Capillary viscometer apparatus for an uncomplicated determinatio

Details Capillary viscometer apparatus for an uncomplicated determinatio Capillary viscometer apparatus for an uncomplicated determinatio

1993-05-26

1994-07-26

Bhat, Nina

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

73 5406, G01N 1102

Patent

active

053318439

ABSTRACT:
A capillary viscometer apparatus comprises a measuring cylinder (3) having an axially-movable piston (2) which is moved by a drive (1). The measuring cylinder (3) and the piston (2) define a measuring space (4) which communicates with a capillary tube or bundle (6) and a differential pressure gauge (7). A pressure difference between the measuring space (4) and a tested medium (12) is registered and processed by a signal-processing unit (9). A speed of the piston (2) is determined by means of a displacement-time measuring device or a speed measuring device (8) and this information is then transmitted to the signal-processing unit (9).

REFERENCES:
patent: 3938369 (1976-02-01), de Bok
patent: 4539837 (1985-09-01), Barnaby
patent: 4587837 (1986-05-01), Newbould
patent: 4677844 (1987-07-01), Sonoda
patent: 4680958 (1987-07-01), Ruelle et al.
patent: 4793174 (1988-12-01), Yau
patent: 5209107 (1993-05-01), Grudzien, Jr. et al.

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