Conical logarithmic spiral viscosity pump

Details Conical logarithmic spiral viscosity pump Conical logarithmic spiral viscosity pump

F - Mech Eng,Light,Heat,Weapons

04

C

F04C 13/00 (2006.01) B29C 47/38 (2006.01) F04D 3/02 (2006.01) F04D 29/18 (2006.01)

Patent

CA 2102881

CONICAL LOGARITHMIC SPIRAL VISCOSITY PUMP ABSTRACT A rotary viscosity pump is provided that has a housing and an impeller. The housing has a conical chamber with an outlet at a narrow end of the chamber. The impeller has a conical section with a logarithmic spiral groove along its exterior. The spacing between the housing and the impeller can have either a constant gap or a gap that decreases along the length of the impeller. The depth of the groove can be constant, increase, or decrease in depth along the length of the impeller.

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