|
Match
|
Document |
Document Title |
|
|
7366621 |
Program product to measure density, specific gravity, and flow rate of fluids
Program product to measure fluid flow characteristics in a pipeline is provided. A vortex-shedding body is positioned within the pipeline to form vortices. A vortex meter can include a vortex...
|
|
|
7334457 |
Multi-capillary viscometer system and method
This apparatus and method relates to the improved sensing of fluid differential pressures. The apparatus and method can be applied in multi-capillary solution viscometers and gel permeation...
|
|
|
7188515 |
Nanoliter viscometer for analyzing blood plasma and other liquid samples
A microfabricated, a nanoliter capillary viscometer includes a first channel that is defined by a first channel-defining surface in a first substrate and a second channel defining surface in a...
|
|
|
7111499 |
Viscometer tube
A viscometer tube includes a tubular body divided into three sections: an upper feed section, a lower capillary section and an intermediate transition section providing a transition between the...
|
|
|
6941797 |
Device and method for determining the viscosities of liquids by means of the capillary force
The invention relates to a device and a method for automated and simultaneous determination of the viscosity of a plurality of liquids.
|
|
|
6907772 |
Dual riser/single capillary viscometer
A blood viscosity measuring system and methods for measuring blood viscosity monitors the change in height of one of two, oppositely-moving, columns of blood from the circulating blood of a patient...
|
|
|
6898963 |
Apparatus and method for measuring viscosity
An apparatus and method for measuring the viscosity of a sample fluid are disclosed. In one embodiment, a holding vessel ( 82 ) receives the sample fluid ( 94 ) and a weighted fluid ( 96 ). The...
|
|
|
6877361 |
Viscosimeter
A viscosimeter for measuring the viscosity of a solution in a solvent includes flow resistances having the smallest possible thickness and a small volume compared with all other parallel and...
|
|
|
6796168 |
Method for determining a characteristic viscosity-shear rate relationship for a fluid
A method for determining the viscosity of a fluid flowing through a system at any point in the system whereby the method involves determining a characteristic relationship for the fluid between...
|
|
|
6779382 |
Process for determining changes in liquid media, in particular coating agents under shear stress
A process for determining changes in a liquid medium, in particular a liquid coating agent or its components, caused by shear stress, in which a given volume of the medium is allowed to pass...
|
|
|
6755079 |
Method and apparatus for determining fluid viscosity
A downhole tool and method for determining the viscosity of a reservoir fluid, the tool including a passage having entry, intermediate and exit regions, in which the reservoir fluid flowing through...
|
|
|
6732573 |
Single riser/single capillary blood viscometer using mass detection or column height detection
An apparatus and method for determining the viscosity of the circulating blood of a living being over plural shear rates caused by a decreasing pressure differential by monitoring the changing...
|
|
|
6584832 |
High-temperature characterization of polymer libraries
Rapid characterization and screening of polymer samples to determine average molecular weight, molecular weight distribution and other properties is disclosed. Rapid flow characterization systems...
|
|
|
6581440 |
Process and device for determining changes in liquid media, in particular coating agents under shear stress
A process and a device for determining changes in a liquid medium, in particular a liquid coating agent or its components, caused by shear stress, in which a given volume of the medium is allowed...
|
|
|
6575019 |
Reciprocating drive/pump system and reciprocating capillary viscometer utilizing same
A reciprocating pump and a capillary viscometer utilizing the same. Preferably, the inventive reciprocating pump is a syringe pump comprising: a cylinder, an actuated piston, and a floating piston....
|
|
|
6561011 |
Apparatus and method for measuring the viscosity of plastic materials
In an apparatus for measuring the viscosity of plastic materials including a heatable housing structure, enclosing a controllable material pump for generating a certain material flow, a plurality...
|
|
|
6477891 |
Process for affinity viscosimetry and viscosimetric affinity sensor
The invention concerns a process for affinity viscosimetry and a viscosimetric affinity sensor on the basis of sensitive liquids with analyte-dependent viscosity which are localized within a...
|
|
|
6470736 |
Apparatus and method for capillary viscometry of fluids
An apparatus and method for determining viscosity of a low viscous fluid. A narrow tube samples a fluid sample. The apparatus or capillary viscometer determines viscosity within average relative...
|
|
|
6412337 |
Apparatus and method for measuring the rheological properties of a power law fluid
The apparatus ( 10 ) is used for determining the consistency index (k) and the power law index (n) of a Newtonian fluid or non-Newtonian power law fluid. A method is also disclosed. Accordingly,...
|
|
|
6276195 |
Three capillary flow-through viscometer
A method and apparatus for measuring the viscosity of a sample solution which comprises an input tube for transporting a sample solution flow towards a splitter for diverting input flow into two...
|
|
|
6196058 |
On-line viscosity measurement system
An improved method and apparatus for determining fluid viscosity comprises conveying substantially fully developed, uni-directional, and undisturbed fluid flow through a differential pressure...
|
|
|
6182503 |
On-line rheological measurement for process control
On-line rheological measurements are made on a process flowing material, such as a polymer melt, utilizing a rheometer of the type in which an inlet pump delivers a relatively large volumetric flow...
|
|
|
6178811 |
Quasi-static viscometer
A viscometer having a fluid volume-displacer or driver, such as a speaker membrane, and a pressure sensor or detector, such as a microphone membrane, forming the inside surfaces of a cavity that is...
|
|
|
5932800 |
Viscosity testing device
A device for testing the viscosity of a fluid contained in a cartridge comprising a tubular housing, a pair of end caps, one end cap being configured for operable connection to a piston and...
|
|
|
5847268 |
Viscosity measuring apparatus and method
A forced flow viscosity measuring apparatus includes within a housing (13), a thermostatic air chamber (11), a measurement capillary (38) and a needle (60) in fluid communication with the capillary...
|
|
|
5756883 |
Method of continuously testing the accuracy of results obtained from an automatic viscometer
A method of testing the accuracy of results obtained from an automatic viscometer is described. Firstly, provide an automatic viscometer having at least two capillary tube test sections, each of a...
|
|
|
5583284 |
Method for monitoring grease consistency
The invention relates to continuous grease making processes. The invention further relates a method for monitoring the consistency of the final product stream of a continuous grease making process....
|
|
|
5347852 |
On-line rheological measurements for process control
On-line rheological measurements are made utilizing a rheometer of the type in which a first metering pump delivers diverted melt from a process main stream to a capillary passage and a second...
|
|
|
5257529 |
Method and device for measurement of viscosity of liquids
A viscosity of liquids is measured by inserting one end of a fine tube into one end of a tubular vessel sealed and maintained at a reduced pressure, while dipping the other end of the fine tube in...
|
|
|
5172585 |
Continuously operating capillary rheometer apparatus with minimized response-time lag
A capillary rheometer for measuring the viscosity of a liquid contained in a vessel in either a continuous or discontinuous fashion provides timely and accurate measures of viscosity. Pressure...
|
|
|
5165292 |
Channel Device and tube connection and their fabrication procedures
A device for measuring at least one characteristic of a fluid is provided. The device comprises a measuring channel which is designed for conducting fluid flow therethrough and which is defined by...
|
|
|
5142899 |
Automatic viscosity measuring device
An automatic viscosity measuring device which measures sample levels, automatically fills a sample to a marked line by vacuum pressure, automatically counts the time for the sample to fall by a...
|
|
|
4817416 |
On-line rheological measurements
On-line rheological measurements are made utilizing a rheometer of the type in which a first metering pump delivers diverted melt from a process main stream to a capillary passage and a second...
|
|
|
4798081 |
High temperature continuous viscometry coupled with analytic temperature rising elution fractionation for evaluating crystalline and semi-crystalline polymers
A method and apparatus for analyzing a solution of a crystalline or a semi-crystalline polymer sample to determine a crystallinity versus weight percent profile concurrently with viscosity average...
|
|
|
4793174 |
Differential pressure capillary viscometer
An improved differential pressure capillary viscometer in which a sample of solute in solution with a solvent is introduced into a stream of flowing solvent. The sample passes sequentially into...
|
|
|
4750351 |
In-line viscometer
An in-line viscometer comprising in combination a flowsection, a flowmeter installed to measure flow through the flowsection, a friction flow tube installed parallel and suspended within the...
|
|
|
4726219 |
Method and system for determining fluid pressures in wellbores and tubular conduits
Friction pressure losses are obtained for non-Newtonian or generalized Newtonian fluids being pumped through conduits at high flow rates, such as in hydraulic fracturing of subterranean formations,...
|
|
|
4685328 |
Capillary viscometer
A capillary viscometer in which the liquid meniscus is detected by sensing electrical resistance changes in hermetically sealed electrical resistors which are spaced apart at the two levels in the...
|
|
|
4680957 |
Non-invasive, in-line consistency measurement of a non-newtonian fluid
Provided herein is an in-line, non-invasive device and method for calculation of consistency of a non-Newtonian fluid flowing in a laminar manner through a non-rotating conduit where the...
|
|
|
H000093 |
Elongational rheometer
An apparatus and method for measuring elongational viscosity of a test fl comprises extruding the test fluid through a capillary downwardly into a host fluid having a lower density than the test...
|
|
|
4587837 |
Capillary rheometer having disposable capillary tube
An improved capillary rheometer features a barrel surrounded by electrical heating elements which are automatically controlled to maintain constant temperature along the barrel length, a liner for...
|
|
|
4583395 |
Viscometer
A viscometer for measuring the viscosity of volatile liquids or liquids that are easily contaminated in the air, is disclosed. The viscometer is of the capillary type and includes a U-shaped tube...
|
|
|
4574624 |
Ultrasonic echo sounding device for observing web formation and pulp suspension flow in a paper machine
An ultrasonic echo sounding device permits observation of the web formation and/or the pulp suspension flow on the wire part and in the head box of a paper machine. The device includes a series of...
|
|
|
4574622 |
Viscometer
A viscometer having the ability of automatically periodically determining the viscosity of liquids having periodic gassing and/or foaming phases comprises pressures taps located on the lower side...
|
|
|
4519239 |
Apparatus for determining the flow shear stress of suspensions in particular blood
The invention concerns a measuring apparatus for checking and determining the flow shear stress of certain suspensions, principally blood, by a static or dynamic method and to thereby plot the...
|
|
|
4449394 |
Efflux viscosity cup
This invention provides a rugged dip-type viscometer suitable for use in a rotogravure printing plant, for example. The capillary of the viscometer is joined to a protective collar and gives high...
|
|
|
4143541 |
Method and device for measuring the characteristics of plastic fluid and control system for pouring the same into moulds
The fluidity of a plastic fluid, cement mortar for example, is measured by passing the fluid through a flow passage packed with an aggregate for simulating an actual mould, measuring the flow...
|
|
|
4118973 |
Apparatus for measuring the flow rate and/or viscosity of a fluid
An apparatus for measuring the flow rate and/or viscous characteristics of a fluid comprises a casing, having a fluid passage which is elongated in cross-section with two parallel, opposed sides...
|
|
|
4028929 |
Modified ubbelohde viscosimeter
A Ubbelohde viscosimeter is disclosed which is modified according to the present invention by mounting to its reservoir a pressure tube and to the upper ends of the pressure tube and the...
|
|
|
3977235 |
Viscometer
An on-line monitoring device comprises a constant volume flow rate pump connected in series with a heater and a hydraulic resistance. A differential pressure transmitter is connected across the...
|