Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8188627 | Temperature protection device for brushless DC motor A temperature protection device for a brushless DC Motor, wherein a thermal fusing type protector is provided at a depression formed on a casing of the plastic-packaged brushless DC Motor. In this way, the thermal fusing type protector can be provided conveniently a... | 05/29/2012 |
| 8022584 | Stator of a dynamoelectric machine equipped with temperature detection A stator for a dynamoelectric machine includes a stator body having slots and a winding system positioned in the slots of the stator body and having coils terminating in winding heads on end faces of the stator body, wherein each slot receives different coil sides o... | 09/20/2011 |
| 8004130 | Rotating electric machine and manufacturing method therefor There is provided a rotating electric machine including a rotation sensor unit capable of demonstrating a shielding effect over a wide frequency bandwidth and a manufacturing method therefor. In the rotating electric machine, a power unit provided with a switching e... | 08/23/2011 |
| 7944099 | Starter Provided is a starter that can ensure stable insulation and exhibits excellent leakage resistance. The starter includes: a starting motor realized with a dc motor that has a commutator, positive brushes which are disposed around the commutator to abut on the commuta... | 05/17/2011 |
| 7863786 | Drive apparatus for a washing machine A drive apparatus for a washing machine includes an electric motor, a drive shaft connected to the electric motor for rotary drive purposes and electronics for controlling operation of the electric motor. In order to achieve a compact construction, the electric moto... | 01/04/2011 |
| 7830050 | Brushless automotive alternator having easily-replaceable protective resistor A brushless alternator includes a stationary field winding, a rotor, a stator, a rectifier, a terminal, and a protective resistor. The stationary field winding creates a magnetic flux. The rotor creates a rotating magnetic field with the magnetic flux created by the... | 11/09/2010 |
| 7679235 | Engine starter with protective function against over current In a starter for starting an engine having a motor to which starting current is supplied from a battery, the motor has a field coil for forming a magnetic field with the supply of current, and the starter has wiring for supplying current from the battery to the fiel... | 03/16/2010 |
| 7633197 | Dynamoelectric machine A dynamoelectric machine enabling stator winding temperature detecting precision of a temperature measuring means to be improved while also improving assembly of the dynamoelectric machine is provided. The dynamoelectric machine according to the present inven... | 12/15/2009 |
| 7622835 | Motor protector attachment system A motor protector receiving bracket (10) is shown for use with a multiphase motor protector having at least two terminal pins (4 and 5). The bracket has a back wall formed with first (12e) and second (12h) slots for r... | 11/24/2009 |
| 7605504 | Fault-tolerant permanent magnet machine with reconfigurable stator core slot flux paths A permanent magnet (PM) machine has a reconfigurable fault condition mechanism disposed solely within a stator core portion, wherein the mechanism is automatically reconfigurable to reduce fault currents associated with the PM machine during a fault condition. The r... | 10/20/2009 |
| 7605503 | Fault-tolerant permanent magnet machine with reconfigurable stator core slot opening and back iron flux paths A permanent magnet (PM) machine includes a plurality of reconfigurable fault condition mechanisms disposed within a stator core portion, the plurality of reconfigurable fault condition mechanisms together automatically reconfigurable to reduce fault currents and int... | 10/20/2009 |
| 7541705 | Fault-tolerant permanent magnet machine with reconfigurable flux paths in stator back iron A permanent magnet (PM) machine has a fault condition mechanism disposed within a back iron of the stator portion, the mechanism operational to automatically reduce fault currents associated with the PM machine during a fault condition. The fault condition mechanism... | 06/02/2009 |
| 7535136 | Protector mounting apparatus for protector mounted on the windings of a motor A motor includes a protector electrically connected to the windings and positioned on the coil. A rigid bracket is sized and shaped to receive the protector. A fastening system extends over the coil, bracket and the protector and compresses the bracket against the c... | 05/19/2009 |
| 7528511 | Cooling system for a vehicle drive assembly A cooling system for use in a vehicle drive assembly having an electric drive with a rotor and a stator is disclosed. The cooling system is adapted to cool the rotor via a liquid coolant or by directing a cooling air flow between the rotor and stator using an indepe... | 05/05/2009 |
| 7501728 | Electric machine with a winding support assembly and a measuring system An electric machine, in particular a motor, includes a winding support assembly and a measuring system, preferably an infrared measuring system, The measuring system has at least one sensor and an evaluation unit, whereby the measuring system is integrated in the wi... | 03/10/2009 |
| 7420307 | Brushless motor The invention relates to a brushless DC motor having an at least two-pole permanent magnet rotor and an at least two-pole stator whose poles carry an at least single-strand stator winding which can be energized with a current according to the rotor position by means... | 09/02/2008 |
| 7402925 | Stator for an electric motor having a temperature monitor A stator for an electric motor, in particular for an external rotor motor, includes a laminated stator core which is provided with a stator winding and having a connecting arrangement, which is arranged on one end side in the region of an end winding of the stator w... | 07/22/2008 |
| 7372676 | Motor coil-shorting detecting unit In order to be acceptable for safety critical applications, it is necessary for an electrical machine to allow continued operation despite an electrical short circuit in one of the operational phases of that electrical machine. It will be appreciated that an electri... | 05/13/2008 |
| 7372356 | Concealed adjustable temperature switch A concealed adjustable temperature switch includes a fixed plate, an adjusting block threadedly engaged with a screw hole of the fixed plate, a bimetal plate, and a metal plate. Mounted on the adjusting block are upper and lower positioning rings and a fixing ring b... | 05/13/2008 |
| 7362020 | Commutator housing with an overcurrent protection device A commutator housing for a direct-current motor includes conductive tracks and two Lyre-shaped connectors each inserted in one of the conductive tracks. An overcurrent protection device is inserted in series in the conductive tracks, and electrical connection pins o... | 04/22/2008 |
| 7345389 | Motor, motor having encoder, and multi-direction input device A motor includes a casing and a holder which support a rotation shaft. A concave groove is formed in the holder near the inner periphery of the holder. The concave groove accommodates a positive temperature coefficient thermistor functioning as an overcurrent protec... | 03/18/2008 |
| 7339295 | Electric machine with improved temperature monitoring system An electric machine includes a heat-generating machine component, and a temperature radiation detector for contactless determination and/or measurement of heat radiating from the machine component for ascertaining an absolute and current temperature of the machine c... | 03/04/2008 |
| 7319299 | Determining types of cooling fans used in a personal computer thereby using optimum parameters to control each unique cooling fan A cooling fan, system and method for controlling cooling fans in a personal computer. A unique series of sensing points is placed on a rotating hub of a cooling fan in order to uniquely identify the particular type of cooling fan. A tachometer sensor mounted in the ... | 01/15/2008 |
| 7312550 | Architecture for electric machine In one aspect, an alternator is described which includes a current control apparatus including a stator winding and a control winding, wherein current control in the control winding regulates the stator winding. In another aspect, a gas turbine engine includes a mul... | 12/25/2007 |
| 7309938 | Rotary power converter A rotary power converter apparatus for coupling power between a prime driver and plural generators. The apparatus includes a frame having a first and second bearing aligned along an axis of rotation and a rotor assembly supported thereby. The rotor assembly includes... | 12/18/2007 |
| 7304446 | Sensorless and brushless DC motor A sensorless and brushless motor is disclosed including a stator, a rotor, a control circuit and an induction coil (50). The stator includes a stator core (30) and a stator coil (34) wound around the stator core. The rotor includes a rotor magne... | 12/04/2007 |
| 7301251 | Actuator equipped with an electronic card with an arrangement for limiting electromagnetic radiations The invention concerns an actuator. In a common housing are a motor contained in a metallic casing and an electronic card adapted to control the motor. The casing is electrically connected to a ground. This connection is made by a deformable element, whose deformati... | 11/27/2007 |
| 7288923 | Voltage-limited electric machine An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different portions of the winding which may be configured relative to one another... | 10/30/2007 |
| 7288922 | Control apparatus for automotive alternator having capability to accurately detect temperature of alternator A control apparatus for a vehicle generator includes a switch, a regulator, a fault condition detector, and a PWM signal generator. The switch is selectively turned on and off so as to intermittently excite the generator. The regulator controls on/off operation of t... | 10/30/2007 |
| 7288867 | Drive for an adjuster device in a motor vehicle A drive for an adjuster device in a motor vehicle. The drive includes a drive motor, a drive element mounted to rotate about a drive axis, and a self-locking device for the drive element, which, when the drive motor is not energized, locks the drive element with the... | 10/30/2007 |
| 7276871 | System and method for fault protection for permanent magnet machines A fault protection system and method of fault protection for permanent magnet machine (PMM)-based systems that utilize machine neutral decoupling (MND) to shut down a shorted winding and/or to isolate a short-circuit fault to prevent damage to a permanent magnet mac... | 10/02/2007 |
| 7270577 | Connector module and motor utilizing the same A connector module and motor utilizing the same. The connector module electrically connects the motor and an external device and includes a printed wiring board and a plurality of pins. The printed wiring board comprises at least one circuit line, each of circuit li... | 09/18/2007 |
| 7262679 | Rotary transformer A rotary transformer for coupling electrical power at a high level into a rotor operable at a high rotational speed without the introduction of undesirable electromagnetic torque and problems of dynamic mechanical instability comprises a stationary primary mounted i... | 08/28/2007 |
| 7254881 | Method for manufacturing an armature of a rotation apparatus A motor includes a stator having magnets, a rotor having teeth, a commutator secured to the rotor, and brushes. A coil is wound about each tooth. The commutator is connected to the coils. The brushes slidably contact the commutator. The number of the magnets and the... | 08/14/2007 |
| 7245105 | Single-phase induction motor and method for reducing noise in the same A single-phase induction motor and a method for reducing noise in the same, which can eliminate unbalance between magnetomotive forces of main and auxiliary windings in a stator of the motor, thereby implementing a low noise, low vibration motor, and can also achiev... | 07/17/2007 |
| 7239149 | Search coil mount for facilitating inspection of a generator rotor in situ A mount is for installing a probe, such as for example, a search coil, in a variety of locations and orientations within an electrical generator, without requiring the rotor of the generator to be removed. The mount includes a block having a longitudinal hole and a ... | 07/03/2007 |
| 7230179 | Stray voltage suppression device A stray voltage suppression device includes a motor-driven conductive vane which rotates in planes oriented at least substantially parallel to the ground, with the motor casing being connected to the ground below. The device has been found useful to reduce or elimin... | 06/12/2007 |
| 7222050 | Apparatus for determining overheating of motor, method for determining overheating of motor, computer-readable medium, motor control apparatus, motor control method, and printing apparatus A temperature condition of a motor is estimated more accurately based on a drive amount of the motor. An apparatus for determining overheating of a motor, includes: an information obtaining section that obtains information about a drive amount of a motor and informa... | 05/22/2007 |
| 7218010 | Engine restart apparatus and method The present invention relates to a start-stop “mild hybrid” vehicle with a starting system which utilizes traditional engine and transmission architecture. The present invention separates the pinion actuator solenoid from the starter motor power switching circui... | 05/15/2007 |
| 7218027 | High-power direct current engine comprising a collector and carbon brushes for a racing car serving as prototype A DC motor includes a rotor which is mounted in a housing so that it can rotate about an axis. The rotor includes at least one winding to which direct current is applied from the outside in alternating directions via a commutator, which is arranged on the rotor. Bru... | 05/15/2007 |
