Global Patent Index - EP 0926439 A3

EP 0926439 A3 2000-07-12 - Gas-fired boiler

Title (en)

Gas-fired boiler

Title (de)

Gasheizkessel

Title (fr)

Chaudière à gaz

Publication

EP 0926439 A3 (EN)

Application

EP 98124458 A

Priority

  • EP 98124458 A
  • DE 29722677 U
  • EP 98830175 A

Abstract (en)

[origin: EP0926439A2] A gas-fired boiler (10) provided with: a burner (16) arranged in a firebox (18); a gas/water heat exchanger (20) arranged around the firebox and provided with a system of flat pipes (22) for the conveyance of the burnt gases (14) arranged in a radial pattern and provided with lateral recesses (106; 24) for noise reduction; a mixer (28) for supplying a gas-air mix to the burner, structured so that the pressure of the gas-air mix is constant regardless of the amount of mix supplied. <IMAGE>

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

F23D 14/60; F23D 14/30; F23D 14/58; F23N 1/02; F24H 1/28

IPC 8 full level (invention and additional information)

F24H 1/28 (2006.01); F28F 1/02 (2006.01); F28F 1/42 (2006.01)

CPC (invention and additional information)

F28F 1/422 (2013.01); F24H 1/287 (2013.01); F28F 1/02 (2013.01); F28F 1/42 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0926439 A2 19990630; EP 0926439 A3 20000712

INPADOC legal status


2002-01-02 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20011105

2001-03-21 [AKX] PAYMENT OF DESIGNATION FEES

- Ref Legal Event Code: AKX

- Free Format Text: AT BE CH DE ES FR GB GR LI NL

2001-02-28 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001227

2000-07-12 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-07-12 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI

2000-01-19 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- Free Format Text: 7F 23D 14/60 A, 7F 23D 14/58 B, 7F 23D 14/30 B, 7F 24H 1/28 B, 7F 23N 1/02 B

1999-06-30 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE ES FR GB GR LI NL

1999-06-30 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI