Global patent index - EP 0991897 A1

EP 0991897 A1 2000-04-12 - GAS APPLIANCE SUCH AS A THERMAL WEED SPRAYER

Title (en)

GAS APPLIANCE SUCH AS A THERMAL WEED SPRAYER

Title (de)

GASGERÄT, INSBESONDERE THERMISCHER UNKRAUTVERNICHTER

Title (fr)

APPAREIL A GAZ DU TYPE DESHERBEUR THERMIQUE

Publication

EP 0991897 A1 (FR)

Application

EP 98924503 A

Priority

  • FR 9708068 A
  • IB 9800935 W

Abstract (en)

[origin: FR2764969A1] The invention concerns a gas appliance (1) comprising an element (2) controlling a fuel gas flow, a burner (3) comprising a member (4) providing admixture of combustion air to the controlled gas flow, a device (5) for the combustion of the air/fuel gas mixture, a metal conduit (6) transferring the fuel gas at least, connecting the control element outlet and the combustion device intake, a piezoelectric member igniting (7) said mixture, comprising an electrode (8) arranged at a distance from the metal conduit to the earth connection, and a piezoelectric generator (9) connected to the earth and said electrode. The invention is characterised in that the electrode (8) belongs to and is arranged at the end of a semirigid electric wire (11) arranged inside the transfer conduit (6), formed to provide a bent part (11a) braced inside said conduit, and a terminal branch (11b) spaced from said transfer conduit (6) to provide between an exposed end and said conduit a predetermined burn out gap.

IPC 1-7 (main, further and additional classification)

F23D 14/38; A01M 15/00; F23D 14/52; F23Q 3/00

IPC 8 full level (invention and additional information)

A01M 15/00 (2006.01); F23D 14/38 (2006.01); F23D 14/52 (2006.01)

CPC (invention and additional information)

F23D 14/38 (2013.01); A01M 15/00 (2013.01); F23D 14/52 (2013.01); F23D 2207/00 (2013.01)

Citation (search report)

See references of WO 9859199A1

Designated contracting state (EPC)

CH DE FR GB IT LI SE

EPO simple patent family

FR 2764969 A1 19981224; FR 2764969 B1 19990820; EP 0991897 A1 20000412; US 6190161 B1 20010220; WO 9859199 A1 19981230

INPADOC legal status

2002-07-03 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020103

2000-04-12 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991123

2000-04-12 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): CH DE FR GB IT LI SE