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Class 34/550 - Sensor engages material


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Apparatus including a means that touches the substance being
No. of patents: 41
Last issue date: 04/08/2008


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NumberTitleIssue Date
7353624Clothing drying machine and method for sensing dryness level using the same
A clothing drying machine, which terminates drying operation when a dryness level of the drying machine reaches a target level desired by a user, and a method for sensing the dryness level using the same. The method includes counting the frequency of a case, in whic...
04/08/2008
7347008System and method for controlling the operating parameters of a setting system
A system includes a device for setting a material, such as ink, deposited on a textile or graphic. A programmable logic controller includes a power intensity selector and an application module and is operably connected to the device. The application module is capabl...
03/25/2008
7231727Apparatus and method for removing moisture
The present invention relates to a moisture removal apparatus and method for accurately detecting moisture generation in an early stage and quickly removing it so as to prevent steam or frost from being formed on glass surfaces of vehicles and industrial devices, an...
06/19/2007
6983552Laundry dryer and control method thereof
A laundry drier and control method thereof are provided, by which a new reference voltage is set to perform a next drying procedure if, upon a determination of a completion of a current drying procedure, there is a difference between a voltage representing a sensed ...
01/10/2006
6964117Method and apparatus for adjusting a moisture profile in a web
An apparatus for drying a travelling wet fibrous web is provided which comprises a rotating air-permeable drum. The drum is at least partially surrounded by a hood which has an interior space for receiving a flow of air and directing the flow of air through a permea...
11/15/2005
6951065Method and apparatus for controlling gas flow through granulate in drying hoppers
Method and apparatus for drying granulate material in a hopper by controlling the amount of gas which flows through the hopper to heat and to dry the granulate. The control allows to use a minimum amount of gas for heating the granulate to the drying temperature and...
10/04/2005
6898868Wrapping irregularly shaped objects in production line
A hood-shaped foil covering an object is heat-shrunk around the object by displacing the object covered by the foil along a generally straight path in a transport direction past a stationary heater which is directed at an acute angle to the direction. The position o...
05/31/2005
6807750Apparatus for and method of controlling seed cotton drying in a cotton gin
An apparatus and method for controlling the removal of moisture from seed cotton in a cotton gin. The moisture level and rate of seed cotton entering a seed cotton dryer stage of a cotton gin are measured, and, based on those measurements and the desired moisture le...
10/26/2004
6449875Method of heating bulk material, especially granular plastic material
A method for heating bulk materials, especially granular plastic material, in which the bulk material is fed to a vessel and exits the vessel based on the consumption. A heat-transfer gas flow is simultaneously fed to the vessel and conducted either cocur...
09/17/2002
6159360Invertible filter centrifuge including a solids drier
A solids dryer is post-connected to an invertible filter centrifuge, wherein a dehumidification and drying of the solids takes place in the invertible filter centrifuge by means of centrifugation, pressure gas compression and/or heat convection and in the...
12/12/2000
6047486Control system for a dryer
A hybrid control for a clothes dryer which combines an electromechanical timer and a microprocessor. The electromechanical timer has a plurality of switches connected to a plurality of input ports of the microprocessor. The timer switches are driven by a ...
04/11/2000
6026592Drying rack with electronic control
A stationary drying rack of the present invention is used in a clothes dryer for drying articles of clothing which cannot be tumbled by the dryer. The stationary rack is capable of using the electronic control drying circuitry of the dryer by making elect...
02/22/2000
6006440Process and apparatus for drying a slurry
The invention is directed to a process and apparatus for drying a slurry, particularly a sludge, such as sewage sludge, in which a sludge mixture of recycled dried sludge and wet sludge is fed to a drier. The quantity of wet sludge or recycled dried sludg...
12/28/1999
5960561Method and apparatus for roasting coffee beans in small quantities
A technique for roasting coffee beans to a desired doneness. A fan forces air through a heating element and into an opening in a funnel-shaped bottom of a roasting chamber. A stream of heated air lifts beans located over the opening until they fall out of...
10/05/1999
5757195Humidity sensing circuit
A humidity sensing circuit uses a humidity sensitive capacitor as a circuit element in an RC control network for a timer/multivibrator circuit. As the voltage on one plate of the capacitor swings between charge and discharge voltage limits and correspondi...
05/26/1998
5661227Moisture sensor for microwave clothes dryer
Microwave clothes dryer with a moisture sensor having an array of short coaxial cables extending through an electrically conductive base plate which is grounded to the shielding structure of the dryer. The ends of the cables are flush with one side of the...
08/26/1997
5651194Apparatus and method for controlling reversible dryer
A dryer and a method for controlling a dryer for drying items in a rotating drum by supplying hot air therein. In the rotating drum, electrodes are provided in a position at which the items in the rotating drum enable to come into contact with the items. ...
07/29/1997
5570521Control system for a grain dryer and probe mounting apparatus therefor
A control system (80-1, 80-2) is provided for a grain dryer (10) having a path (22, 24) along which grain is conveyed from an entry opening (28) between first (12, 14) and second (18, 20) walls provided with second openings through which drying air can fl...
11/05/1996
5564199Method and apparatus for drying wood plates using hot plates
Wood plates are dried by inserting the wood plates into respective spaces between a plurality of hot plates layered in steps. The wood plates are held, pressed and heat dried by and between the hot plates. A portion of spaces between the hot plates can be...
10/15/1996
5537758Drier for the continuous drying and conditioning treatment of hides fabrics
A drier for the continuous drying and conditioning treatment of hides and fabric products has a drying chamber having first and second areas, a loading unit for conveying product to the first area, a conveyor for transporting product from the first area t...
07/23/1996
5345694Drying machine
A clothes drying machine has a drum where clothes to be dried are placed. A detection electrodes of a degree-of-dryness detecting circuit are positioned in the drum, by which a microcomputer determines whether the clothes are dried. The drying machine has...
09/13/1994
5320426Asphalt drum mixer having temperature sensor enclosure
A drum mixer is useful in the continuous production of asphalt paving composition, and has provision for the accurate control of the final temperature of the composition being produced. The drum mixer comprises a fixedly mounted cylindrical sleeve dispose...
06/14/1994
5301438Drying machine
A drying machine has a degree-of-dryness detecting circuit which detects the degree of dryness of clothes in a drying chamber and a temperature detecting circuit which detects the temperature of the air exhausted from the drying chamber. Two heaters are t...
04/12/1994
5291667Electronic control of clothes dryer
A control system for a clothes dryer is disclosed. A microprocessor monitors the heated inlet air temperature and the exhaust temperature. If the inlet temperature exceeds a high limit value a given number of times, an air blockage indicator is activated....
03/08/1994
5276978Temperature controlled conveyor dryer
A temperature controlled conveyor system where a non contact sensor detects the presents of a product to be treated and then supplies a signal to a control device to regulate a radiant heating device. Also the conveyor has an adjustment device to set the ...
01/11/1994
5245764Method for controlling a laundry dryer
A method for controlling a laundry dryer in accordance with an amount of laundry to be dried, comprising discriminating the amount of blankets contained in a drum and controlling the output of a heater unit, based on the discrimination as to the amount of...
09/21/1993
4916830Grain dryer control system and method using moisture sensor
A control system for a drying system of the type including a drying bin. Discharge particulate material moisture sensing means including a sensor assembly positioned in a discharge auger for sensing the moisture content of the particulate material. Contro...
04/17/1990
4896795Grain moisture sensor
A grain moisture sensor includes a capacitor having at least a pair of capacitor plates positioned within a grain drying bin adjacent the bottom wall and in spaced relation from the peripheral side walls so that grain in the bin fills the space between th...
01/30/1990
4875297Device for treating a material web
A device for treating a material web comprising a heating roller with at least one flow channel extending through the heating roller in its longitudinal direction, feed and return pipes for a heat carrier fluid flowing through the heating roller, a heatin...
10/24/1989
4837547Thermal cutoff assembly
A thermal cutoff is mounted adjacent a bleed opening in a hot air duct. Hot air flowing through the bleed opening mixes with ambient air before contacting the thermal cutoff. If a predetermined air temperature is exceeded, the thermal cutoff operates, and...
06/06/1989
4821427Method and apparatus for reducing the moisture content of wet yarns
A method and apparatus for reducing the moisture content of wet yarns are disclosed. Wet yarn is supplied to a pair of internally heated drier rolls which contact and spirally advance the yarn along the rolls to progressively dry the yarn. Heat is supplie...
04/18/1989
4813153Ink drying apparatus
An ink drying machine for T-shirts and other articles which employs an array of ceramic heating tiles having flat surfaces to provide a large area of uniform intensity and wavelength radiation to the surface of T-shirts and other articles moving below the...
03/21/1989
4738034Drying machine
According to this invention, a drying machine includes detection electrodes arranged to face the interior of a drum constituting a drying chamber and to be capable of contacting clothes in the drum, a volume (weight)-of-clothes detecting circuit for detec...
04/19/1988
4696115Method and apparatus for drying wet particulate material to a predetermined uniform moisture content
In a fluidized bed drying process, the average temperature of a group of particles being dried rises during a warm-up zone, remains constant during a constant-temperature drying zone and again increases during a final zone. In order to maintain the moistu...
09/29/1987
4556444Heating device for corrugated cardboard in a corrugated cardboard pasting machine
A heating device for corrugated cardboard in a corrugated cardboard pasting machine, comprising several heating plates spaced in feeding direction and covering the maximum width of the corrugated cardboard strip while being adapted to be connected to a so...
12/03/1985
4525937Moisture monitoring dryer control apparatus
A moisture monitoring dryer control apparatus for a dryer having an electrically operated motor, a heater and an exhaust duct through which air from the dryer passes whose humidity level signifies the residual moisture in the goods being dried. The appara...
07/02/1985
4477982Microcontroller-based dryer control
A control is provided for a fabric drying machine and includes selection apparatus operable for initiating a fabric drying cycle having a dryness sensing operation. The control includes a microcontroller for controlling the fabric drying cycle as initiate...
10/23/1984
4470204Control device for a laundry drier
A control device for a laundry drier of the kind in which mechanical movement of the laundry load in a drum causes the article(s) constituting the load to form an electrically resistive connection between contact electrodes 5 and 6 in the drum. An a.c. se...
09/11/1984
4422247Low voltage sensor for a dryer
A fabric treating apparatus, such as a domestic clothes dryer, is provided with a digital control circuit and a sensor system which cooperate to terminate a fabric treatment operation when the fabric reaches a desired condition. A digital counter receives...
12/27/1983
4251925Apparatus for drying tobacco
Apparatus wherein tobacco is dried in several successive units each of which contacts a continuous stream of tobacco with hot air. The moisture content of tobacco is measured between a preceding unit and the next-following unit, and the temperature of hot...
02/24/1981
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