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7069976 |
Method and arrangement for controlling the temperature of the outstream flow from a heat exchanger and measuring produced heat
Process and device for controlling the temperature of an outbound secondary flow in a secondary circuit from a heat exchanger by a primary flow in a primary circuit, via a member that regulates the...
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7056038 |
Media printer for continuous printing of different documents
A printer is provided with a buffer to receive document data. Document data is read from the buffer by a control system and information is printed by one or more printhead assemblies in accordance...
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6044804 |
Method and device for monitoring a feedwater supply to a steam generator
A method for monitoring a feed-water supply to a continuous-flow or once-through steam generator, wherein steam temperature of evaporated feedwater is employed for determining a feedwater supply...
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5731517 |
Measuring device used in a four-parameter measuring system and in a high temperature and high pressure condition
A measuring device used in a four parameter measuring system for measuring simultaneously temperature, pressure, flow rate and steam quality of steam injection profiles during heavy oil recovery by...
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5663491 |
Method for steam quality measurement
Steam quality in flow lines equipped with orifice meters may be determined by injecting a predetermined quantity of water into the flow line and measuring the orifice pressure differential with and...
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5363905 |
Method of controlling heat exchangers using enthalpy flow as the correcting variable
A method of controlling a heat exchanger wherein the enthalpy flow into the heat exchanger serves as a correcting variable. The robust and versatile control method is particularly suitable for use...
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5327772 |
Steam quality sensor
A method and apparatus are disclosed for determining steam quality wherein heat is added to or removed from a sample flow of steam to reach a point of superheating or subcooling. The amount of...
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4932788 |
Monitoring of the quality of a flowing vapor
An improved monitoring of the quality and heat value of a flow of condensable vapor. A small side stream of representative vapor sample is tapped from the flow in the vapor main by utilizing the...
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4854725 |
Multi-sensor steam quality monitoring means and method
A system of the present invention monitors the quality of steam flowing in a pipeline includes a test cell which is connected inline into the pipeline and has the steam flowing through it. A...
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4849988 |
Apparatus and method for measuring the quality of steam
Steam quality measuring and monitoring apparatus and methods which measures the quality of steam flowing in a steam pipe includes a test cell connected in line with the steam pipe so that the steam...
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4832503 |
Steam quality monitoring means and method
The present invention is an apparatus and method which monitors the quality of steam flowing in a pipe. A steam sensor located in the pipe provides a steam signal which is frequency related to the...
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4833688 |
Two-phase flow quality measuring device
A device and associated method comprising a probe (18) for drawing throttled two-phase steam into a tank (26) which has been evacuated and which can be closed when the pressure of the sample steam...
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4769593 |
Method and apparatus for measurement of steam quality
A method and apparatus for directly measuring steam quality in-line. A variable frequency capacitance cell receives a hybrid stream (one having both liquid and vapor phases). The resultant...
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4753106 |
Steam quality meter
A meter measures the quality of steam flowing in a conduit. The steam comprises a liquid and a vapor. The meter includes a mixer in the conduit for mixing the steam in the conduit to produce a...
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4681466 |
Method for determining quality of reduced quality steam
In a steam flow line that is delivering reduced quality steam, there is a method and/or system for determining the quality. It includes the steps of flowing quality steam through a first flow...
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4679947 |
Method and apparatus for measuring steam quality
A method and apparatus for measuring steam quality of wet or two-phase flowing steam includes a flow-through densitometer comprised of two parallel tubes connected to two common nodes, a vibrator...
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4645635 |
Method and apparatus for determining the properties of wet steam
A partially collimated beam of thermal/epithermal neutrons is transmitted through a small bore pipe in which wet steam flows under a high pressure. A thermal neutron detector measures the...
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4561785 |
Modified throttling calorimeter
Method and apparatus for determining the quality of typical steam used in steam flooding for secondary recovery of petroleum, using a modification of the conventional throttling calorimeter based...
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4547078 |
Method and device for measuring steam quality
Method and apparatus for obtaining a sample of the liquid component of steam and determining the quality of steam in a vessel or the like, such as steam flowing in a line used for steam injection...
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4542993 |
Method of measuring quality of steam in a flow fine
A method for determining the quality of steam flowing in a line used for steam injection, e.g. in an oil well. It has a vertical loop in the line, with an orifice in the up-flow side. The pressure,...
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4509679 |
Energy use monitoring system
The system includes a central fluid heater or cooler and an electrically driven centrifugal pump which pumps fluid therefrom to a supply main from which individual lines lead to each unit supplied....
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4295368 |
Method for measuring the full range in quality of a vapor
A method for determining the quality of a vapor wherein a representative sample is heated at constant volume to a superheated or compressedliquid state so that a measurement of the pressure and...
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4149403 |
Determining steam quality
Method and apparatus for determining the quality of wet steam flowing in a steam line utilizing the relationship between critical flow pressure (P c ) and upstream pressure (P u ) to develop a...
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4034597 |
Method and apparatus for measuring steam quality
Method and apparatus for estimating steam quality which involves sampling a steam-water mixture and utilizing volume relationships between the volume of initial sample and volume of the sample when...
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3596516 |
METHOD AND APPARATUS FOR MEASURING STEAM PROPERTIES
A method of and apparatus for determining the properties of steam by measuring the temperature thereof, adiabatically expanding a sample of the steam, separating the liquid from the expanded sample...
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3521479 |
THROTTLING CONVERSION METER
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3370155 |
Environmental stress-strain test chamber
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3363460 |
Steam calorimeter
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3324710 |
Condensate metering unit
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3322934 |
Auxiliary apparatus for experimental arrangements
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3181363 |
Calorimetric temperature measuring device
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3100395 |
Steam quality indicator
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