Patents by Inventor Michael W. Major
Michael W. Major has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20160056681Abstract: An electric motor includes a stator, a rotor rotatable relative to the stator about a rotor axis, a motor case, and a motor controller. The motor case presents a motor chamber in which the stator is located. The motor controller is supported relative to the motor case and includes a heat-producing component external of the motor chamber. A heat sink is thermally coupled with the heat-producing component of the motor controller and is located within the motor chamber. A dripshield cooperates with the motor case to define a controller chamber in which the controller is at least substantially located. The dripshield and motor case present complementary pairs of latch components, with each pair of latch components including a dripshield latch component and a case latch component. Each pair of latch components is automatically interlocked to secure the dripshield on the motor case.Type: ApplicationFiled: August 21, 2014Publication date: February 25, 2016Applicant: NIDEC MOTOR CORPORATIONInventors: Michael W. Major, Carolyn S. Schaefer, Gregory A. Peterson
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Publication number: 20160006303Abstract: A rotor is provided for use in an electric motor. The rotor includes a shaft assembly rotatable about an axis, a plurality of magnets arranged arcuately about the shaft assembly, and a plurality of pole segments arranged arcuately about the shaft assembly. The pole segments alternate with the magnets, such that each of the magnets is at least in part interposed between adjacent pole segments. The pole segments are magnetically isolated from each other. Furthermore, the shaft assembly is electrically isolated from the pole segments.Type: ApplicationFiled: May 7, 2015Publication date: January 7, 2016Applicant: Nidec Motor CorporationInventors: Keith I. Hoemann, Michael W. Major, Philip S. Johnson, William R. Lewis, Kent A. Sheeran
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Publication number: 20150381022Abstract: A stator of an electric motor includes a core and a covering overmolded on the core. The mold for overmolding the covering on the core includes first and second cavity-defining portions and pluralities of first and second pins extending at least generally toward opposite ones of the cavity-defining portions. The cavity is configured to receive the core therein. The first pins and the second pins are configured to extend into the cavity when the mold is in the closed position to cooperatively at least in part secure the core in the cavity.Type: ApplicationFiled: June 30, 2015Publication date: December 31, 2015Applicant: Nidec Motor CorporationInventors: Michael W. Major, Matthew D. Allen
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Publication number: 20150381006Abstract: An electric fan includes a plurality of blades and an electric motor for rotating the blades. The electric motor includes a stator and a rotor rotatable relative to the stator about an axis. The rotor includes a backing ring and a diecast rotor can. The can includes a non-machined sidewall that is diecast integrally as part of the rotor can. The sidewall extends about the axis. The rotor can is diecast in an overlying relationship with at least part of the backing ring, with the sidewall and backing ring being securely interengaged so as to restrict relative shifting therebetween.Type: ApplicationFiled: June 30, 2015Publication date: December 31, 2015Applicant: Nidec Motor CorporationInventors: Matthew D. Allen, Michael W. Major
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Publication number: 20150256047Abstract: An electric motor includes a stator, a rotor, and weights removably attached to the rotor shell for use in balancing the rotor. The removable weights may be integrally formed with a rotor shell such that the weights and the rotor shell form a unitary, one-piece construction. The removable weights may be substantially uniformly spaced apart around an entirety of the outer perimeter of the rotor shell. In a method of making an electric motor, the stator is coupled to the rotor such that the weights are accessible for selective removal during balancing of the rotor.Type: ApplicationFiled: March 4, 2015Publication date: September 10, 2015Inventor: Michael W. Major
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Patent number: 9093884Abstract: An integrated motor and control system has an electric motor. A control controls operation of the motor. A housing substantially covers at least two sides of the control. The housing has an opening and a liquid guide for guiding liquid toward a predetermined position in the opening to prevent liquid from contacting the control. The control is mounted on at least one of the electric motor and the housing. A heat sink can be extended through the opening in the housing to cool the control. The liquid guide can facilitate natural convection over the portion of the heat sink exterior of the housing. The integrated motor and control system can suitably be used in a washing machine or other appliance where liquid may be encountered.Type: GrantFiled: October 20, 2010Date of Patent: July 28, 2015Assignee: Nidec Motor CorporationInventors: Michael W. Major, Gregory A. Peterson
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Publication number: 20150145361Abstract: An outer rotor motor is provided for use in a machine. The motor includes a rotor and a stator. A control board assembly configured to control at least one operational characteristic of the motor is mounted at least in part radially inside the stator.Type: ApplicationFiled: February 2, 2015Publication date: May 28, 2015Applicant: NIDEC MOTOR CORPORATIONInventors: Gregory A. Peterson, Daniel E. Hilton, Michael W. Major
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Patent number: 8946954Abstract: An outer rotor motor is provided for use in a machine. The motor includes a rotor and a stator. A control board assembly configured to control at least one operational characteristic of the motor is mounted at least in part radially inside the stator.Type: GrantFiled: April 20, 2012Date of Patent: February 3, 2015Assignee: Nidec Motor CorporationInventors: Gregory A. Peterson, Daniel E. Hilton, Michael W. Major
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Patent number: 8692424Abstract: A stator comprises a cavity formed into the insulator of the windings. The non-wound wire sections that extend from the windings and the electrical conductors attached thereto are housed within the cavity. A cap locks onto the stator insulator and prevents the non-wound sections of wire from migrating out of the cavity.Type: GrantFiled: February 11, 2010Date of Patent: April 8, 2014Assignee: Nidec Motor CorporationInventors: Jeffrey R. Bohrer, Daniel E. Bailey, Michael W. Major, Daniel E. Hilton, Gregory M. Levine, Barry M. Newberg, James R. Gore, Mark D. Piatt
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Publication number: 20130278094Abstract: An outer rotor motor is provided for use in a machine. The motor includes a rotor and a stator. A control board assembly configured to control at least one operational characteristic of the motor is mounted at least in part radially inside the stator.Type: ApplicationFiled: April 20, 2012Publication date: October 24, 2013Applicant: NIDEC MOTOR CORPORATIONInventors: Gregory A. Peterson, Daniel E. Hilton, Michael W. Major
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Publication number: 20120096902Abstract: An integrated motor and control system has an electric motor. A control controls operation of the motor. A housing substantially covers at least two sides of the control. The housing has an opening and a liquid guide for guiding liquid toward a predetermined position in the opening to prevent liquid from contacting the control. The control is mounted on at least one of the electric motor and the housing. A heat sink can be extended through the opening in the housing to cool the control. The liquid guide can facilitate natural convection over the portion of the heat sink exterior of the housing. The integrated motor and control system can suitably be used in a washing machine or other appliance where liquid may be encountered.Type: ApplicationFiled: October 20, 2010Publication date: April 26, 2012Applicant: NIDEC MOTOR CORPORATIONInventors: Michael W. Major, Gregory A. Peterson
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Publication number: 20110193433Abstract: A stator comprises a cavity formed into the insulator of the windings. The non-wound wire sections that extend from the windings and the electrical conductors attached thereto are housed within the cavity. A cap locks onto the stator insulator and prevents the non-wound sections of wire from migrating out of the cavity.Type: ApplicationFiled: February 11, 2010Publication date: August 11, 2011Applicant: EMERSON ELECTRIC CO.Inventors: Jeffrey R. Bohrer, Daniel E. Bailey, Michael W. Major, Daniel E. Hilton, Gregory M. Levine, Barry M. Newberg, James R. Gore, Mark D. Piatt
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Patent number: 7850783Abstract: A method and apparatus for cleaning a hearing aid provides a housing having a motor drive and speed control. A rotary chamber is mounted to the housing and driven by the motor drive. A drive shaft can be provided connecting the motor drive and the rotary chamber. The rotary chamber has a wall with at least one receptacle for holding a hearing aid. The rotary chamber can have two openings, one for a hearing aid and a second opening for another hearing aid or a counterweight. The rotary chamber can be counterweighted to compensate for the weight of a single hearing aid or any other arrangements of multiple hearing aids. Each receptacle is configured to hold a hearing aid. The motor drive is powered sufficiently to rotate the hearing aid at the speed of between about 2800 and 3200 rpm in order to generate a G-force on the hearing aid of about 270 G's.Type: GrantFiled: June 29, 2006Date of Patent: December 14, 2010Assignee: General Hearing Instrument, Inc.Inventors: Gregory R. Siegle, Roger P. Juneau, Edward J. Desporte, Michael W. Major, Gene Adoue, Sherriel Lynn Johnson, James David Moser, Brian M. Tanner
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Patent number: 7352092Abstract: A horizontal axis washing machine includes an integrated motor and controller assembly. The controller is mounted to the electric motor with the controller positioned under a tub of the washing machine. The tub provides drip protection for the controller during operation of the washing machine. Additional embodiments include a motor and controller assembly in which a heat producing component of the controller is thermally coupled to a heat sink. The heat sink is positioned on an endshield of the electric motor and/or external to a housing of the motor controller. A stator of the electric motor can include one or more magnet wires attached directly to a connector for the motor controller.Type: GrantFiled: August 22, 2005Date of Patent: April 1, 2008Assignee: Emerson Electric Co.Inventors: Gregory M. Levine, Daniel E. Hilton, Michael W. Major, Stephen J. Burton, Scott M. Schroer
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Publication number: 20070040460Abstract: A horizontal axis washing machine includes an integrated motor and controller assembly. The controller is mounted to the electric motor with the controller positioned under a tub of the washing machine. The tub provides drip protection for the controller during operation of the washing machine. Additional embodiments include a motor and controller assembly in which a heat producing component of the controller is thermally coupled to a heat sink. The heat sink is positioned on an endshield of the electric motor and/or external to a housing of the motor controller. A stator of the electric motor can include one or more magnet wires attached directly to a connector for the motor controller.Type: ApplicationFiled: August 22, 2005Publication date: February 22, 2007Inventors: Gregory M. Levine, Daniel E. Hilton, Michael W. Major, Stephen J. Burton, Scott M. Schroer
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Patent number: 7099159Abstract: An appliance circuitry housing is designed so a circuit board can be attached directly to the housing interior with circuit board electric terminals being accessible from the housing exterior. An integral door on the housing exterior can be pivoted to a closed position over the electric terminals and connected plugs. A plurality of housing legs with slots engage in openings in the appliance to secure the housing to the appliance. A resilient latch on the housing exterior holds the housing in its attached position to the appliance.Type: GrantFiled: December 5, 2002Date of Patent: August 29, 2006Assignee: Emerson Electric Co.Inventors: Michael W. Major, Stephen J. Burton
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Patent number: 6919366Abstract: This invention relates to a family of benzimidazole analogs, which are inhibitors of the IgE response to allergens. These compounds are useful in the treatment of allergy, asthma, or any diseases where IgE is pathogenic.Type: GrantFiled: October 16, 2001Date of Patent: July 19, 2005Assignee: Avanir PharmaceuticalsInventors: Jagadish C. Sircar, Mark L. Richards, Michael G. Campbell, Michael W. Major
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Patent number: 6911462Abstract: This invention relates to a family of phenylbenzimidazole analogs, which are inhibitors of the IgE response to allergens. These compounds are useful in the treatment of allergy and/or asthma or any diseases where IgE is pathogenic.Type: GrantFiled: March 20, 2002Date of Patent: June 28, 2005Assignee: Avanir PharmaceuticalsInventors: Jagadish C. Sircar, Mark L. Richards, Michael G. Campbell, Michael W. Major
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Publication number: 20040109295Abstract: An appliance circuitry housing is designed so a circuit board can be attached directly to the housing interior with circuit board electric terminals being accessible from the housing exterior. An integral door on the housing exterior can be pivoted to a closed position over the electric terminals and connected plugs. A plurality of housing legs with slots engage in openings in the appliance to secure the housing to the appliance. A resilient latch on the housing exterior holds the housing in its attached position to the appliance.Type: ApplicationFiled: December 5, 2002Publication date: June 10, 2004Inventors: Michael W. Major, Stephen J. Burton
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Publication number: 20030100582Abstract: This invention relates to a family of phenylbenzimidazole analogs, which are inhibitors of the IgE response to allergens. These compounds are useful in the treatment of allergy and/or asthma or any diseases where IgE is pathogenic.Type: ApplicationFiled: March 20, 2002Publication date: May 29, 2003Inventors: Jagadish C. Sircar, Mark L. Richards, Michael G. Campbell, Michael W. Major