Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1988-05-06
1989-01-31
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15387, 15395, 15396, 15405, A47L 902
Patent
active
048006165
ABSTRACT:
The cleaning apparatus is formed by a housing member adapted to be inserted into an air duct and which has two spaced apart ports for providing an air flow path through the housing member. A flexible hose has one end coupled to one of the ports and is employed for moving the housing member in the air duct and for providing a passage for the flow of air from or to the housing member. A turbine formed by blades fixedly connected to a shaft is supported within the housing member for rotation about the shaft upon passage of air through the housing member by way of the two ports. An off centered weight is coupled to the shaft for rotation with the turbine for causing the turbine and hence the housing member to vibrate upon rotation of the turbine whereby the housing member may vibrate against the inside wall of the air duct to loosen dust and other matter from in the duct and to facilitate movement of the housing member in the duct. An air blower which preferably is a vacuum apparatus is coupled to the other end of the hose for moving air through the hose and hence through the housing member by way of the two parts for causing rotation of the turbine and for removing dust and other matter from the inside of the air duct.
REFERENCES:
patent: 1580294 (1926-04-01), Gawley
patent: 1869730 (1932-08-01), Antle
patent: 2338339 (1944-01-01), Mere et al.
patent: 3803658 (1974-04-01), Raubenheimer
patent: 3872533 (1975-03-01), Proffitt
patent: 3946459 (1976-03-01), Armstrong
Moore Chris K.
Steamatic, Inc.
Zobal Arthur F.
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