VACUUM CLEANER
PROBLEM TO BE SOLVED: To provide a vacuum cleaner which will not make users feel uncomfortable without heating the hose during the use thereof by restricting the transfer of heat to the outer frame of the hose through exhausts circulated in a type having an air intake path and an exhaust circulation...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a vacuum cleaner which will not make users feel uncomfortable without heating the hose during the use thereof by restricting the transfer of heat to the outer frame of the hose through exhausts circulated in a type having an air intake path and an exhaust circulation path. SOLUTION: The body 12 of the vacuum cleaner having an electric fan 19 built therein, a hose 14, an extended pipe 18, and a suction device 17 have a suction path of air sucked by the electric fan 19 and the body 12 of the vacuum cleaner have an exhaust path for exhausts discharged from the electric fan 19. The hose 14 is made up of a double tube which has the suction path in an inner hose 37 and the exhaust path between the inner hose 37 and an outer hose 36 wrapping the inner hose 37 and the outer hose 36 is provided with a heat insulating layer. |
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