Global Patent Index - EP 1038173 A1

EP 1038173 A1 2000-09-27 - GAS SENSOR

Title (en)

GAS SENSOR

Title (de)

GASSENSOR

Title (fr)

DETECTEUR DE GAZ

Publication

EP 1038173 A1 (DE)

Application

EP 97931686 A

Priority

  • DE 9701366 W
  • DE 19628692 A
  • DE 19705402 A

Abstract (en)

[origin: DE19705402A1] A gas sensor has a sensor element (12) secured in a gas-tight manner in a metallic housing (11). The gas sensor has a double-walled protective tube (30) with an outer protective sleeve (31) and an inner protective sleeve (32) with gas inlet and/or outlet openings. The inner protective sleeve (32) forms a gas measurement chamber (34) in which the sensor element (12) penetrates with a section (13) at the exhaust gas side. The outer protective sleeve (31) and the inner protective sleeve (32) are designed in a single piece.

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

G01N 27/407

IPC 8 full level (invention and additional information)

G01N 27/409 (2006.01); G01N 27/407 (2006.01)

CPC (invention and additional information)

G01N 27/4077 (2013.01)

Citation (search report)

See references of WO 9803861A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

DE 19705402 A1 19980122; DE 19705402 B4 20070426; CN 1197512 A 19981028; EP 1038173 A1 20000927; JP 3983295 B2 20070926; JP H11513120 A 19991109; WO 9803861 A1 19980129

INPADOC legal status


2005-07-06 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20050104

2000-09-27 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19980729

2000-09-27 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB IT