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).
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Patent number: 11462916Abstract: 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: GrantFiled: November 1, 2019Date of Patent: October 4, 2022Assignee: Hamilton Sundstrand CorporationInventor: Michael J. Hanson
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Patent number: 11448710Abstract: 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: GrantFiled: March 15, 2019Date of Patent: September 20, 2022Assignee: Hamilton Sundstrand CorporationInventor: Michael J. Hanson
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Publication number: 20220269632Abstract: 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: ApplicationFiled: March 1, 2022Publication date: August 25, 2022Inventors: Michael J. Hanson, Joshua C. Swenson, Ronald G. Knight
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Patent number: 11336083Abstract: 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: GrantFiled: November 5, 2019Date of Patent: May 17, 2022Assignee: Hamilton Sundstrand CorporationInventors: Michael J. Hanson, Frank Z. Feng
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Patent number: 11263161Abstract: 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: GrantFiled: December 2, 2014Date of Patent: March 1, 2022Assignee: Hamilton Sundstrand CorporationInventors: Michael J. Hanson, Josh C. Swenson, Ronald G. Knight
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Patent number: 11165331Abstract: 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: GrantFiled: November 1, 2019Date of Patent: November 2, 2021Assignee: Hamilton Sundstrand CorporationInventor: Michael J. Hanson
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Publication number: 20210135448Abstract: 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: ApplicationFiled: November 5, 2019Publication date: May 6, 2021Applicant: Hamilton Sundstrand CorporationInventors: Michael J. Hanson, Frank Z. Feng
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Publication number: 20210135471Abstract: 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: ApplicationFiled: November 1, 2019Publication date: May 6, 2021Applicant: Hamilton Sundstrand CorporationInventor: Michael J. Hanson
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Publication number: 20210135561Abstract: 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: ApplicationFiled: November 1, 2019Publication date: May 6, 2021Applicant: Hamilton Sundstrand CorporationInventor: Michael J. Hanson
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Patent number: 10795668Abstract: 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: GrantFiled: December 20, 2017Date of Patent: October 6, 2020Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Terrence R. Leibham, Michael J. Hanson, Dave Reiter
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Publication number: 20200292627Abstract: 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: ApplicationFiled: March 15, 2019Publication date: September 17, 2020Inventor: Michael J. Hanson
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Publication number: 20190187978Abstract: 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: ApplicationFiled: December 20, 2017Publication date: June 20, 2019Inventors: Terrence R. Leibham, Michael J. Hanson, Dave Reiter
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Patent number: 10056840Abstract: 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: GrantFiled: December 6, 2017Date of Patent: August 21, 2018Assignee: Hamilton Sundstrand CorporationInventors: Michael J. Hanson, Daniel Knope
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Patent number: 9928143Abstract: 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: GrantFiled: April 20, 2016Date of Patent: March 27, 2018Assignee: Hamilton Sundstrand CorporationInventors: John A. Dickey, Michael J. Hanson, Daniel Knope, Matt Earing
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Publication number: 20170308441Abstract: 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: ApplicationFiled: April 20, 2016Publication date: October 26, 2017Applicant: Hamilton Sundstrand CorporationInventors: John A. Dickey, Michael J. Hanson, Daniel Knope, Matt Earing
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Publication number: 20160154754Abstract: 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: ApplicationFiled: December 2, 2014Publication date: June 2, 2016Inventors: Michael J. Hanson, Josh C. Swenson, Ronald G. Knight
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Publication number: 20160149380Abstract: 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: ApplicationFiled: November 20, 2014Publication date: May 26, 2016Inventors: John A. Dickey, Robert C. Cooney, Michael J. Hanson, Donald G. Kilroy, Christian Miller
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Patent number: 7375499Abstract: 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: GrantFiled: January 14, 2005Date of Patent: May 20, 2008Assignee: Hamilton Sundstrand CorporationInventors: Vijay K. Maddali, Michael J. Hanson
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Patent number: 5920162Abstract: 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 rotarType: GrantFiled: August 5, 1996Date of Patent: July 6, 1999Assignee: Sundstrand CorporationInventors: Michael J. Hanson, Gregory I. Rozman
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Patent number: 5747971Abstract: 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, foType: GrantFiled: August 8, 1996Date of Patent: May 5, 1998Assignee: Sundstrand CorporationInventors: Gregory I. Rozman, Albert L. Markunas, Michael J. Hanson, Leland E. Weber