| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a comfortable space to a user by providing high oxygen concentration air by an optional supply form, and to provide satisfaction and attraction by providing effectiveness to even health. <P>SOLUTION: Air is sucked in by a fan 2 for suction provided in a water heater body 1, an oxygen concentration in the air is increased by passing the air through an oxygen enrichment membrane 3, and the air with an increased oxygen concentration is supplied to the outside from the water heater body 1 by an air pump 4. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
