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Schott Spezialglas Ag

Stefan Hubert

Sabine Melson

Thomas M Karschti

Alexander Groehl

Klaas Roelfsema

Rainer Neubauer

Oliver Forberich

The water heater has an upright water tank (), an exhaust flue () extending through the water tank, a combustion chamber () arranged under the water tank, an atmospheric gas burner () in the combustion chamber and a complete pre-mixing gas/air supply system with outside gas and air intakes. The gas burner has a burner mat () with a pressure drop less than 5 to up to 45 Pa. The combustion chamber () is provided with an opening (), which is not sealed, but enclosed in a flame-blocking manner. The gas burner () is attached to a wall section (), which is mounted releasably on the: combustion chamber wall (W) over opening () so that a gap of predetermined width is formed between the wall section and wall (W), which prevents backfire of flames into the surroundings but admits secondary air.

Gas-fired water heater

A building for containing occupants, with at least one covering element to provide at least one roof portion, at least one wall portion, and at least one floor portion, to provide an interior space to contain and protect occupants from an adverse environment about the building or other structures. The building has an opening to permit occupants to ingress and egress, a window comprising at least one pane, comprising at least an outer pane disposed to contact the adverse environment about the building and at least one inner pane disposed toward the interior space of the building. The pane exposed to the environment about the building or structure comprises a glass material that has a minimized coefficient of thermal expansion. The building also has an insulation to protect occupants from adverse temperature and environmental conditions about the building and a heating apparatus to provide heat to the space provided by the at least one covering element, the window, and the insulation.

Building for containing human occupants in an adverse arctic or antarctic environment and structures for containing and protecting occupants in an adverse environment

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Engelstadt, Germany

Stefan Hubert