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Having a particular total or partial pressure

Subclass of:

313 - Electric lamp and discharge devices

313567000 - WITH GAS OR VAPOR

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
313568000 Having a particular total or partial pressure 36
20080218078Cooled High-Pressure Gas-Discharge Lamp - The invention relates to a cooled high-pressure gas-discharge lamp, at least comprising a cooled envelope (09-11-2008
20090134792ELECTRIC DISCHARGE LAMP - An electric discharge lamp has a ceramic luminous tube and filled with xenon gas, a pair of electrodes 05-28-2009
313569000 Incandescent lamp 2
20100060160HALOGEN BULB - The invention relates to a halogen bulb comprising two filaments that are located (03-11-2010
20140084785LIGHT SOURCE DEVICE, METHOD FOR MANUFACTURING THE SAME AND FILAMENT - A filament showing high radiation characteristics and hardly suffering from disconnection and film separation is provided by using a high melting point metal compound such as tantalum carbide. As the filament, a filament comprising a tungsten base material 03-27-2014
313570000 Greater than 760 torr 14
20080272695Lamp capsule retainer - A lamp assembly (11-06-2008
20090026947Method for Producing a Discharge Tube Arrangement, and One Such Discharge Tube Arrangement - A method for producing a discharge tube arrangement (01-29-2009
20090153048HIGH-PRESSURE GAS DISCHARGE LAMP - A description is given of a high-pressure gas discharge lamp (HID lamp) which comprises an at least essentially mercury-free discharge gas and is suitable and/or intended for use in projection displays, in particular in the form of a short-arc lamp. A lamp voltage and efficiency which are comparable to mercury lamps are essentially achieved in that the discharge gas comprises a noble gas and also zinc as a voltage gradient former and light generator, wherein the pressure of the zinc in the gas phase is preferably approximately 30 bar in the operating state of the lamp. An evaporation which is necessary to achieve this pressure is made possible by increasing in particular the lowest temperatures in the discharge vessel. Various measures are proposed for increasing the temperature.06-18-2009
20090295287MERCURY-FREE DISCHARGE BULB - There is provided a mercury-free discharge bulb for a vehicle. The mercury-free discharge bulb includes an arc tube. The arc tube includes: a light-emitting portion which is formed of a ceramic tube and includes a light-emitting material and a starting xenon gas filled therein, wherein a filling pressure of the starting xenon gas from about 6 atm to about 18 atm; thin tube portions which are formed at respective ends of the light-emitting portion; and electrodes which are fixed inside the thin tube portions and which are provided in the light-emitting portion so as to face each other. The light-emitting material includes at least a sodium halide and a rare-earth metal halide excluding a scandium halide, and a difference between a vapor pressure of the sodium halide and a vapor pressure of the rare-earth metal halide under an environment of about 1000° C. is about 10 kPa or less.12-03-2009
20100109522MERCURY-FREE HIGH INTENSITY GAS-DISCHARGE LAMP - The invention describes a mercury-free high intensity gas-discharge lamp (05-06-2010
20100141137HIGH-PRESSURE DISCHARGE LAMP AND VEHICLE HEADLIGHT WITH HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp may include a discharge vessel which is sealed in a gas-tight manner and in which electrodes and an ionizable fill for generating a gas discharge are enclosed, the ionizable fill being in the form of a mercury-free fill which includes xenon and halides of the metals sodium, scandium, zinc and indium, wherein the weight ratio of the halides of zinc and indium is in the range of from 20 to 100, and wherein the coldfilling pressure of xenon is in the range of from 1.3 megapascal to 1.8 megapascal.06-10-2010
20110031878HIGH EFFICIENCY DISCHARGE LAMP - A high pressure gas discharge lamp 02-10-2011
20110248628MERCURY-FREE DISCHARGE LAMP - A mercury-free discharge lamp with an electrical power consumption of less than 35 Watts may include a translucent discharge vessel which has a discharge space into which electrodes protrude for generating a gas discharge, wherein metal halides and ignition gas are contained in the discharge space, wherein the metal halides are present in a quantity in the range from 10-13-2011
20110304266HIGH INTENSITY GAS-DISCHARGE LAMP - The invention describes a high intensity gas-discharge lamp (12-15-2011
20120038270XENON FLASH LAMP - A pulsable light source for a spectroscopy instrument is provided, the light source including a xenon flash lamp having an anode and a cathode within a sealed envelope of pressurized xenon gas, the anode and the cathode being spaced so that an arc can be struck between the anode and the cathode without the use of a trigger electrode.02-16-2012
20120098423MERCURY-FREE HIGH-INTENSITY GAS-DISCHARGE LAMP - The invention describes a mercury-free high-intensity gas-discharge lamp (04-26-2012
20120126694MERCURY-FREE HIGH INTENSITY GAS-DISCHARGE LAMP - The invention describes a mercury-free high intensity gas-discharge lamp (05-24-2012
313571000 Includes mercury in gas or vapor fill 2
20090289550HIGH-PRESSURE MERCURY DISCHARGE LAMP - The invention relates to a high-pressure mercury discharge lamp for DC operation at a nominal wattage of more than 1.5 kW. Said high-pressure mercury discharge lamp comprises an anode, at least some areas of which are made of a material containing at least some tungsten, said material having a grain number of more than 200 grains per mm11-26-2009
20110095680METAL HALIDE DISCHARGE LAMP HAVING HIGH-PRESSURE BUFFER GAS - In various embodiments, a high-pressure discharge lamp that is intended to operate with system voltage. The high-pressure discharge lamp may include a discharge vessel that surrounds a discharge volume, a fill that contains metal halides, mercury and inert gas from the group of neon, argon, krypton and xenon being accommodated in the discharge volume, wherein the fill contains at least one of the halogens of iodine and bromine, a zero current phase in the power supply being bridged by selecting the cold fill pressure of the inert gas in the range of 4 to 8 bar.04-28-2011
313572000 One torr thru 760 torr 17
20080278073LOW WATTAGE FLUORESCENT LAMP - A low-wattage mercury vapor discharge fluorescent lamp is provided. The lamp has a discharge sustaining fill of mercury vapor and an inert gas having 1-100 mole % xenon, balance comprising a rare gas or rare gas mixture, such as krypton or argon. The fill gas has a total pressure of 0.5-4 torr, and the lamp being adapted to operate below 10 watts per foot of arc length.11-13-2008
20100079068HIGH-PRESSURE DISCHARGE LAMP - In various embodiments, a high-pressure discharge lamp has a metal halide fill, iodine and bromine being used as the halogen. In addition, noble gas and Hg are used. Thallium is used as the metal, with the proportion of TlI being in the range from 25 to 75 wt. % of the mixture of TlI and TlBr.04-01-2010
20100253219HIGH PRESSURE SODIUM LAMP - The present invention relates to a high pressure sodium lamp comprising an evacuated cover including a base part, an arc tube comprising a first and a second electrode each being connected to the base part via conductor members. At least one conductor member is arranged isolated by a shielding member for preventing, during operation of the high pressure sodium lamp, the photo electronic stream from the at least one conductor member to the arc tube. The lamp comprises a second arc tube.10-07-2010
20110156581EXCIMER LAMP - An excimer lamp has a single tubular discharge chamber configured to enclose a discharge gas that is a noble gas or a mixing gas consisting of a noble gas and a halogen gas; a pair of electrodes configured to be arranged along opposite sides of the exterior surface of the discharge chamber; and an outer tube configured to cover the discharge chamber and the electrodes. Excimer molecules are produced by either dielectric barrier discharge or capacitive-coupled high-frequency discharge. An interior of a space formed between the outer tube and the discharge chamber is either in a vacuum state that is necessary and sufficient for preventing discharge, or is filled with an arc-suppression gas.06-30-2011
20120176028ARC TUBE DEVICE AND STEM STRUCTURE FOR ELECTRODELESS PLASMA LAMP - A plasma lamp apparatus. The apparatus has an arc tube structure having an inner region and an outer region in one or more embodiments. The arc tube structure has a first end comprising an associated first end diameter and a second end comprising a second end diameter according to a specific embodiment. The apparatus also has a center region provided between the first end and the second end in one or more embodiments. The center region has a center diameter, which is less than a first end diameter and/or a second end diameter.07-12-2012
20120176029FILL COMBINATION AND METHOD FOR HIGH INTENSITY LAMPS - A plasma lamp apparatus. The apparatus can have a bulb coupled to at least the first end of a support member that is provided within a housing having an interior and exterior region. The housing can also have a first coupling member disposed within the housing, and a gap can be provided between the first coupling member and the support member. Additionally an rf source can be coupled to the support member. A fill material, which can include at least a first volume of a rare gas, a first amount of a first metal halide, a second amount of a second metal halide, and a third amount of mercury, can be spatially disposed within the bulb.07-12-2012
20130057144FLUORESCENT FLAT PANEL LAMP FOR INCREASED LUMEN OUTPUT - Embodiments of the present invention generally relate to a fluorescent flat panel lamp. In one aspect, a flat panel lamp is provided. The flat panel lamp includes a substantially flat glass plate. The flat panel lamp further includes a formed plate attached to the substantially flat glass plate. The glass plates are hermetically sealed and define a channel. The channel is configured to hold gas and mercury. The flat panel lamp further includes an electrode at each end of the channel, wherein a ratio of the active area of the channel to a surface area of the electrode is less than 10.03-07-2013
20130106281HIGH-PRESSURE DISCHARGE LAMP05-02-2013
20140103799HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp may include a bulb, which surrounds a discharge volume, wherein a fill which contains mercury and a noble gas from the group consisting of neon, argon, krypton, xenon on its own or in a mixture is accommodated in the discharge volume, wherein the fill contains Gd in halide form in order to produce a color temperature of at least 7500 K.04-17-2014
20140167606HIGH-PRESSURE DISCHARGE LAMP HAVING A STARTING AID - A high-pressure discharge lamp having a starting aid and having a discharge vessel is disclosed, wherein the discharge vessel has two ends with seals, in which electrodes and possibly power supply lines are fastened, wherein the starting aid includes a wire system consisting of a core wire and a wrapping wire applied thereto, wherein the wrapping wire is a flat-pressed or flattened wire.06-19-2014
313573000 Having specified envelope detail 6
20100141138LOW POWER DISCHARGE LAMP WITH HIGH EFFICACY - In order to achieve a discharge lamp suited to operate under reduced nominal power of e.g. 20-30 W, a lamp is proposed with two electrodes (06-10-2010
20110266947CERAMIC GAS DISCHARGE METAL HALIDE LAMP - A ceramic gas discharge metal halide (CDM) lamp (11-03-2011
20120019133LOW POWER CERAMIC GAS DISCHARGE METAL HALIDE LAMP WITH REDUCED GLOW VOLTAGE - A low power ceramic gas discharge metal halide (CDM) lamp 01-26-2012
20120169224HIGH INTENSITY DISCHARGE LAMP - The invention provides a high intensity discharge lamp comprising a ceramic discharge vessel having sealed first and second end plugs and an external electrical antenna, which is used as “active” antenna for facilitating ignition of the high intensity discharge lamp. The discharge vessel encloses a discharge volume and comprises two electrodes and contains a filling.07-05-2012
20140015403CERAMIC DISCHARGE METAL HALIDE (CDM) LAMP AND METHOD OFMANUFACTURE THEREOF - A high-power ceramic discharge metal halide (CDM) lamp with a shroud-type containment assembly is disclosed. The lamp includes: a first shroud (01-16-2014
20140042901Light Emitter - A Lucent Waveguide Electromagnetic wave Plasma Light Source has a fabrication of fused quartz sheet and drawn tube. An inner closed void enclosure is formed of 8 mm outside diameter, 4 mm inside diameter drawn tube. Electromagnetic wave excitable plasma material is sealed inside the enclosure. The end plate is circular and has the enclosure sealed in a central bore in it, the bore not being numbered as such. A similar plate is positioned to leave a small gap between the inner end of the enclosure and itself. The two tubes are concentric with the two plates extending at right angles to their central axis. The outer tube extends back from the back surface of the inner plate as a skirt.02-13-2014
313574000 With electrode structure 1
313575000 Composite 1
313576000 With rare gas 1
20130154475HIGH INTENSITY DISCHARGE LAMP WITH IMPROVED STARTABILITY AND PERFORMANCE - A lamp includes a discharge vessel; electrodes spaced apart in the discharge vessel comprising tungsten or tungsten alloy; and a fill sealed within the vessel having a pressure between 50-200 mbar. The fill includes: a starting gas which comprises: xenon, krypton, argon or combinations thereof with the exception of pure argon; optionally radioactive Kr06-20-2013
313577000 Less than .1 torr 1
20110101859FIELD EMISSION DEVICE WITH PROTECTING VAPOR - A field emission device in which a protectin vapor is present in an evacuated space between a field emission cathode assembly and an anode. The protectin vapor may be one or more hydrogen-containing gases suc as a gas containing M—H bonds where M may be C, Si, B, Al or P. The protecting vapor has within the evacuated space a partial pressure greater than about 1005-05-2011

Patent applications in all subclasses Having a particular total or partial pressure

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