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| Number | Title | Issue Date |
| 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 described. The cooling means comprises at least one nozzle (3) by wh... | 10/21/2008 |
| 7301282 | High pressure mercury lamps and sealing members therefor An object of the invention is to reduce the adverse effects due to a difference of thermal expansion between a conductive sealing member and a light-emitting vessel and to provide a reliable high pressure mercury lamp, even when the lamp is operated at a high pressu... | 11/27/2007 |
| 7284878 | Lumen regulating apparatus and process The present invention is a fluorescent light lumen regulating apparatus. More specifically, in one aspect, the present invention is a fluorescent lighting assembly for mounting at least one fluorescent lamp. In this aspect, the lighting assembly comprises a lamp hou... | 10/23/2007 |
| 7233493 | Electronic device having a temperature control system including a ductwork assembly A ductwork assembly can be used with an electronic device wherein the electronic device includes a fan and the ductwork assembly is configured to receive a heat transfer fluid from the fan. A disperser lies within the ductwork assembly and is attached thereto in ord... | 06/19/2007 |
| 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, and/or any high temperature position of the lamp. A center line of t... | 02/27/2007 |
| 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 radio frequency signals used for television or radio. The electron tu... | 12/27/2005 |
| 6972514 | Low-pressure mercury vapor discharge lamp with improved heat dissipation, and manufacturing method therefore A bulb-type fluorescent lamp has a case having an open end portion for housing a lighting circuit therein, an arc tube extending outside through the open end portion of the case, and a globe having an open end portion for housing the arc tube therein. An adhesive is... | 12/06/2005 |
| 6933683 | Microwave powered lamphead having external shutter A microwave powered lamp head assembly includes a shutter assembly which may be activated to selectively allow transmission of light from the microwave powered lamp bulb. The shutter assembly allows unrestricted airflow when it is in the closed position so that the ... | 08/23/2005 |
| 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 thereunder. LEDs are mounted on the raised areas. When the LED-mounted ... | 07/12/2005 |
| 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 germicidal and bactericidal effect for use in purification, sterilizi... | 12/21/2004 |
| 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. After melting the frit, a first fluid is circulated through the cavit... | 12/14/2004 |
| 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 an open end (28) of the reflector... | 07/06/2004 |
| 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 workpiece. In the dielectric barrier, at least one dielectric bar... | 12/02/2003 |
| 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 window assembly includes an inner window, an outer window, and... | 03/11/2003 |
| 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 encloses the lamp and extends partially over the lamp base... | 06/18/2002 |
| 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 by virtue of the fact that its shaft contains a cooling t... | 04/17/2001 |
| 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 surrounding liquid container or envelope, cooling is improved... | 07/11/2000 |
| 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 usually made to circulate in a jacket surrounding the anode with... | 01/06/1998 |
| 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 that dissipates the impinging electron beam. The electrod... | 02/20/1996 |
| 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 contaminated air.... | 11/28/1995 |
| 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 provide RF coupling between the cavities. Re-entrant copper ... | 11/08/1994 |
| 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 chamber (23) though hollow guide rods (6, 7) into a remote end (... | 08/02/1994 |
| 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 the plasma tube. Such a coolant system can operate over t... | 08/10/1993 |
| 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 includes an opposing pair of light permeable plates, a casi... | 12/01/1992 |
| 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 the prior art are formed in optical filters to thereby decre... | 09/15/1992 |
| 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 components. The cooling fins extend on the windward direction to ... | 02/11/1992 |
| 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 plasma tube, the system structure comprising metallic or h... | 10/08/1991 |
| 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 of the regions of greatest erosion rate. For this purpose a... | 08/13/1991 |
| 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 for supporting a plasma and a reflector for focusing radiati... | 04/16/1991 |
| 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 cathode. The interior of the anode is hermetically closed. A... | 01/29/1991 |
| 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 photochemical lamp having a uniform, controlled output. The lamp i... | 10/16/1990 |
| 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 window (6) is provided on its outside, a cooling liquid (16) f... | 02/06/1990 |
| 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 with a cooling medium. A window of optical quality fused si... | 10/31/1989 |
| 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 constricting enclosure that exerts a compressive force upon the ins... | 10/31/1989 |
| 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 by a tungsten-halogen element by use of a heat transfer f... | 01/10/1989 |
| 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 chambers, a drive chamber driven by a remotely located activ... | 10/04/1988 |
| 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 copper member of the sandwich. Where the coolant channel is def... | 05/31/1988 |
| 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 lamp. One zone is colder than the other zone. The first zone... | 05/24/1988 |
| 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 surface opposite to the surface upon which a high voltage... | 10/13/1987 |
| 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 (6) is provided on the outside, a cooling liquid flowing thr... | 03/17/1987 |
