With Cooling Means Patents (Class 34/278)
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Patent number: 11000609Abstract: A disinfection system is provided herein. The disinfection system includes an UV light source to generate UV light and a housing supporting the UV light source. The housing includes a fan and a shield having a body partially surrounding the UV light source. The body has an inner surface sized and shaped to reflect the UV light from the UV light source. The body defines at least one hole configured to receive air flow from the fan and direct the air flow to contact the UV light source to control a temperature of the UV light source.Type: GrantFiled: March 23, 2018Date of Patent: May 11, 2021Assignee: CLASS 1 INC.Inventor: Barry Hunt
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Patent number: 9242411Abstract: Embodiments of the present invention are directed to a system and method for controlling fabrication of three-dimensional objects, layer by layer, the system comprising a printing assembly, including an irradiation unit and a printing head, the printing assembly is movable between a printing area and a service area. A light sensor positioned at the service area to measure output radiation power of the irradiation unit at a printing plane and a controller to receive information from the sensor and to automatically adjust electrical power supplied to the irradiation unit based on the information.Type: GrantFiled: January 6, 2009Date of Patent: January 26, 2016Assignee: STRATASYS LTD.Inventors: Eliahu M. Kritchman, Alexander Libinson, Moshe Levi, Guy Menchik
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Patent number: 9090114Abstract: A machine includes a conveyor configured to receive and convey a circuit assembly treated with a UV curable coating material; a UV zone that includes one or more LED-based UV radiation sources; a heating zone; and a controller configured to control heating of a circuit assembly treated with a UV curable coating material in the heating zone to achieve a target temperature of the treated electronic assembly prior to the UV zone. Various other apparatuses, systems, methods, etc., are also disclosed.Type: GrantFiled: September 8, 2010Date of Patent: July 28, 2015Inventors: Brian A Stumm, Eric Sari
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Patent number: 8984764Abstract: An ink curing apparatus (11) comprising a UV light source (13); at least one moveable shutter means (17, 17a), which is moveable about the longitudinal axis of the UV light source (13); and at least one reflector (15); wherein at least one air passage (19a) is defined along substantially the entire surface area of the or each reflector (15).Type: GrantFiled: February 21, 2013Date of Patent: March 24, 2015Assignee: GEW (EC) LimitedInventors: Malcolm Rae, James Hicks
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Patent number: 8981628Abstract: The present invention provides an ultra violet irradiating device for aligning liquid crystal and also an water-cooling coaxial tube. The ultraviolet irradiating device includes a water-cooling coaxial tube configured with an inter tube and an external pipe enveloping the internal pipe. A light tube is disposed within the internal pipe, and an infrared filter layer is disposed between the internal and external pipes; and an ultra violet filter layer is coated over an external surface of the external pipe so as to filter out an ultra violet light beam having wavelength lower than 320 nm. The breakage of the unit filters resulted from inter pushing with each other or leakage resulted from overlapping of the unit filters can be readily resolved.Type: GrantFiled: June 28, 2013Date of Patent: March 17, 2015Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Chonghui Yin, Wen-pin Chiang
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Patent number: 8312641Abstract: The present invention is related to an UV LED curing apparatus, and more particularly, to a portable UV LED curing apparatus with improved illumination and timer control to solidify a UV hardening gel, such as acrylic gel. The present invention provides an UV LED curing apparatus comprising a housing and an UV LED lighting assembly enclosed in the housing. The housing is provided with a light aperture allowing UV light shone from an UV LED light source on the UV LED lighting assembly and controlled by a timer and a current regulator integrated thereon. The UV LED lighting assembly is further provided with an optical element to direct and confine UV light shine toward the light aperture of the housing, capable of providing a focused illumination and preventing leakage of UV light outside of the housing.Type: GrantFiled: April 16, 2010Date of Patent: November 20, 2012Assignee: Cosmex Co., Ltd.Inventors: Yu-Jen Li, Kuo-Chang Chang, Fu-Ju Sheu, Szu-Hua Wu
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Patent number: 7669530Abstract: A sheet transfer assembly for use above an ultraviolet curing unit in a flexographic printing press used for printing corrugated sheets includes a vacuum plate with heat sinks. The vacuum plate includes openings for rollers that extend through the vacuum plate to drive printed sheets across the bottom of the transfer assembly. Heat sinks are formed on the top surface of the vacuum plate between rollers to remove heat from the vacuum plate. Heat from the UV curing unit is effectively dissipated from the vacuum plate into the air used to hold printed substrates against the rollers in the transfer assembly.Type: GrantFiled: May 25, 2005Date of Patent: March 2, 2010Assignee: Printing Research, Inc.Inventors: John E. Aylor, Dan Cunningham, Howard W. DeMoore, Howard C. Secor
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Patent number: 7411202Abstract: An irradiating apparatus includes a support member and a reflector supported by the support member to define a concave light energy reflector surface. A light source of radiating energy is disposed generally at the source focal point of the reflector. The support member has a passage for cooling air to flow therethrough and openings for distributing the cooling air to the apparatus. The support member, thereby, performs a dual function of supporting the reflector as well as providing a manifold for the cooling air.Type: GrantFiled: July 25, 2005Date of Patent: August 12, 2008Assignee: Dubois Equipment Company, Inc.Inventors: Benjamin W. Hasenour, James F. Arvin
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Patent number: 7089686Abstract: The present invention relates to an apparatus (20, 30) for curing radiation-curable coatings, which has at least one irradiation chamber (22, 32) provided with a plurality of UV radiation sources (18). It is provided according to the invention that a plurality of UV radiation sources (18) are arranged close to one another and interconnected to form one or more irradiation modules (10), the illuminance inside a irradiation module (10) and/or between at least two irradiation modules (10) being spatially variable.Type: GrantFiled: September 15, 2003Date of Patent: August 15, 2006Assignee: Cetelon Lackfabrik Walter Stier GmbH & Co. KGInventors: Herbert Lange, Hartmut Krannich, Reiner Mehnert, Axel Sobottka
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Patent number: 7002170Abstract: The invention relates to an irradiation device for irradiating objects, comprising a housing having an outlet for the electromagnetic radiation directed at an object to be irradiated and at least one long radiation source for the electromagnetic radiation arranged in the housing. In order to enable bigger irradiation widths in an irradiation device, more particularly in a UV irradiation device, without deformation of the radiation source, at least one of the radiation sources in the irradiation device is rotationally arranged about its longitudinal axis.Type: GrantFiled: May 18, 2002Date of Patent: February 21, 2006Assignee: Arccure Technologies GbmHInventor: Bert Schweitzer
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Patent number: 6655040Abstract: A combination ultraviolet curing and infrared dryer system which allows both an ultraviolet curing unit to be used at the same time an infrared dryer is used. The infrared dryer and ultraviolet curing unit are placed in an enclosure having a cooling system which cools both the ultraviolet curing unit and the infrared dryer. The cooling system may comprise an air supply system, or may comprise an air supply system and a water cooling system.Type: GrantFiled: January 4, 2002Date of Patent: December 2, 2003Assignee: The Diagnostics Group, Inc.Inventor: Rodger E. Whipple
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Patent number: 6646278Abstract: The invention relates to an irradiating device, especially for irradiating with ultraviolet light substrates which are provided with a coating that can be cured using ultraviolet light. The inventive device comprises a longitudinally extending radiation source (12) which is provided for emitting ultraviolet and/or visible electromagnetic radiation, which is arranged in a housing (10) between a reflector (18) and a housing opening (14) that can be aligned with an object (16) to be irradiated, and which is preferably configured as a tubular mercury discharge lamp. The inventive device also comprises a cooling system (20) for dissipating the waste heat generated by the radiation source (12). The aim of the invention is to create a compact modular construction and, optionally, an oxygen-reduced illumination zone.Type: GrantFiled: October 12, 2001Date of Patent: November 11, 2003Assignee: IST Metz GmbHInventors: Bernd Schwarz, Gustav Weiss, Günter Fuchs, Klaus Ebinger, Joachim Jung
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Publication number: 20030196347Abstract: A printing machine with several printing units (10), which are arranged in a row and through which a printing carrier sheet (12) passes and downstream from each of which a drying station is disposed, wherein the drying station (22) in each case is disposed at the periphery of an individual tempering roller (26), which supports the printing carrier sheet (12).Type: ApplicationFiled: March 17, 2003Publication date: October 23, 2003Inventors: Wilfried Kolbe, Klaus Schirrich, Michael Schmitt, Bodo Steinmeier
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Patent number: 6622398Abstract: A method for processing semiconductor wafers and similar articles has an ozone remover connected to a processing chamber. The ozone remover has a light chamber surrounded by reflectors. Ozone and other processing gases and vapors flow out of the processing chamber and into the light chamber. Ultraviolet lights in the ozone remover flood the light chamber with ultraviolet light, converting ozone into oxygen. The amount of ozone released into the environment is reduced. A recirculation line receives the gases and vapors flowing out of the ozone remover. Oxygen and any remaining ozone are separated from other gas and vapor components and are recycled back to an ozone generator, to increase the ozone generator efficiency in supplying the machine with ozone.Type: GrantFiled: May 22, 2002Date of Patent: September 23, 2003Assignee: Semitool, Inc.Inventor: Ralph Wayne Thomas
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Publication number: 20030126758Abstract: A combination ultraviolet curing and infrared dryer system which allows both an ultraviolet curing unit to be used at the same time an infrared dryer is used. The infrared dryer and ultraviolet curing unit are placed in an enclosure having a cooling system which cools both the ultraviolet curing unit and the infrared dryer. The cooling system may comprise an air supply system, or may comprise an air supply system and a water cooling system.Type: ApplicationFiled: January 4, 2002Publication date: July 10, 2003Inventor: Rodger E. Whipple
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Patent number: 6393730Abstract: The drying assembly includes a drying apparatus with a far-infrared-ray radiator and ultraviolet irradiator. This ultraviolet irradiator is provided in the rear of the drying apparatus and the irradiation amount irradiated from the device is about 300 to about 600 mJs/cm2.Type: GrantFiled: June 14, 2000Date of Patent: May 28, 2002Assignee: Daito Seiki Co., Ltd.Inventor: Akira Suzuki
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Patent number: 6223453Abstract: A curing apparatus comprises a curing chamber for accommodating a controlled atmosphere for a product being treated and an irradiator for providing radiation directed at the product. The curing chamber has spaced inlet and outlet openings for the product establishing a path of travel underneath the irradiator. First and second nozzle assemblies are disposed adjacent respective inlet and outlet openings for supplying inert gas into the chamber and maintaining an inert atmosphere within the chamber. The nozzle assemblies are removably secured to the chamber. A pre-chamber is provided in the nozzle assemblies to moderate the pressure distribution of the gas within the nozzle assemblies.Type: GrantFiled: December 29, 1999Date of Patent: May 1, 2001Assignee: Fusion UV Systems, Inc.Inventors: Derek S. Matheson, Andrew G. Moulthrop
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Patent number: 6185840Abstract: A layer which can be hardened by radiation is located on a substrate surface of paper, glass, plastics, wood or metal. The layer on the substrate, which is guided through a hardening stage, is subjected to radiation with ultraviolet light whilst the lamp chamber is flushed directly with a gas. The layer can be simultaneously tempered and rendered inert or treated in a chemically active manner.Type: GrantFiled: January 26, 1998Date of Patent: February 13, 2001Assignee: Noelle GmbHInventors: Lutz Noelle, Georg Bolte
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Patent number: 6170169Abstract: A device for drying substrate disks by irradiation with ultraviolet light, wherein during the irradiation process a glass plate is resting on the substrate disk, has a lower part on which the substrate disk rests during drying and a liftable and lowerable upper part for lowering a glass plate onto the substrate disk resting on the lower part. The upper part has a glass plate holding device that is lowered below the substrate disk upon lowering of the upper part for placement of the glass plate onto the substrate disk.Type: GrantFiled: November 23, 1999Date of Patent: January 9, 2001Assignee: STEAG HamaTech AGInventors: Klaus Weber, Ulrich Speer
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Patent number: 6092299Abstract: A present vacuum treating apparatus comprises a process chamber for subjecting an object to a predetermined process in a predetermined vacuum state, a stage located in the process chamber and on which the object is placed, a lamp unit provided at the lower side of the processing chamber and having a plurality of lamps as a light source and adapted to heat the object on the stage by a heat energy of light directed from these lamps to the stage for illumination, a rotation shaft connected to the lamp unit to rotate the lamp unit, a support body rotatably supporting the rotation shaft, and a thermo-module provided at a contacting area of the support body selective to the rotation shaft and, by absorbing heat on its rotation shaft side and dissipating heat on its support body side, transferring the heat on the lamp unit to the support body through the rotation shaft.Type: GrantFiled: September 3, 1998Date of Patent: July 25, 2000Assignee: Tokyo Electron LimitedInventors: Koichi Yamazaki, Shigeru Kasai
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Patent number: 6088932Abstract: A clothes dryer has a plurality of high energy lamps. The high energy lamps are mounted so as to emit high energy radiation toward a drying chamber. A blower is arranged to move air to the plurality of high energy lamps so as cool the high energy lamps. The air that cools the high energy lamps is delivered to the drying chamber. The plurality of high energy lamps is operated to emit ultraviolet energy for sanitizing the articles in the drying chamber and to emit infrared energy for drying the articles in the drying chamber.Type: GrantFiled: December 30, 1997Date of Patent: July 18, 2000Assignee: Amana Company, L.P.Inventors: Joseph R. Adamski, Edward R. Cook, Shou-Heng Huang, Arlynn Sanders
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Patent number: 6035548Abstract: This invention relates to UV dryers and provides an ultraviolet dryer wherein a UV lamp (2) is supported in a reflector housing (1), said housing including a reflector body member (10) having a reflective surface adjacent the lamp (2) and other surfaces spaced therefrom and cooling means (11) for passing a cooling medium over said other surfaces to cool said body member, wherein the reflective surface comprises a thin, flexible strip of heat-conductive sheet material (12) bearing dichroic film, said film exhibiting a high degree of transmission towards infrared radiation and high degreee of reflection toward UV radiation.Type: GrantFiled: April 2, 1999Date of Patent: March 14, 2000Assignee: GEW (EC) LimitedInventor: Malcolm Charles Rae
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Patent number: 5983800Abstract: An improved machine for insolating photopolymer plates and comprising a device secured sidewise onto the frame and delivering a flow of cooling air tangentially to the top part of the frame of the machine to avoid the formation of defects on the photosensitive polymer plate disposed upon the top part of the frame, in view of the energy radiated by the ultraviolet source insolating the plate, the machine permitting the insolation of photopolymer plates for flexographic printing.Type: GrantFiled: October 16, 1997Date of Patent: November 16, 1999Assignee: Rollin S.A.Inventors: Christian Barral, Flaviano Crespi, Giorgio Cattani, Michel Schanen
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Patent number: 5751008Abstract: A UV emitter for drying surface-treated substrates has a housing with an opening aligned toward the substrate. A radiation source is arranged within the housing. At least one air outlet is provided at the opening for an air current sweeping over the opening.Type: GrantFiled: May 1, 1996Date of Patent: May 12, 1998Assignee: IST Strahlentechnik Metz GmbHInventors: Joachim Jung, Bernd Schwarz
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Patent number: 5732477Abstract: The disclosed invention is an ultraviolet curing process that causes a wrinkle pattern to appear on the surface of a curing layer. Initially, the primary stage of the process is generated by irradiating a photopolymerizable layer with far ultraviolet light wherein the dominant wavelength emitted is 254 nanometers. Then, the second stage of the process is performed by heating the photopolymerizable layer. Finally, the third stage of the process irradiates the layer with high pressure vapor ultraviolet light.Type: GrantFiled: September 12, 1996Date of Patent: March 31, 1998Inventor: Hideo Toyama
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Patent number: 5727332Abstract: An improved substrate processing system. The system may be used for double sided scrubbing of a semiconductor substrate. The wet stations of the system has covers which prevent accumulated liquid from dripping outside of the station and which minimize dripping on the substrates. Transport tunnels are provided between modules to prevent leakage between the modules. A substrate transport mechanism which is moveable along a rail is provided with the stabilizer to provide for stable substrate transfer. The processing system has two brush stations which are placed within a single enclosure. The sensors located throughout the system, which sense the presence of a wafer, are fixedly mounted in a frame so that they are self-aligned to one another. In the sender station, two sensors are used, with the system requiring both sensors to sense the presence of a wafer to increase the reliability. In the dry station, the heating lamp is shielded from the substrate to reduce particulate contamination.Type: GrantFiled: January 13, 1997Date of Patent: March 17, 1998Assignee: Ontrak Systems, Inc.Inventors: David L. Thrasher, John S. Hearne, Lynn S. Ryle
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Patent number: 5722761Abstract: A lamp assembly comprises an elongate lamp 1 which emits both ultraviolet and infrared radiation. The lamp is disposed within a reflective housing which serves to direct radiation from the lamp towards a moving substrate which is to be dried occurred. An infrared radiation filter is provided in the form of a quartz tube containing flowing water. The housing is provided with two reflector elements which can be pivoted about respective axes so as to enable the relative proportions of ultraviolet and infrared components in the radiation which emerges from the lamp assembly to be adjusted.Type: GrantFiled: June 6, 1996Date of Patent: March 3, 1998Assignee: Nordson CorporationInventor: Ronald Edward Knight
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Patent number: 5634402Abstract: A system for applying heat to wet coatings applied to selected areas on a front surface of a continuous substrate includes an energy emitter for applying energy to the substrate to heat the substrate, a metallic roll contacting a back surface of the substrate opposite the front surface being heated, a mechanism for advancing the continuous substrate over and around the metallic roll and a contact member having a surface engaging the surface of the substrate. The metallic roll conducts heat away from non-selected areas on the substrate while the substrate is heated to prevent overheating of the non-selected areas. The contact member engages a surface of the substrate so that the substrate is in contact with greater than 180.degree. of the metallic roll.Type: GrantFiled: October 12, 1995Date of Patent: June 3, 1997Assignee: Research, IncorporatedInventors: Paul D. Rudd, Bruce E. Bailey
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Patent number: 5595118Abstract: A dryer apparatus in combination with a printing press for drying printed matter and coatings on containers as they are received from the printing press, including a shroud assembly for housing a shutter assembly and a UV lamp assembly for drying printed matter and coatings on the containers. The UV lamp assembly includes a housing, a UV lamp mounted in the housing, and a UV reflector mounted in the housing for directing UV light in a light path toward the containers; and guide rails and guide tracks for moving the UV lamp assembly between an operational position in the shroud assembly and a non-operational position outside the shroud assembly to allow the UV lamp to be serviced or changed.Type: GrantFiled: October 16, 1995Date of Patent: January 21, 1997Assignee: F & L Machinery Design, Inc.Inventors: Fernando Villaverde, Sr., Fernando Villaverde, Jr.
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Patent number: 5546679Abstract: An installation for the thermal drying of strips, sheets, etc., which are conveyed along a path over guide elements past dryer unit in a drying device. The installation has a cooling unit whose coolant is fed through suitable coolant lines to the guide elements in the drying zone and to the dryer units, from where the coolant is fed to a heat exchanger. The installation also has an air extractor to extract the air from the drying zone. In order to provide a space saving installation, the heat exchanger in the cooling unit is located in the vicinity of the air-extraction aperture of the air extractor, adjacent to the drying zone.Type: GrantFiled: January 3, 1995Date of Patent: August 20, 1996Assignee: Weitmann & Konrad GmbH & Co.Inventor: Alfred Keller
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Patent number: 5343629Abstract: An air cooled ultraviolet dryer comprises a lamp (6) mounted within a reflector (1) and supported within a housing (2). The mouth of the reflector is closed off with a tubular heat barrier comprising contiguous tubes (10) which are transparent to UV light. Cooling is effected by passing cooling air into space (3) between the housing (2) and the reflector lamps along tubes (10), preferably by applying suction to the outlet at one end of the housing and causing air to flow transversely over the lamp and through the tubes (10).Type: GrantFiled: March 9, 1993Date of Patent: September 6, 1994Assignee: G.E.W. (EC) LimitedInventor: Malcolm C. Rae