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Nidec Motor Corporation patents (2015 archive)


Recent patent applications related to Nidec Motor Corporation. Nidec Motor Corporation is listed as an Agent/Assignee. Note: Nidec Motor Corporation may have other listings under different names/spellings. We're not affiliated with Nidec Motor Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nidec Motor Corporation-related inventors


12/31/15 / #20150381094

Independent pathways for detecting fault condition in electric motor

An electric motor system having substantially independent hardware-based and software-based pathways for detecting and initiating responses to fault conditions, such as over-current conditions, in an electric motor which is powered by a power inverter which is controlled by a power module and a microprocessor. Each pathway involves comparing a voltage, which is representative of an electric current flowing to the motor, to a predetermined maximum voltage, and if the former exceeds the latter using hardware or software to initiate shutting off the motor, such as by shutting off the power inverter. ... Nidec Motor Corporation

12/31/15 / #20150381093

System and method for detecting and controlling a motor

A system including an electric motor and a control software operable to control the operation of a plurality of different types of electric motors. The control software is provided with or identifies a particular control algorithm from among a plurality of such algorithms and/or a particular set of operational parameters from among a plurality of such sets for the motor with which it is assembled. ... Nidec Motor Corporation

12/31/15 / #20150381091

System and method for estimating motor resistance and temperature

A system and method for determining electrical angles of electric motors at zero and low speeds without using angle sensors, and a system and method for estimating resistances and temperatures in electric motors, wherein the two systems and methods may be used separately or together. When used together, they substantially simultaneously estimate motor flux linkage, magnet flux, and motor resistance. ... Nidec Motor Corporation

12/31/15 / #20150381090

Sensorless system and method for determining motor angle at zero or low speeds

A system and method for determining electrical angles of electric motors at zero and low speeds without using angle sensors, and a system and method for estimating resistances and temperatures in electric motors, wherein the two systems and methods may be used separately or together. When used together, they substantially simultaneously estimate motor flux linkage, magnet flux, and motor resistance. ... Nidec Motor Corporation

12/31/15 / #20150381086

Fan motor power supply

A fan having one fan blade; a fan motor for rotating the fan blade; a motor control electrically coupled with the fan motor for controlling operational characteristics of the fan motor; and a power supply having a step-down high efficiency buck converter, a step-down low drop-out linear regulator, and/or a step-down switching regulator are described. The power supply may receive a first input voltage and lower the first input voltage to a second lower voltage. ... Nidec Motor Corporation

12/31/15 / #20150381022

Stator with overmolded core and mold for producing same

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. ... Nidec Motor Corporation

12/31/15 / #20150381006

Motor with backing ring diecast in rotor can

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. ... Nidec Motor Corporation

12/31/15 / #20150380998

Motor having spoked outer rotor with spaced apart pole segments

An electric motor is provided. The electric motor comprises a stator and a rotor rotatable about an axis and spaced at least in part radially outside the stator. ... Nidec Motor Corporation

12/31/15 / #20150377241

Large diameter fan having low profile radial air gap motor

An electric fan includes blades and an outer rotor motor for rotating the blades. The motor includes a rotor rotatable about an axis and a generally toroidal stator including a core and electrically conductive wiring wound about the core. ... Nidec Motor Corporation

12/31/15 / #20150376829

Electronically controlled switch for an electric motor

A system in which the operation of an electric motor is controlled by electronically controlled switches. The system includes the motor having a run winding and a start winding, a heating component, and a motor control subsystem. ... Nidec Motor Corporation

12/17/15 / #20150365026

Single-shunt current sensing for multi-phase motor

A motor controller for providing a three-phase alternating current (ac) signal to a three-phase motor. The motor controller uses current feedback from a single shunt to monitor or control the three phase ac signal. ... Nidec Motor Corporation

12/17/15 / #20150365023

Motor interface controller having an integrated power supply

A motor assembly broadly includes a motor, a motor controller, and an interface controller having an integrated power supply. The integrated power supply includes an ac to dc power conversion and voltage reduction component. ... Nidec Motor Corporation

12/03/15 / #20150349685

System and method for starting an electric motor

A system and method for starting electric motors. A controller attempts to start a motor without applying a brake to the rotor. ... Nidec Motor Corporation

12/03/15 / #20150349604

Side-mounted integrated motor conduit and interface box

An electric motor is provided. The motor includes a stator and a rotor. ... Nidec Motor Corporation

11/12/15 / #20150325395

Centrifugal actuator switch with a limiter for spring movement

A centrifugal actuator switch includes a sleeve having a collar on which two protuberances are formed. Each protuberance engages a biasing member to limit movement of the biasing member when weighted lever arms of the switch are extended by centrifugal force as they rotate at a predetermined rotational speed.. ... Nidec Motor Corporation

11/05/15 / #20150318752

Motor with sealed controller housing

An electric motor is provided. The motor is mountable to a machine. ... Nidec Motor Corporation

10/22/15 / #20150303604

Electrical connector with female terminal and motor with such an electrical connector

The invention relates to an electrical connector comprising, a female terminal, including a terminal base body; one or more pairs of terminal plates facing each other, protruding in an insertion direction from the edge of the terminal base body, for receiving and connecting to a mating male terminal and the one or more pairs of terminal plates facing each other being adapted to form recesses for receiving the mating male terminal and to provide a clamping compressive force against the mating male terminal; and one or more tilting restriction elements, a connector cavity for building the female terminal in, and an opening of the electrical connector for inserting a mating male terminal for connecting the mating male terminal with the female terminal, wherein the connector cavity includes one or more contacting portions corresponding to the tilting restriction elements.. . ... Nidec Motor Corporation

09/17/15 / #20150257626

Offset inlet dishwasher pumps

A dishwasher pump assembly according to one example embodiment includes a pump having a housing and a pumping chamber within the housing. The pumping chamber includes a fluid inlet and a fluid outlet. ... Nidec Motor Corporation

09/10/15 / #20150256054

Ground ring and enclosure in an electric motor

An enclosure for a ground ring includes an enclosure housing configured to accept a ground ring and hold the ground ring in a predetermined position around a shaft that is electrically connected to a drive shaft of an electric motor. The ground ring having a first opening for the drive shaft and the enclosure housing has a second opening for the drive shaft. ... Nidec Motor Corporation

09/10/15 / #20150256047

Motor including removable weights for balancing

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. ... Nidec Motor Corporation

08/13/15 / #20150229187

Internal rotor sensor having adjustable sensor carrier

An electric motor is provided. A rotor sensor mechanism is operable to sense a condition of the rotor. ... Nidec Motor Corporation

08/13/15 / #20150229180

Tapered bearing housing at coupled end of close-coupled motor

An electric motor is provided. The rotor includes a rotor shaft, with a bearing rotatably supporting the rotor shaft. ... Nidec Motor Corporation

08/13/15 / #20150229179

Rotor shaft jack

An electric motor is provided. The motor includes a motor frame assembly including a motor frame and a motor housing. ... Nidec Motor Corporation

08/13/15 / #20150229167

Stator cage for large motor

An electric motor is provided. The stator includes a core and a stator cage. ... Nidec Motor Corporation

08/13/15 / #20150226805

Systems, devices, and methods for motor monitoring

A data acquisition device that can be coupled with any motor, even those already in service, to automatically monitor the operation of the motor and provide alerts when the motor is in need of repair or replacement. The data acquisition device senses conditions of the motor and transmits sensor data to a computer system or other remote monitoring device so that the remote monitoring device can determine if the motor needs to be repaired or replaced. ... Nidec Motor Corporation

07/30/15 / #20150214806

Actuator overspeed guard

A location and retention component is provided for positively locating an overspeed guard and retaining a centrifugal actuator at an optimum positional relationship relative to each other. The system includes a first and second retention element removably engagable to the output shaft of a motor and axially fixable to the shaft at corresponding locations to maintain the optimum positional relationship. ... Nidec Motor Corporation

06/25/15 / #20150180298

Motor stator with reduced coil configuration

A motor is provided for use in a machine. The motor includes a segmented stator comprising magnetically isolated core segments.. ... Nidec Motor Corporation

06/25/15 / #20150180293

Connection of rotor core assembly and rotor shaft at an electrical machine

A rotor core (100, 110) for an electrical motor with a rotational axis (6) and a central opening (200) to take up a shaft (4) of the electrical motor turning around the rotational axis (6), with the central opening (200) having a peripheral edge (201) with at least one attachment section (242), designed for attachment of the rotor core to the shaft by press fit, and at least one centering section (244), wherein the at least one centering section (244) and the at least one attachment section (242) are placed in different sections of the peripheral edge (201) in the circumferential direction (tangentially).. . ... Nidec Motor Corporation

06/18/15 / #20150171699

Electric motor assemblies including stator and/or rotor cooling

An electric motor assembly including a stator having a stator core and windings around the stator core is disclosed. The stator core has opposing ends and an outer surface extending between the opposing ends. ... Nidec Motor Corporation

05/28/15 / #20150145361

Integrated dirct drive motor and control

An outer rotor motor is provided for use in a machine. The motor includes a rotor and a stator. ... Nidec Motor Corporation

04/23/15 / #20150108928

Systems and methods for braking an electric motor

A motor controller for an electric motor having a stator and a rotor. The motor controller includes a power input for receiving ac power from a power source; a control input for receiving a control signal from a control; and circuitry for switching power from the power source to the electric motor in response to the control signal. ... Nidec Motor Corporation

04/02/15 / #20150091396

End shield with extrusions for mounting the end shield to a stator stack

A mounting feature plate rigidly mounts a mounting feature to a stator of an electrical motor in proximity to an end shield to help maintain a predetermined air gap between a rotor and a stator in the electrical motor. The mounting feature plate includes a planar member, an offset member extending from the planar member that has a mounting feature configured to mount an electrical motor within an appliance, and a pair of flanges extending from the planar member. ... Nidec Motor Corporation

03/26/15 / #20150084571

Methods and systems for selecting and programming replacement motors

Methods and systems for replacing hvac blower motors and other electric motors are disclosed including systems and methods for gathering and storing information about motors that may need to be replaced, systems and methods for selecting replacement motors, and systems and methods for programming the replacement motors. The systems and methods allow a select few replacement motors to be programmed to replace nearly any original motor.. ... Nidec Motor Corporation

03/26/15 / #20150084568

Systems, methods, and assemblies for detecting stoppage of electric motors

A motor controller for an electric motor having a stator and a rotor. The motor controller includes a power input for receiving ac power from a power source; a control input for receiving a control signal from a control; and circuitry for switching power from the power source to the electric motor in response to the control signal. ... Nidec Motor Corporation

03/19/15 / #20150076955

Dual-out stator lamination for outer rotor motor

A stator formed of a dual-out stator lamination is disclosed. The stator comprises a generally annular core including a plurality of arcuately spaced apart teeth. ... Nidec Motor Corporation

03/19/15 / #20150076954

Wedge for stator having overmolded insulation

A stator for use in an electric motor is disclosed. The stator comprises an annular core, a plurality of wedges, and a plurality of wedge-retaining structures. ... Nidec Motor Corporation

03/19/15 / #20150076933

Stator tooth wire retention wings

An overmolded stator for use in an electric motor is disclosed. The stator core includes a yoke and a plurality of arcuately spaced apart teeth extending at least substantially radially from the yoke. ... Nidec Motor Corporation








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