| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 034468000 | Condensation of gas or vapor | 33 |
| 20100037480 | METHOD FOR OPERATING A CONDENSER TUMBLE-DRYER COMPRISING A THERMAL PUMP AND A CONDENSER TUMBLE DRYER THAT IS SUITABLE FOR SAID METHOD - A method for operating a condenser tumble dryer is provided and includes a drying chamber for containing objects to be dried, a process air circuit having a heating element, a fan for conducting heated process air over the objects, a heat pump circuit having an evaporator, a compressor, and a condenser, and sensors for determining the humidity in the objects to be dried. According to the method, the humidity is determined and the process air is heated by the condenser until the humidity ranges between about 0% and about 12%. In the event that the humidity drops below the predetermined value, the heating element is activated and operated for at least five minutes so that the air temperature in the drying chamber reaches at least 70° C. | 02-18-2010 |
| 20100083527 | CONDENSATION DRYER COMPRISING A HEAT PUMP AND METHOD FOR OPERATING THE SAME - A condensation dryer is provided that includes a drying chamber for articles to be dried and a process air circuit in which a heater for heating the process air is located. The heated process air can be guided across the articles to be dried along a circulation route that includes a blower, an air/air heat exchanger, and a heat pump circuit having an evaporator, a compressor and a condenser. An additional heat exchanger is arranged in the heat pump circuit between the condenser and the evaporator, the additional heat exchanger being functionally coupled to the air/air heat exchanger. | 04-08-2010 |
| 20100154246 | Drying Apparatus with A Solvent-Recovery Function, and A Method for Drying Solvent Recovery - A drying apparatus with a vaporized-solvent-recovery function including: a concentration-at-the-end-of-drying data memorizing device to memorize a concentration of a vaporized solvent at the end of a drying operation of an object to be dried in a processing path; a vaporized-solvent-concentration measuring device to measure a concentration of the vaporized solvent; an end-of-drying judging device to judge an end of drying of the object by comparing the concentration measured by the vaporized-solvent-concentration measuring device with the concentration memorized by the concentration-at-the-end-of-drying data memorizing device; and a drying-operation controlling device to control the drying operation of the object in a processing bath and to end the drying operation in response to a judgement by the end-of-drying judging device that the concentration measured by the vaporized-solvent-concentration measuring device is equal to the concentration memorized in the concentration-at-the-end-of-drying data memorizing device. | 06-24-2010 |
| 20100199515 | LAUNDRY DRYER HAVING A DISTRIBUTOR FOR CONDENSATE, AND A METHOD OF OPERATING THE SAME - A laundry dryer includes a drying chamber, a process air channel having a supply air opening for drawing in process air, an exhaust air opening for expelling process air, an exhaust air channel through which process air is conducted to the exhaust air opening, and a nebulizer that distributes condensate in process air. The dryer further includes a fan in the process air channel for driving process air through the drying chamber, and a heat exchanger that extracts heat from process air flowing out from the drying chamber, supplies heat to process air flowing into the drying chamber, and separates the condensate from the process air for the nebulizer. | 08-12-2010 |
| 20100313442 | METHOD OF USING SYNGAS COOLING TO HEAT DRYING GAS FOR A DRY FEED SYSTEM - A method for improving the overall thermal efficiency of a coal power generation plant by transferring heat from a raw synthesis gas stream to solid fuel used as the primary feed to the gasifier, comprising the steps of initially cooling the syngas exhaust by transferring heat to a makeup conveyance gas feed to the dry feed preparation system, feeding a solid fuel component and a portion of the makeup gas stream into a grinding mechanism for the solid feedstock, forming a two-phase solids/gas stream comprising ground feedstock particulates and makeup gas, heating and drying the ground solid feedstock particulates to remove water, separating and removing water vapor formed in the heating and drying step, and feeding the heated and dried solids/gas stream to the gasifier. | 12-16-2010 |
| 20110005096 | DRYER WITH HEAT RECOVERY AND METHOD OF OPERATION THEREOF - A dryer is provided having a drying chamber for items to be dried and a process air duct in which are located a heater for heating the process air, a blower for driving the process air from the heater through the drying chamber, and a heat exchanger arrangement. Via the heat exchanger arrangement, heat can be withdrawn from the process air flowing away from the drying chamber, and the process air flowing toward the heater can be fed to the heat exchanger. The process air duct is divided into a main duct and a secondary duct, the secondary duct having an evaporator in which condensate that was separated from the process air in the heat exchanger arrangement can be evaporated into the process air flowing therethrough and is connected to the exhaust opening. | 01-13-2011 |
| 20110047813 | DOMESTIC APPLIANCE FOR DRYING A HUMID PRODUCT, COMPRISING A COOLING ASSEMBLY AND A HEATING ASSEMBLY - A domestic appliance for drying a damp product by means of a process air stream that is conducted in a process air channel. The appliance has a treatment chamber that includes the damp product. A cooling assembly cools and condenses the process air stream after it flows through the treatment chamber. A first heat exchanger supplies heat from the process air stream to a working fluid. A heating assembly heats the process air stream before it flows through the treatment chamber and a second heat exchanger supplies heat from the working fluid to the process air stream. The working fluid is conducted in a heat pump that has at least two mechanically coupled displacement pistons. The heat pump operates according to a regenerative gas cycle process that includes a Vuilleumier gas cycle process. | 03-03-2011 |
| 20110173838 | CONDENSATION DRYER WITH A HEAT PUMP AND RECOGNITION OF AN IMPERMISSIBLE OPERATING STATE AND METHOD FOR THE OPERATION THEREOF - A condensation dryer is provided which has a heat pump in which a coolant circulates; a compressor; a temperature sensor to measure a temperature of the coolant; and a controller. The controller has a first comparator to compare the temperature of the coolant with an upper limiting temperature of the coolant; a switch to switch the compressor off if the temperature of the coolant is greater than or equal to the upper limiting temperature and to switch the compressor on after each compressor disconnection. A counter ascertains the number of occurrences at which the compressor is switched off. The counter is incremented by 1 each time the compressor is switched off. A second comparator compares the number of occurrences with a prespecified limiting number and evaluates the difference between the number of occurrences and the prespecified limiting number with respect to the presence of an impermissible operating state. | 07-21-2011 |
| 20110271547 | CLOSED CYCLE DRYER AND PROCESS FOR DRYING CLOTHES USING SUCH DRYER - A closed cycle dryer comprises a drum, an air blowing unit wherein the air is conveyed to the drum, a heating unit used to heat the air that is blown into the drum, and a condensing unit upstream the heating unit for removing moisture. The dryer further comprises a by-pass between a first portion of the air circuit downstream the condensing unit and a second portion downstream the drum in order to increase the energy efficiency of the drying process. | 11-10-2011 |
| 20110289796 | DRYER AND METHOD OF DETECTING VALUE OF DRYNESS - Disclosed herein are a dryer and a drying method of the same. The dryer includes a condensing unit to change water vapor evaporated from a drying object into condensate water by cooling, a condensate water storage container in which the condensate water is stored, a water level sensing device to detect a level of the stored condensate water, and a microcomputer to calculate a change rate of condensation or of the condensate water level based on the detected water level and to determine a value of dryness of the drying object. The dryer effectively performs a drying operation based on the accurately detected value of dryness of the drying object. | 12-01-2011 |
| 20120073159 | METHOD FOR DRYING AND TORREFACTION - A method for torrefaction of water containing cellulosic materials is performed in an inert atmosphere. The cellulosic material is cascaded through the apparatus between a plurality of rotatable trays vertically stacked within multiple processing zones. Steam being generated from heating of the cellulosic material is recycled back to the apparatus to provide an inert atmosphere. The steam may be superheated in a heat exchanger. Exhaust from the torrefaction zone of the apparatus has some moisture and other volatiles removed prior to being reheated in a burner. The heated exhaust is used in the heat exchanger to superheat the recycled steam. | 03-29-2012 |
| 20130291395 | LAUNDRY TREATING MACHINE AND CONTROL METHOD THEREOF - A laundry treating machine and a control method thereof are provided. The laundry treating machine may include a drum rotatably provided in a tub, an air supply device to supply air to the tub, a cooling water supply device to supply cooling water to an inner surface of the tub such that moisture contained in air is condensed at the inner surface of the tub, and a controller to control the cooling water supply device to selectively supply cooling water based on user selection. When a drying course is selected, the controller determines a particular drying course to be performed and, based on the determined drying course, either cooling water necessary to generate condensed water is supplied, or the supply of cooling water is stopped, and the drying course is performed. | 11-07-2013 |
| 20140033561 | HOME LAUNDRY DRYER - A laundry dryer includes a heat-pump assembly configured to cool airflow coming from a laundry container and then to heat airflow returning to the laundry container. The heat-pump assembly has a first heat exchanger configured to transfer heat from the airflow arriving from the laundry container to a low-pressure refrigerant, and a second heat exchanger configured to transfer heat from a high-pressure refrigerant to the airflow directed back into the laundry container. The heat pump assembly has a refrigerant cooler or refrigerant flow-rate adjuster which are configured to adjust, respectively, the temperature or the pressure of the low-pressure refrigerant, and a detector configured to measure one physical quantity of the laundry dryer. The heat pump assembly also includes an auxiliary heat exchanger which transfers heat from the high-pressure refrigerant to the low-pressure refrigerant. | 02-06-2014 |
| 20140109435 | LAUNDRY TREATING APPARATUS HAVING EXPANSION VALVE WHICH IS VARIABLE ACCORDING TO THE DRIVING MODE - A dryer is provided. The dryer may include an expansion valve that may be varied in response to changes in operation mode. The dryer may be a condensation type heat pump dryer, and, in an operation method thereof, the expansion valve may be varied according to an on/off of a solenoid valve corresponding to a selected operation mode. In a first operation mode the heater may be turned on so that heating is supplied by both the heat pump and the heater to provide for rapid drying. In a second operation mode the heater may be turned off to provide for more economical operation. By employing multiple operation modes, a required refrigerant flow rate may be controlled. | 04-24-2014 |
| 20140115918 | ARRANGEMENT FOR REMOVING WATER FROM AN EQUIPMENT SPACE - Exemplary embodiments are directed to an equipment space that is a closed space provided with electrical equipment and an air dryer condensing the moisture of the air in the equipment space into water. A system for removing water from the equipment space includes a porous element having a capillary structure and being located in an outlet opening of the equipment space. The porous element is connected such that water condensed by the air dryer is directed to a first inner surface of the porous element. The capillary structure of the porous element is configured to propogate water from the inner surface of the porous element to an outer surface of the porous element. The outer surface of the porous element is configured to release water to ambient air outside the equipment space. | 05-01-2014 |
| 20140144042 | FURNACE INCLUDING MULTIPLE TRAYS AND PHASE-CHANGE HEAT TRANSFER - A method and apparatus for heating materials is described. The apparatus is a furnace that includes multiple gravity-feed trays and a heat transfer fluid that heats material by the heat evolved during phase change. The apparatus also includes moving paddles that urge the material through each tray. The method provides for the torrefying of the material using a phase-change heat-transfer fluid by providing the material sequentially to at least two trays, where the at least two trays are substantially horizontal and disposed at different vertical heights; condensing the vapor phase at a temperature; and providing heat from the condensing the vapor phase to the material, where the temperature is sufficient to torrefy the material. | 05-29-2014 |
| 20140196305 | Production of Thermal Insulation Products - Methods of making thermal insulation products are provided, one method including the steps of sealing a support material (e.g., a nanoporous core such as fumed silica, an aerogel powder, etc.) and at least one vapor (e.g., steam) within an interior portion of a substantially gas-impermeable envelope (e.g., a metallic and/or polymeric film), and then condensing at least a portion of the vapor after the sealing step to reduce the pressure within the gas-impermeable envelope from a first pressure before the condensing to a lower second pressure after the condensing. The disclosed methods limit or eliminate the need for mechanism pumping mechanisms to drawing the vacuum within the products, drying of the core before the sealing, and the like. | 07-17-2014 |
| 20140310976 | DRYER OR WASHER DRYER AND METHOD FOR THIS OPERATION - Example dryers and washer-dryers having a closed process air circuit having a drum, a condenser downstream from the drum for dehumidifying warm moist air, and a thermoelectric device having a cold side arranged in the process air circuit downstream from the drum are disclosed. Example thermoelectric devices have a warm side cooled by a fluid which is circulated in a liquid/air heat exchanger arranged in the process air circuit downstream from the condenser. Using the disclosed architectures, appliance design can be simplified without decreasing overall system performance. | 10-23-2014 |
| 20140345155 | Appliance for Drying Laundry - An appliance for drying laundry ( | 11-27-2014 |
| 20140360044 | THERMAL INSULATION PRODUCTS AND PRODUCTION OF THERMAL INSULATION PRODUCTS - Methods of making thermal insulation products that may be usable to provide insulation in high temperature applications. One method includes sealing a support material (e.g., a nanoporous core such as fumed silica, an aerogel powder, etc.) and at least one vapor within an interior portion of a substantially gas-impermeable envelope (e.g., a metallic and/or polymeric film), and then condensing at least a portion of the vapor after the sealing step to reduce the pressure within the gas-impermeable envelope from a first pressure before the condensing to a lower second pressure after the condensing. The disclosed methods limit or eliminate the need for pumping mechanisms to draw the vacuum within the products, drying of the core before the sealing, and the like. | 12-11-2014 |
| 20150040421 | Appliance for Drying Laundry - Appliance for drying laundry ( | 02-12-2015 |
| 20150121717 | METHOD AND MACHINE FOR DRYING MATERIALS - A method and a drying machine for drying materials, for example foundry sands, laundry, chemical pulps and/or bulk materials. The materials to be dried are loaded into a drying container, in which liquid is vaporized. The steam produced is passed into a condensation chamber and condensed there in thermal contact with the material from the drying container. In this way, the heat of condensation can be recovered for a renewed vaporizing process. The drying machine may be used in particular in a regeneration plant for inorganically bound foundry sands. | 05-07-2015 |
| 20160115643 | Laundry Dryer and Method of Operating a Laundry Dryer - The invention relates to a laundry dryer ( | 04-28-2016 |
| 034469000 | Collecting of condensed gas or vapor | 7 |
| 20130008049 | DEVICE AND METHOD FOR HEAT PUMP BASED CLOTHES DRYER - The present disclosure relates to a heat pump based dryer or a combination washer and dryer device comprising a housing receiving a drum for containing associated articles to be dried by air that flows along a pathway between an outlet and an inlet of the housing. A fluid is provided in the pathway to at least partially remove moisture from the air. A heat pump includes a heat source located at least partially within the pathway and a heat sink being operatively adapted to the heat source to circulate a refrigerant therein. An enclosure at least partially containing the heat sink is arranged to accept the fluid from the pathway to exchange heat with the heat sink and return the fluid to the pathway. Fluid may be provided to the pathway by a spray nozzle adjacent the outlet or by an evaporative media downstream of a lint separator. | 01-10-2013 |
| 20130031798 | DRYING APPARATUS AND WASHING MACHINE HAVING THE SAME AND CONTROL METHOD THEREOF - A drying apparatus having a structure capable of improving condensation efficiency, and a washing machine having the same. The washing machine including a cabinet, a tub installed inside the cabinet, a drum rotatably installed inside the tub, a condenser duct configured to condense moisture in air introduced from the inside the drum, a drying duct configured to heat the air introduced from the condenser duct and supply the heated air to the inside the drum, and a condensation water storage unit formed at a circumference of the condenser duct to store condensation water that is used to condense the moisture in the air moving inside the condenser duct. | 02-07-2013 |
| 20130133221 | PROCESS FOR CONTROLLING DRYER CAPABLE OF DEHUMIDIFYING AIR ENTERING THE OIL EXPANSION VESSELS USED IN ELECTRICAL APPLIANCES - Process for controlling a dryer, suitable of dehumidifying air entering oil expansion vessels used in electrical appliances, in which a protective casing of the dryer surrounds at least two dehumidifying tanks or vessels containing an absorption device suitable to absorb air humidity coming from the outside and which can be thermally regenerated by resistors. The resistors are connected with a load cell, suitable to determine the state of saturation of the absorption device, so that detecting by the load cell of a measured mass value greater than a predefined threshold value (MFS) operates the resistors in order to regenerate the absorption device to the original state. | 05-30-2013 |
| 20140298674 | HEAT EXCHANGER FOR CONDENSATION IN CLOTHES DRYING AND CLOTHES DRYING SYSTEM AND CLOTHES DRYER AND DRYING METHOD THEREOF - An external air-cooled heat exchanger includes two air channels going towards different directions and not connecting with each other, a condensing wind channel and an external air channel. Each air channel has a plurality of air chambers that are alternately arranged so that between each two neighboring air chambers of the same air channel is an air chamber of the other air channel change to a period; A clothes dryer includes an air outlet connected to the heat exchanger. The heat exchanger is connected to a water collection box, the water collection box is connected to an air inlet, a filter is arranged between the air outlet and the heat exchanger, and a drying fan and the heating unit are arranged between the water collection box and the air inlet. | 10-09-2014 |
| 20150040422 | SYSTEM AND METHOD FOR RECOVERING TURPENTINE DURING WOOD MATERIAL PROCESSING - A system, method and configuration for recovering turpentine during the manufacturing of wood chips, wood pellets or other substances that may include turpentine. In general, a turpentine recovery system is used to capture turpentine from exhaust of a dryer as wood chips are being dried. Advantageously, application of the various techniques disclosed herein can result in the recovery of turpentine that can then be sold to generate revenue and, may contribute to a reduction in the capital and operation costs for emission controls for the dryer exhaust. | 02-12-2015 |
| 20150316319 | Drying of Organic Materials - This invention relates to a method and apparatus for drying organic material using the energy contained in the organic material to be dried to drive the drying process. The organic material could be sewage sludge, food scraps, manure, wood, bagasse etc. The latent heat of evaporation is recovered through the use of a heat pump mechanism. This allows for the retention of a majority of the heat within the system, allowing optimal drying conditions to be maintained throughout the drying process. | 11-05-2015 |
| 034470000 | With vaporization of condensed gas or vapor | 1 |
| 20100115789 | METHOD FOR DRYING A WET MATERIAL - A method for drying a wet material which comprises a liquid Fd to be distilled, uses a gas-tight container system that is resistant to excess and/or negative pressure. The container system comprises a drying container containing the wet material whose temperature can be adjusted, a condenser for condensing the liquid Fd, which has turned to vapor and whose temperature can be adjusted, to give the condensation product, and a vapor chamber connecting the drying container and the condenser. The pressure in the vapor chamber is monitored and controlled in such a manner that drying and distillation are always carried out in a range close to the saturation vapor pressure of the liquid Fd to be distilled. The pressure and the temperature in the vapor chamber are continuously determined. If the pressure goes above the upper limit of the range, the pressure is reduced in such a manner that especially foreign gas is removed. | 05-13-2010 |
| 034471000 | Regulating temperature of gas or vapor | 3 |
| 20100043251 | HEAT TREATMENT PROCESS FOR A MATERIAL AND HEAT TREATMENT UNIT IMPLEMENTING SUCH PROCESS - The invention relates to a heat treatment process for a material in an oven ( | 02-25-2010 |
| 20100126037 | Two-stage static dryer for converting organic waste to solid fuel - An energy-efficient method and apparatus for drying pelletized, moist organic material is described. The method consists of a rapid, high temperature static drying process in a shallow bed, followed by traditional vertical static drying in a deep bed. Hot exhaust gas from the shallow-bed, hot-temperature static dryer is then recirculated to provide thermal energy to the deep-bed, warn-temperature static dryer. This invention can be used to convert wet, organic waste materials such as animal and poultry waste, municipal wastewater sludge, urban post-consumer food waste, or manufactured food byproducts and residuals into solid fuel. | 05-27-2010 |
| 20170233941 | APPARATUS FOR TREATING LAUNDRY AND CONTROL METHOD THEREOF | 08-17-2017 |
