Global Patent Index - EP 1019678 A1

EP 1019678 A1 2000-07-19 - DEVICE FOR MEASURING THE MASS OF A FLOWING MEDIUM

Title (en)

DEVICE FOR MEASURING THE MASS OF A FLOWING MEDIUM

Title (de)

VORRICHTUNG ZUM MESSEN DER MASSE EINES STRÖMENDEN MEDIUMS

Title (fr)

DISPOSITIF POUR MESURER LA MASSE D'UN FLUIDE EN ECOULEMENT

Publication

EP 1019678 A1 (DE)

Application

EP 99907286 A

Priority

  • DE 9900201 W
  • DE 19815658 A

Abstract (en)

[origin: DE19815658A1] The invention relates to a device (1) for measuring the mass of a medium, especially the induction air mass of an internal combustion engine, flowing in a line (2). Said device comprises a flow tube (3) which is arranged in the line (2). A measuring element (20) around which the flowing medium flows is arranged in the flow tube (3). The medium flows from the line (2) and into the flow tube (3) at the inlet opening (9), and flows out of the flow tube and into the line (2) at an outlet opening (11). An outlet front face (12) of the flow tube (3), said front face enclosing the outlet opening (11), comprises structural grooves (53) which, with a radial directional component, extend in relation to a longitudinal axis (6) of the flow tube (3).

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

G01F 1/684; G01F 5/00; G01F 15/00; G10K 11/16

IPC 8 full level (invention and additional information)

G01F 1/684 (2006.01); G01F 5/00 (2006.01); G01F 15/00 (2006.01); G10K 11/16 (2006.01)

CPC (invention and additional information)

G01F 1/6842 (2013.01); G01F 5/00 (2013.01); G01F 15/00 (2013.01); G10K 11/161 (2013.01)

Citation (search report)

See references of WO 9953275A1

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

DE 19815658 A1 19991014; CN 1175252 C 20041110; CN 1263594 A 20000816; EP 1019678 A1 20000719; JP 2002506529 A 20020226; US 6272920 B1 20010814; WO 9953275 A1 19991021

INPADOC legal status


2012-01-18 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20110802

2008-01-30 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20080102

2000-07-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000425

2000-07-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB