| 摘要 |
A portable heater composed of a housing having a bottom surface, an exterior top surface, a front exterior surface which contains a grille composed of air outlet apertures is capable of providing a relatively large heat output for its size in either of a natural convection mode or a forced convection mode. The heater includes a heating element inside of a housing. A plurality of baffles define a convection chamber within the housing that extends from the housing bottom, rearward of a heating element, upwardly and forwardly to a point above the air outlet apertures on the inner surface of the housing. The convection chamber maintains exterior portions of the housing at or below a threshold temperature of about 80 degrees Celsius.
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