SF U2 Fittings have been used in the fuel lines of the Aircraft test bench to move gaseous Hydrogen to the Fuel cells. Schwer contribution to the powertrain, specifically the anode loop -- hydrogen side of the fuel cell system, consisted of stainless steel fittings and tubing provided by Schwer. The anode loop has multiple sections, the first being the fuel line: a series of Schwer fittings connect our first pressure regulator (200 -> 10 bar) to the hydrogen cylinder (200 bar). Then, a series of hoses and fittings (elbows, t-fittings and straight) with several tubes in between lead to the second pressure regulator (10 -> 2 bar). After the second pressure regulator, it enters the system and will be passing through a number of components before going to the fuel cell.
In addition to the sponsorship of Aerodelft, in the past months Schwer Fittings has received enquiries from French and German companies all associated with hydrogen projects for commercial Aircrafts, and initial orders from a UK university for a commercial aircarft. Here the product range has been extended to threaded fittings and stainless steel convoluted hoses, with fire protectiopn sleeves. Customer evaluation is ongoing to confirm the specifications and suitablity of the Schwer Fittings offer.
Aero Delft has been visited regularly by the Schwer team from the Netherlands and through the networking and development work with the students, Schwer Fittings remains in contact with a number of students who have now started careers in the Aerospace industry, where we know the brand Schwer Fittings will be evaluated in commercial projects.
Commercial Airlines are looking for ways to remove the Carbon Footprint related to Aircraft emissions, two solutions being investigated are SAF Sustainable aviation fuel and hydrogen, Boeing are tending towards SAF, (a Bio fuel derived from plants, animals, or waste ) which will be commercially available in volume before hydrogen solutions are developed, SAF reduces the Carbon Footprint, where as Hydrogen (preferred by Airbus) will virtually eliminated the carbon footprint, however the development time is significantly longer.