Abstract: A control system for a cooking appliance enables a consumer to perform a complete cooking operation regardless of whether food is placed into an oven after a preheating operation or without initially preheating the oven. When the consumer does not intend to allow the oven to be preheated prior to inserting the food to be cooked therein, the consumer can select a no preheat operation wherein the lack of preheating is automatically compensated for, preferably by causing the oven to perform the cooking operation in two stages. Initially, the oven is operated at full output capacity for a first predetermined period and thereafter operated at various heat outputs during a subsequent plurality of stages until the cooking operation is complete. In this manner the food is completely cooked without the need to add additional time to the overall cooking operation.
Abstract: A thermal-insulation container with electric heater comprising an inner container and an outer container, said inner container being housed into the outer container integrally therewith so as to define a closed space separating the same from the outer container comprises a highly-resistive metal oxide film formed on an outer surface of said inner container facing said closed space, and an electrode unit provided on the highly-resistive metal oxide film facing said closed space for applying an electric current thereto.
Abstract: This is an electrically heated ceramic kiln and a method for varying the size of the kiln chamber by moveable top and/or bottom walls which can be moved vertically within the kiln chamber, together with a new method of insulating the kiln and providing captive air chambers about the kiln.
Abstract: A towel and garment warmer is provided. The warmer includes a top-opening cabinet having a upper section that is provided with a rack for holding the items to be warmed, and a lower heating section. The two sections are separated one from the other by means of a removable, air permeable grid or screen. Heating is accomplished using an electrical resistance heater such as one or more incandescent light bulbs. An interval timer controls the degree of warming imparted to the items within the cabinet.
Abstract: An electrical heating facility includes an electrical heating element attached to a base and having two terminals, and a temperature sensing device having two conductors for electrically coupling to the terminals of the electrical heating element and to detect the temperature of the heating element. The temperature sensing device may be easily secured to the base with a magnetically secure device by the users, and may also be easily disengaged from the base when the temperature sensing device is hit or collided by people or objects inadvertently.
Abstract: A method and an apparatus for the programmed temperature control of a heating barrel provides for programmed temperature control in which a thermal sensor can be set selectively in either or any of plural sensor holes on the feeding zone of the heating barrel. By sensing the temperature at the most appropriate position with in the feeding zone, the molding injection is adapted to various resins with different properties, preventing clogging of resin in the heating barrel and changed color of molded articles.
Abstract: A low cost, compact heat roller device is provided which includes a heat generating resistance for increasing the temperature of the heat roller wherein the heat generating resistance is divided into two parts in order to correspond to passage widths of different recording materials. The heating power of one of these heat generating resistances is changed and the temperature increase of a non-paper transport area of the heat roller is suppressed. Specifically, the heat roller device includes a heat roller and a press roller opposite the heat roller, two heat generating resistances formed on an outer surface of the heat roller which generate heat independently of one another, a common electrode for supplying current and separately arranged additional supply electrodes. The time during which the respective heat generating resistance is on, is changed, in relative terms, according to the object to be heated, and thus the heating power is changed.
Abstract: A heated caulk case for heating and storing a commonly used tube of sealing caulk, comprising a sealable box, a thermostatically controlled heating device, and a caulk tube tray. The heated caulk case provides a continuous and reusable method to achieve the benefits of lowering the viscosity of commonly used construction caulk such that the caulk will adhere better and provide a stronger seal between the caulked joint.
Abstract: Method of resistance brazing of light metal alloys to form a corrosion resistant structural assembly, comprising: positioning a patch (thickness of about 0.05-0.25 mm and an aspect ratio of about one) of brazing filler metal between and in contact with superimposed light metal (i.e., aluminum, titanium) alloy structural workpieces to define a joining spot, said filler metal consisting of 7-13% silicon, substantial absence of magnesium and copper for aluminum workpieces, and the balance said light metal; while applying high pressure to force the workpieces together at the joining spot to achieve a structural joint, resistively heating the patch to melting without softening the workpieces, except at interfaces with the filler metal, by flowing an electrical current through the patch and aligned portions of the workpieces under ambient conditions and in the absence of flux, the heating and pressure being sufficient to mechanically break up and eliminate any oxides in the workpieces at the joining spot.
Abstract: An oven for cooking with light having wavelengths in the visible, near visible, and infra-red spectral ranges uses one or more quartz halogen tungsten lamps or quartz arc bulbs positioned above and below the food item. Uniform cooking of the food item is achieved by positioning the lamps asymmetrically with respect to the midline of the oven and by rotating the food item on a rack during the cooking cycle.
Type:
Grant
Filed:
February 28, 1995
Date of Patent:
September 21, 1999
Assignee:
Quadlux, Inc.
Inventors:
Eugene R. Westerberg, William H. Sehestedt
Abstract: An oven for cooking foods, and especially for browning foods, has heated, radiant walls. Heat may be supplied by a gas burner flame in a plenum behind the walls, with products of combustion thus being isolated from the food in the oven chamber. In one embodiment food products are continuously conveyed through the oven chamber and, depending on oven temperature, are either cooked or simply browned in the oven by the radiant wall heat. Fats and other materials rendered from the food products, if not fully incinerated in the oven chamber, may be transferred along with exhaust air from the oven chamber to a separate combustion chamber, for incineration, the heat from which is used to contribute to heat requirements for the plenum. Steam or other inert gas is introduced to the oven chamber to minimize oxidation and prevent flame, and the steam can be produced by heat exchange with exhaust plenum gases. An alternative wall heating system uses electric resistance heat elements inside a thin ceramic wall.
Type:
Grant
Filed:
April 26, 1996
Date of Patent:
August 24, 1999
Assignee:
Pyramid Food Processing Equip. Mfg. Inc.
Abstract: The present invention relates to an insulated electrically heated pot which is provided with an insulated container and an electric heating apparatus disposed therewithin, into which insulated container a liquid such as water or the like is introduced and heated, and the temperature thereof is maintained, as well as to a manufacturing method therefor. In the insulated electrically heated pot in accordance with the present invention, at least one gas having a low conductivity selected from the group consisting of xenon, krypton, and argon is made to fill the insulating layer of the insulated container.
Type:
Grant
Filed:
August 1, 1997
Date of Patent:
August 10, 1999
Assignee:
Nippon Sanso Corporation
Inventors:
Yoshiya Nishino, Masashi Yamada, Seiichi Ito
Abstract: A direct heating type toner fixing roller for electrophotographic apparatuses is composed of a cylindrical tube made of a resin into which are mixed electrically conductive additives, preferably carbon fiber and carbon black powder. The resin is injection molded under defined conditions so that a reverse crown profile is formed. The roller of the invention is held in place at the toner fixing position by shafts, and the shafts themselves are supported by flanges. Electric power is supplied to the cylindrical tube to heat the tube to a predetermined thermal toner-fixing temperature through power supply terminals in contact with electrically conductive flanges. Alternately, the power supply terminals may make direct contact with peripheral parts of the cylindrical tube to heat the tube.
Abstract: A radiant heater apparatus includes a heating element which generates radiant energy. The heating element has first and second terminals. The apparatus also includes an inner tube configured to surround the heating element. The inner tube includes first and second ends. The inner tube is substantially transmissive to radiant energy. The apparatus further includes an outer tube surrounding the inner tube. The outer tube has an inner surface, an outer surface, and first and second ends. The inner surface of the outer tube is absorptive to radiant energy, and the outer surface of the outer tube is emissive to radiant energy so that radiant energy from the heating element passing through the inner tube is absorbed and re-emitted from by outer tube.
Type:
Grant
Filed:
April 30, 1997
Date of Patent:
June 22, 1999
Assignee:
Hill-Rom, Inc.
Inventors:
John Stephen Campbell, Charles Goldberg
Abstract: The base of a plastics liquid heating vessel is formed by a heated stainless steel plate having a peripheral channel engaging over a bead lower end portion of the vessel wall. A silicone rubber sealing ring is clamped between the vessel wall and the channel.
Type:
Grant
Filed:
August 9, 1996
Date of Patent:
June 22, 1999
Assignee:
Strix Limited
Inventors:
John Crawshaw Taylor, Keith Barrie Doyle
Abstract: A substrate heating apparatus having a housing forming a substrate receiving chamber and a heater located inside the chamber. The heater has a thin film flat ribbon heater element sandwiched between two glass-ceramic panels.
Type:
Grant
Filed:
June 25, 1997
Date of Patent:
June 15, 1999
Assignee:
Brooks Automation, Inc.
Inventors:
Scott C. Holden, Mehran Asdigha, Lawrence R. Moschini, Darius Dilmaghani, Mario Valenza
Abstract: The invention relates to a household electric cooking apparatus, of the frying type, without oil bath, intended to cook frozen or fresh food products such as french fries, etc, without unpleasant smell, without smoke and in a dietetic way. It is comprised of a body which contains a metal housing (2). The cooking is performed by short wavelength infrared radiations. Inside said housing, a removable basket (12) made of perforated metal, rotating upon itself, is driven by an electric motor (13). Between the inner housing (2) and the resistors (11), is provided a removable reflector (14) to facilitate the cleaning of the frying unit. The apparatus is light, has reduced dimensions and cooks very rapidly food lproducts without the risks and disavantages related to the manipulation of boiling oil.
Abstract: An electric kettle includes a plastics material tank side wall structure for liquid to be heated and a heating arrangement including an electrical element associated with a metal heater plate mounted at the bottom of the side wall structure with its top face in direct contact with the liquid to be heated. The side wall structure includes shoulders to support a peripheral rim of the metal heater plate. A seal is disposed between the side walls and the peripheral rim of the heater plate. The kettle has a base including a skirt which fits around the side walls of the tank. A fixing arrangement attaches the base to the tank side wall structure.
Abstract: An apparatus for producing a three-dimensional object by successive solidification of layers of a solidifiable material (7) at places corresponding to the respective cross-section of the object by means of radiation is provided whereby the apparatus comprises a support (4) for supporting the object (6) to be formed, a coating device (12) for applying layers of the solidifiable material (7) onto the support (4) or a previously solidified layer, a solidifying device (14) for solidifying the layers of the material (7) at places corresponding to the respective cross-section of the object and a heating apparatus (8) disposed above the support (4) in operational position for heating the solidifiable material (7), the heating apparatus (8) comprising at least one straight radiant heater (81) with a varying heating power along its length.
Abstract: A stylized insulator and heating device for an electrically heated container. The heating device is adapted for positioning about the container. The insulator comprises a conformable and stylized body, which is removable attached to the heating unit and which removably covers at least the top of the container. The present invention increases the efficiency of the heated container by retaining the heat emitted thereby while still allowing access to the container.