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Title: Mixing device for materials with large density differences

An auger-tube pump mixing device is disclosed for mixing materials with large density differences while maintaining low stirring RPM and low power consumption. The mixing device minimizes the formation of vortexes and minimizes the incorporation of small bubbles in the liquid during mixing. By avoiding the creation of a vortex the device provides efficient stirring of full containers without spillage over the edge. Also, the device solves the problem of effective mixing in vessels where the liquid height is large compared to the diameter. Because of the gentle stirring or mixing by the device, it has application for biomedical uses where cell damage is to be avoided. 2 figs.
Inventors:
Issue Date:
OSTI Identifier:
7159589
Assignee:
Dept. of Energy, Washington, DC (United States) PTO; EDB-94-133682
Patent Number(s):
US 5338115; A
Application Number:
PPN: US 7-989305
Contract Number:
W-7405-ENG-48
Resource Relation:
Patent File Date: 11 Dec 1992
Country of Publication:
United States
Language:
English
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; LIQUIDS; MIXING; PUMPS; DESIGN; MEDICAL SUPPLIES; MEDICINE; FLUIDS; 550600* - Medicine