Patent · US Expired

Device for positioning a rotatable element within a tube

US4781245A · kind A · utility

13Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 12, 1987
Grant dateNov 1, 1988
Priority date
Expiry dateJan 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.