Patent · US Expired

Penning type gauge head with ignition aid

US5923172A · kind A · utility

0Cited by
4References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 10, 1997
Grant dateJul 13, 1999
Priority date
Expiry dateJun 10, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01L21/34
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A penning type gauge head with an electrode system comprising an anode and a cathode disposed in the magnetic field of a permanent magnet, including an ignition aid for the electrode system. In order to provide rapid and reliable ignition, the ignition aid consists of a least one metal strip attached on the anode, and the free end of the ignition aid extends in the direction toward the cathode.

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