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Class 431/86 - By manually started timer or retarder, or by time of day device


Subclass of Class 431 - Combustion
Definition: Apparatus including (1) a time measuring device that is
No. of patents: 28
Last issue date: 04/03/2007


NumberTitleIssue Date
7198484System to automatically extinguish a candle
A system and method provide a container holding a candle, a covering portion that can cover an opening of the container holding the candle, a device that automatically extinguishes the candle utilizing the covering portion and an attachment portion shaped to fit aro...
04/03/2007
7134871Timer device for gas stove for allowing gas-turning off automatically
A timer device for gas stove for allowing gas turning-off automatically, which comprising a housing, a disc-like wheel, a motor, a driving wheel, an microswitch and a timing circuit, wherein the housing mounted on a surface of a gas stove, an top surface and a botto...
11/14/2006
6881055Temperature controlled burner apparatus
A system for controlling temperature in an enclosure operates in a low heat or a high heat mode with flame always present. The presently intended use is for providing a cooking grill with a controlled temperature cooking space. An electrically controlled valve havin...
04/19/2005
6733276Gas shut-off device
A gas shut-off device is provided to automatically cut off gas supply to a gas appliance, such as an outdoor gas fueled barbecue grill, at the expiration of a predetermined time period thereby saving gas and preventing hazards usually associated with a grill that ha...
05/11/2004
6494708Safety device for candles
A method and apparatus is taught for a safety device for a lighted device in a container. The safety device comprises a closing device, an attachment device, and a holding device. The safety device further comprises a coupler configured to operatively cou...
12/17/2002
6217315Liquid fuel burning device
A liquid fuel burning device comprising a wick for sucking and burning a liquid fuel contained in a fuel tank by capillarity and a vent passage which is provided in a portion other than a fuel passage used by the wick and allows communication between an i...
04/17/2001
6196832combustion wick for liquid fuel combustion appliance
A liquid fuel burner has a wick for drawing up by capillarity of a draw-up section liquid fuel composed mainly of alcohol contained in a fuel tank and for burning it at a tip flame-producing section, a wick holder for holding the wick, an igniter for ligh...
03/06/2001
6050808Control device for gas burners
There is provided a control device for a gas burner used for gas cookers, in which the gas burner is connected to a flame monitoring device. The flame monitoring device has a timing device (11) which regulates a closing mechanism of a gas valve (7) or a g...
04/18/2000
5941236Roofing kettle control apparatus
Roofing kettle apparatus for heating asphalt includes a wheeled chassis mounting a vat and a heating system for heating the vat. The heating system includes a solenoid operated valve for controlling the flow of fuel gas from a fuel gas source to each of a...
08/24/1999
5598863Fluid flow volume scheduling control system
A Fluid Flow-Schedule Control System includes a flow volume regulating subsystem and a control subsystem for determining and maintaining optimal time-based scheduling of fluid flow volume to a fluid actuated host. Together, the subsystems provide a functi...
02/04/1997
5584679Gas leakage protection apparatus
Gas leakage protection apparatus includes a pressure-differential sealing device and a thermal electricity converting device installed at a burner head for converting the heat of the fire into electric energy which is supplied to a solenoid valve at a bot...
12/17/1996
5503549Ultra low power valve for the control of gas flow
A turn down device for regulating gas flow within a gas lamp that is of the general type having a lamp post and a mantel. The device has a conduit configured to allow gas to flow therethrough and a gas supply line connected to the conduit for supplying ga...
04/02/1996
5478232Ambient light controlled outdoor gas light
An outdoor lamp has a solenoid valve which controls the feed of gas and mixed with air to an electrically conducting venturi table and thence to burner tips which are surrounded by mantles. An electrode disposed adjacent to a slit in the venturi tube crea...
12/26/1995
5464038Fluid flow control system
A Fluid Flow-Schedule Control System includes a flow volume regulating subsystem and a control subsystem for determining and maintaining optimal time-based scheduling of fluid flow volume to a fluid actuated host. Together, the subsystems provide a functi...
11/07/1995
5329955Apparatus and method for mixing gases
Method and apparatus for mixing gases while providing a substantially constant gas-to-gas ratio while increasing or decreasing the flow of the mixture, wherein the flows of gases introduced into the mixing step are turbulent and have a Reynolds number of ...
07/19/1994
5213075Igniter for charcoal grill
A gas burner (11) for a charcoal grill having a bowl (12) includes an elongated burner tube (30) secured to the bowl and passed through an opening (36) in the bowl (12) so as to be positioned in a substantially horizontal manner below and substantially pa...
05/25/1993
4963088Safety-related parameter inputs for microprocessor ignition controller
A control circuit for controlling the ignition time of a control system for a gas-fired combustion air heating appliance comprising a set of potentiometers and a controller for detecting failures in the control circuit. The set of potentiometers are used ...
10/16/1990
4834644Premix oven pulsing control system
A plurality of burners are provided for burning a combustible gas mixture. A conduit extends to each of the burners for supplying a combustible gas mixture thereto. A mixing device is coupled between the conduit and a source of air and a source of combust...
05/30/1989
4830606Gas lamp and control thereof
An outdoor-type gas lamp is provided with a photovoltaic solar cell means, a rechargeable battery connected to the solar cell means, a normally-opened electromagnetic gas valve means, and an ignitor means connected to both the photovoltaic solar cell mean...
05/16/1989
4756336Stove control timer
A timer for attachment to a stove operated by manually controlled gas control knobs converts an ordinary manually operated stove to a timer controlled stove without requiring a technician to cut in to the gas lines of the stove. The timer includes a housi...
07/12/1988
4614491Multiple burner control apparatus
A single blower/multiple burner control system including a burning chamber, having a plurality of burners disposed therein. An equal number of conduits extend from the burning chamber to a manifold being supplied with a constant supply of air under pressu...
09/30/1986
4543055Method of controlling the fuel supply and burner for liquid fuel
The liquid fuel is supplied to a burner through a control member, which is repeatedly energized with a set frequency for obtaining the desired temperature. A deviation from an expected heat contents of the fuel is compensated by setting the energizing tim...
09/24/1985
4504212Control apparatus for dental gas burner
A control apparatus for a dental gas burner is disclosed which is capable of variably setting combustion time of the burner as desired. The control apparatus comprises a circuit for operating a solenoid valve provided at a fuel gas supply pipe, a circuit ...
03/12/1985
4410135Controller for a room heating system
A controller for a space heating system employs a room thermostat and a furnace thermostat responsive to the temperature of a room and a furnace, respectively, for firing the furnace. This controller has a power input terminal for receiving primary electr...
10/18/1983
4376626Device for the control of a sequential burner of a cooking apparatus
Control device for at least one sequential burner of a cooking apparatus, comprising in combination: a geared-down synchronous motor and a drum which can be driven in rotation by this motor, an electric circuit associated with this drum, comprising at least on...
03/15/1983
4324763Incense burning apparatus
In an apparatus for successively igniting a plurality of incense sticks or other elongated combustible articles, a series of timer discs on a common shaft is rotated by an electric motor. The rim of each disc is provided with a bore for holding one end of...
04/13/1982
4311448Smoking elimination guidance system
The smoking elimination guidance system of the invention, which is preferably incorporated in a cigarette lighter, includes a timer which is responsive to each operation of the cigarette lighter automatically to initiate a new predetermined timing period ...
01/19/1982
3976421Apparatus for sediment control in oil burner installations
This invention relates to oil burner installations which include a storage tank for the oil and a pump for delivering oil from the storage tank to a burner. When the storage tank is refilled with oil, sediment at the bottom of the tank is stirred up and p...
08/24/1976
 
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