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| Number | Title | Issue Date |
| 7159646 | Electrohydrodynamically (EHD) enhanced heat transfer system and method with an encapsulated electrode An electrohydrodynamically enhanced heat transfer system (EHD) includes an electrode completely encapsulated in an insulating material and coupled to a power supply to generate an electric field between a heat transfer surface and the encapsulated electrode when ene... | 01/09/2007 |
| 7055763 | Mist generating device A mist generating apparatus having a casing that is divided into a storage chamber, a pump chamber, a waterwheel chamber and a mist chamber. The storage chamber is provided with a water storage tank having a heater, while the pump chamber is provided with a pump. A ... | 06/06/2006 |
| 7053341 | Method and apparatus for drum level control for drum-type boilers A method for controlling the level of a drum in a drum-type boiler includes adjusting a gain of a drum level PID (such as a Proportional Integral Derivative control) in accordance with a signal representative of a set of tuning constants, a signal representative of ... | 05/30/2006 |
| 6941955 | Hair iron device A hair iron device having a hair iron main body, which holds hair with a first iron and a second iron oscillating to open and close, in order to set the hair. Plural small protruding portions having a pyramid shape are disposed on corresponding faces, and mutually c... | 09/13/2005 |
| 6792963 | Coolant fed humidifier having siphon drain and method therefor A hot water humidifier with an automatic siphon drain fed with cooler source water is flushed via a drain. The humidifier includes the humidifier tank and an inverted U-shaped siphon conduit having one end coupled to the tank and the other end coupled to the drain. ... | 09/21/2004 |
| 6681998 | Aerosol generator having inductive heater and method of use thereof An aerosol generator includes an induction heating arrangement to vaporize fluid contained in a fluid passage. The vapor is then expelled from the fluid passage into the air creating a mist that forms the aerosol. The aerosol generator includes an excitat... | 01/27/2004 |
| 6078729 | Foam, drain and fill control system for humidifier The control system for a humidifier, which is part of a heat, ventilation or air conditioning HVAC system, detects the level of water and generates control signals by detecting the capacitance of the water in the humidifier. These control signals are used... | 06/20/2000 |
| 6067403 | Household electrical steam generator with stabilized boiler water level, particularly for smoothing irons In this household electrical steam generator, particularly for smoothing irons, the water level within the boiler is stabilized by electronic and/or pneumatic action, electronic action being actuated by a temperature sensor positioned on that portion of t... | 05/23/2000 |
| 5943949 | Indoor grille An indoor grille having a steam-generating reservoir is described. The reservoir is heated by the heating elements used to heat the grille structure of the unit. The combination of steaming and grilling provides a flavorful quality to meats and other food... | 08/31/1999 |
| 5880438 | Steam sterilization apparatus and control system A steam sterilization apparatus (10) includes an electronic control system having a main control circuit (C) including a central processing unit (68), an input device (36), and output devices (24,28) provided on a single circuit board (22) which is attach... | 03/09/1999 |
| 5805765 | Wall-mounted steam generating apparatus and a steam head Steam generating apparatus in the form of a thin, compact generally self-contained wall-mountable fixture. The fixture includes an upright front face section of porcelain or the like for being mounted in the wall of a shower or other enclosed steam room. ... | 09/08/1998 |
| 5739504 | Control system for boiler and associated burner A control system for use with a boiler and associated burner. In one embodiment, the system comprises a first control circuit for producing a signal having alternating first and second states, the first state activating the burner and having a first prede... | 04/14/1998 |
| 5619611 | Device for removing downhole deposits utilizing tubular housing and passing electric current through fluid heating medium contained therein A device for removing deposits such as asphalt, hydrates, and paraffins from petroleum and natural gas production strings and pipelines include a tubular housing divided into a heating section at a forward end and a ballast section at a rear end, the heat... | 04/08/1997 |
| 5598766 | Control circuit for an automatic cooking apparatus An automatic cooking apparatus includes a plurality of mechanisms for supplying, based on input data, plural kinds of food stuffs to cook various foods. A control circuit for the automatic cooking apparatus is formed of an operating device for operating t... | 02/04/1997 |
| 5408917 | Appliance for preparation of hot drinks The appliance, in particular a coffee machine, comprises three boilers (1, 2, 3). In addition a heating element (10, 11, 12) is disposed in each boiler, which element can be switched on and off through one switching means each (20, 21, 22) which are provi... | 04/25/1995 |
| 5286942 | Induction steam humidifier Apparatus and method for producing steam for humidification of residential and commercial buildings by electrical induction heating of water are disclosed. The apparatus comprises a readily-removable non-magnetic water tank containing a magnetic target in... | 02/15/1994 |
| 5222185 | Portable water heater utilizing combined fluid-in-circuit and induction heating effects A portable electric water heater has spaced concentrically disposed ferromagnetic electrodes defining an annular chamber for an electrically conductive liquid to be contained between the electrodes. The electrodes are encased in a housing having a liquid ... | 06/22/1993 |
| 5076467 | Dental washer A dental washer includes a heating vessel for heating a washing liquid by an electrical heater to generate superheated steam, so electromagnetic pump on a water supply pipe communicating with the heating vessel and a water source, an electromagnetic valve... | 12/31/1991 |
| 4939343 | Steam generator for steam baths A steam generator (1) for steam baths, in particular steam cubicles, is proposed, where a column-shaped housing (2) has an electrically heatable water bath (3) acted upon by air in operation, so that the air surrounding the housing (2) is sucked through a... | 07/03/1990 |
| 4783585 | Downhole electric steam or hot water generator for oil wells A downhole heating generator for producing steam or hot water in oil wells to aid in the recovery of oil includes an elongated cylindrical housing suspended by a cable within the tube string of an oil well bore at the level of a geological formation to be... | 11/08/1988 |
| 4748314 | Device for the rapid vaporization of a liquid To provide for the rapid vaporization of a liquid, a porous body is impregnated with the liquid. Then the liquid contained in the porous body is heated, so as to cause a rapid vaporization of the liquid in the porous body which liquid continually migrates... | 05/31/1988 |
| 4439669 | Instantaneous electrode-type water heater An electrode-type water heater or steam generator constructed from only three different manufactured parts includes an electrically non-conductive housing formed from a pair of complementary identical open-face housing sections. The housing sections each ... | 03/27/1984 |
| 4378846 | Enhanced oil recovery apparatus and method Apparatus for heating hydrocarbons, and the like, in an underground reservoir for the purpose of lowering the viscosity of the substance in the reservoir and facilitating the flow thereof has a flow channel arrangement disposable in a reservoir of the mat... | 04/05/1983 |
| 4370543 | Shower-sauna instantaneous electric steam or hot water supply unit A shower-sauna apparatus includes an electrically insulative container for accomodating a volume of water to be heated. A vertical central tube extends through the container and has a threaded upper end adapted to be connected to a source of water and a t... | 01/25/1983 |
| 4266116 | Electrode-type steam generating device for generating superheated steam A superheated vapor generator including a porous material substantially filling an annular space between two concentric spaced apart tubular inner and outer electrodes connected across a power source. A pump is provided to pump a predetermined quantity of... | 05/05/1981 |
| 4105894 | Steam heated hot air furnace having an electric steam boiler In a furnace having a boiler in which a pair of spaced electrode plates are supported, electric current is applied to the electrodes to generate steam which flows out of the boiler through a steam conduit to a heat exchanger. A blower forces air across th... | 08/08/1978 |
