106 patents
Page 3 of 6
Utility
Fuel cell stack assembly and method of operating the same
19 Apr 22
A fuel cell stack assembly and method of operating the same are provided.
David Edmonston, Martin Perry, James Wilson, Ramesha Guntanur, Paturi Balaji Narasimha Prasad
Filed: 11 Jan 19
Utility
Low VOC ink compositions and methods of forming fuel cell system components using the same
22 Mar 22
A fuel cell system component ink includes a fuel cell system component powder, a solvent including propylene carbonate (PC), and a binder including polypropylene carbonate (PPC).
Andres Leming, Olexa Stavila, Perry Scheetz, Lisa Adams
Filed: 6 Mar 20
Utility
Fuel cell column containing electrically insulated fuel manifold and manifold jumper
8 Mar 22
A fuel cell device includes at least one fuel cell column containing first and second fuel cell stacks, a fuel manifold located between the first and second fuel cell stacks and configured to provide fuel to the first and second fuel cell stacks, and a dielectric material located to electrically isolate the first and second fuel cell stacks from the fuel manifold.
David Edmonston, Michael Petrucha, Martin Perry, Adrian Basharain, Siddharth Patel, Paul Bhangu, Subhash Chander Deswal, Ian Russell, Pawan Patil
Filed: 26 May 20
Utility
Selective grounding of grid parallel inverter systems
8 Mar 22
A method of operating a power generator having a first electrical output electrically connected to a utility grid and a second electrical output electrically connected to a load includes detecting if the first electrical output of the power generator is electrically disconnected from the utility grid, and electrically connecting at least a neutral line of the first electrical output to ground in response to detecting that the first output is electrically disconnected from the utility grid.
Prasad Pmsvvsv, Carl Cottuli, Beau Baker
Filed: 17 Jan 19
Utility
Microgrid with power equalizer bus and method of operating same
22 Feb 22
Various embodiments include methods and systems for implementing managing a microgrid system.
Prasad Pmsvvsv, Ranganathan Gurunathan
Filed: 16 Nov 20
Utility
Interconnect for fuel cell stack
4 Jan 22
Various embodiments include fuel cell interconnects having a fuel distribution portion having an inlet opening, a fuel collection portion having an outlet opening, and a primary fuel flow field containing channels, wherein the fuel distribution portion comprises at least one raised feature defining a fuel distribution flow path, and the fuel distribution flow path is not continuous with the channels in the primary fuel flow field.
Daniel Darga, Cheng-Yu Lin, Vijay Srivatsan
Filed: 28 Aug 13
Utility
Fuel cell ventilation systems
21 Dec 21
A roof cap assembly for a fuel cell system includes a housing, and a cover assembly disposed on the housing and configured to move between a first position and a second position.
David Trevisan, Gilbert Richards, Arne Ballantine, Jessica Mahler, Ross Parker, Zachary Odenheimer
Filed: 4 Sep 19
Utility
Fuel cell system containing water injector and method of operating the same
7 Dec 21
A method of operating a fuel cell system includes providing an anode exhaust from a fuel cell stack to a water injector, supplying water to the water injector, and injecting the water from the water injector into the anode exhaust to vaporize the water and generate a humidified anode exhaust.
David Weingaertner, Ivan Hartana, David Edmonston, Michael Petrucha, Martin Perry
Filed: 14 Jan 20
Utility
Battery as a service
7 Dec 21
Electrochemical impedance spectroscopy (EIS) may include testing various voltages and currents, storing and sending the data to an electrochemical impedance spectroscopy analyzer (EISA) network, where the data may be compared to historical data to determine a battery event as a user action recommendation may provide preferred operating use of a device battery in response correlation of EIS test results and comparison for similarities of EIS test results.
Arne Ballantine, John Cronin, Joseph Bodkin
Filed: 25 Mar 19
Utility
Electrochemical impedance spectroscopy analyzer (“EISA”) battery performance database
9 Nov 21
Electrochemical impedance spectroscopy (EIS) data collected over a period of time for a large number of batteries and different types of batteries, may be collected and analyzed to generate or refine a learned database of EIS waveforms and induction responses to perform in-situ analysis of the battery and suggest optimal time for charging the battery.
Arne Ballantine, John Cronin, Joseph Bodkin
Filed: 25 Mar 19
Utility
Electrochemical impedance spectroscopy analyzer (“EISA”) chip for a microelectromechanical system (MEMS)
19 Oct 21
Various embodiments may provide an electrochemical impedance spectroscopy analyzer (EISA) chip for a microelectromechanical system (MEMS).
Arne Ballantine, John Cronin, Joseph Bodkin
Filed: 25 Mar 19
Utility
Method of providing a functionally graded composite layer for coefficient of thermal expansion compliance in solid oxide fuel cell stacks and system components
28 Sep 21
A buffer layer between an interconnect and an electrolyte of a solid oxide fuel cell, the buffer layer having a gradient in coefficient of thermal expansion (CTE), wherein the buffer layer minimizes electrolyte damage due to a difference in CTE between the interconnect and electrolyte.
Mosul K. Premkumar, Vijay Radhakrishnan, Rahul Kulkarni, Padiadpu Shankara Anantha
Filed: 17 Oct 18
Utility
Power system integrated with dual power electrical load
21 Sep 21
A system and method of provided power to one or more electrical loads of an electrical load module is provided.
Arne Ballantine, Ranganathan Gurunathan, Rajesh Gopinath, Carl Cottuli
Filed: 4 Apr 18
Utility
Grid islanded fuel cell installation for data center load
17 Aug 21
Various embodiments manage a fuel cell IT grid system to maintain fuel cell temperatures above a threshold temperature.
Carl Cottuli
Filed: 2 Jan 19
Utility
Fuel cell stack including witness marks and inspection method thereof
10 Aug 21
A fuel cell stack and inspection method, the fuel cell stack including fuel cells disposed in a stack and interconnects disposed between the fuel cells.
Raphael Quiazon, Arne Ballantine
Filed: 30 Nov 18
Utility
Fuel cell systems containing chromium filters
3 Aug 21
A fuel cell system includes fuel cells disposed in a stack and separated by interconnects, a cathode recuperator configured to heat air provided to the stack using reaction exhaust provided from the stack, a steam generator configured to receive the reaction exhaust from the cathode recuperator and generate steam using the reaction exhaust, a hot box housing the stack, cathode recuperator, and steam generator, and a Cr filter including a porous metal and configured to remove Cr vapor species from the reaction exhaust.
Adil Ashary, Martin Perry, David Weingaertner, Richard Dole, Ivan Hartana, Emad El Batawi
Filed: 11 Oct 19
Utility
Solid oxide fuel cell system configured for higher hydrocarbon fuels
13 Jul 21
A fuel cell system and method of operating, the system including a fuel cell stack configured to generate electricity and anode exhaust, a mixer configured to mix fuel received from a fuel source with steam and the anode exhaust, a low-temperature pre-reformer configured to at least partially reform fuel received from the mixer at a temperature of less than about 420° C., and an anode recuperator configured to heat fuel received from the low-temperature pre-reformer using the anode exhaust and to provide the fuel to the fuel cell stack.
David Weingaertner
Filed: 28 Nov 18
Utility
Stackable fuel cell generator arrangement with common inlet and common outlet plenums
22 Jun 21
A power module system includes a plurality of vertically stacked power modules.
Arne Ballantine, Jessica Mahler, Ross Parker, Gilbert Richards, Barry Sharpe, Sean Dunn, Santi Lara, John O'Toole, David Trevisan, Carl Cottuli, David Weingaertner, Daniel Baynes
Filed: 14 Dec 18
Utility
Method of equalizing the pressure drop of fuel cell columns
8 Jun 21
A fuel cell system includes a plurality of fuel cell stacks or columns, each fuel cell stack or column containing a plurality of fuel cells, and at least one pressure drop tool located in a fuel path of at least one first fuel cell stack or column but not in a fuel path of at least one second fuel cell stack or column.
Natarajan Ramanan, Martin Perry, Yashas Keshav, Michael Petrucha, Nilanjana Basu
Filed: 28 Nov 18
Utility
Method and apparatus for handling controller area network (CAN) messages in a fuel cell system
18 May 21
Systems, methods, and devices of the various embodiments may provide for the selective enablement and disablement of tags, such as control/process tags, in controller area network (CAN) networks, such as power generation systems, including fuel cell systems connected by a CAN bus.
Jayanth Moodliar, Ali Zargari, Aditi Akula
Filed: 28 Jun 17