Abstract: An illustrative aqueous ozone sanitizing system for body part, tissue, and instrument sanitizing, including hand rinsing and sanitizing includes a sanitizing chamber, spray devices configured to simultaneously irrigate the entire left and right hand of a user, at least two aqueous ozone generators each fluidly coupled to a subset of the spray devices, and a housing for the sanitizing chamber having an opening for guiding the user's hand orientation and position into the sanitizing chamber.

Abstract: A heater arrangement for a multi-compartment appliance comprises a first heater, a second heater, and a relay. The first heater is disposed within a first airflow path for a first dryer compartment. The second heater is disposed within a second airflow path for a second dryer compartment. The relay interconnects, via an electrical harness, the first and second heaters. The relay, responsive to a demand for heat to the first dryer compartment and the first heater having a temperature being less than a target temperature, diverts power to the first heater.

Abstract: A heat pump drying or washing-drying machine is provided. The heat pump drying or washing-drying machine includes a heat pump module, and the heat pump module includes a soft-flock filtering mesh assembly having a first support frame and a second support frame which are used for mounting the soft-flock filtering mesh, and the second support frame is disposed to the first support frame, so that the soft-flock filtering mesh assembly is capable of being mounted and dismounted as a whole.

Abstract: An improved desolventizer-toaster (DT) unit is used for removing traces of a hydrocarbon solvent from a mass of vegetable particles of oil. A conventional DT unit has within a housing, a set of solvent removal trays and a main ejector transporting solvent vapor and steam from below the tray set to between a pair of the trays in the set. The improved DT unit has a further scavenger tray between an inlet of the main ejector and the housing floor. A scavenger ejector transports solvent vapor from between the scavenger tray and the housing floor before it exits from the unit, to the space between the tray set and the scavenger tray.

Abstract: A hand dryer includes: a box body that includes a hand drying chamber whose upper portion and side portion are open; an airflow generating device provided in the box body and generates an airflow; a nozzle provided on an inner wall surface of the hand drying chamber and ejects an airflow generated in the airflow generating device to the hand drying chamber; a first sensor provided on an inner wall surface of the hand drying chamber; a second sensor provided on an inner wall surface of the hand drying chamber and is provided at a position below the first sensor and is more outward than the first sensor in a horizontal direction; and a control unit that detects presence or absence of a hand in accordance with a signal from the first sensor or the second sensor and controls an operation of the airflow generating device.

Abstract: A controlling method for a dryer is applied to a dryer, in which at least one of a heat pump system and a heater is selected as a heat source for heating air supplied in to a drum and a heat supply capacity of the heat pump system is more than that of the heater. The controlling method includes, when both the heat pump system and the heater are selected as the heat sources, turning the heat pump system on, turning the heater on after the heat pump system is normally turned on, turning the heater off to cool the drum and terminate drying after the drying is performed, and turning the heat pump system off after the heater is turned off.

Abstract: An apparatus for drying foodstuffs involves a pallet supporting a stack of containers containing the foodstuffs. The pallet has a perimeter on which the stack of containers is sealingly supportable. The top of the pallet has at least one aperture to permit air flow therethrough, and the top, bottom and sides of the pallet define a ventilation duct for receiving air through the top of the pallet. A low pressure plenum in fluid communication and sealingly engaged with the ventilation duct draws air down vertically through the foodstuffs through the top of the pallet and out of the ventilation duct into the plenum. A drying installation involves the apparatus in a climate controlled room. A method of processing foodstuffs involves controlling temperature, relative humidity or both temperature and relative humidity of air in the room and drawing the air in the room vertically down past the foodstuffs until the foodstuffs are processed.

Abstract: The present invention of a method for producing a porous membrane including a solidification step of forming a porous membrane, and a heating step of drying the porous membrane, wherein the heating step includes at least a water reduction step of the porous membrane, the water reduction step uses a heating medium, and the temperature of the heating medium (Tgh) satisfies a relation of tgh>Td, when Td represents the heat deformation temperature of a membrane material. The present invention of a drying device of a porous membrane including a water reduction unit, and a final drying unit, wherein the drying device includes a membrane-surface-temperature measurement means for measuring the surface temperature of the porous membrane and the final drying unit, and a control means for controlling the temperature and/or the flow speed of the heating medium of the water reduction unit.

Abstract: A controller is coupled to a plurality of moisture sensors positioned within the grain bin at various spaced-apart locations. The controller determines a grain moisture level adjacent each moisture sensor and compares the grain moisture level to a predetermined maximum moisture level. The controller is coupled to a grain spreader that is configured to selectively distribute incoming grain into the grain bin and operates the spreader to distribute incoming grain to create a shortened airflow path through the grain that encompasses the moisture sensors having determined grain moisture levels above the predetermined maximum moisture level. The controller is coupled to a fan that is coupled to the grain bin and configured to provide airflow through the grain in the grain bin. The controller operates the fan to provide greater airflow through the grain along the shortened airflow path than is provided along airflow paths outside the shortened airflow path.

Abstract: An apparatus for drying wood veneer includes an elongate drying chamber including a conveyor for conveying material to be dried from an input end to an output end; and a cooling section for cooling veneer leaving the output end of the drying chamber, the cooling section including a pressure controller for maintaining a pressure in the cooling section that is slightly higher than pressure in the drying chamber while maintaining a near-zero pressure differential between the drying chamber and the cooling section.

Abstract: A heat treatment of a precursor that reacts with temperature, and that comprises in particular the steps of: preheating or cooling a heat-transfer gas to a controlled temperature, and injecting the preheated or cooled gas over the precursor. Advantageously, besides the temperature of the heat-transfer gas, the following are also controlled: the flow rate of the gas at the injection over the precursor, and also a distance between the precursor and an outlet for injection of the gas over the precursor, in order to finely control the temperature of the precursor receiving the injected gas.

Abstract: A laundry treating appliance having a rotatable drum defining a laundry treating chamber, where the laundry in the laundry treating chamber may be imaged and a motion condition of the laundry determined based on the imaging of the laundry. The operation of the laundry treating appliance may be based on the determined motion condition.

Abstract: A hand dryer is equipped with a hand insertion area (10), having a width that is able to accommodate hands, a high-pressure air generator (2), which generates a high-pressure airflow, discharge nozzles (N1, N2), which are disposed in the upper surface of the hand insertion area (10) and blow the high-pressure airflow, an exhaust duct (4), which is connected between the exhaust side of the high-pressure air generator (2) and the discharge nozzles (N1, N2), an ejection port (23), which opens to the space surrounding the hand dryer, a switching damper (24), which opens a portion of the exhaust duct (4) and is connected to the ejection port (23), and an ion generator (22), which generates ions having sterilization action into the high-pressure airflow passing through the exhaust duct (4) on the upstream side of the switching damper (24).

Abstract: The present invention involves to the industrial automated producing method for dewatering the sludge into the dry sludge powder and the assembly thereof. The present method is to realize the industrial automated production in the industrial automated producing assembly, especially in the main equipment, dehydrator, for dewatering the sludge into the dry sludge powder, so as to dewater the sludge having the moisture content below 85% into the dry powder having the moisture content below 5%. The method and assembly of the present invention realizes recycling, reducing, stabilizing, and reusing the sludge, and can be widely applied for dewatering process of the domestic, industrial or riverway sludge or sediment.

Abstract: A drying method includes a step of heating an object to be dried provided in a drying chamber to a predetermined temperature, a step of maintaining the predetermined temperature, a step of increasing an air pressure inside the drying chamber to a predetermined air pressure that is higher than an atmospheric pressure, and a step of decreasing the air pressure inside the drying chamber to be lower than the predetermined air pressure.

Abstract: A sanitizing hand dryer comprises a dryer housing having an inlet air channel and an outlet air channel. A blower draws air into the dryer housing through the inlet air channel, and directs the air out of the dryer housing through the outlet air channel A sanitizing system sanitizes the air within the inlet air channel and the air within the outlet air channel, wherein the sanitizing system within the inlet air channel includes at least one of a first air filter, a first ozone generator, a first sanitizing light source, a first photocatalytic oxidation system, a first ion generator, and a first electrostatic precipitator. The sanitizing system within the outlet air channel includes at least one of a second air filter, a second ozone generator, a second sanitizing light source, a second photocatalytic oxidation system, a second ion generator, and a second electrostatic precipitator.

Abstract: This invention discloses systems and methods for control of a gas turbine or a gas turbine generator, where the gas turbine is connected to a dryer vessel in which gas turbine exhaust gases are used to heat treat a material in the dryer vessel. The control system comprises one or more sensors for temperature, moisture and/or flow rate in the dryer vessel and/or of the material inside, entering and/or exiting the dryer vessel and a controller responsive to the sensor for controlling the fuel and/or air flow into the gas turbine. This control system and method enables providing the appropriate heat output from the gas turbine to meet the process heat required for the desired material treatment. Optionally, the gas turbine can be a liquid fuel turbine engine, or a reciprocating engine can be substituted for the turbine engine.

Abstract: Method for controlling a device that includes at least a compressor installation and/or a drying device and a heat recovery system. The heat recovery system absorbs heat from the compressor installation, and the device further includes a controller and device for determining one or more system parameters. The controller controls both the compressor installation and/or the drying device and the heat recovery system on the basis of the system parameters, so that the overall efficiency of the device is optimised.

Abstract: A dryer comprising an enclosure and a transporter for transporting one or more components therethrough between a first and a second opening. The dryer includes one or more heating elements and a first and a second duct within the enclosure. The first and said second duct each include a plurality of openings configured for discharging heated air towards the one or more components. An exhaust stack in fluid communication with an interior of the enclosure includes an exhaust blower for extracting fluid from within the enclosure, and one or more heating elements for oxidizing the vaporized compounds. The supply and the exhaust blowers cooperatively operate to induce infiltration of air through the first and the second opening. A method for operating the dryer is also provided.

Abstract: A drying system is provided. The drying system is configured to dry a person after the person exits a water feature. The drying system has a blower system configured to blow a gas proximate the person. The drying system has a controller system for operating the blower. The gas used in the drying system is configured to dry to the person after getting at least partially wet in the water feature.

Abstract: A wall-mounted, hot air body blow drying apparatus comprising a plurality of round nozzles located along a front surface of the apparatus is herein disclosed. Said nozzles are adjustable and capable of directing jets of warm air over a person's body. A flow of heated air is provided by a resistance heater, an electric blower, and a plurality of distributing ductwork. The apparatus may be hard-wired thereto a standard household power circuit or by using a standard power cord. The apparatus is variably controlled by a temperature and fan speed controlling system and a timer. To use, a person would stand in front of the dryer apparatus and slowly turn around, allowing the multiple heated forced air streams to dry their body in a similar fashion as a forced warm air hand dryer.

Abstract: A hand dryer is equipped with a hand insertion area (10), having a width that is able to accommodate hands, a high-pressure air generator (2), which generates a high-pressure airflow, discharge nozzles (N1, N2), which are disposed in the upper surface of the hand insertion area (10) and blow the high-pressure airflow, an exhaust duct (4), which is connected between the exhaust side of the high-pressure air generator (2) and the discharge nozzles (N1, N2), an ejection port (23), which opens to the space surrounding the hand dryer, a switching damper (24), which opens a portion of the exhaust duct (4) and is connected to the ejection port (23), and an ion generator (22), which generates ions having sterilization action into the high-pressure airflow passing through the exhaust duct (4) on the upstream side of the switching damper (24).

Abstract: Disclosed is a hybrid drying system where a cold-air drier and a desiccant drier are combined to increase drying efficiency (extent of dehumidification/power consumption), thereby shortening drying time and significantly reducing operation costs. The hybrid drying system includes a desiccant drier installed between an evaporator and a condenser and having an absorbing part configured to produce dry air from the cold-air dried air which has passed through the evaporator and a detaching part configured to supply recycled air heated by the condensation heat of the condenser as a recycling heat source ; a heat exchanger configured to heat-exchange exterior air with recycled exhaust air with the recycled air to retrieve exhaust heat; and a control unit configured to simultaneously control a cold-air drying operation and a desiccant drying operation according to the humidity and temperature of the drying chamber.

Abstract: A control system for controlling the utilization of heated waste streams for fluidizing particulate matter such as coal in a fluidizing bed dryer. The control system includes a number of graphic user interfaces that allow an operator to more easily monitor and/or control the various regulator devices. The control system controls coal handling or transportation, fluid handling or flow, and the discharge of discarded or separated coal from the dryer.

Abstract: The present invention concerns a method and apparatus for dehumidifying, drying or the like of different materials. The invention is developed primarily for dehumidification of sewage sludge (7), but it may be utilized for many different materials including foodstuffs as crispbread and pasta. The sludge (7) or other material is dehumidified or dried in a chamber (1) by means of thermal radiation. The thermal radiation is given by means of one or more elements (2) for thermal radiation. The thermal radiation is concentrated to one or more distinct wavelength ranges at which water has peaks for absorption of radiation energy. Air is circulated in the chamber (1), to take up moisture evaporated from the material.

Abstract: A clothes dryer includes a motor adapted to be mounted on a frame of the dryer for driving a dryer belt to rotate a drum of the dryer. The motor includes a rotor adapted to rotate the belt, at least one winding energizable to cause rotation of the rotor, and a first switch operable to control energization of the winding. A second switch has a sensor for sensing belt breakage. The second switch is mounted on the first switch and is electrically connected to the winding so that when the belt is no longer sensed, the second switch stops operation of the winding and thereby stops rotation of the rotor.

Abstract: The present invention relates to a dryer. The dryer in which a drying object is dried with air from a rotating drum, the air having moisture removed therefrom, heated at a heating unit, and supplied to the rotating drum again, wherein a gas burner is used as the heating unit, and the air is heated by heat exchange with exhaust gas heated by the gas burner.

Abstract: The present invention relates to a dryer, and a method for controlling the same. The method includes the steps of sensing an amount of laundry in the dryer, setting a primary drying time period T of the dryer with reference to the amount of laundry sensed thus, setting a secondary drying time period T in the middle of drying according to the primary drying time period set thus, and drying the laundry according to the secondary drying time period T set thus, whereby permitting setting of a more accurate drying time period because the drying time period of the dryer is set two times.

Abstract: The present teachings provide apparatus and methods for reducing wrinkles in a laundered fabric. In various embodiments, the apparatus includes a dryer and a vapor generator device mounted within the dryer that dispenses a wrinkle reduction composition into the dryer upon a signal from a sensor in the dryer. Furthermore, the present teachings provide methods for delivering a wrinkle reduction composition into laundry dryer. In an exemplary embodiment, a method can include electronically monitoring at least one operating parameter of a laundry dryer to determine when the operating parameter meets a first preset condition, then activating a vapor generator when the first preset condition is met, and dispensing a vapor of a wrinkle reduction composition into the laundry dryer.

Abstract: The household appliance has an exhaust air outlet to which an exhaust air guide duct can be connected, with the household appliance having an air condition sensor in the area of the exhaust air outlet.

Abstract: A method for detecting the standstill of a drum in a tumble drier during the drying of damp laundry by means of process air which is heated by a heating device in an inflow channel in front of the drum and passes into an outflow channel after passage through the drum, wherein the conductivity of the laundry is measured in the drum and the change in the conductivity is evaluated with regard to the detection of the standstill of the drum. Here, the temperature of the process air is measured by means of a temperature sensor which is arranged in the outflow channel after the drum, and the change in the temperature of the process air is evaluated with regard to the detection of the standstill of the drum. The invention also relates to a tumble drier which is suitable for this purpose.

Abstract: A laundry treating machine is disclosed. The laundry treating machine includes a case having a laundry receiving space for receiving laundry defined therein, the case being located above another laundry treating machine, a hot air supply unit for supplying hot air into the laundry receiving space, a manipulation part for allowing a user to select a drive course, a control unit for controlling the hot air supply unit to be driven according to the course selected by the manipulation part, and a guide unit for assisting the user to put the laundry in the laundry receiving space.

Abstract: A substrate treating apparatus for drying substrates by moving the substrates out of a treating liquid into a solvent atmosphere.

Abstract: The invention relates to a method of drying laundry in a dryer, in particular a tumble-dryer or a washing machine having dryer function, the method comprising: executing a drying program sequence; and thereafter executing a maintaining sequence, in particular an anti-crease sequence. According to the invention the maintaining sequence includes supplying (S) at least one additive to the laundry. Also a method is provided, wherein a drying program includes an anti-crease sub-sequence of supplying (S) at least temporarily steam in a jerkily or splashing manner to the laundry.

Abstract: A clothes drying apparatus includes a heat pump mechanism, an air path for guiding drying air into a drying drum accommodating therein clothes, a blower for supplying drying air to the air path, and a controller for controlling a driving of a compressor, wherein the controller operates the blower and the compressor during a drying operation; stops the compressor in case the drying operation is suspended; and operates, in case the drying operation is resumed, the compressor after a certain time period has elapsed since the compressor had stopped. In case employing the heat pump mechanism having the compressor as a heat source, it is possible to reduce a load on the compressor and allow temperature of warm air to rapidly return by using the heat pump mechanism.

Abstract: There are provided a substrate drying method and apparatus by which an attachment amount of particles to surfaces of substrates can be reduced when the substrates are exposed from pure water, and occurrence of non-uniform drying can be prevented by improving drying efficiency of the substrates. Air or an inert gas, and gaseous or droplet-like isopropyl alcohol (hereinafter, referred to as IPA) are supplied into a space on a liquid level of the pure water in a drying chamber, and pure water on a liquid level side is drained from the liquid level or the vicinity of the liquid level of the pure water, while raising the pure water in which the substrates are immersed together with the substrates, the substrates are exposed from the pure water above the liquid level in the drying chamber, and, at the same time, the pure water held on the exposed surfaces of the substrates is replaced by IPA, whereby the substrates are dried.

Abstract: An etching processing apparatus 1 has a transfer chamber 2, a plurality of processing chambers 3 and 4, and a plurality of cassette chambers 7 and 8. Inside the transfer chamber 2, a transfer mechanism 14 is provided. A control device 17 pauses the operation of the vacuum pump 16 after closing an opening/closing valve 15 of a vacuum evacuating mechanism, which vacuum evacuates the transfer chamber 2 in which the transfer mechanism 14 is provided, when the operation of the transfer mechanism 14 is paused for a predetermined time or longer. Accordingly, conservation of energy becomes possible without causing decrease of productivity.

Abstract: A submersible gas compressor is described which has a ceramic high pressure piston in contact with a ceramic sleeve, a drive piston mounted to the ceramic high pressure piston and a crank in mechanical connection with the drive piston. The submersible gas compressor can be used as a second stage compressor in a gas delivery system that includes a first stage low pressure compressor, an absorption bed containing molecular sieve material, a second stage compressor to pressurize a gas stream to a pressure between 5000 and 10,000 psig, a cascade system for storing the pressurized gas stream between 3500 and 5000 psig, a control system, and an outlet for delivering the pressurized gas stream.

Abstract: A method for comletely 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 initial step uses air at a temperature of approximately eighty-five degrees Fahrenheit for approximately four minutes. The very cold air has a temperature of approximately thirty-five degrees and is blown for approximately two minutes. The last step utilizes the initial heating temperature of eighty-five degrees Farenheit but for only fifteen seconds.

Abstract: A restriction sensor system for identifying the existence of blockages in exhaust conduits of clothes dryers. The restriction sensor system may include a pressure sensing device having a body configured to be coupled to an exhaust conduit of a clothes dryer. The pressure sensing device may be capable of determining changes in air pressure in the exhaust conduit. Once the air pressure present in the exhaust conduit exceeds a threshold air pressure, the pressure sensing device may send a signal to an indicator to generate an alarm, which may be a visual alarm or audible alarm, or both.

Abstract: A laundry drier control method is provided, by which drying time is dynamically controlled according to an amount and type of a drying object, using a calculated medium temperature to determine a medium temperature time. The method includes steps of initiating a drying procedure by actuating drivers, including a heater driver to increase an internal temperature of a laundry drier; determining a medium temperature time by measuring a time lapse from the drying procedure initiating step to a point where the internal temperature reaches a medium temperature between a drying initiation temperature and a maximum drying temperature; setting a drying time based on the determined medium temperature time; and performing the drying procedure for the set drying time. The drying time is set by multiplying the determined medium temperature time by a predetermined factor. The drying initiation temperature is the internal temperature at the time of initiating the drying procedure.

Abstract: Apparatus and method for desolventizing particulate material having a solvent carried thereby wherein an upper indirect heating zone and a lower direct heating zone is provided. Each of the zones has a plurality of spaced apart horizontal trays for receiving particulate material. The trays define a vertical series of compartments through which the particulate material passes. Steam is provided to the particulate material indirectly in said indirect heating zone and directly in said direct heating zone are also included. An integral air tight flash chamber below the compartments enhances solvent recovery via vaporization of residual solvent from the condensed steam adhered to the particulate material traveling through the direct heating zone prior to discharge of the particulate material. The recovered residual solvent is delivered under pressure to a predetermined compartment in the direct heating zone provide heat for desolventizing the solvent-laden particulate material.

Abstract: 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 permeable inner wall towards the outer surface of the drum. At least a portion of the hood is divided into individual sections in a cross-machine direction. Apparatus is provided for supplying a flow of drying air at a first temperature to the hood, and for supplying profiling air at a selected different temperature different from the first temperature to at least one of the individual sections.

Abstract: Apparatus and a method for enhancing the effectiveness of a water spray (30) to cool and/or remoisten a web (12) of material. The apparatus includes a web dryer, preferably a flotation dryer (100), an electrostatic charge generating device (31) or devices, a water spray (30), an integrated power supply (20) to supply high voltage power to the charge device, and a drainage system (35) for handling excess liquid generated during the cooling and/or remoistening of the web. The cooling apparatus is capable of a modular arrangement to optimize spacing and facilitate the addition of cooling capacity where needed, such as with faster web speeds or heavier web weights. One or more temperature sensors can be used to optimize the amount of and rate of fluid fed to the spray nozzles. The spray nozzles and charge bars can be retractable with respect to the web to facilitate web-up procedures.

Abstract: An air-routing household appliance includes an improved removable and washable filter in that the filter is of a flexible fiber material and is finished such that it can bind and/or decompose odorous substances. Such a filter can be disposed, in particular, in the closed process-air circuit of a condensation laundry dryer to free laundry of unpleasant odorous substances. The odor filter is produced, in particular, from a textile material and can, therefore, advantageously be cleaned in a washing machine. For the binding of odorous substances, the fibers of the filter can be treated with particles that can bind odorous substances and from which the odorous substances can also be washed out again to regenerate the filter.

Abstract: A control circuit for a clothes dryer operating with a 120 volt power supply compensates for changes in the ambient temperature to compensate for premature advancement of the dryer timer motor during an automatic drying cycle. The control circuit has a thermally biased low outlet thermostat and a thermally biased high outlet thermostat which control the energization of a heater in the dryer. The low outlet thermostat and the high outlet thermostat each open circuit at respective lower and higher predetermined temperatures when the outlet air flow from the dryer drum reaches the lower or higher respective predetermined temperatures to thereby de-energize the heater and advance the timer motor. The control circuit includes a thermally biased ambient thermostat that is normally open and unbiased, and that switches control of the heater energization from the low output thermostat to the high outlet thermostat when thermally biased and when the ambient temperature rises above a predetermined ambient temperature.

Abstract: The invention relates to a method for regulating a compressor installation with at least one compressor element (6) driven by a motor and, in the pressure conduit (11) thereof, a dryer (2) of the type comprising a pressure vessel (24) with a drying zone (3) and a regeneration zone (4), and a rotor (25) continuously rotated in this pressure vessel (24) by a motor (33), which rotor is filled with a regenerable drying agent. A portion of the compressed air is supplied, by means of a branch (15), to the regeneration zone (4) and, after cooling down and separation of the condensed water, is fed back to the pressure conduit (11). The speed of both motors (9, 33) is regulated by a regulation device (13) in function of the pressure in the pressure conduit (11).

Abstract: The invention relates to a dryer device for drying printing ink, lacquers or similar coatings. The aim of the invention is to improve a system comprising an electric emitter unit (1) mounted in a printing machine or the like for radiating sheets (2) or web material, with a high drying capacity while at the same time making sure that the surrounding machine parts are heated up as little as possible. To this end, the emitter unit (1) is provided with one or more rapidly starting IR medium-wave emitters (12), preferably IR carbon emitters (12) with a wavelength of radiation substantially in the range of from 2 &mgr;m to 3 &mgr;m.

Abstract: A control circuit for a clothes dryer operating with a 120 volt power supply compensates for changes in the ambient temperature to compensate for premature advancement of the dryer timer motor during an automatic drying cycle. The control circuit has a thermally biased low outlet thermostat and a thermally biased high outlet thermostat which control the energization of a heater in the dryer. The low outlet thermostat and the high outlet thermostat each open circuit at respective lower and higher predetermined temperatures when the outlet air flow from the dryer drum reaches the lower or higher respective predetermined temperatures to thereby de-energize the heater and advance the timer motor. The control circuit includes a thermally biased ambient thermostat that is normally open and unbiased, and that switches control of the heater energization from the low output thermostat to the high outlet thermostat when thermally biased and when the ambient temperature rises above a predetermined ambient temperature.

Abstract: An air flow detecting system is provided for monitoring air flow in a dryer system. The dryer system has an exhaust passage through which air from a drying compartment flows. The air flow detecting system includes a detector for monitoring a rate at which air from the drying compartment travels through the exhaust passage, and a signal generator. The signal generator is responsive to the detector and generates an electrical signal for which at least one of phase, frequency, voltage, or current varies over a continuous range based on a measured flow rate.