FAN-TYPE AIR HEATER Russian patent published in 2009 - IPC A45D20/10 F24H3/02

Abstract RU 2374966 C1

FIELD: engines and pumps.

SUBSTANCE: fan-type air heater comprises vent channel with inlet and outlet, fan and heater arranged in aforesaid vent channel. Proposed air heater additionally comprises fist and second filters. First filter closes at least inlet. Cellular-structure second filter is arranged between first filter and outlet to close at least inlet. Second filter mesh size varies from 300 mcm to 650 mcm and clear area factor varying from 55% to 90%.

EFFECT: ruling out impurities sucked through inlet.

5 cl, 12 dwg

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RU 2 374 966 C1

Authors

Tanaka Khideki

Isikava Tomoja

Dates

2009-12-10—Published

2008-06-11—Filed