Global Patent Index - EP 1071885 A1

EP 1071885 A1 2001-01-31 - SIDE CHANNEL PUMP

Title (en)

SIDE CHANNEL PUMP

Title (de)

SEITENKANALPUMPE

Title (fr)

POMPE REGENERATIVE

Publication

EP 1071885 A1 (DE)

Application

EP 00909140 A

Priority

  • DE 19906130 A
  • EP 0000849 W

Abstract (en)

[origin: DE19906130A1] The invention relates to a delivery pump (2) which is configured as a side channel pump, comprising a driven impeller (4) which rotates in a housing (3). A liquid to be delivered is conveyed to guide blades (6) in the impeller (4) from the radial inner area. The impeller (4) has a groove (17) for this purpose, said groove being adjacent to the guide blades (6). As a result, the delivery pump (2) has a particularly high degree of efficiency.

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

F04D 29/18; F04D 5/00

IPC 8 full level (invention and additional information)

F04D 29/22 (2006.01); F04D 5/00 (2006.01); F04D 29/18 (2006.01); F04D 29/42 (2006.01)

CPC (invention and additional information)

F04D 29/188 (2013.01); F04D 5/002 (2013.01)

Citation (search report)

See references of WO 0047899A1

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

DE 19906130 A1 20000817; AU 3152500 A 20000829; AU 756182 B2 20030109; BR 0004770 A 20001219; EP 1071885 A1 20010131; JP 2002536594 A 20021029; US 6447242 B1 20020910; WO 0047899 A1 20000817

INPADOC legal status


2005-03-09 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20040901

2004-06-23 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20040510

2002-01-09 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: SIEMENS AKTIENGESELLSCHAFT

- Ref Legal Event Code: RAP1

2001-01-31 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000930

2001-01-31 [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