Patent · US Expired

Refractory shield design for superheater tubes

US5881802A · kind A · utility

5Cited by
8References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 9, 1998
Grant dateMar 16, 1999
Priority date
Expiry dateMar 9, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S122/13
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a refractory shield for protecting a superheater tube against fluid attack comprising first and second partial-tubes (2, 8), each partial-tube having a C-shaped cross section, the C-shaped cross section defining first (3, 9) and second (4, 10) ends; wherein the ends of the partial-tubes are opposably engaged, and wherein the partial-tubes comprise means (5) for preventing radial movement of the first partial-tube relative to the second partial-tube.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.