| 摘要 |
PROBLEM TO BE SOLVED: To secure the conventional heating and safety by preventing an air filter part from being closed even when a curtain and the like approaches to a rear face, by having the curtain or the like sucked by a protection guard part, and sufficiently supplying the air through an opening part around the protective guard part. SOLUTION: A certain constant air clearance is secured at a rear part of the air filter part, and the intake-air protection guard part having a sufficiently large opening part free from the generation of pressure loss as an air trunk, is mounted in taking the necessary air sucked into an appliance of the warm-air heater. COPYRIGHT: (C)2004,JPO
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