Patent · US Expired

Junction structure of turbine shaft

US4557704A · kind A · utility

24Cited by
8References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1984
Grant dateDec 10, 1985
Priority date
Expiry dateOct 31, 2004

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2360/24
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Composite turbine shaft includes a ceramic shaft and a metal shaft, both ends being butt-joined by brazing wherein a center void is provided in the ceramic shaft end so as to secure good heat insulation as well as strong junction even under the difference in thermal expansion between the ceramic shaft and the metal shaft.

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