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5141332 |
Air temperature monitor
A temperature monitor comprising two circular metallic plates which are disposed in the horizontal plane in a spaced-apart configuration, the upper plate having a mirrored top surface and a black...
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5116137 |
Temperature measuring pyrometer probe which compensates for radiation heat transfer and pneumatic losses
An apparatus and process for a temperature measuring pyrometer probe that measures gas temperatures above the melting point of conventional thermocouple material. The apparatus is used to calculate...
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5085073 |
Thermal remote anemometer system
A sample in a wind tunnel is radiated from a thermal energy source exteriorly of the wind tunnel. A thermal imager system, also located exteriorly of the wind tunnel, reads surface radiations from...
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5046857 |
Plastic thermal probe assembly with press fit sensor
A thermal probe has a premolded single unitary plastic outer shell forming an open end adapted to receive a connector unit and having an inboard end defining a probe portion. The plastic outer...
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5040380 |
Method and apparatus for the sensing of refrigerant temperatures and the control of refrigerant loading
A new method and apparatus are provided for sensing refrigerant temperatures in refrigerator systems, and for preventing underloading of the coil, or of any of the coils in a plurality of...
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5035514 |
Thermal probe for measuring thermal properties of a flowing medium
A device for heating a medium with which the device is in thermal contact for use in determining the thermal or flow properties of the medium. The device has a heater for supplying heat to the...
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5018873 |
Air temperature measurement
In one form of the invention, different airflows across a temperature sensor in an aircraft are maintained during different flight conditions. A first airflow is generated during takeoff by a...
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4991976 |
Temperature sensor probe apparatus and method for improving time response
A temperature sensor probe is provided with a series of flow channels for deflecting a fluid to be sensed as it flows over the surface of the probe. The flow channels reduce the separation of flow...
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4968151 |
Temperature measurement for flowing fluids
The temperature of fluid (gas or liquid) flowing in a duct 10a having axis 21 is measured using a collar 12 having an inner face 17 embracing the tube and having two axial bores 16, 18 at different...
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4953986 |
Air/sea temperature probe
An air/sea temperature probe is disclosed which can be deployed from a moving ship to detect the temperature profile of the atmosphere and ocean beyond the thermal influence of a ship. The probe...
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4911009 |
Thermal air flow meter
A thermal air flow meter for measuring the flow rate of intake air supplied to an internal combustion engine comprises a thermal sensor disposed in an intake air passage, a drive circuit including...
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4856911 |
Method and devices for measuring the temperature of a running filiform element
Method of measuring the temperature of a running filiform element, without mechanical contact with the element, and devices for implementing such method. According to the invention, a fluid of...
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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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4795090 |
Air-conditioning installation for vehicles
In an air-conditioning installation for vehicles with a blower for supplying fresh air to a vehicle interior space, with a temperature sensor for detecting the interior space temperature and with...
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4790668 |
Viscometric thermometer
A viscometric thermometer is fabricated with two sensing capillaries connected serially in a common fluid flow circuit. The first capillary is immersed in a reference bath of known constant...
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4765751 |
Temperature and pressure probe
A pressure and temperature measuring probe with a low drag, airfoil shaped cross section includes a longitudinally extending pressure cavity adjacent the leading edge and a separate longitudinally...
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4764023 |
Heat transfer rate measurement using the optical properties of a dissolving coating
In a method of determining the rate of heat transfer from a surface due to liquid convection, a coating of a material capable of dissolving in the convecting liquid and whose optical properties on...
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4749415 |
Fast response thermocouple element
A thermocouple element (10) for use in high-pressure, high temperature fluid applications having a cylindrical body portion (12) formed from a first metal and a cap (14) formed from a dissimilar...
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4747700 |
Thermocouple rake
A thermocouple rake for measuring the temperature of heated fluids. The thermocouple rake is provided with a cooling chamber for circulating a coolant about individual thermocouple assemblies to...
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4734872 |
Temperature control for device under test
A system for and method of precisely controlling the temperature of an electronic component through a range of temperatures by controlling the temperature of a gas forced into contact with the...
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4655607 |
High speed hot air leak sensor
A hot air leak sensor for sensing jet engine bleed air leaks in an aircraft. Infrared detectors are combined with thermal re-radiating elements which are installed in air passages adjacent to the...
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4630939 |
Temperature measuring apparatus
This invention relates to an apparatus and process for measuring the temperature of a fluid environment within a vessel. The apparatus features a chamber which opens into the vessel and thus...
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4595299 |
Apparatus for contactless measurement of temperature
Apparatus for measuring the temperature of an elongated movable object such as a wire or wire-rod exiting from a draw plate during a wire drawing process. The wire is located in a column-like...
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4548516 |
Sequential thermography fluid flow indicator
An apparatus for indicating the fluid flow through implanted shunts by temperature sensing. The sensor comprises a series of thermistors carried by a flexible substrate mounted on a rigid support....
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4547080 |
Convective heat flow probe
A convective heat flow probe device is provided which measures heat flow and fluid flow magnitude in the formation surrounding a borehole. The probe comprises an elongate housing adapted to be...
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4511264 |
Gas temperature monitoring device
A probe for measuring temperatures in a hot gaseous medium such as the gases inside the shaft of a blast furnace. A first tubular member extends from a base structure such as a blast furnace wall...
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4487193 |
Thermally operated propeller assembly
A temperature indicating propeller assembly comprises first and second propellers freely suspended one above the other on a common suspension wire for rotation by rising air currents. One propeller...
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4471647 |
Gas chromatography system and detector and method
There is described a gas chromatographic assembly formed on a semiconductor wafer by etching techniques. There is also described an improved thermal detector for use therewith.
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4430010 |
Thermal method of testing liquids from a nozzle
Liquids flowing from a nozzle or the like are tested by providing a sensing element having a heated tip part, directing a liquid to be tested to the tip of the sensing element so that the liquid...
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4422778 |
Method for measuring asphalt pavement temperature and device for implementation of the same
A method for measuring the temperature of an asphalt pavement, that comprises the measurement of temperature of air used as a heat-carrying agent, drawn through the pavement prior to measuring the...
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4403516 |
Furnace probe
Plural gas samples are simultaneously collected and the temperature at each sampling point accurately measured by means of a probe which may be inserted into the furnace charge. The probe is...
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4400097 |
System for measuring temperatures in pressurized reactors
A system for the measurement of temperatures in a reactor such as those operated under high pressure and/or temperature is disclosed. The temperature is measured by the use of a pyrometer which is...
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4381154 |
Method of and apparatus for nondestructively determining the composition of an unknown material sample
The composition of a sample is determined with reference to a recorded standard using the same heater and sensor as that used to record the standard, by testing the sample only when its temperature...
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4355909 |
Temperature measurement by means of heat tubes
A method and apparatus for measuring the temperature of hot fluids (1) in environments involving thermal radiation. The apparatus comprises at least one radiation-protected measuring body (4)...
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4265116 |
Fluidic temperature sensor
A fluidic analog temperature sensor which compensates for variations in the supply pressure to the temperature sensor.
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4215565 |
Method and apparatus for testing a fluid
A method of testing a fluid is disclosed which comprises passing a main flow of a fluid through a conduit; inserting into said conduit a probe having an inlet opening which faces downstream of the...
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4191052 |
Non-contact flueric temperature sensing method and apparatus
A flueric nozzle-baffle combination for remotely measuring the surface terature of either a stationary or moving object. The flueric nozzle opens to a sensing head which is preferably parallel to...
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4187434 |
Long life radiation shield for gas temperature measurement
A suction pyrometer radiation shield comprising an elongated first alumina refractory tube, a series of smaller alumina refractory tubes arranged around and bonded to the inside surface of said...
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4122722 |
Anemometer compensator linearizer
Fluid flow velocity and turbulence are computed by processing bridge excitation voltage provided in hot wire or hot film anemometry. A system utilizing a log converter circuit provides an output...
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4047379 |
Transient air temperature sensing system
In a gas turbine engine of the type which includes an inlet particle separator, there is provided apparatus for measuring the temperature of the air entering the engine compressor. A remote...
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4044612 |
Probe for obtaining gas samples from a shaft furnace
An elongate probe to obtain gas samples and temperature readings at selected locations in the burden of a furnace such as a blast furnace includes: an outer shell; an axially arranged inner shell;...
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4038105 |
Radiation shields for aspirating pyrometers
An improved heat shield for shielding a sheathed thermocouple from heat radiating from or to surrounding bodies having temperatures different from the temperatures of hot gases which are being...
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4000647 |
Heating device for flow sondes
This invention relates to an improvement in a flow sonde, particularly for measuring aerodynamic values in aircraft such as the total pressure, the static pressure and the total temperature. The...
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3995490 |
Method and apparatus for the continuous monitoring of a continuous metallurgical process
A continuous metallurgical process such as electroslag refining or continuous casting is continuously monitored by surrounding the area of the melt with a hollow sleeve that contains a continuous...
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3968689 |
Mounting thermocouples in internal combustion engines
A gasket structure for supporting thermocouple junctions in a stream of gas passing through an internal combustion engine. The thermocouple leads are passed edgewise through a gasket, which is...
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3935032 |
Sheathed thermocouple
A thermocouple for measuring the temperatures of hot gases up to and above 3000° F. with surroundings at the same or different temperatures, the thermocouple having its hot junction encased in a...
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3923552 |
HERMETICALLY SEALED THERMOCOUPLE ASSEMBLY
A thermocouple assembly has an outer sheath positioned about a thermocouple probe. The outer sheath includes a casing and a tube joined at one end about a washer to form a hermetic seal at room...
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3901081 |
Soot blower with gas temperature or heat flow detecting means
A retractable soot blower is used as a temperature detector or a heat flow detector. The lance tube of the blower acts as a temperature or a total heat sensing probe in addition to performing its...
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3864843 |
APPARATUS FOR CONTINUOUSLY MEASURING THE SURFACE TEMPERATURE OF MOVING WEBS
In a wheel drier the temperature is continuously measured with a radiation pyrometer which is arranged in the rim of the drying wheel so that while the wheel rotates, the same surface element of...
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3728615 |
SMOKE, GAS, OR RAPID TEMPERATURE INCREASE DETECTOR UTILIZING A PERIODIC ELECTRIC FIELD TO CREATE A SELF-SUSTAINED AVALANCHE CURRENT
A method and apparatus for detecting smoke, gaseous products of combustion such as CO, CO 2 , and a rapid temperature rise, the method including the steps of periodically forming, in a location...
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