Patent · US Expired

Piezo ignition device

US7137810B2 · kind B2 · utility

1Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 2002
Grant dateNov 21, 2006
Priority date
Expiry dateNov 16, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23Q3/002
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A piezo ignition device (1) includes a piezo electric crystal (16), which is intended to generate a spark on an electrode (3) in said device when subjected to force. The ignition device (1) is mounted parallel with a mixer pipe (5) for delivering fuel to an open-air cooking apparatus, and the piezo electric crystal (16) is arranged so that the force applied to the crystal is directed parallel with the mixer pipe (5), wherein the force acting on the ingition device (1) for the ignition of said device is arranged to be applied parallel with said ignition device (1) in a direction from the electrode (3).

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