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Class 34/496 - Multiple temperature levels of gas or vapor


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein the treating gas or vapor is maintained
No. of patents: 23
Last issue date: 12/25/2007


NumberTitleIssue Date
7310893Household appliance with user selected default settings
A household appliance functions according to multiple operating cycles, wherein each operating cycle comprises at least one step characterized by a parameter having a factory-set default value. A user can access a controller of the household appliance through a user...
12/25/2007
7176415Heating method for a band-shaped body and heating apparatus for a band-shaped body
A heating method and apparatus for a band-shaped body transported in a constant conveying direction in a heating zone so as to heat the band-shaped body is provided. The method includes detecting whether a portion of the band-shaped body at which width and/or thickn...
02/13/2007
7171763Dryer control method and dryer using the same
A dryer and a dryer control method using a sensing unit and a timer to vary drying operations depending on the state of drying laundry are disclosed. The method for controlling an automatic dryer having a drying part including a heater, a fan, and a drum includes th...
02/06/2007
7173538Apparatus, system and method for monitoring a drying procedure
An apparatus, system, and method provide drying procedure information through a user interface. A monitoring device transmits drying procedure data measured by sensors within a structure undergoing the drying procedure to a server. In response to requests received t...
02/06/2007
7162811Method for drying nails
A method for completely drying polished nails without any smudging or nicking. The method utilizes first warm air and then very cold air followed by a brief return to warm air. The warm air of the inital step uses air at a temperature of approximately eighty-five de...
01/16/2007
7114209Method for cleaning a soiled article
A method for measuring soil in a wash liquor or other soil-containing liquid medium, the method comprising: a) a soil sensing step wherein the soil-containing liquid medium is contacted with a plurality of fuzzy-correlated soil-sen...
10/03/2006
7020982Method for controlling clothes dryer
A method for controlling a clothes dryer is disclosed to precisely dry clothes on the basis of a load amount according to moisture contained in clothes in the clothes dry and a temperature change according to proceeding drying of clothes. The method includes: detect...
04/04/2006
7018201Dual-zone dehydration tunnel
A dehydration tunnel for fruits, vegetables, and other products reduces the vulnerability of the products to damage from carmelization and case hardening by dividing a row of product vessels into two segments, passing heated air simultaneously over both segments but...
03/28/2006
6946571Drying of adipic acid
Process for drying moist, solid adipic acid using at least two drying stages in which moist solid adipic acid is progressively dried by contacting it in at least two successive stages with a nonreactive gas, the temperature of the first stage being lower than the te...
09/20/2005
6941674Method and apparatus for detecting residual drying time of clothes dryer
In a method and an apparatus for detecting a residual drying time of a clothes dryer, by detecting a quantity of moisture contained in clothes in a clothes dryer and displaying a residual clothes drying time on the basis of the detected moisture quantity, a residual...
09/13/2005
6877249Method of drying a lactulose solution
A method of drying a lactulose solution comprises introducing the solution into a vacuum chamber at elevated temperature and at reduced pressure so that the solution forms a foam, drying the foam under reduced pressure, and milling or grinding or breaking the dried ...
04/12/2005
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
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
5893218Seed dryer with automatic control of temperature air flow direction and rate
An automatically controlled seed dryer of the present invention is adapted to efficiently and precisely dry seed by automatically controlling the temperatures directions and air flow rate; of air flow through the seed within the bin. The invention include...
04/13/1999
5659975Board drying process and drier
In order to dry boards, the boards are guided on racks through a drier and brought into contact with drying air in two stages. In a stage A with a higher drying power, the drying air is supplied at a higher temperature and with an at least average humidit...
08/26/1997
5649372Drying cycle controller for controlling drying as a function of humidity and temperature
A drying cycle controller for a garment dryer. The drying cycle is controlled to have a decreasing temperature and humidity profile which avoids the removal of moisture at a rate which will cause shrinkage and wrinkling of the garment. The drying cycle te...
07/22/1997
5394622Method and apparatus for a mechanical dryer for drying thick polymer layers on a substrate
A dryer with zone temperature controls for drying thick polymer-solvent layers on a substrate. The dryer is formed with several heating elements located in an air duct. The cool air is heated a specific amount as it passes each heating element. The heated...
03/07/1995
5257464System and method of curing concrete products in a kiln
A system for curing concrete products resident in a kiln, in particularly for producing high strength building blocks from relatively dry green concrete, controls temperature and humidity in the kiln as a function of time in the curing cycle from a water ...
11/02/1993
4472887System and method for dehydrating produce
A large scale, industrial system and method for dehydrating fruits, nuts or other produce. The system includes two long air tunnels which are placed end-to-end. Each air tunnel has a conveyor which is used to transport the produce through the air tunnel. ...
09/25/1984
4351119Apparatus and method for drying compact, vitrifiable mixtures
In apparatus and method for treating granular product within a cylindrical chamber as the product, by the force of gravity, falls through a plurality of regions maintained at varying temperature and pressure. Structure formed by at least a pair of collect...
09/28/1982
4170073Wide dynamic range multi-zone drying method and apparatus for controlling product moisture
A method and apparatus is described for drying a product to a controlled moisture content. The apparatus comprising a first drying zone for receiving the product, a first regulating means for regulating the temperature within said first zone, a second dry...
10/09/1979
4114285Method and apparatus for drying investment casting molds
The method and apparatus of the present invention substantially reduce the incidence of cracking, flaking, bulging and other mold defects which originate during the drying step of the investment mold formation process. Drying is conducted under conditions...
09/19/1978
3939573Process for drying wood
A process for kiln drying timber in which heated air is passed over the timber, subsequently cooled to dehumidify it, and then reheated and recirculated, wherein times are substantially shortened by separating the process into two stages, a first stage wh...
02/24/1976
 
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