Heat exchange – With cleaning means for heat exchanger
Patent
1983-09-16
1985-04-02
Husar, Stephen F.
Heat exchange
With cleaning means for heat exchanger
15 351, F28G 112
Patent
active
045081646
ABSTRACT:
A heat exchanger has a plurality of fluid flow tubes secured adjacent their ends by tube sheets. Brushes are adapted to shuttle back and forth in the tubes and are adapted to be captured by baskets. The brushes comprise an elongated wire twist stem having fine wire bristles looped through the twist along the stem length. End caps are secured to the stem ends. The brush basket is provided with a dash pot at its outer end which not only serves as a brush stop but which also creates a hydraulic cushion to slowly decelerate the brush before it engages the stop.
REFERENCES:
patent: 3319710 (1967-05-01), Heeren et al.
patent: 4124065 (1978-11-01), Leitner et al.
patent: 4397349 (1983-08-01), Baron et al.
Husar Stephen F.
Water Services of America, Inc.
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