11
Jacek F Gieras, Gregory I Rozman: Voltage regulated permanent magnet generator. Hamilton Sundstrand Corporation, Carlson Gaskey & Olds PC, December 27, 2011: US08085003 (7 worldwide citation)

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 sections.


12
Gregory I Rozman, Jacek F Gieras, Steven J Moss: Generator architecture with PMG exciter and main field rotating power converter. Hamilton Sundstrand Corporation, Kinney & Lange P A, April 26, 2016: US09325229 (5 worldwide citation)

A generator includes a stationary portion and a rotating portion. The stationary portion includes a permanent magnet and a main armature winding. The rotating portion includes a main field winding and a main field rotating power converter that regulates current through the main field winding.


13
Jacek F Gieras, Gregory I Rozman: Rim driven thruster having transverse flux motor. Hamilton Sundstrand Corporation, Kinney & Lange P A, October 30, 2012: US08299669 (5 worldwide citation)

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 blades extending ...


14
Lubomir A Ribarov, Jacek F Gieras: Magnetically coupled contra-rotating propulsion stages. Hamilton Sundstrand Corporation, Kinney & Lange P A, June 18, 2013: US08464511 (5 worldwide citation)

A turbomachine comprises a turbine shaft, first and second rotors, first and second propulsion stages, and a magnetic stator. The first rotor is rotationally coupled to the turbine shaft, and coaxially arranged along an axis. The first propulsion stage is rotationally coupled to the first rotor, opp ...


15
Gregory I Rozman, Jacek F Gieras, Steven J Moss: Variable speed constant frequency system with generator and rotating power converter. Hamilton Sundstrand Corporation, Cantor Colburn, September 16, 2014: US08836293 (5 worldwide citation)

An electric power generating system includes a brushless wound field synchronous generator with n-number of power generating channels and n-number of bidirectional switches alternatively controlled to provide ac power at the output. Each power generating channel includes a control rotating transform ...


16
Muhidin A Lelic, Pei Yuan Peng, Bryan Robert Siewert, Jacek F Gieras, Michael Tracey, Thomas Malone: Elevator door lock sensor device including proximity sensor elements in a selected geometric pattern. Otis Elevator Company, Carlson Gaskey & Olds PC, January 26, 2010: US07650970 (4 worldwide citation)

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 examples, a specific ...


17
Gregory I Rozman, Jacek F Gieras: Direct flux regulated permanent magnet brushless motor utilizing sensorless control by DC and AC excitation. Hamilton Sundstrand Corporation, Carlson Gaskey & Olds PC, December 20, 2011: US08080960 (4 worldwide citation)

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 output is se ...


18
Gregory I Rozman, Jacek F Gieras, Steven J Moss: EPGS architecture with multi-channel synchronous generator and common unregulated PMG exciter. Hamilton Sundstrand Corporation, Cantor Colburn, December 16, 2014: US08912765 (4 worldwide citation)

A generator system includes a generator having a stationary portion and a rotating portion. The generator includes a permanent magnet based exciter with permanent magnets disposed on the stationary portion. A first channel includes a first main field winding and a first main field power converter di ...


19
Gregory I Rozman, Jacek F Gieras: EPGS architecture with multi-channel synchronous generator and common field regulated exciter. Hamilton Sundstrand Corporation, Cantor Colburn, February 9, 2016: US09257889 (3 worldwide citation)

A generator system includes a generator having a stationary portion and a rotating portion. The generator includes an exciter field winding disposed on the stationary portion. A first channel includes a first main field winding and a first main field power converter disposed on a rotating portion. T ...


20
Lubomir A Ribarov, Jacek F Gieras: Transverse flux machine utilized as part of a combined landing gear system. Hamilton Sundstrand Corporation, Carlson Gaskey & Olds PC, March 10, 2015: US08973866 (3 worldwide citation)

A landing gear for an aircraft has a set of axially spaced wheels rotatable about a common axis drive by a transverse flux drive. In another feature, a transverse flux drive includes a first rotor and a second rotor. One of the first and second rotors is positioned radially inwardly of the other. A ...