Back to results
US 4,174,750 AGranted
Tube cleaner having anchored rotatable spiral member
OwnerBilly M. Nicholsinventor
Life of this patent
Estimating the term…
Abstract
A spirally configured member, rotatably positioned within an elongated tube, the spiral member adapted to continuously clean the tube's interior wall when such member is caused to rotate. The spiral has one end rotatably anchored by a plug fixed to one upstream end of the tube and a swivel linking the plug and the spiral member.
Claims2
A tube cleaning device for use in a heat exchanger comprising:
- a plurality of tubes adapted to have a fluid pass therethrough;
- and
- rotatable means for preventing contaminant build-up on the interior wall provided each of said tubes, said rotatable means comprising a spiral having one end rotatably anchored by anchoring means to the upstream end of an associated tube, said anchoring means including a plug fixed to said upstream end and swivel means linking said plug and said rotatable means.
Dependencies are inferred from the claim text.