Global Patent Index - EP 1039140 A3

EP 1039140 A3 2000-11-08 - Feed pump

Title (en)

Feed pump

Title (de)

Förderpumpe

Title (fr)

Pompe d'alimentation

Publication

EP 1039140 A3 (DE)

Application

EP 00103931 A

Priority

DE 19912314 A

Abstract (en)

[origin: EP1039140A2] The pump has a driven rotor (1) with a ring of blade chambers on one side, and rotor blades to define the chambers. The rotor blades (3) are positioned along the height of the rotor chambers (2) at an angle, which is defined by a formula calculated from the distance between the center of the rotor and a point on a rotor blade, the distance between the rotor center and a chosen point on the rotor blade, and a set angle. The set angle on the radial outer edge of a rotor blade is between 30 and 40 degrees .

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

F04D 29/18; F04D 5/00

IPC 8 full level (invention and additional information)

F04D 29/18 (2006.01)

CPC (invention and additional information)

F04D 29/188 (2013.01)

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 1039140 A2 20000927; EP 1039140 A3 20001108; EP 1039140 B1 20020605; BR 0001376 A 20001010; DE 19912314 A1 20000928; DE 19912314 C2 20021010; ES 2177487 T3 20021216; US 6302639 B1 20011016

INPADOC legal status


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