Patent · US Expired

Dual redundancy system for electronic detonators

US7100511B2 · kind B2 · utility

1Cited by
36References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 2001
Grant dateSep 5, 2006
Priority date
Expiry dateMay 18, 2021

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF42C11/06
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A detonator assembly (10) comprising a housing (12) disclosed and claimed. The assembly comprises an main circuit (11) comprising an electrically operable fuse (16) located in the housing. The assembly further comprises at least a first redundancy circuit (13) wherein at least one element of the main circuit is duplicated (18 for 16) also located in the housing. The invention also includes within its scope an initiation system (42) comprising at least one level of redundancy which may be in one or more or all of a blast controller (24), a harness (40) and detonator assemblies 10.1 to 10.n forming part of the system.

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