Title:
CAPILLARY BRIDGE TYPE VISCOMETER
Document Type and Number:
Japanese Patent JPS59160740
Kind Code:
A
Abstract:
A capillary bridge viscometer is disclosed for measuring the relative viscosity of a solute in a solvent. The bridge contains two fluid flow circuits (8, 9). One circuit (8) contains two capillaries (12, 14) in series. The second circuit (9) contains two capillaries (11, 13) in series with valving means (151 and an associated liquid reservoir (18) positioned intermediate of the capillaries (11, 13). A common feed line (6) feeds a first liquid to both fluid flow circuits (8,9). With the valving means (15) set in one operating position, the first liquid flows through all four capillaries (11, 12, 13, 14) and no pressure differential is established across the bridge. With the valving means (15) set in a second operating position, the first liquid exiting the first capillary (11) of the second fluid flow circuit (9) flows into the liquid reservoir (18) and displaces a second liquid stored therein which then flows through the second capillary (13) of the second fluid flow circuit (9). A differential pressure is established across the bridge which is a function of the viscosity of the second liquid. The pressure differential is measured by a differential pressure transducer (22).
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Inventors:
MATSUKUSU EI HANII
Application Number:
JP23347283A
Publication Date:
September 11, 1984
Filing Date:
December 10, 1983
Export Citation:
Assignee:
MATSUKUSU EI HANII
International Classes:
G01N11/08; G01N11/04; G01N30/02; G01N30/32; G01N30/62; (IPC1-7): G01N11/04
Attorney, Agent or Firm:
Kyozo Yuasa