Global Patent Index - EP 1074748 A1

EP 1074748 A1 2001-02-07 - Exit tube for rotary impeller

Title (en)

Exit tube for rotary impeller

Title (de)

Austrittsrohr für ein Rotierendes Laufrad

Title (fr)

Tube de sortie pour hélice rotative

Publication

EP 1074748 A1 (EN)

Application

EP 00200986 A

Priority

IL 13122199 A

Abstract (en)

To overcome a problem of reduced efficiency caused by a spiralling flow vector within the exit tube of a rotary impeller the exit tube (2) for the rotary impeller comprises a tubular member having a substantially circular inlet opening (4) and an outlet opening (6) of an elongated shape such as an oval, ellipse or flattened circle which renders the flow vector substantially perpendicular to the plane of the exit tube outlet. <IMAGE>

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

F04D 29/54; F01N 7/08; F01N 7/20

IPC 8 full level (invention and additional information)

F01N 13/20 (2010.01); F04D 29/54 (2006.01)

CPC (invention and additional information)

F01N 13/20 (2013.01); F04D 29/545 (2013.01); F04D 29/548 (2013.01)

Citation (applicant)

None

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 1074748 A1 20010207; IL 131221 D0 20010128

INPADOC legal status


2003-04-16 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20001004

2001-10-24 [AKX] PAYMENT OF DESIGNATION FEES

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

2001-09-26 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010726

2001-02-07 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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

2001-02-07 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI