Device for positioning a rotatable element within a tube

Details Device for positioning a rotatable element within a tube Device for positioning a rotatable element within a tube

1987-01-12

1988-11-01

Davis, Jr., Albert W.

Heat exchange

With scraper removing product from temperature modifying...

165 95, 1510405, 138 38, F28G 112, F28G 308

Patent

active

047812451

ABSTRACT:
The invention concerns a positioning device for a tube cleaning element rotatably driven by fluid passing through the tube. This is particularly useful for heat exchanger tubes. This device includes an open-frame support member (1) having one or more parts (8a, 8b) (preferably of generally cylindrical shape) for mounting on the outside on one end of said tube, and further includes a spindle (2) mounted for rotation with respect to said frame (1) along the axis of the end of said tube and adapted to be fastened to said rotatable element.

REFERENCES:
patent: 3407871 (1968-10-01), Penney
patent: 3743250 (1973-07-01), Fitzhugh et al.
patent: 4174750 (1979-11-01), Nichols
patent: 4415022 (1983-11-01), Baron et al.
patent: 4489776 (1984-12-01), Baron
patent: 4583585 (1986-04-01), Estienne et al.
patent: 4595047 (1986-06-01), Estienne

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