Title:
PUMP HAVING CERTAIN DISCHARGE AMOUNT
Document Type and Number:
Japanese Patent JPS59168287
Kind Code:
A
Abstract:
A sanitary positive displacement pump having increased internal clearances to allow increased operating pressures without detrimental wear while maintaining high volumetric efficiency. The invention includes rigid and accurate positioning of the liquid impellers to the shafts while maintaining ease of disassembly and assembly. The impellers are secured on the shafts by cooperating frusto-conical surfaces on each of a pair of nuts. A rubber retainer ring enables manual release of the nuts but prevents inadvertent spinoff.
Inventors:
ROBAATO DONARUDO JIMAARII
Application Number:
JP3721084A
Publication Date:
September 21, 1984
Filing Date:
February 28, 1984
Export Citation:
Assignee:
RADEITSUSHIYU CO
International Classes:
F04C2/18; F04C13/00; F04C15/00; (IPC1-7): F04C2/14; F04C13/00; F04C15/00
Attorney, Agent or Firm:
Kyozo Yuasa