VACUUM CLEANER Russian patent published in 1994 - IPC

Abstract RU 2019121 C1

FIELD: domestic electric appliances. SUBSTANCE: vacuum cleaner has dust collector with branch pipe to let in dusted air, compartment of air suction unit with filter, branch pipe with hole for air exhaust of increased passage section when hose is disconnected, additional compartment with grate lid and additional filter for cleaning of exhaust air, hose with tip for coupling to branch pipes of vacuum cleaner. Second branch pipe has additional hole in the form of ring slot embracing hole for exhaust of air. Hose tip has flange of diameter bigger than maximum diameter of ring slot and is mounted for overlapping of slot. EFFECT: improved cleaning efficiency. 3 dwg

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RU 2 019 121 C1

Authors

Vlasov V.I.

Сherednichenko V.I.

Dates

1994-09-15—Published

1991-02-07—Filed