With Heater Patents (Class 34/197)
  • Patent number: 10378821
    Abstract: A food dehydrator comprises a housing and a door slidably and pivotably affixed to the housing. The housing defines a food cavity and has an opening defined in the housing to enable access to the food cavity. The housing comprises opposing top and bottom walls, a back wall opposite the opening, and opposing side walls. The door is selectively movable between a closed position closing off the opening thereby blocking access to the food cavity and an open position enabling access to the food cavity. The door, when in the open position, may rest on the top wall.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: August 13, 2019
    Assignee: Hamilton Beach Brands, Inc.
    Inventors: Kevin L Leppert, Joseph R Elliott
  • Patent number: 10362795
    Abstract: The present example embodiments relate to food preparation devices using natural flowing and/or fan driven circulating air, and details for the construction thereof. Example embodiments are shown, which may be reduced in size and volume by the user. Example embodiments are shown which utilize natural convection airflow. Example embodiments are also shown which utilize fan driven air which flows in alternating directions.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: July 30, 2019
    Inventor: Alan Backus
  • Patent number: 9909805
    Abstract: A razor drying device for drying razors includes a housing having a top, a base, a back, a front, a left side and a right side defining an interior space within the housing. A wall and a divider are coupled to and positioned within the interior space of the housing, defining respectively a compartment and a chamber. A motor, power module and a processor are coupled to and positioned in the compartment. The motor has a shaft with a terminus extending through the wall. A fan is coupled to the terminus. The power module and the processor are operationally to each other and to the motor. The chamber has a screen for a bottom. The device has a tray, removable from the housing through a complimentary opening in the front. A plurality of inlets is positioned in the back of the housing and in the wall.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: March 6, 2018
    Inventor: Bob Morgan
  • Patent number: 8058588
    Abstract: An electronically controlled warmer drawer that supports a plurality of products, e.g., towels, in a drawer that is attached to a housing is disclosed. The housing includes a plurality of flow paths constructed to facilitate the passage of a heated gas flow through the cavity defined by the drawer. The drawer further includes a plurality of brackets constructed to support the articles to be heated along with a user interface, vents, blower fan, electrical heating element and two internal chambers. The system is controlled by way of the user interface on the front of the housing that interacts with an electronic control system to operate the heating element and fan. A sensor sends signals to the electronic control system to regulate the heating element and fan.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: November 15, 2011
    Assignee: Western Industries, Inc.
    Inventors: John M. Gagas, Richard C. Hochschild, Jr., Scott A. Jonovic
  • Publication number: 20110047814
    Abstract: A dryer drawer system is provided comprising a generally multisided drying chamber having opposed side walls, a rear wall, and at least one access door, wherein the door is sealable to the chamber. The dryer drawer further comprises a heater for heating air circulating in the chamber and at least one fan for circulating air in the chamber. The multisided drying chamber includes an air inlet and an air outlet, a sensor for sensing the temperature of the air in the chamber, a first damper for selectively opening and closing the air inlet, a second damper for selectively opening and closing the air outlet, and a controller for controlling operation of the fan, the heater and the dampers. The controller is operative in a first operational mode to open the air inlet and the air outlet to provide air flow through the chamber and in a second operational mode to close the air inlet and the air outlet to provide a recirculating air flow within the chamber.
    Type: Application
    Filed: September 2, 2009
    Publication date: March 3, 2011
    Inventors: ERIC K. WATSON, Derek Lee Watkins, John K. Besore, Subhash Viswanathan Kollengode, Yogesh Kumar Allimalli, Sarah Lynn Kirchoff, Kyle Eden, David Scott Dunn, David D. Warmuth
  • Publication number: 20090321410
    Abstract: A system and method directed to a dehydrating device, which may include a dehydrating enclosure and an adapter. The adapter may be operable to couple the dehydrating enclosure to a power unit, which may include a power source disposed inside the power unit, and a control source operable to control the power source. The power unit may be detachably couplable to at least one of the dehydrating enclosure or a cooking enclosure. The power unit and the cooking enclosure may collectively combine into a multi-stage counter-top electric oven. The power unit and the dehydrating enclosure may also collectively combine into a dehydrator. The dehydrating enclosure may include a plurality of stackable dehydrating trays through which dehydrating air is circulated from the power unit.
    Type: Application
    Filed: July 21, 2009
    Publication date: December 31, 2009
    Applicant: IBC-Hearthware, Inc.
    Inventor: Jung S. Moon
  • Publication number: 20090013553
    Abstract: A drying unit includes a frame having an air box mounted thereon, wherein the air box includes an intake port and an exhaust port. A plurality of rollers define a web path within the frame and a heat source is removably attached to the frame, wherein removal of the heat source does not require removal of a web from the web path.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 15, 2009
    Inventors: John R. Soltysiak, Henderikus A. Haan, Theodore F. Cyman, JR., Anthony V. Moscato
  • Patent number: 6990748
    Abstract: A replaceable heat transfer module. The replaceable heat transfer module has an inlet floodbox with fluid distribution passageways, an outlet manifold with fluid collection passageways, and extending in a fluid tight relationship between the fluid distribution passageways and the fluid collection passageways, a thin, elongate evaporator envelope. The evaporator envelope has a lower flexible planar sheet and an upper flexible planar sheet, each having inner surfaces located in a back-to-back spaced apart relationship. The evaporator envelope has an upper end wherein the lower and upper flexible planar sheets are fluidly sealed to the inlet floodbox, and a lower end wherein the lower and upper planar sheets are fluidly sealed to said outlet manifold. Mylar brand polyester is used for construction of the evaporator envelope. A marginal area on each side extends lengthwise transversely beyond the inlet floodbox and the outlet manifold to provide sloping sidewalls for containment of a working product.
    Type: Grant
    Filed: September 13, 2004
    Date of Patent: January 31, 2006
    Inventors: Richard E. Magoon, Alan D. Whitefoot
  • Patent number: 6928752
    Abstract: A combination tumble and cabinet dryer appliance includes a housing with a tumble dryer and a cabinet dryer therein. The tumble dryer and cabinet dryer are operable independently of one another. Separate sources of hot air are provided to each of the tumble and cabinet dryers. The cabinet dryer extends over and along one side of the tumble dryer. A portion of the cabinet dryer extends substantially along the height of the housing so as to receive long hanging clothes, such as a dress. Removable shelves are provided in the cabinet dryer for drying sweaters and the like.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: August 16, 2005
    Assignee: Maytag Corporation
    Inventors: Troy A. Johnson, Lee R. Birch, Michael C. Roberts, Kevin W. Shipley, Julie M. Bundy, Frank S. Nekic, Stephen D. Schober, Curtis J. Tremel
  • Patent number: 6796223
    Abstract: The machine is operable for continuously extracting moisture or dehydrating food. A plurality of food tray are insertable into a main chamber having an air diffuser mounted on one side and an air collector on the opposite side. Air is drawn through the chamber by a blower. Heat is applied to the food by heater element incorporated at the underside of the food trays. Dampers are located at the air inlet and air exhaust ducts, which may be monitored and adjusted by temperature and moisture sensors for maintaining a selected temperature and moisture condition to extract the moisture content of the food to a desirable condition. The processed food may be retrieved from the machine while a new tray of food is being placed into the chamber.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: September 28, 2004
    Inventor: Qi Fen Jiang
  • Patent number: 6769197
    Abstract: A hand dryer has a body case with a blower with an air-blowing nozzle on its lower surface, and a water receiver disposed below the body case and forming a hand-inserting space with the body case. The water receiver is detachable from the body case. The water receiver has a receiving portion which covers a lower front surface, a back surface which is connected to the receiving portion and which covers a wall surface, and a pair of side surfaces, connected to the receiving portion, rising from opposite sides of the back surface. Water receiver-side retaining portions are on upper portions of the side surfaces, body case-side retaining portions are on opposite sides of the body case, and the water receiver is mounted to the body case by the water receiver-side retaining portions and the body case-side retaining portions. The water receiver-side retaining portions are hooked on the body case-side retaining portions, so that the water receiver can be fixed.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: August 3, 2004
    Assignee: Matsushita Ecology Systems Co., Ltd.
    Inventor: Yasushi Tai
  • Patent number: 6688019
    Abstract: A baby bottle dryer and organizer is herein described. The bottle dryer has hollow posts onto which baby bottles are placed and a blower/fan that blows drying air up into the posts, thus drying the interior of the baby bottles. The bottle dryer further has a removable tray for drying baby bottle nipples and rings/caps into which are from the blower/fan flows. The bottle dryer also has a lid and a front door to protect the baby bottles, nipples, rings/caps from dust and debris.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: February 10, 2004
    Inventor: Hope R. Buchweitz
  • Patent number: 6430841
    Abstract: Liquid is removed from batches of substrates by apparatus and methods for drying substrates that have been wet in an elongated liquid bath. The substrates are moved relative to the bath and an elongated gas-filled volume at rates of movement selected according to the location of the batches of substrates in the bath or the volume. As an example, the substrates and the bath are separated at a controlled rate to form a thin layer of liquid on each substrate as each substrate enters the gas-filled volume. The gas-filled volume is defined by an elongated hot chamber and hot gas directed into the volume and across the substrates and out of the volume continuously transfers thermal energy to the substrates. The flow rate of the gas into the volume is related to introduction of the substrates into the bath to avoid disturbing the liquid in the bath.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: August 13, 2002
    Assignee: Lam Research Corporation
    Inventors: Jonathan Borkowski, Oliver David Jones, Kenneth C. McMahon, Scott Petersen, Donald Stephens, Yassin Mehmandoust, James M. Olivas
  • Patent number: 6226892
    Abstract: A dryer module for drying filter supports in DNA preparation comprises a receiving member for receiving the filter support and at least one blower member, the blower member being arranged below the receiving member for receiving the filter support so that the filter support is blown on an dried from below. The dryer module also has a heating system for warming the air blown from below against the filter support, the heating system being arranged above the blower member, of which there is at least one. The dryer module is electronically controlled by a control means as a function of the measured temperature of the drying air. The dryer module can be used as a stand-along apparatus or in an automated environment.
    Type: Grant
    Filed: May 2, 2000
    Date of Patent: May 8, 2001
    Assignee: Gesellschaft fuer Biotechnologische Forschung mbH (GBF)
    Inventors: Helmut Bloecker, Gerhard Kauer
  • Patent number: 6085442
    Abstract: A modular food dehydrator utilizing a heater blower assembly located on a top surface of a dehydrator module is disclosed. The heater blower assembly includes a motor driven fan, a heating element and an air distribution portion for directing heated air across the support surfaces. The heater blower assembly is preferably releasably attachable to the dehydrator module. In a first embodiment, the dehydrator module has a central opening extending generally vertically through the support surfaces in fluid communication with the heater blower assembly for directing heated air radially outward across the plurality of support surfaces. The dehydrator module preferably includes outlet vents on an outer perimeter surface for exhausting the heated air. At least one outlet vent is preferably located between each of the plurality of support surfaces.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: July 11, 2000
    Assignee: The Metal Ware Corporation
    Inventor: Chad S. Erickson
  • Patent number: 6068874
    Abstract: A dehydration apparatus and process utilizing a closed system are provided and enable substantial dehydration of biological products while enabling retention of the essential flavor and fragrance of the natural product. The apparatus comprises a heat exchanger and dehydration chamber connected in closed fashion by appropriate conduits or ducting. Appropriate blowers are provided, as are controls for the system parameters of the dehydration process.
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: May 30, 2000
    Assignee: Dehydration Technologies, Inc.
    Inventor: Vladimir Grocholski
  • Patent number: 6047484
    Abstract: The present invention provides a method and apparatus to transfer heat between a flowable product, such as a sludge, slurry, extract, juice or other like product, and a heated or chilled liquid, said heat transfer taking place through a thin, infrared transparent film fixed at an incline to permit gravity flow of both product and heated or chilled liquid. Especially even heat distribution within said product results from mixing as said product flows down the inclined plane of the infrared transparent film.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: April 11, 2000
    Inventors: Karin Marie Bolland, Richard Elwood Magoon
  • Patent number: 6041696
    Abstract: An apparatus for dehydrating fruits, vegetables and foods includes a base having a top formed with a center hole and two opposite vertical recesses close to two sides, the base having two opposite through holes at two opposite lower corners in communication with the two recesses, a cover having a bottom formed with two holes at two opposite sides thereof, a pair of positioning plates each having a top formed with a projection configured to engage with the holes of the cover, an inner side formed with a plurality of parallel grooves, and a lower edge with a hook engageable with a respective one of the through holes, and a plurality of trays each having a lower portion formed with two opposite flanges configured to slidably engage with respective grooves of the positioning plates.
    Type: Grant
    Filed: April 2, 1999
    Date of Patent: March 28, 2000
    Inventor: Yung-Sen Su
  • Patent number: 5950526
    Abstract: A fruit dehydrator is composed of a base, an isolator, a rotating frame, a screen and a cover. The base has a whirlwinder and a motor and on the top is covered with the isolator which has a blow hole. The motor has a spindle inserted through the center portion of the isolator which top portion is seated with a screen and the rotating frame. The spindle is inserted through the center portions of the isolator, the rotating frame, the screen and the cover so as to link together, which allows the wheels of the rotating frame to rotatably stand on the edge of the base, whereas food are placed on the screen and covered by the cover. By activating the motor, the food on the screen are evenly dehydrated.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: September 14, 1999
    Assignee: Lundar Electric Industrial Co., Ltd.
    Inventor: Tony Hsu
  • Patent number: 5878508
    Abstract: A modular food dehydrator utilizing a heater blower assembly located on a top surface of a dehydrator module. The heater blower assembly includes a motor driven fan, a heating element and an air distribution portion for directing heated air across the support surfaces. The heater blower assembly is preferably releasably attachable to the dehydrator module. In a first embodiment, the dehydrator module has a central opening extending generally vertically through the support surfaces in fluid communication with the heater blower assembly for directing heated air radially outward across the plurality of support surfaces. The dehydrator module preferably includes outlet vents on an outer perimeter surface for exhausting the heated air. At least one outlet vent is preferably located between each of the plurality of support surfaces.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: March 9, 1999
    Assignee: American Harvest, Inc.
    Inventors: John L. Knoll, Troy M. Iverson, Jeffrey E. Sandahl, Bryce M. Lemon, Joaquim da Rosa, Chad S. Erickson, David A. Dornbush, Richard P. Riedel
  • Patent number: 5826498
    Abstract: An apparatus for dehydrating fruits, vegetables and foods includes a stand having a recess, a blowing chamber having a top formed with a plurality of perforations, a fan chamber under the blowing chamber and communicated with the blowing chamber, and a tubular member close to a vertical inner wall of the recess, an electric motor fixedly mounted within the recess of the stand, a fan fitted within the fan chamber and drivingly connected with the electric motor, a base having a center hole fitted over the blowing chamber and a tubular portion close to an edge of the base, a plurality of trays each having a tubular portion aligned with the tubular portion of the base, a cover adapted to fit on an uppermost one of the trays and provided with a plurality of holes, an axle extending through the tubular member of the stand and the tubular portions of the trays, and a leg frame telescopically mounted on a bottom of the stand, whereby the trays can be easily turned open or closed as desired.
    Type: Grant
    Filed: December 8, 1997
    Date of Patent: October 27, 1998
    Inventor: Johnson Su
  • Patent number: 5787600
    Abstract: A dryer mounted in a housing with a balance for determining the moisture content of material to be weighed which is in a dish placed in the balance and is subjected to a heat source. The dish is placed in a dish support device which can be placed in and removed from the dryer together with the dish. The dish can be inserted into the dish support device and removed from the dish support device manually and from the side. An upwardly bent inner edge of a support ring prevents impurities resting on the support ring from unintentionally dropping into the dish.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: August 4, 1998
    Assignee: Mettler-Toledo AG
    Inventors: Roger Leisinger, Eduard Fringeli, Bruno Nufer
  • Patent number: 5755039
    Abstract: A component drier for drying electronic components which are washed with solvent. The component drier includes a drying chamber, in which a vat having a bottom surface wall allowing passage of air and water is arranged. The vat stores components to be dried. Heated air is introduced into the drying chamber through an air inlet which is positioned above the vat. The air in the drying chamber is forcibly discharged through an air outlet which is positioned below the vat. Thus, a space under the vat has a sufficient negative pressure as compared with a space above the vat so that the air forcibly passes through clearances between the components downwardly from above the vat, thereby removing most part of the solvent moistening the components in the liquid state. A small quantity of liquid which is left on the components is subsequently efficiently vaporized by the heated air.
    Type: Grant
    Filed: February 11, 1997
    Date of Patent: May 26, 1998
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Masataka Mae, Masaaki Okane
  • Patent number: 5709234
    Abstract: The apparatus of the present invention includes a dryer for reusable material which includes a housing having a top, bottom wall, and a side wall that together define a chamber. A flue connects a fan to the chamber. A heating mechanism is positioned adjacent the flue and thereby in communication with the drying chamber. The fan displaces air warmed by the heating mechanism toward an opening in one of the top, bottom wall or side wall and through a removable porous basket for holding remediated material that can be adapted to fit in covering relation over the opening. Thus, the reusable remediated material is quickly dried. This dryer can be used in combination with a washer tank and a quick-dumping removable porous basket adapted to fit into the tank and hold the remediated materials during washing as well as drying.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: January 20, 1998
    Assignee: B&S Research, Inc.
    Inventors: Brent J. Lashmett, Doug C. Lashmett, H. W. Lashmett, Larry R. Herzog, Thomas P. Tri
  • Patent number: 5636446
    Abstract: A component drier for drying electronic components which are washed with solvent. The component drier includes a drying chamber, in which a vat having a bottom surface wall allowing passage of air and water is arranged. The vat stores components to be dried. Heated air is introduced into the drying chamber through an air inlet which is positioned above the vat. The air in the drying chamber is forcibly discharged through an air outlet which is positioned below the vat. Thus, a space under the vat has a sufficient negative pressure as compared with a space above the vat so that the air forcibly passes through clearances between the components downwardly from above the vat, thereby removing most part of the solvent moistening the components in the liquid state. A small quantity of liquid which is left on the components is subsequently efficiently vaporized by the heated air.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: June 10, 1997
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Masataka Mae, Masaaki Okane
  • Patent number: 5458050
    Abstract: A multi-purpose cooker (10) having a base member (12) including a compartment (20) therein, a cover member (14) cooperable with the base member (12) for providing a food-steaming and food-dehydrating chamber (16) including the compartment (20) of the base member (12), a food retaining member (e.g., 42) retainable in the chamber (16) for supporting food to be dehydrated, and a food retaining member (e.g., 48) retainable in the chamber (16) for supporting food to be steamed. Preferably the base member (12) includes a heater (22) and a switch (78) for selectively energizing the heater (22) for heating water (11) retained in the compartment (20) during the steaming operation. Most preferably the base member (12) also includes a fan assembly (58), and the switch (78) is operable to selectively energize a motor (62) of the fan assembly (58) and the heater (22) simultaneously for dehydrating food, and to energize the heater ( 22) without the motor (62) of the fan assembly (58) for steaming food.
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: October 17, 1995
    Inventor: Johnson Su
  • Patent number: 5451524
    Abstract: An in vitro chamber for sustaining organ tissue samples during optical study with, for example a microscope, has a tray assembly with a plurality of wells, each of which may be provided with a clampable sleeve or a vertically adjustable thimble such that an associated organ tissue sample contacts a nutrient medium contained in a reservoir. The tray assembly rests upon a heater assembly having a water-jet-driven magnetic stirrer magnetically coupled with a driven magnetic stirrer in the nutrient reservoir to maintain a substantially uniform temperature in both the heater assembly and the nutrient reservoir. A thermally insulating collar surrounding the tray assembly and the heater assembly maintains relative positions thereof. A transparent cover encloses the top of the tray assembly so that air borne exchanges with the wells and nutrient splashes are substantially contained.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: September 19, 1995
    Assignee: The Gillette Company
    Inventors: Don Coble, Kristina N. Prodouz
  • Patent number: 5437108
    Abstract: The present food dehydrator may be substantially cylindrical in shape including a base member, an air heating and circulation means, a plurality of stackable trays, and a top. Each tray includes an outer wall structure and a platform section which may be separated from each other. Removal of a platform section when the trays are stacked allows for dehydration of larger items, and otherwise allows for easier cleaning of the tray and for replacement of the platform section. Attachment and detachment is performed by rotation of the platform section with respect to the outer wall structure. A method of forming the two-piece tray for the dehydrator is also disclosed.
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: August 1, 1995
    Assignee: American Harvest, Inc.
    Inventor: Steven Alseth
  • Patent number: 5423249
    Abstract: A food dehydrator for drying food with a heated airflow is disclosed, the food dehydrator having a base defining a base inlet, a plurality of stackable trays defining an outer duct along the circumference of each of the plurality of trays, and a top member having an outer outlet defined along the circumference of the top member, the outer outlet being in substantial alignment with the outer duct defined by the trays.
    Type: Grant
    Filed: January 12, 1994
    Date of Patent: June 13, 1995
    Assignee: American Harvest, Inc.
    Inventor: Michael F. Meyer
  • Patent number: 5379527
    Abstract: A combined steaming and dehydrating apparatus including: a base having a plug and a switch electrically connected the plug; a fixing plate arranged on the base and having an outlet and an inlet; a motor mounted on the fixing plate and electrically connected the switch: an impeller drivingly connected with the motor; a conical tubular member mounted on the outlet of the fixing plate: an insulating disc installed on the conical tubular member; a water container disposed on the insulating disc; a solenoid arranged on the water container; an electric heater provided with a cross outlet at the center and mounted on the water container; a water collector disposed on the electric heater; a plurality of drying pans mounted on the water collector and each provided with a plurality of mesh holes and a plurality of legs on the top; a steaming pan mounted on the drying pan and provided with a plurality of slots and a lug at both sides for holding; a cooking pan mounted on the steaming pan and provided with a lug at both
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: January 10, 1995
    Inventor: Yung S. Su
  • Patent number: 5373780
    Abstract: An apparatus is provided for controlling the ripening of produce. The apparatus includes a chamber having a ceiling, a floor and a plurality of walls. Positioned in the chamber is a support and position structure to support two rows of palletized produce and to space the palletized produce away from the walls to define a fluid circulation space around the palletized produce. The rows of palletized produce are spaced apart to define an interstitial volume therebetween. Each row of palletized produce includes at least an upper and a lower tier with a vertical spacing therebetween. A flexible sealing strip is affixed to the support and position structure to generally seal the vertical spacing between the tiers from the fluid circulation space.
    Type: Grant
    Filed: May 22, 1992
    Date of Patent: December 20, 1994
    Assignee: Cool Care Consulting, Inc.
    Inventor: Michael Bianco
  • Patent number: 5311673
    Abstract: This invention relates to an improved dehydrator for vegetables, fruits, or the like and in particular to one including: a heating device including a base having a frame in which is mounted an impeller, a fixing plate arranged on the base by screws and having an outlet, a motor mounted on the fixing plate and drivingly connected with the impeller, a cylindrical seat fitted in the outlet of the fixing plate, a heater fitted within the cylindrical seat, a cover installed on the base and having a packing and a top plate, the packing being mounted on the cylindrical seat in such way that there is a clearance therebetween; a receiving device composed of a plurality of circular containers which are mounted on the cover in order; and a regulating device including a circular disc mounted on the circular containers at the uppermost position, and a top cover, the circular disc having a center hole and a plurality of perforations, the top cover being formed with a plurality of slots so that the top cover may be turned t
    Type: Grant
    Filed: March 1, 1993
    Date of Patent: May 17, 1994
    Inventor: Yung-Sen Su
  • Patent number: 5261168
    Abstract: A fruit dryer includes a base to cintain a hot wind unit to produce hot wind, a bottom case and a plurality of intermediate cases possible to be deposited one on another for placing fruit to be dried therein, and an upper cap. The bottom case is deposited on the base. The intermediate cases is raised up for use or is lowered down for non-use relative to each other to lower the whole height of the fruit dryer for packing, transporting or storing.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: November 16, 1993
    Inventor: Kuan-Hsien Li
  • Patent number: 5235906
    Abstract: A vegetable dehydrator has a base unit of a bow shape adapted to rest a whirlwind unit therein and a tray which is not limited in one, sitting on top thereon and capped by a cap. The whirlwind unit includes an upper and a lower air inlets which are passage for air sucked in by a fan both from outwardly and inwardly, a heating element located therein to raise temperature of air therein. The tray has a plurality of apertures at bottom portion for air to flow therethrough, a plurality of cut-off portions at outside surface of the tray. Each cut-off portion includes a number of notches which is to be engaged with protuberances extending outwardly from the other tray that put on top of the tray. Adjusting knob is provided on the cap so as to adjust warm air to be blown out therefrom.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: August 17, 1993
    Assignee: Lundar Electric Ind. Co., Ltd.
    Inventor: Tony Hsu
  • Patent number: 5228385
    Abstract: A convection oven for bakery goods. The oven is of the type having sidewalls, a floor, a top and an opening in one of its sidewalls for permitting at least one multilayer wheeled cart to be pushed into and removed from the oven. The oven includes a fan located in the top of the oven for circulating heated air in a closed path through the interior of the oven. A plenum is located in the pair of opposed sidewalls adjacent to the sidewall having the opening The plenum extending substantially from the top to the floor of each sidewall and includes a plurality of horizontal air outlet slots extending substantially the depth of the oven. The horizontal air outlet slots are arranged with a 1:1 correspondence with respect to each rack of the multilayer wheeled cart. Heat recovery means are located in the plenum portion of the opposed sidewalls.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: July 20, 1993
    Assignee: Friedrich Metal Products Co., Inc.
    Inventors: Robert J. Friedrich, Axel Bender
  • Patent number: 5215004
    Abstract: A dehydrator for vegetables or the like is provided. The dehydrator includes a base having a heating wire and a concealed plug, a plurality of circular containers engageable each with another, and a cover mountable on top of one of the circular containers. The dehydrator can be collapsed by increasing the engagement between the respective circular containers and inverting the cover, when not in use.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: June 1, 1993
    Inventor: Johnson Su
  • Patent number: 5203258
    Abstract: An apparatus for heating food articles including a chamber containing a plurality of vertically, spaced-apart supports, each having a hollow interior which is interconnected by a single conduit. A thermostatically controlled steam generator is connected to the single conduit serving to both transmit steam to the supports and return condensate water back to the steam generator to thereby heat the food articles.
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: April 20, 1993
    Inventors: Vincent P. Tippmann, Joseph R. Tippmann
  • Patent number: 5123178
    Abstract: A free standing apparatus for warming popcorn is disclosed comprising a storage compartment having a plurality of shelves for holding food containers, a base portion housing means for providing heated air to the storage compartment and a conduit for returning the heated air from the storage compartment to the base portion for recirculation. The shelves are formed with a plurality of apertures to allow the heated air to circulate through the storage compartment within a close proximity to the food portions. The heating means is a combination of heater, diffuser and blower to circulate the heated air throughout the unit.
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: June 23, 1992
    Assignee: Six Corners Development Company
    Inventor: Andrew M. Stein
  • Patent number: 5014446
    Abstract: A device for heating an article such as a towel or the like comprises an enclosure and a heating device for providing heated air under positive pressure to the interior of the enclosure. A support in the form of a rack is arranged in the interior of the enclosure, dividing the enclosure into an upper volume and a lower volume. The towel is adapted for placement onto the upper surface of the rack, and cooperates with the lower wall of the enclosure to define a lower passage within which the heated air under positive pressure is received. Vent openings are provided in the upper portion of the enclosure for providing a bottom-to-top flow path for air supplied to the enclosure, with the towel being disposed in the flow path, and thereby heated by air circulating therethrough.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: May 14, 1991
    Inventor: Russell B. Reesman
  • Patent number: 4779604
    Abstract: Into the baking chamber of a baking oven a carriage (7) carrying the baking goods (5) can be shifted in between two partition walls (13) having horizontal slots (14) through which hot air is blown into the baking chamber (4) in alternating directions. The carriage (7) carries channels (21) joining the slots (14) and being confined by guide sheet metal elements (20). By these channels (21) the air passing through the slots (14) is guided towards the center of the carriage and onto the baking good.
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: October 25, 1988
    Inventor: Helmut Konig
  • Patent number: 4750276
    Abstract: Impingement heating or cooling apparatus that employs an axial flow fan, a plenum, collector and a columnating assembly for directing jets of a temperature controlled gas against the surface of a food product. Means for contacting a first layer of food products with impinging jets of a temperature controlled gas and for simultaneously contacting a second layer of food products with an alternating, convective flow of a temperature controlled gas is also provided.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: June 14, 1988
    Assignee: Donald Paul Smith
    Inventors: Donald P. Smith, Virgil L. Archer, William W. Plumb, Jarald E. High, Robert W. Foreman
  • Patent number: 4677764
    Abstract: A planar drying surface is provided with an overlying water permeable grill for the placement thereon of wet footwear and outerwear. A fan circulates ambient or heated air under and around the wet articles through the grill. The device may be a free standing planar unit or may be positioned within an enclosure. It may also be structurally built into a cavity in a building wall.
    Type: Grant
    Filed: February 11, 1985
    Date of Patent: July 7, 1987
    Inventor: Gene L. Cerny
  • Patent number: 4625432
    Abstract: Apparatus for the drying and sterilizing of fabrics, the apparatus comprising a drier cabinet provided with means for suspending therein fabric articles, and with means for generating, distributing and circulating warm air for drying purposes and hot air for the sterilization of the fabric articles.
    Type: Grant
    Filed: November 30, 1984
    Date of Patent: December 2, 1986
    Inventor: Hans Baltes
  • Patent number: 4583454
    Abstract: A food processor (20), such as a smokehouse, cooker, dryer or the like, includes a food receiving chamber (22) having left and right ports (24 and 26) closed and opened by air flow control means provided by pivoted perforated louvers (44 and 46). For rightward horizontal air flow across flat-lying food products, the left set of louvers is closed such that air flow is restricted to passage only through the perforations or orifices (48) as an input port. The right set of louvers are open to provide lower resistance to and a higher volume of output air flow. This enables the discharge of th extra volume of water vapor due to moisture evaporating from the food in the chamber and in turn enables uniform air flow circulation and food processing without the accumulation of water vapor and consequent increased humidity in the chamber which would otherwise retard drying.
    Type: Grant
    Filed: July 24, 1984
    Date of Patent: April 22, 1986
    Assignee: DEC International
    Inventors: Min-Nan Huang, David L. Brethorst
  • Patent number: 4536643
    Abstract: The present food dehydrator may be substantially cylindrical in shape including a base member, a plurality of stackable trays, and a top. The base member has a first chamber adapted for receipt of a heater element for convection air distribution and a second chamber adapted for receipt of a heating element suitable for forced air distribution. The base member further includes a chamber adapted for receipt of an electric fan motor. The dehydrator is convertible between a convection heating made and a forced air heating made by selectively mounting the convection heating element and the forced air heating element in their respective chambers.
    Type: Grant
    Filed: April 20, 1983
    Date of Patent: August 20, 1985
    Assignee: Alternative Pioneering Systems Inc.
    Inventor: Chad S. Erickson
  • Patent number: 4486961
    Abstract: Apparatus and process for blow drying hair in which the air is dehumidified by passing it through a special housing fitted with a moisture-absorbing filter insert placed ahead of the air which impinges against the hair. A regeneratable drying agent such as aluminum oxide, silica gel, or the like constitutes the moisutre absorbing filter insert. In a preferred embodiment a fan driven by an electric motor sucks the drying air through a slit in a double-walled hood which fits over the hair so that the air sucked through the slit must pass through the filter insert into an inside wall portion of the hood which is perforated and lies next to the hair which is being dried. A holder for the hood is swivelably mounted so that it can be fixed to a wall. Moist air which reaches the outside hood is recirculated to the inside wall and again fed to the filter insert for repeated dehumidification. In this manner at least part, if not all, of the air is dehumidified.
    Type: Grant
    Filed: March 18, 1983
    Date of Patent: December 11, 1984
    Assignee: GAP Gesellschaft f/u/ r Auswertungen und Patente AG
    Inventors: Marinus Giesselbach, Wendela Giesselbach
  • Patent number: 4380127
    Abstract: A dehydrator apparatus for foodstuffs and the like comprising a generally cylindrical tubular housing having a motor driven fan disposed generally centrally therein and above a base wall portion. A plurality of air inlet flow channels are provided in the base of the housing opening into the interior generally around and adjacent to the fan to provide for inlet air flow generally over the fan motor. A plurality of vertically stackable nested food drying trays are adapted to mount on the top of the housing, each tray being provided with a foraminous food supporting shelf having a substantial number of openings arranged in radially spaced apart annular rows. The openings are generally rectangular in shape and are convergent in the intended direction of air flow to minimize recirculation or flow in a direction opposite to the intended vertically upward flow direction thereby enhancing the drying or dehydrating performance of the apparatus.
    Type: Grant
    Filed: February 27, 1981
    Date of Patent: April 19, 1983
    Inventor: Elliott D. Roberts
  • Patent number: 4361968
    Abstract: An apparatus for polymerization of adhesive resin applied to the junctions of tennis racket netting, comprising a container having a plurality of superimposed compartments communicating with one another and each arranged to receive a racket, a source of heat arranged below the compartments and a fan arranged above said compartments for circulation of heated air from said source of heat through said compartment and a vertical passage adjacent said compartments back to the bottom of said container.
    Type: Grant
    Filed: November 13, 1980
    Date of Patent: December 7, 1982
    Inventor: Aldo M. Robaldo
  • Patent number: 4323585
    Abstract: With the process, pasta products are packed in serving portions, ready for sale. For doing this, the pasta products are separated into serving portions prior to drying and packing into the package. In order to avoid mechanical breakage, provision is made, when separating the pasta products, to lay at least one serving of pasta product onto a carrying member of the at least two-part package. Afterward, the carrying member is combined with the remaining packaging members into a package.
    Type: Grant
    Filed: February 14, 1980
    Date of Patent: April 6, 1982
    Assignee: Gebrueder Buehler A.G.
    Inventor: Josef Manser
  • Patent number: 4245398
    Abstract: Apparatus and process for utilizing solar heat for dehydrating all form of vegetable matter.
    Type: Grant
    Filed: May 15, 1979
    Date of Patent: January 20, 1981
    Inventor: Leandre A. Poisson