position sensing circuit provides a position
5895994 Dynamoelectric machine April 20, 1999
A dynamoelectric machine has a stator end cap mounted on a stator core, which attaches a control circuit board directly onto the stator. The end cap has integrally formed fingers which permit snap on connection of the circuit board. Guide pins make certain the circuit board is oriented
5847524 Constant speed control for a motor December 8, 1998
A motor having a power switching circuit adapted to be connected between a power source and its winding for selectively energizing the winding to generate a magnetic field which causes a rotating assembly to rotate. A position sensing circuit provides a position signal representative of
5838127 Single phase motor for laundering apparatus November 17, 1998
A motor system having a stationary assembly including a winding and a rotatable assembly in magnetic coupling relation to the stationary assembly. A power supply link having upper and lower rails supplied by a power supply provides power to the motor winding. The power supply link ha
5772176 Motor mounting system June 30, 1998
A vibration isolating mounting system for an electric motor comprising includes a plurality of mounting arms formed from rod stock and each having one segment extending generally parallel to an axis of the motor and another segment extending generally perpendicular to the motor axis.
5692385 System and method initiating defrost in response to speed or torque of evaporator motor December 2, 1997
An apparatus for use with a refrigeration system including a compressor for compressing a working fluid evaporated in an evaporator and condensed in a condenser. A control circuit initiates operation of a refrigeration cycle and initiates a defrost cycle in response to a defrost enable s
5682826 Systems and methods for controlling a draft inducer for a furnace November 4, 1997
Systems and methods for controlling a draft inducer for use with a furnace. The draft inducer includes a fan for inducing a draft in the furnace combustion chamber that causes a pressure drop across a heat exchanger assembly for moving exhaust combustion chamber gases. The heat exchanger
5680021 Systems and methods for controlling a draft inducer for a furnace October 21, 1997
Draft inducer systems and methods for use with a furnace. A motor drives a fan in response to a motor control signal for inducing a draft which is a function of motor speed and motor torque. A processor defines a speed/torque operating curve having a minimum desired speed and a maximum
5676069 Systems and methods for controlling a draft inducer for a furnace October 14, 1997
Systems and methods for controlling a draft inducer for use with a furnace. The draft inducer includes a motor for driving a fan for inducing a draft in the furnace that causes a pressure drop across the heat exchanger of the furnace. A memory stores information including a table of pred
5616995 Systems and methods for controlling a draft inducer for a furnace April 1, 1997
Systems and methods for controlling a draft inducer for use with a furnace. The draft inducer includes a fan for moving combustion chamber gases for inducing a draft in the furnace combustion chamber that causes a pressure drop across a heat exchanger. The density of the gases flowing ac
5557182 System and methods for controlling a draft inducer to provide a desired operating area September 17, 1996
A system and methods to provide a desired operating area for a motor driving a fan for inducing a draft in a vent of a heating, ventilating and air conditioning system. The motor includes a stationary assembly and a rotatable assembly. The stationary assembly includes windings adapted to
5513058 DC link circuit for an electronically commutated motor April 30, 1996
A protective DC link circuit connecting a motor to a power supply. The motor has a stationary assembly and a rotatable assembly in magnetic coupling relation thereto and includes windings adapted to be commutated in at least one preselected sequence. The motor also has power switches
5418438 Draft inducer air flow control May 23, 1995
A control circuit for a motor driving a fan for inducing a draft in the exhaust of a heating, ventilating and air conditioning (HVAC) system. The control circuit may be used in conjunction with either a variable pressure sensor or one or two discrete pressure sensors. A controller receiv










 
 
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