Heating apparatus and housing for a heating apparatus
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United States of America Patent
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Mar 30, 2004
Grant Date -
Jul 17, 2003
app pub date -
Jan 8, 2003
filing date -
Jan 12, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention pertains to a heating apparatus (1), in particular, an auxiliary heater and/or a parking heater for a motor vehicle, with a one-piece or one-part housing (2) that contains a combustion chamber shaft (3), in which a heat transfer casing (8) is arranged, wherein the inner side (9) of said heat transfer casing encloses a combustion chamber (5) and is subjected to hot exhaust gases during the operation of the heating apparatus (1), wherein the outer side (11) of the heat transfer casing forms the inner envelope of a cooling fluid space (10), through which a cooling fluid flows during the operation of the heating apparatus (1), wherein the outer envelope of said cooling fluid space is formed by the inner side of the combustion chamber shaft (3), and wherein the housing (2) also contains a catalyst shaft (4), in which at least one catalytic element (15) is arranged through which hot exhaust gases flow during the operation of the heating apparatus (1).
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