Patent · US Expired

Rotary seal member coated with a chromium carbide-age hardenable nickel base alloy

US5906896A · kind A · utility

12Cited by
13References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 1992
Grant dateMay 25, 1999
Priority date
Expiry dateJul 21, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31848
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A gas seal for rotary shaft applications in which at least a portion of a contact surface of one member of the seal that has relative motion with and in contact with a second member of the seal is coated with a chromium carbide-age hardenable nickel base alloy. The process for depositing and heating the coating is also claimed.

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