Robert bosch gmbh (20240322205). METHOD FOR OPERATING A FUEL CELL SYSTEM, AND CONTROL DEVICE simplified abstract
Contents
METHOD FOR OPERATING A FUEL CELL SYSTEM, AND CONTROL DEVICE
Organization Name
Inventor(s)
Helerson Kemmer of Vaihingen (DE)
Matthias Rink of Herrenberg (DE)
METHOD FOR OPERATING A FUEL CELL SYSTEM, AND CONTROL DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240322205 titled 'METHOD FOR OPERATING A FUEL CELL SYSTEM, AND CONTROL DEVICE
The invention pertains to a method for operating a fuel cell system, specifically a fuel cell stack with cooling channels fed by a coolant pump. In cold conditions, the fuel cell stack's temperature is indirectly measured through the pressure difference of the coolant across the stack, and the pump's speed is adjusted accordingly.
- Fuel cell system operation method
- Measurement of fuel cell stack temperature indirectly
- Control of coolant pump speed based on temperature measurement
- Adjustment for cold or freezing conditions
- Utilization of pressure difference of coolant across the stack
Potential Applications: - Automotive industry for fuel cell vehicles - Energy production in stationary fuel cell systems - Aerospace for power generation in aircraft
Problems Solved: - Efficient cooling of fuel cell stack in cold conditions - Optimal performance of fuel cell system during start-up - Prevention of freezing and damage to fuel cells
Benefits: - Improved reliability and longevity of fuel cell systems - Enhanced efficiency in cold weather conditions - Cost-effective operation and maintenance
Commercial Applications: Title: "Advanced Fuel Cell System Operation Method for Cold Conditions" This technology can be utilized in various industries such as automotive, energy production, and aerospace for efficient and reliable operation of fuel cell systems in cold environments. The market implications include increased adoption of fuel cell technology in diverse applications.
Questions about Fuel Cell System Operation Method: 1. How does the indirect measurement of fuel cell stack temperature through coolant pressure difference improve system performance? - The indirect measurement allows for precise control of the coolant pump speed, ensuring optimal temperature regulation for the fuel cells. 2. What are the key advantages of using this method in cold conditions compared to traditional temperature measurement techniques? - This method offers a more direct and efficient way to adjust coolant flow, leading to improved system performance and longevity.
Original Abstract Submitted
the invention relates to a method for operating a fuel cell system (), comprising a fuel cell stack (), which has a plurality of fuel cells and through which cooling channels extend, which are fed a coolant via a cooling circuit () by means of a coolant pump (). according to the invention, in the event of a start under cold or freezing conditions the temperature of the fuel cells in the fuel cell stack () is measured indirectly by means of the pressure difference (�p) of the coolant across the fuel cell stack () and the rotational speed (n) of the coolant pump () is controlled in accordance with the indirectly measured temperature.
