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Class 34/499 - Rotating drum


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein the material motion is produced by a revolving
No. of patents: 59
Last issue date: 03/29/2011


1    
NumberTitleIssue Date
7913418Automatic clothes dryer
An automatic clothes dryer comprises a cabinet defining an interior space in which is rotatably mounted a drum that defines a drying chamber, a heater assembly having a heating element for heating air, and a motor for rotating the drum. A blower is mounted within th...
03/29/2011
7117613Laundry appliance
A laundry machine includes a cabinet and a laundry holding drum rotatably supported therewithin. The drum includes a wall and a drum hatch comprising a section of the wall. A motor is connected to rotate the drum. A controller is configured to operate the motor to d...
10/10/2006
7066412Apparatus, methods, and compositions for adding fragrance to laundry
The invention provides an apparatus, methods, and compositions for dispensing a fragrance onto laundry in a dryer without substantial loss of that fragrance during the drying process. The apparatus includes an electrostatic vapor generator capable of dispensing a fr...
06/27/2006
7055262Heat pump clothes dryer
A drying apparatus for drying articles such as clothing is provided. The drying apparatus includes a chamber for containing articles to be dried and a system for supplying heated dry air at a first temperature to the chamber. The air supplying system comprises an ai...
06/06/2006
7047666Clothes dryer and method for utilizing an ultrasound atomizer
A clothes dryer includes at least one clothes drum for receiving textiles and at least one ultrasound atomizer disposed in the dryer for generating an aerosol from a liquid. The invention further relates to a method for introducing an aerosol into the clothes drum o...
05/23/2006
7033167Device for purifying and/or decontaminating polyester
The invention relates to an apparatus for cleaning and/or decontaminating polyester, in particular polyethylene terephthalate (PET). The apparatus has an at least partially heated rotary tubular furnace to be fed with a mixture of polyester and an alkaline material ...
04/25/2006
7024795Drying apparatus
A drying apparatus having a purpose of shortening a drying time of laundry, comprising an accommodating chamber in which the laundry is accommodated, and executing a washing operation of the laundry and a drying operation after end of the washing operation in the ac...
04/11/2006
7017280Clothes dryer apparatus and method
A method of controlling the operation of a dryer including both a variable heat source and a variable speed blower includes varying only one of the variable heat source and the variable speed blower, while maintaining the other one in a fixed state. ...
03/28/2006
7013578System and method for controlling a dryer appliance
System and method for controlling an appliance for drying clothing articles is provided. The appliance has a container for receiving the clothing articles. A motor is provided for rotating the container about an axis. A heater is provided for supplying heated air to...
03/21/2006
7003897Coffee roaster drum rocker arm roller bearing system
A coffee roaster is an oven with a roasting drum. The roasting drum turns on a horizontal axis within the oven to tumble coffee beans while roasting and to even out differences in heating. The roasting drum is fitted with a bearing journal at each end and just fits ...
02/28/2006
6910801Agitating and mixing device
The object of the present invention is to provide a device with a simple structure which can uniformly mix bulk materials. A device comprises a rotary shaft 6 to be rotated by a driving means 3, a container outer shell 7 fixed to the rota...
06/28/2005
6745495Clothes dryer apparatus and method
A dryer tumble drying articles includes a drum including a cavity configured to hold articles to be dried, a first motor drivingly coupled to the drum to rotate the drum, a heat source in flow communication with the cavity, and a variable speed motor drivingly coupl...
06/08/2004
6718654Device and method in connection with the manufacturing of paper or cardboard
Device for a drying section useful in the manufacture of paper or paperboard as a fibrous web. The drying section includes a drying drum rotatable about a first axis of rotation and arranged such that the fibrous web runs in contact with a surface of the drying drum...
04/13/2004
6609310Method and apparatus for safety control of the drying cycle in hydrocarbon-solvent dry-cleaning machines
The method for safety control of the drying cycle in hydrocarbon-solvent dry-cleaning machines, comprising, in the first step of the drying cycle, when the temperature of the mixture of hot air and solvent at the outlet of the drying drum reaches values w...
08/26/2003
6581301Paper drying machine
A paper drying apparatus to dry a paper web carried on a fabric sheet includes a first rotatable drum to carry a paper web. A second rotatable drum is positioned downstream of the first drum with respect to the paper web carried by the first and second ro...
06/24/2003
6460269Wafer dryer comprising revolving spray nozzle and method for drying wafers using the same
A wafer dryer for drying a wafer includes a chamber and a support adapted to support the wafer in the chamber. A spray nozzle is disposed in the chamber. A source gas supply tank is in fluid communication with the spray nozzle. At least one heater is oper...
10/08/2002
6446357Fuzzy logic control for an electric clothes dryer
A method and apparatus for controlling the drying cycle of a dryer by utilizing fuzzy logic control. Control is accomplished by first monitoring the moisture level of a clothes load in the dryer. From the monitored moisture information, variables such as ...
09/10/2002
6409929Steam drying of rotary filter cakes without crack formation
Apparatus and a method are presented for the mechanical removal of moisture from a filter cake. Differential pressure causes the flow of a treatment fluid through the filter cake. The treatment fluid displaces liquid originally present in the filter cake ...
06/25/2002
6401362Clothes drying apparatus and method with improved tumbling action
Tumble drying apparatus and method in which fabric articles are placed in a horizontally disposed cylindrical basket with a stringer which extends across the basket along an arcuate path that passes near the axis, and the basket is rotated about its axis ...
06/11/2002
6393725Compact microwave clothes dryer and method
Compact microwave clothes dryer and method in which the dryer is small enough to be placed on a countertop, and air is circulated past microwave generator and power supply components to the drying chamber to transfer heat from the components to clothes in...
05/28/2002
6199300Method for energy efficient control of a dryer of clothes
A method and apparatus for controlling the heat input of a dryer where the initial heat input to a clothes load is set at full power until a first predetermined temperature or time condition occurs. The heat input of the dryer is then reduced to in order ...
03/13/2001
6158148Method for detecting impermissible operating states in a hot-air clothes dryer, and a dryer with such a detection method
The method detects impermissible operating states in a hot-air clothes dryer with a laundry drum. The temperature in the incoming air flow is detected periodically downstream of an incoming air heater and upstream of the drum. A differential value (differ...
12/12/2000
6154978Apparatus and method for confirming initial conditions of clothes drying equipment prior to start of drying cycle
A method and apparatus for confirming the initial conditions of a clothes dryer prior to the start of the drying cycle is provided. The clothes dryer comprises a drying chamber with air inlet and outlet ports. A blower powered by a first motor is arranged...
12/05/2000
6125550Food drying method
The field of the invention is food drying apparatus and methods. In particular, the invention discloses a rotary dryer which dries food granules, such as rice, by rotation within a perforated cylindrical barrel, to prepare the rice for packaging. The drye...
10/03/2000
6122840Systems and methods for determining drying time for a clothes dryer
A clothes dryer includes a control system for determining the drying time for a partial load in a clothes dryer. The system includes a humidity sensor, a signal processor, and a fuzzy logic control system. The humidity sensor generates a humidity signal r...
09/26/2000
6090423Method for roasting legumes
A method for roasting legumes such as soybeans to enhance their nutritional properties. Raw legumes are introduced to a roaster having an oven section and a steeping section downstream of the oven section. The raw legumes are heated to a selected roasting...
07/18/2000
6067729Elastic shoe bar and method for drying shoes
A shoe bar is useful for drying shoes in a conventional clothes dryer. The shoe bar has a relaxed length that is equal to or slightly greater than the inner diameter of the drum of the clothes dryer. The bar ends are inserted into the shoes. The bar is ma...
05/30/2000
6021581Method of drying a paper web in a paper-making machine at speeds greater than 6000 feet per minute
A method of drying a fiber web in a paper-making machine includes the step of providing a heated dryer roll which carries the fiber web. The dryer roll has a shell consisting essentially of compacted graphite cast iron. The dryer roll is rotated such that...
02/08/2000
6004468Serial drum apparatus and method for processing wet material
An apparatus for processing a solid-liquid material comprises a housing formed with a series of interconnected chambers defined by chamber walls with at least two drums mounted in series within the chambers. Each chamber receives one of the at least two d...
12/21/1999
5915815Method and apparatus for drying organic material
An apparatus method of separating organic mass into its component parts in environmentally contained hygienic conditions at high thermal efficiency. One example is extraction of aromatic oils from citrus fruit. Organic materials derive from plants which c...
06/29/1999
5884418Process and system for impregnating garments with insect repellent
A process and system for impregnating garments with insect repellent, the ocess including the steps of placing the garments in a first machine and tumbling the garments therein, introducing into the first machine a mixture of liquid insect repellent and w...
03/23/1999
5740617Rotary drum dryer
A rotary drum dryer dries a slurry into discrete solid particles. The dryer contains three long horizontal cylinders: an outer cylinder, a perforated cylinder inside the outer cylinder, and an inner cylinder inside the perforated cylinder. As the cylinder...
04/21/1998
5669157Apparatus and method for separating pieces of laundry
A apparatus for separating pieces of laundry, comprising a drum which is rotatable about a substantially horizontal axis and with an open front and an open rear, which drum is accommodated in a housing, in which the rear of the drum is almost closed off b...
09/23/1997
5617649Device and method for drying fluorescent material
A device and method for drying a fluorescent material are provided. The device includes a container having a predetermined space for containing a fluorescent material, a first driver for rotating the container, a heater for heating the container, a vacuum...
04/08/1997
5555645Reversing clothes dryer and method therefor
A domestic clothes dryer is operated in both a forward and a reverse direction. The dryer blower has a reduced air flow rate in the reverse direction. The reduced air flow in the reverse direction and the reverse tumbling increases the heat transferred to...
09/17/1996
5537761Washing machine and method for controlling the drying process thereof
A method for controlling the drying process of a vortex-type washing machine capable of accommodating a laundry article for drying therein comprises the steps of (A) heating an ambient air by a heater, (B) driving a motor in a forward direction, (C) drivi...
07/23/1996
5440825Method and apparatus for increasing dehydrator efficiency
A horizontal dryer for solid material is the subject of the present invention. The dryer consists of a horizontal drum rotated about its horizontal axis, containing flighting around its periphery, and coupled with a heat source, all of which is well known...
08/15/1995
5431560Device for supplying gas to a cylindrical rotary kiln
A device for supplying gas to a rotary cylinder by means of a slip ring channel is described, a relative movement between rotating part and stationary part of the slip ring being permitted....
07/11/1995
5388348Drying machine and method with a predrying object-separating function
A drying machine has a predrying operation. In the predrying operation before heated air is supplied to the drying chamber to dry clothes in the drying chamber, the drum repeats the rotation of the clockwise and counterclockwise alternately in a short cyc...
02/14/1995
5322367Process control for recycled asphalt pavement drum plant
A process for the production of hot mix asphalt (HMA) by the treatment of virgin material alone or adding reclaimed or recycled asphalt pavement (RAP) (up to 100% of the HMA). The HMA is first heated in either a parallel or a counter flow rotating drum wh...
06/21/1994
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