EP 0017973 A3 19801210 - COUNTER-CURRENT SWIMMING APPARATUS
Title (en)
COUNTER-CURRENT SWIMMING APPARATUS
Publication
Application
Priority
AT 286379 A 19790417
Abstract (en)
[origin: US4352215A] Jet stream device consisting of a submersible electrical motor, a pump, a housing, an outlet nozzle and fixing means, in which the motor drives the impeller of an axial pump, located in a necked-down portion of the casing and wherein the smallest cross-section of said necked-down portion coincides approximately with the cross-section of the outlet nozzle, which is positioned behind the necked-down portion and wherein furthermore motor, pump impeller, necked-down portion and outlet nozzle are surrounded by a housing whose width coincides approximately with the width of the outlet nozzle.
IPC 1-7
IPC 8 full level
A63B 69/12 (2006.01)
CPC (source: EP US)
A63B 69/125 (2013.01 - EP US); A63B 2210/50 (2013.01 - EP US)
Citation (search report)
- DE 1653760 B1 19701105 - UWE UNTERWASSER ELECTRIC GMBH
- DE 1927956 B
- DE 2401040 A1 19750724 - OPLAENDER WILO WERK GMBH
Designated contracting state (EPC)
CH DE FR IT
DOCDB simple family (publication)
EP 0017973 A2 19801029; EP 0017973 A3 19801210; EP 0017973 B1 19841128; AT 375130 B 19840710; AT A286379 A 19831115; DE 3069690 D1 19850110; US 4352215 A 19821005
DOCDB simple family (application)
EP 80102038 A 19800416; AT 286379 A 19790417; DE 3069690 T 19800416; US 14121980 A 19800417