Rotary kinetic fluid motors or pumps – Runner has spirally arranged blade or fluid passage – Extending along runner axis
Patent
1987-05-29
1988-09-20
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Runner has spirally arranged blade or fluid passage
Extending along runner axis
366299, F04D 302
Patent
active
047721774
ABSTRACT:
This invention relates to a screw pump for feeding mixed concrete and the like, sticky material such as adhesive fluid without bitting and clogging and feeding them continuously and effectively. For preventing the bitting, a bearing is provided at the inlet of outer cylinder of the pump and inner sleeve of the bearing is fixed to the edge of screw. For preventing the clogging, a multiple of partition plates is inserted between the blade of the screw which can slide along the shaft of the screw.
REFERENCES:
patent: 3423782 (1969-01-01), Klosel
patent: 3804553 (1974-04-01), Hickey, Jr.
Garrett Robert E.
Hayashi Seiko Co. Ltd.
Kwon John T.
Mon Donald D.
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