Patent · US Expired

Steam turbine packing spring

US6935634B2 · kind B2 · utility

5Cited by
15References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 2003
Grant dateAug 30, 2005
Priority date
Expiry dateMay 8, 2023

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/442
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A packing spring for a steam turbine comprising a flat, elongated spring body of specified length, width and thickness dimensions; a flange at one end of the main spring body; and at least one bend in the main spring body, located substantially midway along the length dimension of the spring body.

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