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7969074 |
Low pressure discharge lamp
The invention relates to a mercury-free low pressure discharge lamp with a discharge vessel having an ionizable filling. The surface temperature of the discharge vessel, and thus the temperature of...
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7901110 |
System and method for forced cooling of lamp
A gas discharge lamp includes an arc envelope and a cooling device. Cooling passage is provided between the arc envelope and the cooling device. An airflow blocking structure is mounted rotatably...
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7781947 |
Apparatus and methods for producing electromagnetic radiation
An apparatus for producing electromagnetic radiation includes a flow generator configured to generate a flow of liquid along an inside surface of an envelope, first and second electrodes configured...
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7586264 |
Collector cooling arrangement
A cooling arrangement for an electron collector of an electron beam tube has a plurality of solid dielectric spacers surrounding the corrector with an electrically insulative and thermally...
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7578604 |
Intense pulse light device having individual rotational light filters therein
Disclosed is an intense pulse light device, in which plural divided light filters coated with individually different materials are rotatably and uniformly aligned around a reflection mirror in...
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7439660 |
Discharge lamp having cooling means
A discharge lamp, and particularly a high-pressure gas-discharge lamp (an HID (high-intensity discharge) lamp or UHP (ultra-high performance) lamp), having a reflector and a cooling means is...
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7182485 |
Cooling air gathering plate
A cooling air gathering plate for enhancing a cooling effect of a projector lamp is disclosed. The gathering plate has a notch to collect the cooling air at a lampwick, a welding point of the lamp,...
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6979939 |
Cooling device for an electron tube
The present invention relates to a cooling device for an electron tube designated to amplify a high frequency signal. The invention is particularly suitable for cooling electron tubes that amplify...
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6917143 |
Lighting apparatus with enhanced capability of removing heat
A lighting apparatus comprises an LED-mounted substrate and an exhauster. The substrate has a flat area as well as one or more raised areas of trapezoidal cross section which each form a passage...
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6832844 |
Ultraviolet lamp assembly
There is provided an improved ultraviolet lamp assembly using an ultraviolet lamp with a vented closed end quartz tube having improved and increased ultraviolet lamp intensity output for increased...
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6831404 |
Flat panel display, method of high vacuum sealing
An evacuated cavity is hermetically sealed between a baseplate and faceplate of a flat panel display. Melting a glass powder, or frit, on the perimeter of the viewing area forms the hermetic seal....
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6759794 |
Discharge lamp with vented reflector
A high intensity discharge lamp assembly (10) has improved thermal venting. The discharge light source (12) is housed within a reflector body (20). Recesses (40) are circumferentially spaced around...
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6657367 |
Dielectric barrier discharge lamp device
A dielectric barrier discharge lamp device which allows ultraviolet rays to be uniformly radiated onto a workpiece having a large surface area and which can be easily adapted to the size of...
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6530539 |
Internal fluid cooled window assembly
An interceptor missile including an infrared radiation detection subsystem and a window assembly in the hull of the missile optically coupled to the infrared radiation detection subsystem. The...
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6406167 |
Method and apparatus for affixing a cover guard on a linear fluorescent lamp
A fluorescent lamp assembly and method of making the same for enclosing a lamp with a protective cover guard and attaching the cover guard to a base of the lamp. The cover guard is placed over and...
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6218780 |
High-pressure discharge lamp with a cooled electrode
Each electrode comprises a shaft (6) and a head (5), the shaft being sealed in a vacuum-tight fashion in each case in an end region (2, 22) of the discharge vessel. At least one electrode is cooled...
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6087764 |
Liquid-cooled discharge lamp
Liquid-cooled discharge lamps of, for example, UV type are employed for sterilising objects, for example, packaging containers for foods. In lamps displaying a U-shaped luminant body and with a...
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5705881 |
Very high power vacuum electron tube with anode cooled by forced circulation
The disclosure relates to very high power (one megawatt and more) electron tubes with cylindrical anodes. To cool the anode, which receives about one kilowatt per square centimeter, water is...
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5493178 |
Liquid cooled fluid conduits in a collector for an electron beam tube
A liquid cooled collector for an electron beam tube. The collector includes a dielectric body through which is formed a central cavity. Within the central cavity are disposed at least one electrode...
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5471109 |
Method and apparatus for preventing reverse flow in air or gas cooled lamps
A method and apparatus for preventing contaminated reverse flows in air or gas impingement cooled lamps. In an electrodeless lamp, a stream of clean air or gas is provided as a replacement for...
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5363016 |
Cooled reentrant TWT ladder circuit having axially raised cooling bars
A PPM coupled-cavity traveling wave tube has an RF structure comprising a re-entrant double-staggered ladder circuit. Several cavities are separated by iron pole pieces with penetrating slots to...
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5334905 |
Immersible lamp for a photochemical reactor
An immersible lamp for use in a photochemical reactor has an outer bulb (10) surrounding an inner discharge tube (1) which can be cooled by a flow of inert gas such as nitrogen from a supply...
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5235251 |
Hydraulic fluid cooling of high power microwave plasma tubes
A coolant system for a high power microwave excited plasma tube is described which comprises hydraulic fluid in a coolant system structure for flowing the fluid into heat exchange relationship with...
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5168302 |
Apparatus for permeating irradiated light
A light permeating apparatus preferably employable for an exposing equipment, a drying equipment, a printing equipment for forming a pattern on a printed circuit board is disclosed. The apparatus...
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5147130 |
Cooling liquid recirculation system for light source unit
In a cooling liquid recirculation system, walls of transparent jacket tubes for cooling a mercury-vapor lamp, which jacket tubes are provided separately from the mercury-vapor in accordance with...
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5087853 |
Magnetron and dielectric heater using magnetron
A magnetron having an anode cylinder, cooling fins fixed thereto, permanent magnets vertically superposed on the anode cylinder and a yoke, serving as a magnetic path, for surrounding these...
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5055741 |
Liquid coolant for high power microwave excited plasma tubes
A coolant system for a high power microwave excited plasma tube is described which comprises liquid dimethyl polysiloxane in a coolant system structure for flowing the liquid into contact with the...
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5039913 |
Method for the cooling of targets as well as cooling device for targets
The rear surface of an sputtering target (1) is actively cooled exclusively in regions spaced from breakthrough-prone regions. The cooling takes place in regions along the erosion profile outside...
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5008593 |
Coaxial liquid cooling of high power microwave excited plasma UV lamps
In a high power microwave excited plasma system including a microwave energy source operatively coupled to a plasma tube for generating a plasma within the tube, a gaseous medium within the tube...
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4988910 |
Electron power tube cooled by circulation of a fluid
A power electron tube cooled by the circulation of a fluid is disclosed. This tube comprises a hollow, cylindrical anode mounted coaxially around a hollow, cylindrical grid, itself surrounding a...
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4963783 |
Electroded photochemical lamps for photochemical mercury separation
An apparatus and method for the photochemical isolation and separation of specific mercury isotopes from mixtures of mercury isotopes is disclosed. The system employs an electroded mercury...
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4899080 |
Projection television display tube with cooling means and display device having such a display tube
Projection television display tubes having an evacuated envelope (1) with a display window (4) which on its inside comprises a display screen (5) and in front of which a light permeable second...
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4877997 |
High brightness and viewed gas discharge lamp
An end-viewed low-pressure gas discharge lamp and an envelope for said lamp having a capillary tube discharge bore for containing an excitable gas in which the capillary tube is in direct contact...
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4877991 |
Optical radiation source
An improved optical radiation source for use in illumination that is obtained from a thinwall tubular arc lamp with a high input power density that delivers high brightness. It includes a...
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4797535 |
Tungsten-halogen heater
A method and apparatus for heating by use of tungsten-halogen heating elements. A space heater for use with a radiator or other heat using apparatus employs the principle of collecting heat emitted...
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4775817 |
Faceplate cooling system for display tube
The invention relates to a display tube which is cooled by a flow of a translucent cooling liquid through a sealed space adjacent the display window, stimulated by a fluid-driven pump having two...
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4748377 |
Travelling wave tubes
A coupled cavity travelling wave tube has a coupling wall/ferro-magnetic pole piece formed as an iron-copper-iron sandwich with a coolant channel therein defined at least in part by the inner...
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4746832 |
Controlling the vapor pressure of a mercury lamp
The invention described herein discloses a method and apparatus for controlling the Hg vapor pressure within a lamp. This is done by establishing and controlling two temperature zones within the...
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4700109 |
Crossed-field amplifier
An improvement to an existing crossed-field amplifier is shown which includes the replacement of an existing thermionic emitter with a larger platinum emitter. The platinum emitter is cooled from a...
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4651047 |
Projection television display tube
A projection television display tube having an evacuated envelope (1) with a display window (4) which has a display screen (5) on its inside and in front of which a light-permeable second window...
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4625324 |
High vacuum rotating anode x-ray tube
An all metal and ceramic high vacuum rotary anode x-ray tube adapted for mounting on a gantry of a rotational type CT scanner. The evacuated region where x-rays are generated is maintained at about...
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4503358 |
Fluorescent lamp having separate cooling means for ballast and fluorescent tube
A fluorescent lamp device according to the present invention includes a ballast, a screw base electrically connected to the ballast, a fluorescent tube curved in an arc at three portions thereof, a...
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4442373 |
Apparatus for reducing aerodynamic drag in system for air cooling a high power vacuum tube
A high power vacuum tube 10 has a cylindrical body 16 and a plurality of radially extending fins 18. A cylindrical wall 20 is co-axially disposed about the body and the fins, thus defining an air...
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4433265 |
Cooled discharge lamp having a fluid cooled diaphragm structure
To cool the diaphragm of a spectral discharge lamp having an anode and a cathode between which a discharge is established, which discharge is controlled by the diaphragm, a fluid supply and removal...
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4325006 |
High pulse repetition rate coaxial flashlamp
A coaxial flashlamp for pulsed operation at high repetition rates having an annular, light emitting discharge path between fluid cooled coaxially disposed, inner and outer optically transparent...
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4256990 |
Cooling system for tunable microwave generator
A magnetron with a central cathode coaxially surrounded by an annular anode forming an array of cylindrical resonant cavities is tunable by an axially movable disk carrying hollow plungers which...
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4243914 |
Circulating fluid cooled delay line for high frequency tubes, and high frequency tubes having such a delay line
A delay line for a high frequency tube that is cooled by circulating fluid.The cooling fluid circulates in a duct (FIG. 3, 10), formed in the space between two sleeves (8 and 9). The sleeves are of...
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4141224 |
Closed loop spray cooling apparatus
A closed loop apparatus for spraying coolant against the back of a radiation target. The coolant is circulated through a closed loop with a bubble of inert gas being maintained around the spray....
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4077231 |
Multistation refrigeration system
A closed cycle refrigeration (CCR) system is disclosed for providing cooling at different temperatures to different parts of a maser. The CCR includes a first station for cooling the maser's parts,...
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4071799 |
Sodium vapor lamp with emission aperture
A low pressure sodium vapor lamp including a sodium vapor discharge tube and a light reflector partially surrounding the discharge tube and defining a light transmission aperture for desired...
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