With Reflector Patents (Class 392/376)
  • Patent number: 11326613
    Abstract: A fan including a main body with a vertical development with respect to a support base on which the main body is located in a condition of use. The fan has a rear longitudinal aperture, for the emission of a stream of air toward the outside, and also comprises an air suction and distribution unit, and a channeling element (20) positioned in proximity to the longitudinal aperture (16). The channeling element allows to divert the stream of air (W) so that it is conveyed toward a front part of the fan (10), at least partly following a profile (40) of an external surface (22) of the main body (12).
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: May 10, 2022
    Assignee: DE' LONGHI APPLIANCES S.R.L. CON UNICO SOCIO
    Inventors: Giuseppe De' Longhi, Maddalena Renier, Francesca Prosperi, Enrica Monticelli, Raffaele Toffolo
  • Patent number: 11326612
    Abstract: A fan includes a main body with a vertical development with respect to a support base on which the main body is located in a condition of use. The main body defines an internal housing compartment.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: May 10, 2022
    Assignee: DE' LONGHI APPLIANCES S.R.L. CON UNICO SOCIO
    Inventors: Giuseppe De' Longhi, Maddalena Renier, Francesca Prosperi, Enrica Monticelli, Raffaele Toffolo
  • Patent number: 9797624
    Abstract: A hot-air blower comprises a heat lamp with a rated power consumption of 180 W to 380 W, a lampshade having a socket for the heat lamp, a cylindrical outer casing with an inner diameter larger than a largest outer diameter of the lampshade, a lampshade fixing part coupled with the lampshade and fastened to the outer casing to allow the lampshade to be provided on a central axis of the outer casing, an impeller generating an air flow by rotation, a waterproof motor coupled with the impeller to rotate the impeller, and a motor fixing part coupled with the waterproof motor.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: October 24, 2017
    Inventor: Do Hyung Kim
  • Publication number: 20140341550
    Abstract: A portable heater providing both radiant and forced air heat a closed loop heating element positioned within a substantially oval shaped reflector, The reflector air vent allows air to pass in from a bottom of the reflector, over the closed loop heating element and the reflector. A housing surrounds the reflector and heating element. A blower is located at a lower end of the housing and draws air inward and up between the reflector and the heating element from which it emerges past the heating element. Control knobs for controlling a thermostat and output power level are located at the top surface of the housing.
    Type: Application
    Filed: November 5, 2012
    Publication date: November 20, 2014
    Applicant: Sunbeam Products, Inc.
    Inventor: Steve Vernaglia
  • Publication number: 20140314396
    Abstract: The present invention proposes an electrothermal element which comprises a substrate, a reflective layer, an electrothermal layer, and an auxiliary layer. The electrothermal layer can emit infrared radiation which is reflected by the reflective layer and enable infrared radiation emitted from one side of the electrothermal element. The auxiliary layer can increase the thermal uniformity of the electrothermal element and also convert the thermal energy of the electrothermal element itself into infrared radiation. It not only improves overall infrared emissivity of the electrothermal element but also reduces the temperature of the electrothermal element. This invention offers an effectively and rapidly warming up solution at selected local regions, no oxygen consumption and fan noise problems, and the electrothermal element can replace the traditional ceiling or be mounted directly on the wall, to solve the disadvantage of requiring space of the conventional electric heating device.
    Type: Application
    Filed: April 22, 2013
    Publication date: October 23, 2014
    Inventors: Chih-Ming Hsu, Shang-Lin Tsai, Chi-Lon Chen, Ming-Tsun Kuo, Huang-Sheng Liu, Yung-Hui Hung, Cheng-Pi Lee
  • Patent number: 8129662
    Abstract: A portable heater (100) is provided. The portable heater (100) comprises an air inlet (108) and an air outlet (118). The portable heater (100) also comprises a heating chamber (115) including one or more heating elements (230). A preheating chamber (114) is provided that is located between the air inlet (108) and a heating chamber inlet (116).
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: March 6, 2012
    Assignee: Reliable Products International
    Inventors: Norman Cameron, Dennis Cook
  • Patent number: 7629557
    Abstract: A heat treatment apparatus enables a rapid temperature rise of an object to be processed while giving an excellent economical efficiency. A heating unit heats an object to be heated by irradiating a light onto the object. A plurality of lamps are provided in a lamp house. The lamps include at least one first lamp and a plurality of second lamps each having an irradiation area smaller than that of the first lamp. The lamp house has a first lamp accommodation part at a center thereof and a second lamp accommodation part surrounding the first lamp accommodation part so that the first lamp accommodation part accommodates the first lamp and the second lamp accommodation part accommodates the second lamps.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: December 8, 2009
    Assignee: Tokyo Electronic Limited
    Inventor: Masahiro Shimizu
  • Patent number: 7218848
    Abstract: A radiant heater includes a radiant heat source and a reflector to direct the bulk of the heat generated by the radiant source in one direction. The shape of the reflector determines the radiant pattern of the heater, and generally defocuses the output to provide a diffuse heat pattern that is substantially free of hot spots.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: May 15, 2007
    Assignee: Marley Engineered Products, LLC
    Inventor: Carl P. Hinesley
  • Patent number: 7013080
    Abstract: A radiant electric space heater is provided with a halogen light source which provides light to the same general area to which radiant electric energy is transmitted by the heating elements. The halogen light source is located behind a grill that covers a window located at the front of the heater.
    Type: Grant
    Filed: January 16, 2004
    Date of Patent: March 14, 2006
    Assignee: The W. B. Marvin Manufacturing Company
    Inventors: Kostas Kaplanis, Charles M. Wagner
  • Patent number: 6965731
    Abstract: A conventional radial electric warmer includes an upper and a lower support base, plural heaters, a protective net, and an upper, a front and a rear cover. The upper and the lower support base respectively have a fixing frame for the heaters, and plural holes for hot air to flow out. The heaters respectively consist of plural heating pieces secured at the outside of the upper and the lower support base with the fixing frames with bolts. The protective net is secured at the front side of the heaters, secured stably by the upper and the lower support base. The upper, the front and the rear cover are respectively secured at the upper side, the front side and the rear side of the upper and the lower support base. Further, two foot frames are fixed under the lower support base to keep the warmer standing on the ground. Then the warmer is very safe to use and highly effective.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: November 15, 2005
    Inventors: Chuan-Pan Huang, Chen-Lung Huang
  • Patent number: 6810205
    Abstract: A radiant electric space heater is provided with a halogen light source which provides light to the same general area to which radiant electric energy is transmitted by the heating elements. The halogen light source includes a halogen light bulb located behind a grill that covers a window located at the front of the heater. A translucent lens is mounted on the rear of the grill in front of the halogen bulb.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: October 26, 2004
    Assignee: The W. B. Marvin Manufacturing Company
    Inventors: Kostas Kaplanis, Charles M. Wagner
  • Patent number: 6744977
    Abstract: An electric heater with a heat shield plate includes a heating body which is installed at a reflector and heated when electrical power is applied thereto. A safety net is provided which covers a front surface of the reflector and defines a space for accommodating the heating body therein. Further, the heat shield plate is installed at an upper edge of the reflector such that foreign materials are prevented from falling down onto the heating body through the safety net, and a plurality of through-holes are dispersedly formed in the heat shield plate in order to prevent the heat shield plate from being overheated. The heat shield plate includes a curved strap-like plate in which the plurality of through-holes are dispersedly formed, and fixing pieces which extend vertically from the curved plate on one lateral side thereof so that they are coupled to the reflector.
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: June 1, 2004
    Assignees: Solartech Co., Ltd.
    Inventor: Gun-Young Choi
  • Patent number: 6738565
    Abstract: A halogen lamp coupling structure for an electric heater allowing a fitting plate of a halogen lamp to be fitted into and coupled with a lamp fixing recess of a base serving as an insulation block. The halogen lamp coupling structure comprises a strap coupling type of elastic fixing member having a fixing strap fixed to the halogen lamp to surround the halogen lamp and an auxiliary fixing strap supported by an inner wall of the lamp fixing recess of the base. The fixing strap and the auxiliary fixing strap are connected with each other in a vertical direction by a bent piece.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: May 18, 2004
    Assignees: IC Tech Co., Ltd.
    Inventor: Gun-Young Choi
  • Patent number: 6687456
    Abstract: An in-line fluid heater including a heater housing that contains a parabolic lamp vessel which houses an infrared lamp. A parabolic reflection vessel in the heater housing is separated from the parabolic lamp vessel by a convex lens. A quartz plate seals the heater housing, and at least one, and typically, multiple leak detectors may be provided in the heater housing. The interior reflective surface of the reflection vessel reflects the heat energy in parallel rays through the quartz plate and to the fluid to be heated. The leak detectors may be connected to an RC circuit which operates a controller to actuate a buzzer or alarm and terminate operation of the heater upon leakage of fluid into the heater housing.
    Type: Grant
    Filed: July 15, 2002
    Date of Patent: February 3, 2004
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd
    Inventors: Tien-Hsing Woo, Ruei-Hung Jang, Chih-Lin Ying, Ming-Kuo Yu, Shih-Shiung Chen
  • Patent number: 6610082
    Abstract: Disclosed is an electric fan including a driving motor, a blower fan unit, and front and rear safety nets. A far infrared ray lamp part including a socket and a far infrared ray lamp is positioned in front of the blower fan unit. The front and rear safety nets are detachably fastened to each other by a fastening ring. A lamp protective net, which is covered with a stainless coating to be decreased in heat conductivity and heat-resistant, is placed in front of the far infrared ray lamp part where heat is generated.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: August 26, 2003
    Inventor: Chan Seok Park
  • Patent number: 6526227
    Abstract: A radiant electric heater is disclosed having an auxiliary reflector in front of a halogen lamp. The heater includes a ceramic base defined with clampling grooves for directly clamping terminals of the halogen lamp. The auxiliary reflector has a concave surface outline which faces a curved front end of the halogen lamp. The heater also includes a fastening member having one end which is affixed to the auxiliary reflector and the other end which is affixed to a center portion of the safety grill.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: February 25, 2003
    Assignees: IC Tech Co., Ltd.
    Inventor: Gun-Young Choi
  • Patent number: 6453121
    Abstract: An electric heater is provided having a heat source mounted in a reflecting plate, a safety cage at the front surface of the reflecting plate, a halogen lamp fixing plate to which a halogen lamp is fixed horizontally, another reflecting plate at a position corresponding to a central curved portion of the halogen lamp to reflect heat to the reflecting plate, and a fixing member between the subsidiary reflecting plate and the center of the safety cage to fix the positions of the plate relative to the lamp.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: September 17, 2002
    Assignee: VIC Tech Co., Ltd.
    Inventor: Gun-Young Choi
  • Patent number: 6381407
    Abstract: The present invention relates to a heat generating apparatus for a heater, and an object thereof is to provide the heat generating apparatus, which the durability of a heating element and a heating operation/effect are highly increased, and also the convenience of user is improved. The present invention uses a detachable halogen-heating lamp as a heating element, and reflects a high temperature light forwardly by the reflecting mirror and at the same time sends a heated air around the halogen-heating lamp forwardly by a fan to perform the heating operation. Therefore, the present invention obtains double heating effect by the reflected heat and heated air, increases a durability and heating effect of the heater, and improves the convenience is use of the heater.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: April 30, 2002
    Inventor: Jong Kuk Choi
  • Patent number: 6351602
    Abstract: An upright radiant electrical heater has a reflector assembly supporting a vertically-extending heating element assembly that radiates energy through substantially 360 degree. The reflector assembly includes heat reflective panels that disperse heat horizontally over substantially 90 degrees through an open grill at the front of the heater and vertically in a substantially uniform manner so that hot spots are avoided. A fan forces room air into the heater from below the reflector assembly, upwardly through an air passage behind the assembly into an open control chamber at the top of the heater, and outwardly into the room through ducts along the top front edge of the assembly. A thermostatic control for the heating element assembly and the fan motor is located in the air passage at the top of the heater. The flowing air maintains the exterior of the heater relatively cool to the touch, allowing parts of the housing to be molded from a thermoplastic material into aesthetically-pleasing shapes.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: February 26, 2002
    Assignee: The W. B. Marvin Manufacturing Company
    Inventors: David B. Chaney, Barry W. Smith, Thomas H. Mills
  • Publication number: 20020003952
    Abstract: According to the present invention, an electric heater is provided which comprises a heating means mounted in a reflecting plate, a safety cage disposed at the front surface of the reflecting plate, a halogen lamp fixing plate having fixing holes to which a halogen lamp is fixed horizontally, a subsidiary reflecting plate disposed at a position corresponding to a central curved portion of the halogen lamp to reflect heat to the reflecting plate, and a fixing member interposed between the subsidiary reflecting plate and the center of the safety cage to fix the positions of the plate and the cage.
    Type: Application
    Filed: January 11, 2001
    Publication date: January 10, 2002
    Inventor: Gun-Young Choi
  • Patent number: 6304719
    Abstract: Disclosed herein is a radiant heater with a halogen lamp. The heater includes a base connected to a power supply cord. A power shut-off switch is mounted on the bottom of the base. A support column is mounted on the top of the base and provided with a height control button at its upper portion. A retractable rod is inserted into the support column and supported by a spring. A neck is rotatably connected to the upper end of the retractable rod. A head is fixed to the top of the neck, the head including a reversible motor. An operating rod is fixed to the upper portion of the neck at its one end and rotatably connected to the rotating shaft of the reversible motor. A support projection is mounted on the front of the head. A reflector and a reflector cover are fixed between the head and the support projection. A lamp cover is fixed to the front of the support projection for distributing far infrared rays to the reflector and preventing the eyes of a user from being dazzled.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: October 16, 2001
    Assignee: Sella Tech Co., Ltd.
    Inventor: Lee Keun Mo
  • Publication number: 20010020646
    Abstract: The heat recovery reflector has a channel-like extrusion comprising a web and flanges bordering the web. The web has a heat reflective surface thereon and the flanges have a substantial depth relative to the thickness of the web. The distances between the flanges is similar to the height of the back surface of a baseboard heat convector. The channel-like extrusion is mountable behind a baseboard heat convector for defining with the back surface of the baseboard heat convector a closed space for maintaining the heat reflective surface in a dust free environment. In another aspect of the invention, each flange has serrations of the inside surface thereof. A pair of caps is provided for covering the ends of the channel-like extrusion. Each cap has tabs extending therefrom and each of the tabs has at least one notch which is engagedly mountable in one of the serrations on the flanges.
    Type: Application
    Filed: January 16, 2001
    Publication date: September 13, 2001
    Inventor: L. Paul Hebert
  • Publication number: 20010019661
    Abstract: The present invention relates to a heat generating apparatus for a heater, and an object thereof is to provide the heat generating apparatus, which the durability of a heating element and a heating operation/effect are highly increased, and also the convenience of user is improved. The present invention uses a detachable halogen-heating lamp as a heating element, and reflects a high temperature light forwardly by the reflecting mirror and at the same time sends a heated air around the halogen-heating lamp forwardly by a fan to perform the heating operation. Therefore, the present invention obtains double heating effect by the reflected heat and heated air, increases a durability and heating effect of the heater, and improves the convenience is use of the heater.
    Type: Application
    Filed: February 27, 2001
    Publication date: September 6, 2001
    Inventor: Jong Kuk Choi
  • Patent number: 6215956
    Abstract: An electric heater with a post and a heating member; which comprises an orientation device comprising a pole or spindle fixed on the post; a movable plate formed with front and rear holes and rotatably mounted on the pole or spindle through its front hole, carrying the heating member; a geared motor with a shaft extending downwardly through the rear hole of the movable plate; a transmission plate formed with mating teeth on the upper surface and rotatably fixed to the lower end of the motor shaft; a driving plate carrying a guide pin on or near its lower edge and formed with mating teeth on its bottom surface to be engaged with the counter part of the transmission plate; a spring mounted around the motor shaft under the movable plate for elastically pressing the driving plate downwardly; and an elongate guide path formed on the post for receiving the guide pin and allowing it to reciprocate straightly therein, for automatically and easily converting the direction of heat reflection of the reflector is disclos
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: April 10, 2001
    Assignee: Gana Multi-Technology Co. Ltd.
    Inventor: Jang Bum Lee
  • Patent number: 6188836
    Abstract: A portable radiant heater comprises an electrically energized heating element extending along a vertical axis. A first, multi-faceted, concave reflective surface is positioned to the rear of the heating element. A second reflector is positioned forward of and in close proximity to the heating element. The first reflector directs radiant energy received directly from the heating element and indirectly from the second reflector forward with minimal radial dispersion.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: February 13, 2001
    Assignee: Appliance Development Corporation
    Inventors: Dov Z. Glucksman, Karl H. Weidemann, Robert E. Wolfe
  • Patent number: 6167196
    Abstract: A portable electric space heater having a power cord with a male electrical plug and having easily replaceable quartz heating elements so that an unskilled person can remove and replace a heating element with a minimum of time, tools and skill. The heating elements are removably mounted by sockets within the heater housing behind a grill. One edge of the grill is pivotally connected to the housing and an opposite edge is connected to the housing by a latch member formed on the grill. Access to the heating elements can be obtained by unlatching the grill using the male plug as a tool.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: December 26, 2000
    Assignee: The W. B. Marvin Manufacturing Company
    Inventors: Charles A. Huggins, Jr., Kostas Kaplanis, Barry W. Smith, Larry L. McGrain, James B. Johnson, Thomas H. Mills
  • Patent number: 6122437
    Abstract: An electric heater has a housing defining a heat-transmitting window and reflector assembly is mounted in housing that has a heat reflective surface. A heating element extends within the reflector assembly between opposite ends of the housing and radiates heat energy which is reflected by the reflector assembly. A pair of bracket arms are rotatably attached to opposite ends of the housing for securing the heater to a ceiling. A control switch mounted within one of the bracket arms and a control knob secured to the switch are substantially centered on the heater's axis of rotation. A U-shaped support assembly is used to mount the heater to the ceiling so that the heater is detachably connected to the support assembly. The support bracket can be mounted to the ceiling by a single wood bolt extending through an aperture provided centrally in the support assembly. As a result, the heater can be swiveled about the bolt.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: September 19, 2000
    Assignee: The W. B. Marvin Manufacturing Company
    Inventor: James B. Johnson
  • Patent number: 5909534
    Abstract: A ventilation device having a housing with a grille at the bottom and two ventilation members at two sides of the grille is provided. A fan assembly is mounted on the housing and controlled to draw filthy air out of a room through air vents in the ventilation members. The ventilation device includes a plurality of electronic heating tubes mounted inside the housing and controlled to produce heat. A plurality of sleeves formed of a far infrared emitting material are respectively mounted on the electric heating tubes and heated by the electric heating tubes to emit energy in the far infrared portion of the spectrum. A reflector is provided which reflects far infrared rays into the room through gaps in the grille, and a light source provided for illumination.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: June 1, 1999
    Inventor: Li-Sheng Ko
  • Patent number: 5838878
    Abstract: A portable electric heater including a housing having a bottom wall with front and back portions, a rear wall, a pair of side walls each having front and back portions, a top wall with front and back portions, a divider wall having a given area, and a front grill wall. The rear wall, divider wall and back portions of the bottom, side and top walls define a chamber while the divider wall, the front grill wall, and the front portions of the bottom, side and top walls define a cavity horizontally juxtaposed to the chamber. A plurality of elongated quartz heater elements and a temperature sensor are mounted in the cavity, and an electrically energizable fan is mounted in the chamber. Defined in the rear wall are a plurality of inlet openings, and in the divider wall are a plurality of discharge openings having a combined area equal to less than 2.5% of the given area.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: November 17, 1998
    Assignee: Honeywell Consumer Products Inc.
    Inventors: Rodney Jane, Arthur Wong
  • Patent number: 5793019
    Abstract: An infra-red and forced air oven for drying a freshly painted object. The drying oven has a plurality of heating elements, which radiate infra-red energy, disposed about the object to be dried. Each heating element preferably has an annular shell, an electrically conductive coil carried by the shell, and an air passage through the shell through which air is forced by a fan. Electricity is provided to the electrically conductive coil which becomes heated and thereby heats the shell and radiates heat and infra-red energy into the oven. The fan forces air through the air passage of the shell so that heated air flows to the interior of the oven. Thus, the oven provides both radiant energy and forced air to dry an object within the oven.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: August 11, 1998
    Assignee: DriQuik, Inc.
    Inventors: David Frederick Boyle, Thomas Alan Cherry, Gary Louis Solgere
  • Patent number: 5761377
    Abstract: A portable heater providing both radiant and forced air heat includes a plurality of vertically oriented, horizontally spaced apart quartz heating tubes is partially surrounded by a common reflector configured to open at an obtuse angle at each quartz tube. The reflector is perforated to allow air to pass out from the interior of the heater. A housing surrounds the reflector and heating elements. A fan located toward the top of the heater draws air inward and down the channels behind the reflector from which it emerges past the heating elements. Control knobs for controlling a thermostat and output power level are located at the top surface of the housing. The heater also has automatic safety controls for shutting off power in the event the heater tips over or overheats, and an overcurrent device.
    Type: Grant
    Filed: October 22, 1996
    Date of Patent: June 2, 1998
    Assignee: Holmes Products Corporation
    Inventors: Robert E. Wolfe, Johnson Hsu, Dov Z. Glucksman, Karl Weidemann
  • Patent number: 5652826
    Abstract: A radiant electric space heater is provided with a high heat limiting capillary tube thermostat and with a grill which is pivotally mounted so that it may be pivoted to an out-of-the-way position for cleaning. The capillary tube thermostat extends along a wire forming part of the grill and into the housing of the heater.
    Type: Grant
    Filed: January 6, 1995
    Date of Patent: July 29, 1997
    Assignee: The W. B. Marvin Manufacturing Company
    Inventor: Thomas H. Mills
  • Patent number: 5621846
    Abstract: A radiant electric heater has a pair of bracket arms rotatably attached to opposite ends of a housing secured to a support bracket attached to a ceiling over a work space. A control switch mounted on one of the bracket arms and a control knob secured to the switch are substantially centered on the housing's axis of rotation. The housing is rotatable relative to the bracket arms throughout an angle of not more than 90 degrees and can be held in any one of several angular positions. The control knob may have a ball chain attached thereto to control operation of the heater from a position remote from the heater. In a modification, heat shields are provided along the upper and lower margins of a reflector assembly to prevent extreme heat build-up on the heater housing.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: April 15, 1997
    Assignee: The W. B. Marvin Manufacturing Company
    Inventors: Barry W. Smith, Michael T. Kopczewski
  • Patent number: 5568586
    Abstract: Over heat protection for a portable space heater equipped with a reflector for directing the radiation from a heating element through a frontal emitting window of the heater enclosure is provided by a conventional thermostat which is thermally insulated from the thermal mass of the heater enclosure and which is mounted so as to sense the temperature of convective air drafted up from in front of the window. The thermostat is mounted above a slot cut in the upper front edge of the reflector out of the path of the radiation directed by the reflector.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: October 22, 1996
    Inventor: Eric F. Junkel
  • Patent number: 5437001
    Abstract: An upright radiant electrical heater has a reflector assembly supporting a vertically-extending heating element assembly that radiates energy through substantially 360 degree. The reflector assembly includes heat reflective panels that disperse heat horizontally over substantially 90 degrees through an open grill at the front of the heater and vertically in a substantially uniform manner so that hot spots are avoided. A fan forces room air into the heater from below the reflector assembly, upwardly through an air passage behind the assembly into an open control chamber at the top of the heater, and outwardly into the room through ducts along the top front edge of the assembly. A thermostatic control for the heating element assembly and the fan motor is located in the air passage at the top of the heater. The flowing air maintains the exterior of the heater relatively cool to the touch, allowing parts of the housing to be molded from a thermoplastic material into aesthetically-pleasing shapes.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: July 25, 1995
    Assignee: The W. B. Marvin Manufacturing Company
    Inventors: David B. Chaney, Barry W. Smith, Thomas H. Mills
  • Patent number: 5381509
    Abstract: A radiant electric space heater is provided with a high heat limiting capillary tube thermostat and with a grill which is pivotally mounted so that it may be pivoted to an out-of-the-way position for cleaning.
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: January 10, 1995
    Assignee: The W. B. Marvin Manufacturing Company
    Inventor: Thomas H. Mills
  • Patent number: 5128506
    Abstract: An apparatus and method is disclosed for making additional solder joints on a printed wiring assembly which includes a printed wiring board and components soldered previously thereto. Additional components, along with additional solder to be reflowed to form new solder joints, are placed on the assembly. A titanium shield is placed over the board to cover the already completed solder joints which are not to undergo reflow, and the assembly is passed through an oven producing both infrared and convection heating. The convection heating of the oven is set to warm the entire printed wiring assembly to a temperature which remains below the reflow temperature of the solder used to attach the preexisting components. The infrared heating of the oven is applied to the board, but is prevented from heating previously completed solder joints by the shield.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: July 7, 1992
    Assignee: Westinghouse Electric Corp.
    Inventors: Scott E. Dahne, Govind L. Hira