US 7,320,735 B2 | ||
Fan cleaning method and apparatus | ||
Stanley J. Riske, Hanover, Mich. (US) | ||
Assigned to Airmaster Fan Company, Jackson, Mich. (US) | ||
Filed on Mar. 30, 2005, as Appl. No. 11/93,394. | ||
Prior Publication US 2006/0218743 A1, Oct. 05, 2006 | ||
Int. Cl. B08B 7/00 (2006.01); A47L 5/24 (2006.01) |
U.S. Cl. 134—7 [134/21; 451/36; 451/38; 451/39; 15/346] | 6 Claims |
1. A fan cleaning system, comprising:
a flexible bag for enclosing parts of a fan to be cleaned;
a source of compressed air for inflating the bag;
a container holding a supply of abrasive particulates;
a user-controlled nozzle for spraying the particulates against parts of the fan to be cleaned, the nozzle including a hand-held
proximal portion with a flexible hose interconnected to the particulate container and a distal tube enabling a user to puncture
the flexible bag to access the parts of the fan; and
a source of vacuum for collecting particulates used for cleaning.
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