Power supply independent device for producing a hot air flow
AssigneeWella Aktiengesellschaft
InventorsPeter Anthes, Martin Liebeck
Life of this patent
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Abstract
The invention relates to a power supply independent device (1) producing a hot air flow (2). Heat (4) is produced by a catalytic heating element (5) which is energized by a liquid fuel, the hot air flow (2) being produced by an electric fan (7). The inventive device (1) is provided with a fuel cell (8) which supplies electric power to the fan (7). Said device comprises a tank (10) for the liquid fuel connected with the aid of a valve (11) to the fuel cell (8) and the heating element (5) in such a way that they are jointly supplied with the liquid fuel (6).
Claims6
A power-supply-independent hot air dryer (3) for generating a hot air flow, said hot air dryer (3) comprising
- a fuel reservoir (10) for a liquid fuel (6);
- a fuel cell (8) that produces electrical energy (9) from said fuel (6) when said fuel (6) is supplied to the fuel cell, said fuel reservoir (10) being located outside of or not within said fuel cell (8);
- an electrically powered blower (7) that generates an air stream when said electrical energy (9) is supplied to the blower (7);
- a catalytic heating element (5) for heating said air stream to produce the hot air flow (2) when the catalytic heating element (5) is supplied with said fuel (6);
- and
- means (11, 20, 21, 22) for jointly connecting said fuel reservoir (10) to said catalytic heating element (5) and to said fuel cell (8) to supply said fuel (6) to said fuel cell (8) in order to produce said electrical energy (9) and to simultaneously supply said fuel (6) to said catalytic heating element (5).
Dependencies are inferred from the claim text.