Abstract: A machine, such as a dishwasher or clothes washer, incorporates a device for measuring machine load that includes a sensor for detecting power consumption surges. The machine may further include a frame for containing articles, a power utilization system for circulating or distributing a liquid in the frame, and a controller, responsive to the device, for controlling the amount of liquid provided to the frame.

Abstract: A fluid-handling machine, such as a dishwasher or clothes washer, incorporates a device for measuring liquid load that includes a sensor for detecting liquid pressure surges. The machine may further include a frame for containing articles, a system for circulating or distributing a liquid in the frame, and a controller, responsive to the device, for controlling the amount of liquid provided to the frame so that enough liquid is provided to ensure that there is a sufficient amount for a wash cycle.

Abstract: A water-conducting household appliance includes a liquid container having a static content level, a fill control device, a cycle control unit, an inflow valve to be opened by the cycle control unit and closed by at least one of the fill control device and the cycle control unit, an evacuation pump, a switch having a switching position in which the switch turns on the evacuation pump and selectably closes the inflow valve, and a chamber hydraulically communicating with the liquid container and having an opening for the entry of water. A safety device for the appliance includes a safety level switch device having a float disposed in the chamber, the float having a switching position in which the float acts upon the switch, and the float having a position of repose in which the float is kept at a distance above the static content level and in which the float acts upon the switch to switch off the evacuation pump.

Abstract: A machine for cleansing articles, such as a dishwasher, incorporates a device for measuring the turbidity of an at least partially transparent liquid. The device includes a sensor for detecting scattered electromagnetic radiation, regardless of polarization, and a sensor for detecting transmitted electromagnetic radiation, regardless of polarization.

Abstract: In a dishwashing system, a dishwashing machine (10) is provided to wash a rack holding thereon tableware in a washing chamber, a wagon (W) is provided to have therein plural stages of horizontal storage shelves in an up-and-down direction, and an elevator (E) is disposed between the wagon and the dishwashing machine. On the elevator (E), a drive control device is provided to move a ramp (56) of the elevator by a driving mechanism (60) toward a position facing to one of shelves of the wagon after the rack has been placed at a reference position of the ramp (56) by way of timing belts (57i) (57l), to drive the timing belts by a timing belt mechanism (57) so as to store the rack onto the shelf, to stop the timing belt mechanism upon completing storage of the rack and to drive the driving mechanism till the ramp reaches the reference position. These operations are repeated by the drive control device.

Abstract: A dispensing apparatus and method for dispensing detergent in a warewash machine. The rinse water spray system or an alternate water source is monitored to determine if water is being supplied to the warewash machine. Once water is sensed being supplied to the machine, the apparatus determines whether the water is being supplied for a rinse cycle or a fill cycle. The amount of detergent dispensed is controlled based upon the determination of whether the water is being supplied in a rinse cycle or a fill cycle. If the apparatus determines that the water is being supplied for a rinse cycle, a make-up amount of detergent is dispensed upon completion of the rinse cycle. If the apparatus determines that the water is being supplied for a fill cycle, the washtank is precharged with the desired concentration of detergent during the fill cycle.

Abstract: A conveyor dishwashing machine in which racks of dishes are conveyed from a loading surface through a hood which presents washing and rinsing zones and onto a discharge surface. In the washing zone, wash spray is applied to the dishes from a spray system which is easily removed for cleaning and easily replaced in the proper position. In the rinsing zone, a rinse curtain applies an initial rinse and creates a barrier against the wash spray. A final rinse of clean city water is applied subsequent to the rinse curtain. Automatic controls operate the machine with a minimum of human intervention.

Abstract: An electric control apparatus for a dishwashing machine for controlling the supply and discharge of hot water into and from a wash water storage tank in the machine prior to washing operation. The electric control apparatus is designed to supply hot water into the wash tank from a supply source of hot water in response to operation of a power source switch and maintain the supply of hot water into the wash tank during first and second predetermined times, to discharge the hot water from the wash tank upon lapse of the first predetermined time and maintain the discharge of hot water during the second predetermined time, to interrupt the supply and discharge of hot water into and from upon lapse of the second predetermined time and maintain the interruption of the supply and discharge of hot water during a third predetermined time, and to discharge the hot water from the wash tank upon lapse of the third predetermined time and maintain the discharge of hot water during a fourth predetermined time.

Abstract: The present invention discloses a sink mounted dishwasher having a closure mechanism (41, 140) in the drain (15) of the sink (2). An hydraulic control system (FIG. 6) for such a dishwasher is also disclosed together with an hydraulically operated liquid detergent dispenser (47, FIG. 7). The preferred form of hydraulic fluid is liquid rinse aid. Two forms of spray arm (28, 128) are also disclosed, each with a structure (20) which enables the spray arm to be removably and rotatably mounted within the sink.

Abstract: A method is provided for regenerating a mass of active resin contained in a water softening device connected in the water filling circuit of a washing machine. The water softener device has an internal volume which is equal to the sum of the volume of the mass of resin plus a free volume, and is selectively supplied with both fresh water and brine through respective valves controlled by a program control device. The water softening device is supplied with a volume of brine during a first period of time, and is subsequently supplied with a complementary volume of water during a second period of time. The sum of the volume of brine, which is selected according to the hardness of the supply water, and the complementary volume of water is equal to the free volume of the water softening device.

Abstract: An automatic washing apparatus for washing dirty things in a washing tank to which washing liquid is supplied, the automatic washing apparatus comprising: a light emitting element for emitting light to the washing liquid which has passed through the washing tank; a first light receiving element for receiving a linear light beam which travels through the washing liquid along the optical axis of the light emitting element; and a second light receiving element for receiving scattered light which travels through the washing liquid in directions deviated from the optical axis of the light emitting element, wherein washing conditions are controlled in accordance with the quantity of light received by the first light receiving element and the quantity of light received by the second light receiving element.

Abstract: A relief valve is provided in a dishwasher for relieving an overpressure condition in the washing chamber of the dishwasher. The relief valve includes a cap portion fitting over a chimney opening and a base portion slidably extending into the chimney. The cap portion has a plurality of small perforations allowing for passage of overpressure air flow while precluding the passage of suds.

Abstract: A control system for an appliance indicator light includes a timer which times the amount of time the appliance door is open after completion of the operational cycle of the appliance. If the door is opened for more than a predetermined period of time, the indicator light will be deactuated, but if the door is opened for less than the predetermined period of time and then reclosed, the indicator light will be left in its on condition. The timer may be a series of cams attached to a motor, a bi-metal switch located adjacent the indicator light, or a microprocessor connected to and driving the indicator light.

Abstract: A cleaning system and dispenser are disclosed which feature a reservoir for retaining a liquid detergent solution; a chamber for retaining a mass of solid, dissolvable detergent; a measurement device for measuring the concentration of detergent in the liquid detergent solution; and a flow control device for circulating the liquid detergent solution from the reservoir into contact with the solid detergent so as to dissolve a portion of the solid detergent and increase the concentration of detergent in the liquid detergent solution. The circulation of the liquid detergent solution is in response to a signal from the concentration measuring device that the concentration of detergent in the liquid detergent solution has fallen below a predetermined minimum. The dispenser also includes a measurement device for measuring the volume of solution in the reservoir and for adding fresh water to the reservoir when the volume of solution is below a predetermined minimum.

Abstract: A glass washer has a cabinet enclosing a water reservoir having a drain, a water inlet, a spray box, a motor driven rotary tray above the spray box, and a pump for causing water flow through the spray box to spray the contents of the tray. A control senses incoming water temperature and holds the drain open until the water temperature reaches a predetermined level and then closes the drain.

Abstract: A multi-function warewashing machine which automatically functions in a plurality of operating modes, including a conventional dishwashing mode and specialized washing modes for flatware and pots and pans, the operating mode being indicated by ware racks each of which bears an indicator in the form of an anomaly or signalling device which uniquely predetermines the optimum spray patterns and timing cycles for a particular type of ware contained in the rack, the warewashing machine including a sensor for detecting the indicator and a control circuit which responds to the sensor to actuate various controllable devices in combination to produce specific spray patterns and wash and rinse cycle times which are best suited for cleansing a particular ware.

Abstract: A dishwasher has a container with baskets for the articles to be washed, a flushing system with a scavenging pump, spray arms, a strainer system with a fine strainer and a coarse strainer, and a discharge pump. The operation of the dishwasher is controlled by a control system which, after a prewashing controls partial drainage of the water to such an extent that the water level is lower than the upper surface of the fine strainer. With this reduced water level, the fine strainer is cleaned by running the residual amount of water through the flushing system during a predetermined time interval. Dirt flushed away from the strainer surface is collected in the central part of the strainer system and is discharged after completion of the flushing together with the residual water amount.

Abstract: A dispensing apparatus and method for dispensing detergent in a warewash machine. The rinse water spray systm or an alternate water source is monitored to determine if water is being supplied to the warewash machine. Once water is sensed being supplied to the machine, the apparatus determines whether the water is being supplied for a rinse cycle or a fill cycle. The amount of detergent dispensed is controlled based upon the determination of whether the water is being supplied in a rinse cycle or a fill cycle. If the apparatus determines that the water is being supplied for a rinse cycle, a make-up amount of detergent is dispensed upon completion of the rinse cycle. If the apparatus determines that the water is being supplied for a fill cycle, the washtank is pre-charged with the desired concentration of detergent during the fill cycle.

Abstract: A system for monitoring the performance of a warewashing machine generates proactive alarms that audible and/or visibly instruct operators to take corrective action of temperature, rinse pressure, loading, or other machine deficiencies occur. A data input feature enables the operator to add production data to the report for the calculation of machine efficiency. A water consumption measurement device provides realistic utility, water and sewage costs calculations for the warewashing machine.

Abstract: Dishwasher dispensing structure consisting of a reservoir for storing a supply of additive and having an outlet opening to the wash chamber, a cover movably mounted relative to the reservoir between a) a closed position wherein the cover prevents escape of additive from the reservoir outlet into the wash chamber and b) an open position permitting the reservoir outlet to be in communication with the wash chamber, a trigger mounted movably to the dishwasher between a cover block position and a cover release position, with structure on the trigger for maintaining the cover in the closed position with the trigger in its blocked position and releasing the cover to its open position with the trigger in its cover release position, a cover release member, structure driven by the timer mechanism for moving the cover release member through a first prescribed path in response to operation of the timer mechanism as the dishwasing apparatus is cycled and moving the cover release member in a first direction through a porti

Abstract: A dishwashing apparatus having a wash chamber, a timer, an additive reservoir and a dispenser for selectively closing and opening the reservoir.

Abstract: A dishwasher is provided with an improved apparatus for protecting the tub from being overfilled in the form of a float having a float stem that is automatically captured upon insertion through a passage in the tub bottom wall such that the float will be restrained against disengagement from the tub bottom wall. The float is vertically movable to operate a control switch for regulating the level of water within the tub. Preferably a retaining ring is carried on a stem of the float which is automatically biased through a varying diameter keyway and is subsequently moved to a captured position below the member having the keyway.

Abstract: An electric control apparatus for a dishwashing machine having a washing chamber, a wash pump arranged to be driven by an electric motor for pumping up wash water from a wash water storage tank in the washing chamber, and a revolving wash arm arranged within the washing chamber to be supplied with the wash water from the pump for directing jet streams of the wash water to a rack of tableware placed in the washing chamber. The electric control apparatus includes a microcomputer programmed to memorize control data defined in relation to the lapse of washing time such that the supply amount of wash water to the wash arm is intermittently increased and decreased after gradually increased up to a predetermined amount at an initial stage of washing operation and to control the rotational speed of the electric motor in accordance with the lapse of washing time based on the control data.

Abstract: A device for a dishwasher comprising a tub with a bottom (10) which is provided with a sump (11) for collecting liquid circulating in the tub. When the machine is emptied, the liquid is distributed from the sump to the inlet side of a sewage pump (20) from which the liquid is discharged to a sewer or the like. In order to make the overall height of the machine small, to limit the quantity of watr remaining in the sump, and to considerably decrease the working time of the sewage pump necessary to achieve this small quantity, the bottom surface of the sump (11) is placed below or on the same level as the pump housing (23), and the inlet (21) of the pump communicates with the sump via a pipe (17) which has a restriction (26).

Abstract: Dishwasher dispensing structure consisting of a reservoir for storing a supply of additive and having an outlet, a cover mounted for movement relative to the reservoir between (a) a closed position and (b) an open position, a trigger mounted movably between a cover block position and a cover release position for selectively maintaining the cover in its closed position and releasing the cover to its open position, a cover release member movable by the timer mechanism through a first prescribed path in response to operation of the timer mechanism in a first direction through a portion of the path during one portion of the operating cycle and to retrace the path portion in a second, opposite direction during another portion of the cycle, trigger moving structure movable in a third path as the cover release member moves through the one portion of the cycle and in a fourth path that substantially retraces the third path as the cover release member moves in the another portion of the cycle, and cooperating structur

Abstract: In a dishwashing machine having a washing chamber, an electrically operated wash pump for pumping out wash water from a wash tank in the washing chamber, an electrically operated rinse pump for pumping out heated water from a gas booster heater, and wash and rinse arms arranged within the washing chamber to be supplied with the wash and heated water from the wash and rinse pumps for directing jet streams of the wash and heated water to tableware racked in the washing chamber respectively, an electric control apparatus is arranged to mix cold water from a source of cold water into the heated water to form mixing water and to control the rinse pump such that the rinse arm directs jet stream of the mixing water to the racked tableware.

Abstract: An apparatus for cleaning fabrics includes a washing machine having a housing, a wash chamber, hot and cold water inlet conduits in the housing leading to the chamber, and at least one laundry chemical inlet conduit. Water flow sensing means are placed in the hot and cold water lines, respectively, located outside of the housing. The flow of water generates a signal in the sensing means which then sends an electronic impulse to a control head having a program that stores and selectively activates a plurality of pumps. These pumps deliver laundry chemicals from supply containers into the wash chamber of the machine.

Abstract: A commercial warewasher is disclosed, in which racks of soiled ware, such as dishes, are consecutively washed through a machine cycle which includes recirculating wash water over the ware followed by a fresh water spray rinse. A portion of the wash water is drained and a second portion is intentionally retained in the machine during the rinse period after each rack of dishes is washed. The retained portion is thereby combined with the fresh rinse water to provide a volume of water sufficient for pumped wash recirculation for the next rack without cavitation, while enabling usage of a minimum quantity of rinse water required to provide effective rinsing. Reduced water consumption, reduced energy to heat the water and reduced chemical usage (detergents, sanitizers and rinse agents) are all possible in amounts and degrees depending upon the type and design of warewasher with which the method and apparatus is employed.

Abstract: In a glass washing machine having a glass carrier rotatable on an upright axis, half of the carrier is always in an access zone where glasses can be loaded onto the carrier and removed from it, the other half in a cleansing zone where detergent solution is discharged from a first set of spray nozzles and germicidal rinsing solution is discharged from a second set of nozzles. Upon actuation of a pushbutton switch, the carrier rotates through 180.degree., always in the same direction, then stops until the switch is again actuatd. Liquids are discharged from all nozzles while the carrier rotates. Detergent solution is recirculated, but fresh detergent solution is introduced during a predetermined portion of each period of carrier rotation.

Abstract: A control circuit for dispensing detergent and a wetting agent in a dishwasher is provided in which a single triac can be utilized to selectively energize either the detergent dispenser operator or the wetting agent dispenser operator by connecting the two operators, each in series with an oppositely oriented diode, in parallel, and such connection in series with the triac, and then biasing the triac into low impedance at the beginning of either positive or negative half line cycle depending on the operator selected to be energized. If an operator is of low resistance, it is connected in series with the heater which then acts as a current limiter, and if the operator is of high impedance, it is connected in parallel with the heater.

Abstract: According to the invention, structure is provided for interconnecting a timer mechanism and dispensing structure associated with a dishwashing apparatus. The timer mechanism has a cam with an associated follower with a free end that is engageable with a portion of an actuating member. In the operating cycle, motion is transmitted from the follower through the actuating member. In a given cycle, the actuating member and follower move in a prescribed path in one direction and retrace the path in a direction opposite to the one direction. Structure is provided to block the actuating member at its extreme position of travel in the one direction and to progressively adjustably interconnect the follower and actuating member as they are moved relative to each other. By so doing, the cam follower can be moved through its path by a manual control knob and engaged with the actuating member, that is blocked at its extreme position of travel in the one direction.

Abstract: An improved dishwasher and hot water heater system is disclosed in which the dishwasher comprises means for automatically causing the water temperature in the hot water heater storage tank to be raised to a temperature suitable for sterilization of dishes by rinsing upon actuation of the dishwasher. No operator input is required, yet water is not maintained at the rinse temperature when the dishwasher is not being used.

Abstract: This invention relates to a dishwasher equipped with a single, unidirectional electric motor driving two impellers coaxial to a pump which sends water to a bypass valve containing inlets and outlets. The opening and closing of inlets and outlets is controlled by an actuator thermally activated by a heater/controller. Power is supplied to the controller through leads connected to a timer.

Abstract: A dishwashing machine includes at least one additive distributor for dispensing additive into a wash tub, a first electrically controlled actuator for operating the distributor, a water softener for softening water supplied to the wash tub, a regeneration circuit for regenerating the water softener, a second electrically controlled actuator for operating the regenerating circuit, and a programmer for controlling the operation of the first and second actuators. The first and second actuators are electrically connected in parallel to each other. A single switch is controlled by the programmer for connecting the parallelly connected first and second actuators to a power source for at least one first time period and at least one second time period longer than the first time period. The first and second actuators have response times respectively shorter and longer than the first time period, and the response time of the second actuator is less than the second time period.

Abstract: A dishwashing machine and a method for washing ware therewith are disclosed. The machine includes a wash chamber, a tank for holding a cleansing liquid, a spray system including a selectively operable pump for spraying ware to be cleaned with liquid from the tank, and a heater for heating the liquid within the tank. The heater is regulated to maintain the liquid substantially at a first predetermined temperature whenever the pump is operating, and to maintain the liquid substantially at a second predetermined temperature greater than the first temperature whenever the pump is not operating.

Abstract: An automatic dishwasher which comprises an enclosure for accommodating articles to be washed, a washing solution tank arranged below the enclosure, a hot water storage tank for containing a predetermined amount of hot water for rinsing use, a plurality of nozzles for spraying a liquid medium towards the articles in the enclosure, a motor-driven pump, a first piping connecting a discharge port of the pump with the nozzles, a second piping connecting both of the solution and storage tanks with a suction port of the pump, and a valve assembly disposed on the second piping and operable to close a first passage between the suction port and the storage tank and to open a second passage between the suction port and the solution tank during the washing operation in which the articles are washed, and to open and close the first and second passages, respectively, during the rinsing operation in which the articles are rinsed.

Abstract: A machine is provided for rinsing eating utensils and includes a rinse station wherein the utensils are finally rinsed to eliminate spotting thereon. The water used in the final rinse of the utensils is of high quality and contains less than 275 ppm of total dissolved solids. The high quality rinse water is collected in a tank having a heating element therein and pumped to the rinse station after being heated. After each rinse cycle, the water drains back into the tank where it is reheated and recirculated to rinse each additional group of utensils subsequently introduced into the second station until the level of total dissolved solids in the water exceeds 275 ppm.The method of rinsing eating utensils comprises moving the utensils through a rinse station where they are finally rinsed with a heated quantity of high quality water having less than 275 ppm of total dissolved solids.

Abstract: A process for automated and improved proteinaceous soil removal in a wash water solution wherein alkali is first added to the wash water solution to bring the pH thereof to slightly below a selected target pH value in the range of 10 to 11 that will be effective to react with and solubilize the proteinaceous soil. To that wash water solution 5 to 50 milligrams of hypohalous halogen per liter of wash water solution and sufficient alkali is added to raise the pH of the wash water solution to the target pH value. The wash water solution is monitored to detect a drop in pH of at least 0.02 pH units occurring after the addition of the hypohalous halogen. If there is no such drop in pH then the process is terminated. If there is at least a 0.02 pH units drop in pH then an incremental amount of hypohalous halogen and sufficient alkali are added to the solution to again raise the pH of the water solution to the target pH. This cycle continues until there is less then 0.

Abstract: A control system and method of controlling a conveyor-type dishwasher is disclosed, with the dishwasher including a plurality of sequentially arranged work stations, each of the stations performing an operation on ware located therein such as washing, rinsing, drying and the like. A conveyor carries the ware into the dishwasher, past each of the stations, and out of the dishwasher. A sensor mounted at a reference point adjacent the conveyor near the entrance for ware to the dishwasher senses the presence of ware items on the conveyor as the items are carried past the reference point. Positional advance of the conveyor is monitored to define a current conveyor position and track movement of the items through the dishwasher.

Abstract: A multiple-fill dishwasher and method includes a wash chamber having a sump at the bottom thereof, a remotely controlled inlet valve for supplying cleansing liquid into the sump, a drain for draining liquid and entrained soil from the sump, and a recirculating pump having a spraying system receiving the output thereof for spraying liquid onto soiled ware contained within the chamber. A control circuit controls the valve, drain means, and pump to perform a selected one of a plurality of different cleansing cycles which are automatically selected according to the extent of soil on the ware. An operator-actuated switch for commencing operating of the control circuit, and a chamber for collecting soil particles in a concentrated fashion during liquid recirculation, are also provided.

Abstract: A dishwasher monitor/controller for monitoring the operation of a dishwasher and providing human-intelligible speech messages upon the detection of predefined fault conditions. The operation of the dishwasher is periodically monitored using temperature measurements, water conductivity measurements, detection of the absence of drying agent, and timers to measure how long various physical conditions continue between periodic maintenance procedures. The dishwasher faults detected include directly tested faults and indirectly (elapsed-time dependent) tested faults. The direct tests for faults are for low rinse water temperature, low wash water temperature, and absence of drying agent. The indirect tests are for dirty wash water, absence of detergent, and the need to inspect the interior of the washer for dirt and calcium carbonate scale build-up. Furthermore, there is provided a switch activated facility for orally explaining, step-by-step, how to properly start-up the dishwasher and how to shut it down.

Abstract: Motor controlled dispenser apparatus for a washing appliance includes a first dispenser for storing and dispensing a first treating agent having a dispensing member movable between a closed position in which the interior of the dispenser is sealed and an open position in which the interior of the dispenser is exposed to enable the dispensing of a first treating agent; a second dispenser for storing and dispensing a second treating agent; a dispenser actuating member movable between a rest position, a first dispensing position and a second dispensing position; and a gear assembly coupling the dispenser actuating member to a motor-driven shaft, for controlling the rate of movement of the dispenser actuating member in accordance with the rate of rotation of the shaft. The dispensing member is coupled to the dispenser actuating member for movement therewith. The rate of movement of the dispensing member from its closed to its open position being determined by the rate of rotation of the motor-driven shaft.

Abstract: A dish washing machine includes a wash tank for receipt of dishes to be washed and a hydraulic circuit for receiving water from a water supply source and for supplying water to the wash tank. An electrochemical cell for generating chlorine gas by the electrolysis of a brine solution is connected to the hydraulic circuit. A salt container is connected to the hydraulic circuit by at least one valve and forms brine to be supplied to the electrochemical cell. At least one chlorine gas supply conduit connects the electrochemical cell to the wash tank to thereby supply chlorine gas from the electrochemical cell to the interior of the wash tank.

Abstract: A control system for a washing machine having a plurality of selectable functions, with each function including a plurality of predetermined operational steps, providing a control element for controlling the performance of each operational step, an input to the control element for selecting one of the functions, circuitry for interfacing the control element with the apparatus for allowing direct control of the operational steps by the control element, and an instruction program located within the control element for effecting the control function of the control element, the instruction program including a first instruction group for distinguishing a selected function from the other selectable functions, a second instruction group for registering the function distinguished by the first instruction group, a third instruction group for initiating performance of the predetermined operational steps of the registered function and for registering a period of performance for the initiated operational step, and a four

Abstract: A method and apparatus for supplying dry detergent concentrate to a metering device for dissolving or dispersing in water which prevents or minimizes the formation of dust, lumping, caking, and encrustation of vessel walls and supplies new detergent to the laundry plant in response to changes in electrical conductivity of the wash water from a predetermined value which indicates consumption of original detergent required in soil removal and need for replenishment thereof. The minimizing of dust and protection of the detergent from moisture is accomplished by using a flexible delivery container, the filling means and emptying means of which are sealable and which emptying means acts in cooperation with the metering apparatus section to form an integral delivery system which is generally isolated from the surrounding atmosphere.

Abstract: A control system for a washing machine having an aspirator connected to the discharge side of the inlet valve. The aspirator vacuum port provides a vacuum signal through a one-way valve to a vacuum reservoir which supplies a vacuum signal via a control valve to one or more vacuum responsive diaphragm actuators. The force output of the actuators is employed for auxiliary machine functions such as direct mechanical actuation of the drain valve or operating the recirculation pump motor start switch.

Abstract: An automatic dishwasher includes a water inlet line, a flow control valve assembly, a wash water introducing means for introducing wash water into a container which is adapted to receive dishes, and control means for selectively controlling the flow control valve assembly. The flow control valve assembly includes a first flow control valve which is selectively actuated by a first solenoid coil and a second flow control valve which is selectively actuated by a second solenoid coil. A first ferromagnetic member is disposed between a first end of the solenoid coils and a second ferromagnetic member is disposed between the other end of the solenoid coils. The solenoid coils are so interconnected that when an actuating potential is applied across them, they are electrically in series. The series connection of the coils allows the coils to be configured such that a significant saving in the cost of coil wire is achieved over parallel connected coils.

Abstract: An overflow control system for use with home appliances such as washing machines, incorporating conventional stand pipe which receives the outlet conduit from the appliance, the stand pipe being provided with an attachment having a displacement, conductivity or a pressure sensor installed for sensing the height of liquids in the stand pipe. This stand pipe may be vertically connected to the sewage line outlet found in a home and the signals from the sensors may be used to shut off the power to the appliance and to excite an alarm. Connected in parallel with the sensors may be a moisture sensor deployed under the appliance which again shuts the power off whenever the machine is inadvertently filled beyond its limits or when leakage occurs.

Abstract: Solid cast detergent-containing articles are produced for use in automatic washing machines. A liquid detergent composition is cast into a mold where it is allowed to solidify. The solid cast detergent, surrounded on all but its upper surface by the mold, is used in automatic washing machines having a dispensing device designed to dispense a liquid aqueous detergent formed from the solid cast detergent using an impinging liquid spray. The liquid aqueous detergent flows out of the dispensing device generally simultaneously with its formation in the dispenser. The cast detergent composition includes an alkaline hydratable chemical and optionally further includes one or more preformed cores or plugs comprising an available chlorine source, a defoamer, or the like.

Abstract: Solid cast detergent-containing articles are produced for use in automatic washing machines. A liquid detergent composition is cast into a mold where it is allowed to solidify. The solid cast detergent, surrounded on all but its upper surface by the mold, is used in automatic washing machines having a dispensing device designed to dispense a liquid aqueous detergent formed from the solid cast detergent using an impinging liquid spray. The liquid aqueous detergent flows out of the dispensing device generally simultaneously with its formation in the dispenser. The cast detergent composition includes an alkaline hydratable chemical and optionally further includes one or more preformed cores or plugs comprising an available chlorine source, a defoamer, or the like.