Matches 1 - 11 out of 11
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7290441 Micro slit viscometer with monolithically integrated pressure sensors  
An improved micro slit viscometer includes a combined micrometer depth rectangular slit flow channel with monolithically integrated multiple pressure sensors in the flow channels and a pumping...
7237431 Apparatus and method for measuring viscosity  
An apparatus and methods for analysis of a petroleum product, specifically determining the viscosity of a sample, are disclose. The apparatus includes a sample reservoir for receiving a liquid...
6418792 Pressure compensated transducer  
A pressure compensated sound transducer is provided wherein compensation and equalization of static ambient pressure variations occurring on the faces of at least one piezoelectric element is...
5661233 Acoustic-wave sensor apparatus for analyzing a petroleum-based composition and sensing solidification of constituents therein  
An acoustic-wave sensor apparatus and method. The apparatus for analyzing a normally liquid petroleum-based composition includes at least one acoustic-wave device in contact with the...
5481903 Method and instrument for viscoelastic measurements  
An apparatus for measuring viscoelastic properties of rubbery materials is disclosed. The instrument comprises two opposed dies having temperature and pressure controling means, means for...
4466275 Arrangement for measuring viscosity  
An arrangment for measuring the viscosity of a fluid includes a heated, vertical container which receives a vessel filled with the fluid to undergo a viscosity determination. A pair of vertically...
3707871 SENSOR FOR A VARIABLE-PRESSURE ROLLING BALL VISCOMETER  
The present invention relates to a variable-pressure rolling ball viscometer which is essentially invarient to pressure, and has improved mechanical stability. The pressure insensitivity of the new...
3686931 DETECTOR FOR VISCOSITY MEASURING SYSTEM  
Viscosity measuring apparatus with relatively movable cylinder and piston for continuous detection by predetermined cycling of the movement for measuring the viscosity of fluid flowing within a...
3513696 APPARATUS FOR DETERMINING THE RATE OF ASCENT OR DESCENT OF FREE OBJECTS IN A LIQUID MEDIUM  
3368391 Viscosity measuring apparatus  
2782629 Temperature compensated viscometer  
Matches 1 - 11 out of 11