About 42 results
https://drivepatents.com/patents/1386400 · 31 Dec 2025
A cooling system (1) for at least two fuel cell systems (100, 200), the cooling system (1) comprising a single cooling circuit (10) for the fuel cell systems (100, 200) and a pressure equalization device (20) for a coolant of the cooling circuit (10), wher...
https://drivepatents.com/patents/1386788 · 10 Dec 2025
A method (100) and a system (10) for reducing temperature peaks during the starting of a fuel cell (12) with a two-phase cooling system are provided, comprising the following steps: Setting (102) a saturation pressure of a coolant, via a pressure control m...
https://drivepatents.com/patents/1398730 · 11 Sep 2024
The present disclosure generally relates to systems and methods for using a relative humidity sensor in a cathode exhaust stream of a fuel cell stack to optimize the performance and efficiency of the fuel cell stack.
https://drivepatents.com/patents/954139 · 27 Jan 2016
A fuel cell system comprises a compressor configured to supply the cathode gas to the fuel cell, an intercooler provided downstream of the compressor and configured to cool the cathode gas discharged from the compressor, a pressure regulating valve configu...
https://drivepatents.com/patents/947272 · 6 Jan 2016
A fuel cell system includes: a fuel cell (34) generating electricity by using fuel and an oxidant gas; a housing (10a) storing the fuel cell; a ventilation fan (42) causing an inside of the housing to be ventilated; a flow state detection switch (60) arran...
https://drivepatents.com/patents/967637 · 5 Nov 2014
A method for operating a fuel cell or a fuel cell stack (1) is presented, which, given a constant fuel gas flow, has an electrical maximum power that can be delivered depending on the operating temperature, as well as aging that depends on the operating du...
https://drivepatents.com/patents/971641 · 6 Aug 2014
A power management system 1 comprises: a control unit 540 that performs high-temperature maintaining control maintaining a temperature of an SOFC 110 during an operation within a predetermined temperature range; and a specifying unit 530 that specifies a p...
https://drivepatents.com/patents/981348 · 4 Dec 2013
A fuel cell power generation system according an embodiment of the present invention comprises: a fuel cell (11) which generates electric power upon supply of oxidation gas and fuel gas; and a temperature adjustment unit (23, 32, 33) which adjusts the temp...
https://drivepatents.com/patents/987896 · 7 Aug 2013
A fuel cell device capable of appropriately controlling stack temperature both before and after degradation of a fuel cell stack is provided. Afuel cell device furnished with a fuel cell stack 14, a fuel flow rate regulator unit 38, an air flow rate regula...
https://drivepatents.com/patents/987837 · 7 Aug 2013
This secondary battery type fuel cell system is provided with a hydrogen generator (1) that generates hydrogen by an oxidation reaction with water and is capable of regeneration by a reduction reaction with hydrogen and a SOFC (5) having an electricity gen...