Patent · US Expired

Ductile iron vehicle hub and method for producing same

US6009980A · kind A · utility

3Cited by
7References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 15, 1997
Grant dateJan 4, 2000
Priority date
Expiry dateApr 15, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21D7/06
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An improved ductile iron vehicle hub and method for producing the same wherein the method includes the steps of (a) providing a vehicle hub formed from ductile iron and including a generally axially extending body having a centrally located opening formed therethrough, the body including an open inner end, an open outer end, and a generally radially outwardly extending flange; and (b) shot peening selected outer surfaces of the body of the vehicle hub to induce compressive stresses therein to improve the fatigue life the vehicle hub.

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