Matches 101 - 150 out of 305 < 1 2 3 4 5 6 7 >
Match Document Document Title
5305634 Weathering test method and sample holder used therein  
A weather-fastness test method utilizing a novel sample holder and constituted by the steps of fixing the sample to the holder which is provided with metal coils the shape of which varies in...
5297940 Sealless pump corrosion detector  
A corrosion detector for use with a sealless centrifugal pump. The corrosion detector having a corrosion coupon at one end of the detector. The corrosion coupon being formed of the same material as...
5279151 Method and system for conducting meso-scale rainfall simulations and collecting runoff  
A method and apparatus are provided for conducting meso-scale rainfall simulations and runoff collections. The apparatus includes a system for continuously applying to a test plot simulated...
5254310 High temperature generalized corrosion test installation  
The installation comprises a selective liquid-feeder assembly, a selective gas-feeder assembly for feeding gas under pressure, a mixing and preheating assembly itself comprising a vaporizing stage,...
5253674 Coolant corrosiveness indicator  
A fluid sensor for heat exchanger system includes a supporting device such as a tubular hose fitting for mounting the sensor in the system so that heat exchanging fluid circulated in the system...
5243298 Corrosion monitor by creating a galvanic circuit between an anode wire and a test structure  
A corrosion monitoring system having one or more anode elements made of a suitable anodic material that corrodes preferentially with respect to the structure being protected. The resistance of each...
5214387 Electrolytic resistivity leak detector  
The electrolytic resistivity leak detector comprises the method of electrical resistivity to measure the gradual intrusion of aggressive chemicals into the wall of a plastic or fiber reinforced...
5211677 Method and apparatus for measuring the quantity of particulate material in a fluid stream  
Particles in a fluid stream are detected by utilizing one or more probes each provided with at least one measuring or erosion element. The probe is placed in the fluid stream, and the particle...
5208162 Method and apparatus for monitoring corrosion  
A method and apparatus for using a coated piezoelectric crystal to monitor and report corrosion in terms recognized as conforming to an industry standard is disclosed. The present invention...
5187542 Spectroscopic wear detector  
The elemental composition of a material exposed to hot gasses and subjected to wear is determined. Atoms of an elemental species not appearing in this material are implanted in a surface at a depth...
5178822 Steam generator corrosion monitoring system and method  
In combination with a steam generator having a plurality of generator tube support plates, each generator tube support plate having a plurality of openings and a plurality of generator tubes, each...
5095977 Coupon holder for corrosion test downhole in a borehole  
A coupon holder apparatus for measuring the rate of corrosion caused by formation fluid contained downhole in a borehole. The apparatus is useful when used in conjunction with a pumping unit of the...
5049492 Biofilm monitoring coupon system and method of use  
An apparatus and method for biofilm monitoring of a water distribution system which includes the mounting of at least one fitting 61 in a wall port 65 of a manifold 19 in the water distribution...
4945758 Method and apparatus for monitoring the interior surface of a pipeline  
A sidestream pipeline, adapted for attachment to a mainstream pipeline, is provided with end closures to permit the introduction of mechanical cleaning devices or chemical compositions to the...
4928760 Downhole coupon holder  
An economical, corrosion-resistant, wireline set and retrievable, downhole coupon holder is disclosed that has a non-metallic, elongated member having recessed slots and a mounting means for...
4922748 Method for monitoring thinning of pipe walls and piping component for use therewith  
A method of monitoring thinning of pipe walls in a piping system including selecting locations to be monitored, normally those pipes particularly susceptible to thinning from erosion/corrosion,...
4911002 Logging apparatus for a core sample cutter  
Measuring apparatus for use with a motor driven rotary saw blade is disclosed so that dynamic measurements can be obtained while cutting lengthwise a core sample from a well borehole. The core...
4909091 Method and apparatus for the detection of corrosion or the like  
A method and an apparatus for the detection of corrosion, pitting or the like in pipelines is proposed and measured results produced in an appropriate manner are digitally converted, linked with...
4884434 Wear sensor  
A wear sensor provided with a block incorporating one or more optical fibers for indicating that wear has occurred to the block, on the basis of a fact that the fibers have been severed on account...
4872345 Measuring wall erosion  
A method and apparatus for measuring decreasing thickness of the refractory lining of a high pressure, high temperature, water cooled reactor wall, such as a high pressure gasifier, during...
H000682 Erosion rate determinator: rocket nozzle  
In a method for determining and evaluating nozzle erosion rate, an eroding ozzle and a non-eroding nozzle are employed in a dual nozzle arrangement to receive a balanced thrust and flow rate from a...
4770031 Accelerated test chamber  
An apparatus for establishing a flow of fluid mass, such as gas, having steady uniform flow at a test section area of the closed loop chamber. The chamber provides a constant and reproducible...
4768373 Corrosion and erosion sensor  
A sensing probe having a hollow tube for disposition in a flow stream is provided with an internal stiffening rod. A volume between the stiffening rod and the inner surface of the tube communicates...
4744544 Refractory erosion visual indicator  
Refractory erosion detection devices are positioned in the refractory lining of metallurgical vessels, such as ladles and refractory stirring plugs incorporated in such vessels through which...
4715218 Method of determining degree of embrittlement of low alloy steel  
A method of determining the degree of embrittlement of low alloy steel with high accuracy and good reproducibility, comprising the steps of bringing the low alloy steel into contact with an aqueous...
4697465 Test coupon holder  
A corrosion coupon holder for inserting and removing a coupon from the interior of a pipeline while under pressure has an elongated housing with a threaded connection at one end and a removable...
4688638 Downhole corrosion coupon holder  
A corrosion coupon anchoring system for positively positioning a corrosion monitoring coupon in the production flowpath downhole in a producing well. Preferably cylindrical coupons are held firmly...
4686854 Process and apparatus for measuring corrosion rate of a heat transfer surface  
There is disclosed a novel fouling and corrosion test assembly including a metallic tube having a heating element embedded in a heat conductive material for controlled heat input and with a...
4655077 Wear sensor system  
A wear sensor system for detecting erosion, corrosion and wear of a component is disclosed. Conductive loops of a sensor probes are embedded at spaced locations through the component. As erosion,...
4653323 Apparatus for moving an object in an isolated environment  
An apparatus for moving an object in an isolated environment may be employed as a high pressure and temperature facility for testing steam generator tubes. A tube to be tested extends through an...
4631961 Sampling device for determining conditions on the interior surface of a water main  
A probe rod is inserted into a water main through a corporation cock. The rod has a plurality of transverse passages parallel to one another and aligned in the direction of flow. Within these...
4628252 Corrosive impurity sensor  
A sensor apparatus cooperates with an electrical system capable of delivering power to and receiving signals from the sensor. A cable housing insulated wires is connected to the sensor and disposed...
4605065 Method and apparatus for monitoring well tubing fluid  
A method and apparatus for monitoring corrosive effects of fluid in a well, for use with a well tubing mandrel having a main bore and a side pocket offset from the main bore. The mandrel also has a...
4603113 Corrosion testing  
Techniques and apparatus are described for measurement of corrosion of drill pipe in a well bore during drilling. The techniques involve the use of a test coupon attached to the external surface of...
4596142 Ultrasonic resonance for detecting changes in elastic properties  
Some forms of corrosion, and inter-granular attack in particular, occur without significantly altering the bulk dimensions of the body attacked. Where elastic properties are changed, this is...
4541278 Pipeline corrosion sensing device and method  
The invention provides a sensing device and method to determine irregularities of a pipeline wall arising from corrosion, pitting, gouges, scale and deposits, and dents causing out of round...
4539846 High resolution in situ ultrasonic corrosion monitor  
An ultrasonic corrosion monitor is provided which produces an in situ measurement of the amount of corrosion of a monitoring zone or zones of an elongate probe placed in the corrosive environment....
4535326 Liner deterioration warning for fluid movers  
Method and apparatus for detecting deterioration of a replaceable liner in a pump transporting an electrically conductive fluid medium. A conductive component is isolated, during normal operation,...
4510793 Method of monitoring the wear of a refractory lining of a metallurgical furnace wall  
A process for monitoring the wear of a refractory lining of a metallurgical furnace wall during use of the furnace, it is sought to improve the reliability and accuracy of the measurement...
4481809 Method and apparatus for monitoring erosion in gas stirring devices in molten metal ladles  
A method and apparatus are disclosed for monitoring the condition of the stirring block and solid plug therein as incorporated in the normal refractory brick lining of a molten metal ladle to...
4455530 Conductivity sensor for use in steam turbines  
A conductivity sensor for placement on a curved steam turbine component within the steam path. The sensor includes a metal foil base over which is deposited an electrically insulating layer such as...
4448062 Method and apparatus for erosion detection and location in hydrocarbon production systems and the like  
Acoustic emissions are detected so that the amount of wear on the interior of a conduit can be directly determined. The acoustic emissions arise from plastic deformations and fractures caused by...
4442706 Probe and a system for detecting wear of refractory wall  
A probe for detecting wear of a refractory wall, including plural sheathed probe elements of different lengths each consisting of a pair of high melting point wires disposed in parallel and...
4442707 Method and centrifugal apparatus for slurry erosion testing  
In accordance with the centrifugal erosion testing method of the invention, a material specimen is rotated with a flat surface facing the direction of rotation and a narrow stream of an abrasive...
4412090 Thermal sensor for detecting temperature distribution  
A thermal sensor for detecting temperature distribution in a deposit layer on the refractory walls of a blast furnace or the like, including a temperature probe assembly having temperature sensing...
4389877 Piping erosion monitoring system  
A system to monitor the amount of erosion taking place within a pipe in which a point of reduced strength of the pipe is made by drilling a hole or notch to a preselected depth in a selected...
4389880 Rapidly erodible sonde  
An erodible sonde for detecting sand in the gas conveyed through a pipe. Such a sonde is constituted by a thin aluminium tube, one end of which communicates with a device for measuring the pressure...
4365788 Process and apparatus for determining the level of molten metal in a metallurgical vessel, the temperature of the molten metal and the extent of wear of the refractory lining of the vessel  
A metallurgical container has a refractory lining for containing a molten metal. A plurality of combination electrodes are provided at various positions of the refractory lining. Each combination...
4358953 Method of monitoring the wear of refractory walls of a blast furnace and temperature probe used for the method  
A method of monitoring the wear of refractor walls of a blast furnace wherein temperature is sensed at different points across the thickness of the furnace walls and various electric...
4337668 Orifice wear compensation  
In gas volume measurement apparatus employing an orifice plate, wear on the edges of the orifice affect its area and hence the accuracy of the volumetric measurement. In order to correct for the...
Matches 101 - 150 out of 305 < 1 2 3 4 5 6 7 >