Device for positioning a rotatable element within a tube
US4781245A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Jan 12, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28G3/08
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.