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Title:
GEAR PUMP
Document Type and Number:
Japanese Patent JPH05126060
Kind Code:
A
Abstract:

PURPOSE: To obtain a gear pump capable of reducing abrasion with simple means without reducing service life, and capable of transferring, in an excellent manner, materials which are difficult to transfer such as a rubber mixture.

CONSTITUTION: A gear pump has a housing 1 with an inlet 7 and an outlet 8, and two external gears 5, 6 with shafts 19 thereof supported on the housing 1 and sealed against transferred materials. A sealing means in the shape of a returning spiral 11 or screw 12 is provided to prevent transferred material at the front side of the gears 5, 6 from reaching the inlet 7, outlet 8 and the bearings of the gears 5, 6 forming a transferring plenum.


Inventors:
BUIRUFURIITO BAUMUGARUTEN
Application Number:
JP11409292A
Publication Date:
May 21, 1993
Filing Date:
April 07, 1992
Export Citation:
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Assignee:
TROESTER MASCHF PAUL
International Classes:
B29C48/38; F04C13/00; F04C2/18; F04C15/00; (IPC1-7): F04C2/18; F04C13/00
Attorney, Agent or Firm:
Hidehiko Okada (2 outside)



 
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