ZEMLYAKOV SCREW-CENTRIFUGAL PUMP DRIVEN FROM STORAGE BATTERY SCREW DRIVER Russian patent published in 2009 - IPC F04D7/00 F04D13/02 

FIELD: engines and pumps.

SUBSTANCE: invention relates to manual pumps with detachable drive. The proposed pump comprises a housing and centrifugal chamber. The housing end face is furnished with honeycomb protective casing. The housing and casing accommodate detachable screw with flanged blade and centrifugal disks with vanes. Screw and disk are fitted on one shaft, its extension being coupled with the screw driver driving element. Mechanical booster with parallel input and output shafts is arranged between the screw shaft end face and driving element arranged in the transition tubular casing. The screw driver casing is embraced by tightening belt jointed with two eye rings attached on its outer surface. The aforesaid belt has, on the screw drive head party side, a detachable collet branch pipe furnished, on the collet side, with tapered inner surface, and, on the outer collet surface side, with two-flange grooves accommodating a screw yoke. Driving element represents a standard adapter with inner hexahedron squeezed in the screw driver chuck.

EFFECT: higher pump efficiency and head, expanded performances and higher safety.

4 cl, 2 dwg