Title (en)

CONVEYING DEVICE HAVING AN IMPELLOR FOR PROPELLING GASES OR LIQUIDS IN A FLOW CHANNEL.

Publication

EP 0606054 A3 19940824 (DE)

Application

EP 93890251 A 19931222

Priority

AT 259192 A 19921228

Abstract (en)

[origin: EP0606054A2] In a conveying device for propelling gases and liquids in a flow channel, the conveying characteristics are improved by the use, for the rotation of the impeller 3, of a driving device which consists of a stator 6 and an armature 1. The armature is designed as a ring which concentrically surrounds the impeller 3, which can be rotated about an axis 2, and, with the impeller 3, forms a unit. Alternatively, an outer and an inner impeller are provided, the outer impeller, which is driven by a motor, driving by its rotation the smaller, inner impeller, via a gear mechanism. <IMAGE>

IPC 1-7

F04D 25/06; F04D 25/04; F04D 13/06; F04D 13/02; F04D 13/04; F04D 25/02; F04D 3/00

IPC 8 full level

F04D 3/00 (2006.01); F04D 13/02 (2006.01); F04D 13/04 (2006.01); F04D 13/06 (2006.01); F04D 25/02 (2006.01); F04D 25/04 (2006.01); F04D 25/06 (2006.01)

CPC (source: EP)

F04D 3/00 (2013.01); F04D 13/043 (2013.01); F04D 13/0646 (2013.01); F04D 19/007 (2013.01); F04D 25/02 (2013.01); F04D 25/024 (2013.01); F04D 25/045 (2013.01); F04D 25/0606 (2013.01); F04D 25/066 (2013.01)

Citation (search report)

• [XY] GB 2022703 A 19791219 - OMYA GMBH
• [Y] US 3231176 A 19660125 - BOWEN WILLIAM J
• [Y] EP 0404299 A1 19901227 - CAVANAGH PATRICK E [CA]
• [A] FR 2501933 A1 19820917 - PEUGEOT ACIERS ET OUTILLAGE [FR]
• [A] EP 0140461 A1 19850508 - ROTRON INC [US]
• [XP] EP 0567688 A1 19931103 - HEIDELBERG GOETZ [DE], et al
• [X] US 2761617 A 19560904 - ORNUM VERN W VAN, et al
• [X] FR 687589 A 19300811
• [X] US 3904324 A 19750909 - FLATT JOSEPH, et al

Designated contracting state (EPC)

AT DE ES FR GB IT SE

DOCDB simple family (publication)

EP 0606054 A2 19940713; EP 0606054 A3 19940824

DOCDB simple family (application)

EP 93890251 A 19931222