Abstract: Described herein, is a device and system for remotely shutting off the supply of water to water heaters, thereby preserving a reservoir of potable water within the water heater during exigent times. An “off” signal may be sent within a region, thereby preventing the further flow of water into water heaters when the water supply has become contaminated. The device includes an antenna for receiving signals, a valve unit, and a solenoid capable of opening and closing the valve unit upon the receipt of “on” and “off” signals. The device may be battery operated and may sound a warning alarm when activated and/or when the batter is low. Also described, is a method of preserving a potable reservoir of water within a water heater upon the water supply leading to the water heater becoming contaminated.

Abstract: A reduced pressure treatment system includes a processing unit, a reduced pressure source, and a conduit fluidly connected between the reduced pressure source and a tissue site of a patient. The reduced pressure source is configured to operate at a target power level to apply a reduced pressure to the tissue site. A canister is provided to collect fluid drawn from the tissue site. A sensor is provided in communication with the reduced pressure source to determine a source pressure at the reduced pressure source, and an alarm indicator is provided in communication with the processing unit. The processing unit communicates a leak alarm signal or a canister disengaged alarm signal to the alarm indicator when an actual power level of the reduced pressure source exceeds the target power level for a selected period of time.

Abstract: A moisture monitoring and control system comprising: 1) a plurality of moisture sensors; 2) one or more local or remote control stations capable of monitoring and controlling each of the individual elements of the moisture monitoring and control system; 3) at least one water control valve capable of turning off the water supply to all or at least one water supply zone and powered by an aerogel capacitor; and 4) a plurality of non-interfering RF communications devices at each of the sensor, control and water control valve locations.

Abstract: A leak sensor and a leak sensing system are provided. The leak sensor preferably includes a fluid sensing member that is capable of sensing and indicating the presence of a fluid leaked from a fluid storage or transport member. The leak sensor further preferably includes at least two wires communicating with the fluid sensing member. The wires are preferably configured to be short-circuited when they contact the fluid leaked from the fluid storage or transport member. An electrical signal corresponding to a leak sensor location can thereby be sent to a control terminal of the leak sensing system. A portion of the wires may be arranged in a cable coated with a protective material such as Teflon®. The control box (or terminal) preferably receives electrical signals from a plurality of leak sensors. The electrical signals can provide information on whether the fluid has leaked and on which leak sensor or sensors have detected the fluid leak.

Abstract: An electronic steam trap monitor includes an electric generator configure to couple to a stream trap proximate a potential leak location. The generator generates electricity in response to a process variable from the potential leak location. Communication circuitry provides an output when there is sufficient electricity from the electric generator.

Abstract: The present invention relates to a laundry machine. The laundry machine includes a drum rotatably mounted in a cabinet, a hot air heater to heat air and supply hot air into the drum, a steam generator to supply steam into the drum, a water supply source detachably mounted in the cabinet to supply water into the steam generator, and a water leakage preventing unit to prevent water leakage when the water supply source is detachably mounted.

Abstract: A leak detection and prevention system includes a gear motor linkage assembly. The gear motor linkage assembly includes a gear motor and a gear motor controller/driver module that controls operation of the gear motor. The gear motor linkage assembly also includes a push lever attached to a shaft of the gear motor, the push lever in a home position, wherein when a signal indicating that a leak has been detected is received the gear motor controller/driver module controls the gear motor to rotate the push lever so that the push level non-captively engages a handle of a valve and pushes the handle to a closed position, then the gear motor controller/driver module controls the gear motor to rotate the push lever to the home position.

Abstract: A fluid leak detection system mounts to a hose line segment of the type comprising at least an inner carcass and an outer containment carcass separated from the inner carcass by a collection space. The system includes a housing defined by sidewalls externally mountable to the hose line segment and having an internal housing chamber in fluid communication with the collection space. A system sensor casing mounts through a housing sidewall, the sensor casing having an axial bore and an external sensor casing portion positioned outside of the sensor housing and an internal sensor casing portion positioned inside of the sensor housing. The sensor casing includes a valve assembly that opens and closes responsive to respective coupling and decoupling of a sensor assembly with the external sensor casing portion. A first valve assembly sealing unit opens at or above a preset threshold pressure and closes at a pressure below the preset threshold pressure.

Abstract: A water leak detection system for generating a control signal indicative of a water leak detection. The system is connectable to a power line carrying an AC power signal. The system includes a master unit connectable to the power line for generating the control signal indicative of a water leak detection. One or more slave units are connectable to the power line for communicating with the master unit. One or more sensors are connected to the slave unit for detecting a water leak. A communication system transmits and receives data signals between the master unit and each slave unit in the AC power signal. The communication system includes an encoder for encoding outbound data into the AC power signal using frequency shift keying (FSK) signals and a decoder for decoding inbound frequency shift keying (FSK) signals from the AC power signal.

Abstract: A device and method for detecting the presence of one or more targeted liquids in volume of space where the targeted liquid is not normally present. The device includes a sensor that can differentiate between the target fluid and a non-target fluid.

Abstract: Leak detection apparatuses located, at least in part, in the deadspace below a floor in an abode wherein the leak detection apparatus captures, detects and signals the presence of leaking water and other aqueous solutions.

Abstract: Embodiments of the invention provide a method, article of manufacture, and system of detecting a cryogenic leak. In one embodiment, the method includes calibrating an infrared camera by detecting one or more first areas of low temperature in a first infrared image of a location received from the infrared camera wherein the low temperature is lower than an ambient temperature, detecting one or more second areas of low temperature in a second infrared image of the location received from the infrared camera wherein the low temperature in the second infrared image is lower than the ambient temperature and indicative of the cryogenic leak, and wherein the one or more second areas are not the one or more first areas, and in response to detecting the one or more second areas of low temperature in the second infrared image, generating an alarm message which indicates the cryogenic leak.

Abstract: Checking apparatus for checking operation of a densimeter for medium-voltage or high-voltage equipment having metal casing (4) that is filled with a dielectric gas under pressure; the apparatus comprises a closed chamber (8) suitable for being put into communication with an internal space (5) of the casing (4), and isolation means (10) for isolating the chamber (8) in gastight manner from the internal space (5), in which apparatus said closed chamber (8) has a volume that can be caused to vary, and in which apparatus the densimeter is suitable for detecting at least one pressure threshold in said chamber.

Abstract: Methods, systems, and articles of manufacture consistent with the present invention provide for detecting a leak in a hydraulic fluid system having a reservoir and a conduit operatively connected to the reservoir. The fluid may reside in the reservoir, the conduit, or both. A current level of the fluid in the reservoir is sensed. A determination is made as to whether the current level is less than a leak detection level. When it is determined that the current level is greater than the leak detection level, a current temperature of the fluid is sensed and the leak detection level is updated based on the current temperature of the fluid so that thermal expansion of the fluid in the system is considered in detecting and isolating a leak.

Abstract: Disclosed are portable, easy-to-install apparatuses for detecting and containing fluid leaked or otherwise discharged from a fluid-filled device and for facilitating testing and maintenance of the apparatus and fluid-filled devices. In one aspect of the disclosed invention, upon sensing a fluid discharge, the apparatus activates audible and/or visual alarms and directs the discharged fluid to a predetermined drainage area to prevent damage to areas surrounding the fluid-filled device. In another aspect of the present invention, no plumbing or electrical wiring is required to install the apparatus, thereby allowing an unskilled individual to easily and inexpensively install the apparatus. In yet another aspect of the present invention, the apparatus may be easily located since it is not dependent on gravity or a drainage pipe for discharge of the fluid. Furthermore, the apparatus optionally includes an integral leveling mechanism to accommodate leveling of the apparatus when placed on uneven surfaces.

Abstract: A fluid leak alert system comprises a flow sensor and a timer apparatus. The flow sensor is configured for sensing presence of fluid flow through a fluid flow line. The timer apparatus is connected to the flow sensor. The timer apparatus compares a prescribed maximum flow interval duration to a length of time over which the presence of fluid flow through the fluid flow line is sensed for determining if the length of time that fluid flow is present is greater than the prescribed maximum flow interval duration. The timer apparatus outputs an alert signal when the length of time is greater than the prescribed maximum flow interval duration. The timer apparatus includes a flow interval duration adjuster for enabling the prescribed maximum flow interval duration to be selectively set to any one of a plurality of different prescribed maximum flow interval durations.

Abstract: An underground storage system includes a primary containment unit and a secondary containment unit arranged to sealingly encompass the primary containment unit. The underground storage system further includes a leak detection system which is fluidly connected to the secondary containment system, and which is adapted to detect fluid leaks in the primary containment system and the secondary containment system.

Abstract: An integrated leak detection system for a rotating union provides improved leak detection and user convenience. In an embodiment of the invention, the system provides a leak detection sensor located within the union, and in an embodiment of the invention the detection sensor is located beyond a back-up seal system. In an embodiment of the invention, the sensor and processing electronics are integral to the union housing. In yet another embodiment of the invention, the detection sensor is substantially symmetrically configured to detect leakage into a protected area regardless of orientation of the union. In an embodiment of the invention, the fluid being conveyed is electrically conductive and the detection sensor comprises an electrical conductivity sensor.

Abstract: An apparatus includes a detection element having a detection element property that changes when exposed to a corrosive substance, a testing device coupled to the detection element, the testing device configrued to measure the detection element property, and a processor in communication with the testing device, the processor configured to indicate the presence of the corrosive substance using the detection element property. In an embodiment, the detection element is metal and the detection element property is resistivity. In another embodiment, the apparatus further includes a comparison element coupled to the testing device and shielded from the corrosive substance, the comparison element having a comparison element property, and wherein the processor is configured to compare the detection element property to the comparison element property to determine whether the detection element property is within a predetermined range of the comparison element property.

Abstract: An emission prevention system for use on an open-ended line includes an end-cap and a proximity sensor. The proximity sensor is preferably configured to detect a change in the extent of engagement between the end-cap and the open-ended line. A method of monitoring the engagement of the end-cap and the open-ended line includes the steps of measuring the engagement between the end-cap and the open-ended line with a proximity sensor, producing a position signal representative of the engagement between the end-cap and the open-ended line and transmitting the position signal to an operator terminal. A monitoring network may be established by monitoring a plurality of emission prevention systems.

Abstract: A multi-sensor baby care monitoring system includes a wetness sensor configured to generate a first signal relating to an occurrence of a wetness event relative to a wetness containment device, such as a diaper. The monitoring system further includes a human life sensor configured to generate a second signal relating to a presence or absence of a human relative to the wetness containment device. If desired, a system controller may be used for receiving the first and second signals and generating data associated with the wetness event and the presence or absence of said human.

Abstract: A moisture sensing apparatus, system and method. In general, a surface can be provided, and one or more conductor pairs located in a plane of the surface. Each conductor of the conductor pair(s) is insulated from one another. Water droplets forming on the conductor pair(s) thereby provide a quantifiable measurement of water on the surface. A controller can be electrically connected to the conductor pair(s), wherein the controller provides data indicative of whether or not the conductor pair is shorted.

Abstract: An elongated substantially flat four-conductor moisture detection and location sensor is described. The sensor includes four parallel conductors laminated to a dielectric substrate. Two of the conductors are protected by a water pervious dielectric layer and form the water-sensing element. Two other conductors are covered by a water impervious dielectric layer and are used to loop-back one or more of the water-sensing conductors. Precise location of a water leak location is determined by connecting the four conductors to a resistance bridge. The design allows for the connection of a four-conductor cable to extend the monitoring and detection point to a convenient location without loss of location accuracy.

Abstract: An information transmission system comprising a conductor operable to carry a desired information signal. A first tube substantially surrounds the conductor and a second tube substantially surrounds the first tube to define a substantially fluid-tight chamber therebetween. In another aspect, the invention provides an information transmission system suited to transmit information between a first electronic device and a second electronic device located a distance from the first electronic device. The system includes an information transmission line that connects to the first electronic device and the second electronic device. A conduit surrounds at least a portion of the information transmission line. The conduit defines a substantially fluid-tight chamber. A quantity of fluid is disposed within the chamber and a sensor is positioned to measure a parameter of the quantity of fluid. An indicator is operable to signal a breach condition in response to the measured parameter.

Abstract: An apparatus for monitoring gas flow in a semiconductor manufacturing equipment, includes an exhaust line, a flow amount measuring unit, and a controller unit having a first input electrically connected to the flow amount measuring unit and a second input having a predetermined reference value, the controller unit having the capability of comparing data in the first input to the predetermined reference value in the second input and generate a signal when the data in the first input exceed the predetermined reference value. The apparatus of the present invention may be incorporated into a gas delivery system employed in semiconductor manufacturing to detect gas leaks.

Abstract: An electronic monitoring system is provided to monitor for and sense water leakage at multiple locations and sources within a commercial or residential property. These sources are hot water heaters, hot water boilers, air conditioning system evaporators, washing machines and sinks. The microprocessor based control will determine the location of the leak, sound a local audio and visual alarm to denote an alarm condition and illuminate appropriate LED's on the face of the control to indicate the location and type of water leak within the structure being monitored. The system consists of multiple water sensors, a host control for data collection and system operation, an internal battery for system power, provision for connection to telephone service, with the ability to call a pre-programmed pager or telephone number to deliver synthesized voice or prerecorded voice data to indicate the address of the property, the day, date and time of the alarm and the type of leak detected.

Abstract: Embodiments of the present invention feature a method and apparatus for detecting defects, such as, leaks, component failure and adverse performance. One embodiment of the present apparatus for pumping fluid comprises a pumping chamber having an inlet and an outlet powered by a motor. The motor operates in pumping mode upon receiving a pumping signal. The apparatus further comprises at least one inlet valve in fluid communication with the inlet of the pumping chamber. And, the apparatus comprises a switchable valve in fluid communication with the outlet of the pumping chamber. The switchable valve has a closed position and an open position, and assumes the closed position upon receiving a close signal. A pressure measuring device is in fluid communication with the pumping chamber, between said inlet valve and switchable valve. The pressure measuring device determines a minimal pressure and first threshold pressure at a first time and a second threshold pressure at a second time.

Abstract: A 3D liquid detection sensor, liquid-sensitive building material, and liquid detection systems have been provided. The 3D sensor comprises a 3D liquid detection field and an electrical connector to supply a resistance measurement responsive to liquid in the detection field. In one aspect, the 3D liquid detection field includes a first plurality of pins having a distal end electrically connected to a first electrical contact of the electrical connector, and a second plurality of pins having a distal end electrically connected to a second electrical contact. In one aspect, each pin includes a building material attachment barb attached to a pin proximal end. This permits the sensor to be fixedly mounted in drywall or ceiling tile, for example. More specifically, the 3D detection field may include a dielectric sheet (either rigid or flexible), and electrically conductive traces formed overlying the dielectric sheet, with pins extending from the traces.

Abstract: Method of monitoring water conservation in an apartment complex by positioning infrared cameras with motion sensors in the clean outs of the waste water discharge lines leading to public sewer systems wherein each camera image is displayed on a computer screen and the motion sensors, which start and stop the digital video recorders (DVR), are adjusted by circumscribing the area of the camera image and the pixel sensitivity setting for motion sensors activation, which triggers the DVR recordings. In this arrangement the intermittent or constant flow of waste water is detected in real time indicating normal or abnormal flow of waste water, respectively. Further, an infrared camera may be positioned on the apartment complex side of the water meter to determine in real time if water is being supplied to the complex and the waste water flow out is little or none then loss of water outside the plumbing system from overflowing commodes, tubs, lavatories or broken pipe is indicated.

Abstract: A urinous wet alarm to detect a soaked diaper and generate an audio alarm to alert replacement includes a shell to house a test IC. The test IC connects to a lithium battery, a thin alarm speaker and one end of a sensing unit which is a pliable, elongate, narrow and thin plate and has a detection circuit consisting of two conductive wires of opposite polarity extended from the shell. The sensing unit may be inserted into a test insertion hole formed on a diaper during production. Urine soaked the fluid absorption layer of the diaper makes the conductive wires conductive, and the test IC determines the urine overflow condition to activate the thin alarm speaker to generate an audio alarm.

Abstract: A system for detecting water leaks is described. In one embodiment, the system includes a plurality of sensors, selected from a moisture sensor, a water level sensor, and/or a water temperature sensor. A processor collects moisture readings from the sensors. In one embodiment, the processor reports a possible water leak when a moisture sensor detects moisture above a moisture threshold value. In one embodiment, the processor report a water leak when the water level reading exceeds a water threshold value and/or when the temperature reading exceeds a temperature threshold value.

Abstract: A water detecting system of a portable electric device comprises a housing, an electronic circuitry board, a battery electrically connected to the electronic circuitry board for providing electrical power to the electronic circuitry board, and at least one pair of electric terminals, the pair of electric terminals comprising one positive terminal and one negative terminal located in close proximity to the positive terminal. When the pair of electric terminals are electrically conducted, a current runs through the pair of electric terminals. The water detecting system also comprises a current detector electrically connected to the pair of electric terminals for detecting if the current running through the pair of electric terminals exceeds a threshold level, and a switch connected to the current detector and the battery for disconnecting the battery from the electronic circuitry board when the current exceeds the threshold level.

Abstract: The present invention relates to a sensor apparatus configured to detect the presence of a gas, such as a tracer gas and a leak detection apparatus configured to detect the present of a tracer gas and indicate the location of a leak. The sensor apparatus includes multiple sensors, each of which is a metal halide sensor. The leak detection apparatus may further be configured to quantify the leak rate at the leak location.

Abstract: An apparatus, system, and method provide drying procedure information through a user interface. A monitoring device transmits drying procedure data measured by sensors within a structure undergoing the drying procedure to a server. In response to requests received through a communication network from a user interface, the server transmits the drying procedure information that is presented through the user interface. A variety of information and services related to the drying procedure may be provided through the user interface.

Abstract: Among plural liquid leakage sensors placed at the lower most portion of a system such as a floor surface, a leaked liquid storing portion, etc., an error-activated location of the sensor can be easily identified uniquely when the sensor is detecting any abnormality. In a liquid leakage detecting system including at least one liquid leakage sensor having at least one detecting portion contactable with a leaking liquid through an air layer or a liquid permeable layer, a warning device including a sound producing is placed within a specified spatial distance from each installation position of the liquid leakage sensor, wherein after detecting any abnormal conditions of the liquid leakage sensor, a warning signal is issued at least in an audio frequency based on the warning device in order to discriminate the error-activated leakage sensor from other non-activated leakage sensors placed outside of the specified spatial distance and uniquely identify the installation position of the activated leakage sensor.

Abstract: A battery operated moisture indicator for selective attachment to an existing diaper worn by a baby, having an audible alarm and having a liquid crystal display bulb, for providing an audible alert and a visual alert, respectively, when the diaper has been wet by the baby. The circuit includes a mechanism for selectively activating the alarm and the liquid crystal display bulb when an aqueous electrolyte-containing solution has wetted the diaper. The moisture indicator is provided with a diaphanous sac having a clip for selectively attaching the moisture indicator to the external surface of the front of an existing diaper, thereby providing a moisture indicator that is comfortable for a baby to wear.

Abstract: Disclosed herein is an electronic apparatus that comprises a housing, and a circulating path. A heat-generating component is contained in the housing. Liquid coolant for cooling the heat-generating component flows through the circulating path. The circulating path has a first connecting end and a second connecting end connected to the first connecting end. The junction between the first connecting end and the second connecting end is covered with a coolant-absorbent member. The electronic apparatus further includes a leak detection system to alert the user of a fluid leak within the apparatus and a liquid absorption means to absorb any leaking fluid.

Abstract: An automated device monitors moisture content in exterior sheathing of a building for detecting moisture intrusion into the sheathing walls. A plurality of moisture sensors are embedded in selected exterior walls of the building behind the cladding and are adapted to provide signals representative of the moisture content in the walls at each of the selected locations. A control unit is operatively connected with each of the plurality of moisture sensors for generating an alarm signal when at least one of the signals representative of the moisture content in the plurality of walls is indicative of a moisture content in excess of a predetermined threshold value.

Abstract: A liquid sensor device, system and method depends on the structural deformation of a trigger material in contact with a liquid, such as water, to convert potential energy of a resilient material to kinetic energy that triggers a mechanical response in an activated state. A transfer arm is biased toward the activated state and may be retained in a deactivated state, against urging of a spring, by a trigger material that may be structurally rigid while substantially dry. Upon contact with a liquid, such as water, the trigger material may relinquish structural rigidity and be substantially deformed. Upon substantial deformation of the trigger material, the transfer arm may be urged into the activated state by activating a locking mechanism or electronically, such as by activating a switch such as a micro switch. In the activated state, the triggered mechanical response may activate an alarm, and may trigger an electrical response to close a valve, such as a natural gas valve on a gas-heated hot water tank.

Abstract: The leak detection system encompasses the use of a fluid monitoring device equipped with transmission capabilities and a data acquisition device. The fluid monitoring device monitors consumption of a fluid over a predetermined time period to obtain a consumption value. The fluid monitoring device then compares the consumption value against a pre-established threshold value. If the consumption value is less than the threshold value, the fluid monitoring device produces a leak indication. The fluid monitoring device transmits the leak indication, which is received by the data acquisition device.

Abstract: A variable differential adjustor for a fluid pressure-actuated switch, with the fluid, in the preferred form of the invention, being air. The restrictor has a restrictor housing with a fluid passage in which a restrictor plug, typically a set screw, is engaged. By judicious adjustment of the position of the set screw, fluid flow to and from a pressure-actuated switch is controlled, controlling when the switch is activated to control apparatus such as a sump pump, and when the switch is deactivated.

Abstract: A fluid leak detection device includes a platform having at least one fluid concentration zone forming a fluid detection area. Two electrically conductive members are positioned in the fluid concentration zone such that a gap is formed between the electrically conductive members. A fluid detector is coupled to the electrically conductive members and is configured to generate a fluid detection signal in response to the presence of a fluid between the electrically conductive members. A notification system is coupled to the fluid detector, wherein the notification system is activated in response to the fluid detection signal.

Abstract: An apparatus for sensing the presence of a conductive fluid on an upwardly facing generally planar surface of a floor, and a method of installation thereof. The apparatus includes an electrically insulating base dimensioned for installation under the floor such that the upwardly facing generally planar surface is maintained generally planar upon completion of the installation, The apparatus further includes first and second sensing conductors connected to the base and extending therefrom in generally parallel, spaced apart relation and being operable to be inserted into respective openings extending through the floor from a base contacting surface of the floor to the upwardly facing generally planar surface. Conductive fluid on the upwardly facing generally planar surface, in contact with and between the first and second conductors, is operable to conduct an electric current supplied by a sensing circuit connected to the first and second conductors.

Abstract: A pilot operated shutoff valve system with leak detector for automatically shutting off a water supply to appliances such as a clothes washing machine, dishwashing machine, sink, toilet, or refrigerator equipped with an ice maker, comprising a sealing member movable within said valve body between an open position wherein the sealing member does not block main fluid flow, and a closed position wherein the sealing member blocks main fluid flow.

Abstract: A submersible turbine pump includes a power head enclosed in a casing. A vacuum source associated with the submersible turbine pump draws a vacuum in the interior space of the casing. A pressure sensor may be used to monitor the vacuum in the interior space to detect a leak in the power head or the casing. If a leak is detected, an alarm may be generated and the submersible turbine pump may be deactivated.

Abstract: The present invention involves a system and method for detecting a graffiti-making act such as the spray of a spray paint can, the writing with a felt-marker pen on a surface, and the scratching with an abrasive instrument on a surface. The system includes one or more sensors adapted to sense the graffiti-making act and transmit a signal representative of the graffiti-making act, and a base unit including electronics adapted to process the signal and determined whether the signal represents a graffiti-making act, and a communication device coupled to the electronics and adapted to communicate to one or more entities that a graffiti-making act has been detected. The method includes sonically detecting the graffiti-making act, and initiating an alarm indicating that the graffiti-making act took place.

Abstract: A system for monitoring leaks in dwellings that includes a sensor which detects water flow. The system determines that a leak is occurring when water has flowed through a water line for longer than a preselected period of time. A central monitoring system receives a signal from a local system and the central monitoring system has an associated record for each dwelling to thereby allow flexible response to correct the leak.

Abstract: An underground storage system includes a primary containment unit and a secondary containment unit arranged to sealingly encompass the primary containment unit. The underground storage system further includes a leak detection system which is fluidly connected to the secondary containment system, and which is adapted to detect fluid leaks in the primary containment system and the secondary containment system.

Abstract: A pump housing that contains a pump that draws fuel from an underground storage tank containing fuel to deliver to fuel dispensers in a service station environment. The pump is coupled to a double-walled fuel pipe that carries the fuel from the pump to the fuel dispensers. The double-walled fuel piping contains an inner annular space that carries the fuel and an outer annular space that captures any leaked fuel from the inner annular space. The outer annular space is maintained through the fuel piping from the pump to the fuel dispensers so that the outer annular space can be pressurized by a pump to determine if a leak exists in the outer annular space or so that fuel leaked from the inner annular space can be captured by a leak containment chamber in the pump housing.

Abstract: An apparatus for incontinence detection and notification comprises a notification component, for providing notice that an incontinent event has occurred, and a sensor. The sensor includes a sensing pad for collecting and retaining fluid resulting from the incontinent event, and a circuit housed within the sensing pad. The circuit has a pair of stainless steel electrodes, which are in electronic communication with the notification component. A closed circuit is created between the electrodes by the fluid resulting from the incontinent event, causing an electronic signal to be communicated to the notification component. The circuit may also include a plurality of connectors placed in electronic communication with the notification component to diagnose a disconnected or poorly connected circuit.