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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Gieras; Jacek F.
Address:
Glastonbury, CT
No. of patents:
20
Patents:












Patent Number Title Of Patent Date Issued
8299677 Transverse regulated flux machine October 30, 2012
A machine has a rotor to be associated with a shaft. The rotor is provided with permanent magnets. A stator has pole pieces, including a main winding and flux diverters separating the main winding from a control coil. Control is provided for controlling the power passing through the
8299669 Rim driven thruster having transverse flux motor October 30, 2012
A rim driven thruster comprises an annular housing, a propulsor assembly, a magnetic rotor assembly and a transverse flux stator assembly. The annular housing defines a flow path extending along an axis. The propulsor assembly is supported within the housing and comprises propeller b
8222775 Electromechanical energy harvesting system July 17, 2012
A method of electromechanical energy harvesting includes sensing electrical current generated by relative movement of a coil and a magnetic flux source produced by movement of a cantilevered beam in response to ambient vibration energy, determining a vibration characteristic of the a
8209107 Electric motor for fuel pump with improved shutdown features June 26, 2012
An electric motor for a fuel pump is provided with a shutdown switch positioned intermediate an inverter, and its control coil. In this location, the shutdown function can be achieved without heavy components. In another feature, when the fuel pump is shut down, a signal is sent upst
8201774 Electromagnetic landing gear brakes June 19, 2012
An electromagnetic control for the landing gear of an aircraft includes a hub to be fixed to a frame of an aircraft landing gear. A rotor rotates with a tire on the aircraft landing gear. Permanent magnetic disks are associated with the rotor, and interspersed with disks on the hub. Some
8201665 Magnetic door coupling device for an elevator system June 19, 2012
An exemplary magnetic coupling device (30) useful for coupling elevator doors includes a core (40) having an exterior surface. An active portion (48) of the surface is configured to direct a magnetic flux associated with the core in a desired direction for facilitating elevator door
8148867 Permanent magnet brushless machine with magnetic flux regulation April 3, 2012
A permanent magnet machine (PMM) has a generally cylindrical permanent magnet (PM) rotor that has multiple PM rotor poles arranged around a rotor axis of rotation; and a stator with two generally cylindrical and concentric yokes, an inner yoke proximate the PM rotor with associated m
8134331 Motor drive system with flux regulated PM generator March 13, 2012
A method of generating and controlling power for an alternating current (AC) motor by means of at least one controlled permanent magnet machine (PMM) with a permanent magnet (PM) rotor and a stator with a magnetic flux diverter circuit for controlling the output of the PMM, comprises
8085003 Voltage regulated permanent magnet generator December 27, 2011
A single phase AC generator uses a rotor contained within a stator. The stator has an armature winding and a control winding which is capable of having its magnetic permeability adjusted, thereby limiting the output voltage of the armature winding. The stator additionally has two core
8080960 Direct flux regulated permanent magnet brushless motor utilizing sensorless control by DC and AC December 20, 2011
A flux regulated permanent magnet brushless motor has a stator having an inner peripheral bore. A permanent magnet rotor is mounted within the inner peripheral bore. A control winding is supplied to a DC current to regulate flux of the machine. A small AC current is also supplied and an
8030807 Electromechanical energy harvesting system October 4, 2011
An ambient energy harvesting system, and method of use thereof, includes a magnetic flux-generating assembly (28), a coil (30) positioned adjacent to the magnetic flux-generating assembly (28), and a cantilevered arm (24). Vibration of the cantilevered arm (24) enables relative movement
7885089 Electric power generation and conversion with controlled magnetics February 8, 2011
A power conversion system comprises: a source of multiphase high frequency alternating current (AC) electrical input power; a high frequency controlled magnetics transformer for each phase of the multiphase high frequency AC input power, with each transformer having a primary winding
7859231 Permanent magnet electric generator with variable magnet flux excitation December 28, 2010
A permanent magnet (PM) electric generator with directly controllable field excitation control comprises: a drive shaft; a PM rotor assembly with multiple PMs arranged around an outer axial periphery of the rotor assembly; a stator assembly comprising a ferromagnetic stator yoke, mul
7843155 Direct flux regulated permanent magnet brushless motor utilizing sensorless control November 30, 2010
A permanent magnet rotor for use in a flux regulated permanent magnet brushless machine is constructed such that the inductance along the direct and quadrature axes is markedly different to provide sensorless position feedback for the rotor.
7830057 Transverse flux machine November 9, 2010
A transverse flux machine (TFM) includes a stator assembly that provides a plurality of U-shaped magnetic circuits placed circumferentially around a rotor assembly. The plurality of U-shaped magnetic circuits being comprised of a first stator segment, a second stator segment, and a p
7823699 Electromagnetically operated elevator door lock November 2, 2010
An electromagnetic door lock assembly (30) includes a first portion (32) supported relative to hoistway doors (22) and a second portion (34) supported for movement with an elevator car (24). The first and second portions cooperate so that electromagnetic interaction between them unlo
7777384 Permanent magnet dynamoelectric machine with variable magnetic flux excitation August 17, 2010
A permanent magnet (PM) dynamoelectric machine with directly controllable field excitation control comprises: a drive shaft; a PM rotor assembly with multiple PMs arranged around an outer axial periphery of the rotor assembly; a stator assembly comprising a ferromagnetic stator yoke,
7650970 Elevator door lock sensor device including proximity sensor elements in a selected geometric pat January 26, 2010
An elevator door lock assembly (30) includes a sensor device (40) for providing an indication of a properly locked door. A plurality of proximity sensor elements (42, 44) interact with activating elements (52, 54) when the door lock assembly (30) is properly locked. In disclosed exam
7124495 Method for making an electric motor October 24, 2006
Transverse flux electric motors are made using a unique process where individual components are premade and then assembled together. A stator portion is made by nesting a coil between two stator core portions. In a disclosed example, distinct first and second stator core portions are
6952068 Fabricated components of transverse flux electric motors October 4, 2005
Transverse flux electric motors are made using a unique process where individual components are premade and then assembled together. A stator portion is made by nesting a coil between two stator core portions. The stator core portions are made from laminations or sintered powder mate










 
 
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