Cooling method for operating a fuel-cell system
US12148960B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2022 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | Jun 1, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method for operating a fuel cell system, comprising a cooling circuit for cooling at least one fuel cell, wherein a coolant circulating in the cooling circuit is cooled with a coolant cooler, which also has air flowing through it. The air is supplied by a fan assembly. The fuel cell system also comprises an evaporative cooling unit, which, upstream of the coolant cooler, introduces water into the air supplied by the fan assembly. An increased efficiency of the fuel cell system alongside sufficient cooling of the at least one fuel cell is achieved in that the evaporative cooling unit introduces water at a maximum rate before the fan assembly reaches its maximum air mass flow. The invention also relates to a fuel cell system of this type, as well as a motor vehicle comprising a fuel cell system of this type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.