Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity
Reexamination Certificate
2006-06-06
2006-06-06
Williams, Hezron (Department: 2856)
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Viscosity
C073S054280, C073S054320, C417S053000
Reexamination Certificate
active
07055376
ABSTRACT:
A method and a pump apparatus are provided for the generation of an adjustable, substantially constant volume flow of a fluid by means of a pump apparatus, wherein the fluid (5) is forwarded by the pump apparatus (1) from a reservoir (2) into a flow connection (4). A rotary pump (1) is used as the pump apparatus and the rotary pump (1) is operated at an efficiency which is less than half the maximum efficiency (ηmax) of the rotary pump (1).
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patent: 6241485 (2001-06-01), Warwick
patent: 09 137792 (1997-05-01), None
Christensen Ryan
Levitronix LLC
Townsend and Townsend / and Crew LLP
Williams Hezron
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