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Title:
歯車ポンプ
Document Type and Number:
Japanese Patent JP4610564
Kind Code:
B2
Abstract:
The invention relates to a gear pump which is suitable for delivering highly viscous materials. The aim of the invention is to provide a gear pump having a low-wear and low-maintenance bearing system, high output and good self-cleaning properties. For this purpose, the gear pump according to the invention comprises a housing, a gear section comprising a sun wheel and a plurality of stationarily mounted planet wheels, an input screw section comprising an input screw shaft linked with the sun wheel in a rotationally fixed manner and an input transfermix area, and an output screw section comprising an output screw shaft linked with the sun wheel in a rotationally fixed manner and an output transfermix area. The screw shafts, in the transfermix areas, have flight depths that decrease toward the gear section. In the housing, flights are configured which extend in an opposite direction relative to the screw shafts, which have increasing diameters towards the gear section and which end each between the planet wheels.

Inventors:
Uphus Reinhardt
Skibba Olaf
Application Number:
JP2006536027A
Publication Date:
January 12, 2011
Filing Date:
October 19, 2004
Export Citation:
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Assignee:
Klaus Maffei Bershtorf Gesellschaft Mito Beschlenktel Haftung
Fauemuy-Azette Extrudion Gesellschaft Mito Beschlenktel Haftung
International Classes:
B29C48/37; B29C48/375; B29C48/38; B29C48/435; B29C48/585; F04C2/14; F04C2/16; F04C13/00
Domestic Patent References:
JP2068116U
JP61076183U
JP57087345A
Foreign References:
WO2002026471A1
WO2003016720A1
WO2000053390A1
Attorney, Agent or Firm:
Mitsufumi Esaki
Blacksmith



 
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