Patents by Inventor Michael J. Hanson

Michael J. Hanson 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).

  • Patent number: 11462916
    Abstract: A capacitor pre-charge circuit configured to avoid inrush to a capacitor can include a plurality of components configured to ramp a pre-charge voltage over time up to a voltage maximum such that the a pre-charge voltage-over-time curve is not an asymptote. The plurality of components can be configured to linearly ramp voltage, for example, to the voltage maximum. In certain embodiments, the circuit can include an integrated voltage sense circuit.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: October 4, 2022
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Michael J. Hanson
  • Patent number: 11448710
    Abstract: A regenerative load system includes a voltage input and a load current regulator electrically connected to the voltage input. The system includes a fly back rectifier electrically connected to the load current regulator. A current output is electrically connected to the fly back rectifier. A system for regeneratively testing electrically powered equipment includes a power source. The system includes a unit under test (UUT) having a voltage input electrically connected to the power source, a regenerative load system electrically connected to the UUT. The regenerative load system (RLS) includes a RLS voltage input electrically connected to the UUT, a load current regulator electrically connected to the RLS voltage input, a fly back rectifier electrically connected to the load current regulator, and a current output electrically connected to the fly back rectifier. The current output is configured and adapted to provide current the UUT and/or the power source.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: September 20, 2022
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Michael J. Hanson
  • Publication number: 20220269632
    Abstract: A dongle for connecting a computerized device to a certified unit under test (UUT) includes a computerized device communication port and a UUT communication port. The dongle also includes a communication module operatively connecting the computerized device communication port and the UUT communication port. The communication module includes an internet protocol (IP) module that supplies an IP address to a computerized device connected to the computerized device communication port, wherein the IP address enables the computerized device to receive signals from and/or send signals to the UUT.
    Type: Application
    Filed: March 1, 2022
    Publication date: August 25, 2022
    Inventors: Michael J. Hanson, Joshua C. Swenson, Ronald G. Knight
  • Patent number: 11336083
    Abstract: A power converter monitor having built-in fault tolerance and containment including a plurality of voltage inputs operatively connected to a pulse timing device, a respective comparator electrically connected to each of the voltage inputs, an and-gate electrically connected in series to each of the comparators and wherein the pulse timing device is operatively connected by the and-gate and a-not gate to each of the voltage inputs configured to reset a detected voltage output fault and provide a converter inhibit pulse if the voltage output fault is detected.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: May 17, 2022
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Michael J. Hanson, Frank Z. Feng
  • Patent number: 11263161
    Abstract: A dongle for connecting a computerized device to a certified unit under test (UUT) includes a computerized device communication port and a UUT communication port. The dongle also includes a communication module operatively connecting the computerized device communication port and the UUT communication port. The communication module includes an internet protocol (IP) module that supplies an IP address to a computerized device connected to the computerized device communication port, wherein the IP address enables the computerized device to receive signals from and/or send signals to the UUT.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: March 1, 2022
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Michael J. Hanson, Josh C. Swenson, Ronald G. Knight
  • Patent number: 11165331
    Abstract: A dual active bridge system can include a plurality of dual active bridges (DABs). Each DAB can have a first side connected in parallel and a second side connected in parallel such that each of the plurality of DABs share a common first side capacitor and a common second side capacitor. The plurality of DABs can be configured to be operated to reduce or eliminate ripple current at the first side capacitor and/or second side capacitor.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: November 2, 2021
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Michael J. Hanson
  • Publication number: 20210135448
    Abstract: A power converter monitor having built-in fault tolerance and containment including a plurality of voltage inputs operatively connected to a pulse timing device, a respective comparator electrically connected to each of the voltage inputs, an and-gate electrically connected in series to each of the comparators and wherein the pulse timing device is operatively connected by the and-gate and a-not gate to each of the voltage inputs configured to reset a detected voltage output fault and provide a converter inhibit pulse if the voltage output fault is detected.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 6, 2021
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Michael J. Hanson, Frank Z. Feng
  • Publication number: 20210135471
    Abstract: A capacitor pre-charge circuit configured to avoid inrush to a capacitor can include a plurality of components configured to ramp a pre-charge voltage over time up to a voltage maximum such that the a pre-charge voltage-over-time curve is not an asymptote. The plurality of components can be configured to linearly ramp voltage, for example, to the voltage maximum. In certain embodiments, the circuit can include an integrated voltage sense circuit.
    Type: Application
    Filed: November 1, 2019
    Publication date: May 6, 2021
    Applicant: Hamilton Sundstrand Corporation
    Inventor: Michael J. Hanson
  • Publication number: 20210135561
    Abstract: A dual active bridge system can include a plurality of dual active bridges (DABs). Each DAB can have a first side connected in parallel and a second side connected in parallel such that each of the plurality of DABs share a common first side capacitor and a common second side capacitor. The plurality of DABs can be configured to be operated to reduce or eliminate ripple current at the first side capacitor and/or second side capacitor.
    Type: Application
    Filed: November 1, 2019
    Publication date: May 6, 2021
    Applicant: Hamilton Sundstrand Corporation
    Inventor: Michael J. Hanson
  • Patent number: 10795668
    Abstract: An assembly for an aircraft according to an example of the present disclosure includes, among other things, a control module including a processor and a local memory that stores a first instance of operational software executable by the processor and that relates to functionality of the control module to selectively control a vehicle system, and a backplane memory device coupled to the control module by a common backplane. The backplane memory device includes shadow memory that stores a second instance of the operational software. A method of synchronizing an assembly is also disclosed.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: October 6, 2020
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Terrence R. Leibham, Michael J. Hanson, Dave Reiter
  • Publication number: 20200292627
    Abstract: A regenerative load system includes a voltage input and a load current regulator electrically connected to the voltage input. The system includes a fly back rectifier electrically connected to the load current regulator. A current output is electrically connected to the fly back rectifier. A system for regeneratively testing electrically powered equipment includes a power source. The system includes a unit under test (UUT) having a voltage input electrically connected to the power source, a regenerative load system electrically connected to the UUT. The regenerative load system (RLS) includes a RLS voltage input electrically connected to the UUT, a load current regulator electrically connected to the RLS voltage input, a fly back rectifier electrically connected to the load current regulator, and a current output electrically connected to the fly back rectifier. The current output is configured and adapted to provide current the UUT and/or the power source.
    Type: Application
    Filed: March 15, 2019
    Publication date: September 17, 2020
    Inventor: Michael J. Hanson
  • Publication number: 20190187978
    Abstract: An assembly for an aircraft according to an example of the present disclosure includes, among other things, a control module including a processor and a local memory that stores a first instance of operational software executable by the processor and that relates to functionality of the control module to selectively control a vehicle system, and a backplane memory device coupled to the control module by a common backplane. The backplane memory device includes shadow memory that stores a second instance of the operational software. A method of synchronizing an assembly is also disclosed.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 20, 2019
    Inventors: Terrence R. Leibham, Michael J. Hanson, Dave Reiter
  • Patent number: 10056840
    Abstract: A regenerative direct current (DC) load includes an input circuit, an output circuit, a low pass filter circuit, and a current regulating circuit. The input circuit is configured to receive electrical power. The output circuit is configured to provide electrical power. The low pass filter circuit is electrically coupled to the output in series. The current regulating circuit is configured to regulate a current of the electrical power. The current regulating circuit is electrically coupled to the input. The current regulating circuit includes a first switch, and a first control circuit. The first switch is electrically coupled between the input circuit and ground. The first control circuit is configured to sense the current and adjust a cycle duration and/or duty cycle of the first switch based upon the sensed current.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: August 21, 2018
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Michael J. Hanson, Daniel Knope
  • Patent number: 9928143
    Abstract: A system and method to manage a single event latched (SEL) condition, the method including operations to monitor, for a predetermined condition associated with single event latched (SEL) states, a reset signal output from a watchdog device to a microprocessor, wherein the reset signal is responsive to a malfunction condition associated with the microprocessor. The method further includes operations to control provision of power to the microprocessor in response to detection of the predetermined condition.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: March 27, 2018
    Assignee: Hamilton Sundstrand Corporation
    Inventors: John A. Dickey, Michael J. Hanson, Daniel Knope, Matt Earing
  • Publication number: 20170308441
    Abstract: A system and method to manage a single event latched (SEL) condition, the method including operations to monitor, for a predetermined condition associated with single event latched (SEL) states, a reset signal output from a watchdog device to a microprocessor, wherein the reset signal is responsive to a malfunction condition associated with the microprocessor. The method further includes operations to control provision of power to the microprocessor in response to detection of the predetermined condition.
    Type: Application
    Filed: April 20, 2016
    Publication date: October 26, 2017
    Applicant: Hamilton Sundstrand Corporation
    Inventors: John A. Dickey, Michael J. Hanson, Daniel Knope, Matt Earing
  • Publication number: 20160154754
    Abstract: A dongle for connecting a computerized device to a certified unit under test (UUT) includes a computerized device communication port and a UUT communication port. The dongle also includes a communication module operatively connecting the computerized device communication port and the UUT communication port. The communication module includes an internet protocol (IP) module that supplies an IP address to a computerized device connected to the computerized device communication port, wherein the IP address enables the computerized device to receive signals from and/or send signals to the UUT.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 2, 2016
    Inventors: Michael J. Hanson, Josh C. Swenson, Ronald G. Knight
  • Publication number: 20160149380
    Abstract: A power control system includes a circuit board, a bus bar, and a distribution bar. The bus bar is connected to the circuit board and configured to receive input power from an external power source. The distribution bar is connected to receive the input power from the bus bar. The distribution bar includes a first section connectable to the bus bar to receive the input power, a second section configured to carry the input power from the first section, a third section connectable to the circuit board, and a power switch connected to the second section and configured to selectively distribute the input power as output power to at least one load. The first section and the third section extend away from the second section.
    Type: Application
    Filed: November 20, 2014
    Publication date: May 26, 2016
    Inventors: John A. Dickey, Robert C. Cooney, Michael J. Hanson, Donald G. Kilroy, Christian Miller
  • Patent number: 7375499
    Abstract: A fault-tolerant synchronisation source for excitation control of a three-phase generator system that combines point of regulation (POR) signals representing parameters comprising voltage and current for each phase at the POR to generate a fault-tolerant synchronisation signal.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: May 20, 2008
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Vijay K. Maddali, Michael J. Hanson
  • Patent number: 5920162
    Abstract: A motor generator system in accordance with the invention includes a prime mover (21) for driving an output shaft (18); a main motor generator (16, 105), having a rotor driven by the output shaft, for producing electrical power on a plurality of stator phase windings (36a-36c) in response to the prime mover rotating the output shaft and for driving the output shaft in response to operation as a motor, an exciter (14, 102), having a rotor driven by the output shaft, for applying excitation to a field winding (34) of the main motor generator during operation for producing electrical power on the plurality of phase windings and for applying current to the field winding of the main motor generator to produce a magnetic field in the field winding during operation of the main motor generator as a motor, a time varying signal source (200) for applying a time varying signal having a fundamental frequency 202 to a field winding (28) of the exciter, a main inverter (114), responsive to signal (302) representing a rotar
    Type: Grant
    Filed: August 5, 1996
    Date of Patent: July 6, 1999
    Assignee: Sundstrand Corporation
    Inventors: Michael J. Hanson, Gregory I. Rozman
  • Patent number: 5747971
    Abstract: A motor generator system (120) in accordance with the invention includes a prime mover (21) for driving an output shaft (18), a main motor generator (105), having a rotor driven by the output shaft, for producing electrical power on at least one output winding (36a-36c) in response to the prime mover rotating the output shaft and for driving the output shaft in response to operation as a motor; an exciter (102) for applying excitation to a field winding (34) of the main motor generator during operation for producing electrical power on the at least one output winding and for applying current to the field winding of the main motor and generator to produce a magnetic field in the field winding during operation of the main motor generator as a motor; circuitry (122), responsive to current in a field winding (204) of the exciter, for producing an output signal representing a position of the rotor of the main motor generator driven by the output shaft; and a main inverter (114), responsive to the output signal, fo
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: May 5, 1998
    Assignee: Sundstrand Corporation
    Inventors: Gregory I. Rozman, Albert L. Markunas, Michael J. Hanson, Leland E. Weber