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6696960 |
Hydraulic system with fluid leak warning apparatus
An improved hydraulic system comprises a hydraulic fluid reservoir and a hydraulic circuit assembly comprising lines and hydraulic components. The hydraulic components comprise a hydraulic actuator...
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6690281 |
Water detector and alarm
A water detection device and alarm. The water detection device includes protruding electrodes above and below the device which detect water on a surface below the device, and water dripping from...
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6683535 |
Water detection system and method
A water detection system for detecting water and activating an alarm is provided. The water detection system includes an alarm relay and a water sensor. The water sensor includes a solid state...
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6677859 |
Method and apparatus for detecting a fluid and a temperature
A method and apparatus for detecting a fluid; said method comprising providing one or more oscillators transmitting electromagnetic energy; providing one or more resonant circuits receiving...
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6675826 |
Automatic flood prevention system
A flood prevention system includes a double-latching solenoid valve that shuts off a water supply line in response to a moisture sensor detecting a leak in a plumbing system. The double-latching...
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6662632 |
Lined tank equipped with leak detection and monitoring system
Accordingly, a tank, preferably on a wheeled vehicle such as a railcar or trailer, is provided with a protective liner. Two electrodes are preferably permanently mounted within the tank and...
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6662821 |
System and method for closing an existing valve in response to a detected leak
The invention is system and method for detecting a leak and operating an existing valve in response to the detected leak. In this regard, a receiving unit may be installed on an existing shutoff...
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6662122 |
Method for the controlled proportioning of liquids while dislocating a gas cushion
A method for controlled proportioning of liguids with a postive-displacement device ( 2 ) for dislocating a gas cushion ( 17 ) includes measuring the pressure (p ab ) in the gas cushion ( 17 ) at...
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6650244 |
On-vehicle flood alarm system
An on-vehicle flood alarm system is disclosed to install a water level sensor in the bottom side of the floor of the motor vehicle, which water level sensor works when the motor vehicle's ignition...
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6639517 |
Leak detection mat and system
A water leak detector system with alarm can be used to monitor inaccessible areas under various household appliances and warn of water leaks. A leak detection mat, having base layer of varying and...
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6623630 |
Method and apparatus for monitoring a fluid system
An apparatus for monitoring a fluid system particularly suited for use with high pressure liquid chromatography systems. The apparatus monitors seal leakage as well as the general wellness of the...
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6611769 |
Meter register with programming and data port and meter input resolution factor
An electronic, programmable meter register ( 10 ) includes an input section ( 18, 19, 30 ) for generating pulses in response to units of flow in a water meter, a stored control program ( 46 ), a...
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6608490 |
Packaging with continuous leaktight check
The invention is relative to a leaktight chamber ( 3 ) in which a liquid having electrical characteristics, preferably a conductive liquid, is introduced into a leaktight volume ( 33 ) between the...
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6603403 |
Remote, wetness signaling system
The present invention can provide a monitoring method and system for signaling a predetermined status in an article ( 20 ) having a monitored portion ( 22 ). The monitoring system includes an...
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6577959 |
Fluid level measuring system for machines
A fluid level measuring system for machines which utilizes fluids and has rotating and/or reciprocating elements. The system receives data from sensors as to the measured fluid level and measured...
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6573837 |
Sensor device and an analyzing device specifically adapted to be used in conjunction with diapers for incontinent patients
Sensor device and an analyzing device specifically adapted to be used in conjunction with diapers for incontinent patients, is adapted to transmit the sensed data to a remote analyzing system, the...
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6567006 |
Monitoring vibrations in a pipeline network
The invention relates to acoustic detection of leaks in a pipeline using locally-intelligent, data-adaptive monitors deployed for a period of time. Monitors are initialized by a base station....
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6552647 |
Building environment monitor and control system
A monitor and control system that responds to alarm signals representing different hazardous conditions in an environment having a number of utility service supply lines, such as a home residence....
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6543471 |
Water heater fail safe apparatus
An apparatus for automatically shutting off a water supply to a leaking water heater includes a water-collecting tray adapted to be positioned beneath a water heater, and a float mechanism...
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6530259 |
Fugitive emissions detection system and components thereof
The present invention relates to detection and alarm systems for predicting and detecting the location of spills, leaks, emissions, and/or pollution sources, i.e., unwanted fluid (liquid/gas)...
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6529547 |
Storage and reproduction method and apparatus
Digital audio recording equipment is used to record modulated signals, such as the RF test signals generated by test modems. If the modulated signals are outside the audio frequency range, they are...
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6513542 |
Liquid supply or drain pipe equipped with a leakage detector
A liquid supply/drain conduit system that is equipped with an inner leakage detector and a liquid process tank that is equipped with such liquid supply/drain conduit system are disclosed. The...
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6508266 |
Diaphragm valve
A diaphragm valve can properly mount a peripheral portion of a diaphragm over the entire periphery and reliably establish a seal between the peripheral edge portion on a liquid side of the...
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6489894 |
Leak detection device for double-wall pipeline systems and container systems
A leak detection device for double-wall pipeline or container systems has a leak detector with a vacuum pump, a pressure-dependent switch for the vacuum pump, and an alarm device. The leak detector...
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6489895 |
Fail-safe leak detection and flood prevention apparatus
A fail-safe leak detection and flood prevention apparatus includes an induced current, transconductive darlington amplifier and tuned-frequency standing water detector mounted at a lowest point of...
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6484564 |
Liquid leakage sensor, paper for detecting liquid leakage, and holder for detecting liquid leakage
A liquid leakage sensor, paper for detecting liquid leakage, and holder for detecting liquid leakage stably and reliably without being affected by bubbles when a large volume of liquid leaks at...
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6476723 |
Insulating oil leak containment
Insulating oil in electric power transmission devices such as a transformer is filtered for removal of accumulated water and carbon particles. The filter and circulation pump are usually located in...
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6457483 |
Process and fixture for ascertaining pressure losses
In a fixture for ascertaining pressure losses in a pressure line ( 3 ) which can be blocked for a selectable unit of time by means of shut-off valves ( 11, 13 ), in which the consumers ( 4, 5 ) are...
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6452500 |
Hydrocarbon sensing apparatus
An apparatus for monitoring presence of hydrocarbon-based fluid is disclosed. It includes a body and a sensing cable mounted on the body in a wave-like shape, thus forming a plurality of sensing...
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6445304 |
Medical alarm system
A monitoring and alarm system for detecting excessive bleeding from medical patients and for alerting medical attendant(s) thereof, the system comprises a relatively thick sheet-like base of...
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6437695 |
Method for capacitive object recognition in vehicles
In a method for capacitive object recognition in vehicles, two capacitive electrodes are charged with alternating voltage and the presence of an object is detected by the change in the capacitance...
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6437694 |
Air controlled sensor
The invention is directed to a system for detecting the presence or absence of a blocker to an air code flow. The system comprises an active air code generator, a sensor element through which an...
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6415650 |
Method for operating helium leak indicator and the application of this method to helium leak indicators
Method for operating, a helium leak indicator ( 1 ) consisting of a helium detector ( 4 ) with evacuation devices comprising at least a high-vacuum pump ( 6 ), a backing pump ( 9 ) and a valve ( 16...
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6404343 |
Water leakage monitoring apparatus
A water leakage detecting apparatus is capable of detecting water leakage of a water pipe precisely and at low cost. The water leakage monitoring apparatus includes vibration/electric converter for...
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6404345 |
Electrical system
An electronic system with a control box. Pressure sensors are coupled to the electrical lines to determine and display pressure. Flow metering devices are coupled to the electrical ines to...
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6384728 |
Personal care monitoring system
A personal care monitoring system having at least one condition detecting sensor and a corresponding condition indicator. The condition detecting sensor may indicate detection of wetness, such as...
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6374863 |
Double walled tube with leak display device
The invention relates to a tube arrangement, comprising at least the following components: a flexible double casing tube, with an inner tube ( 1 ) and an outer tube ( 2 ), forming a ring gap ( 3 )...
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6374187 |
Underground storage tank monitoring system and method
An underground storage tank monitoring system and method uses special micropower impulse radar probes, with one such probe being inserted into each storage tank. The micropower impulse radar probes...
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6369714 |
Water leak detection and correction device
A water leak detection apparatus comprises a sensor, a control unit and a valve module. The sensor is adapted to be placed below a water line or coupling. The valve module is positioned as far...
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6363774 |
Method and apparatus for brake leak detection
A vehicle brake leakage detector installs between a vehicle brake pedal and a reference point such as a steering wheel, for testing vehicle hydraulic brake systems, and, specifically, for detecting...
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6362741 |
Leak detector
A portable leak detector includes a housing having an inlet and an outlet each in fluid communication between an interior and an exterior of the housing. A gas sensor, having a property that...
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6362742 |
Safety float device for air conditioning units
A safety float device for air conditioning units for providing easy and convenient installation of a switch to air conditioning systems. The safety float device for air conditioning units includes...
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6354322 |
Electric valve universal retrofit configuration having misalignment correction
A retrofittable electric valve operating mechanism is provided which can be attached to an existing manual valve configuration while still allowing the manual feature of the valve to be utilized in...
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6348869 |
Pipe leak detection
A pipe leak testing arrangement which includes a device having sealing bags joined by a coupling. When inflated, the bags form a seal volume chamber. The bags may not form a perfect seal, and as a...
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6348870 |
Melt spill indicator device
An apparatus for determining a melt spill during Czochralski crystal growing processes, having a sensor or detector that allows the creation or cessation of a signal when the presence of melt spill...
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6339951 |
Leak detection and structural assessment
An apparatus for detecting structural integrity and localizing leaks from fluid storage holding structures, such as fuel supply storage tanks and fluid carrying pipelines. The invention comprises...
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6326894 |
Pipeline leak monitoring system
A notification system for monitoring and detecting the integrity of an expansion joint and delivering an indication of the expansion joint's integrity to a remote location. The preferred embodiment...
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6323774 |
Portable excess water usage control and alarm system
A monitor, shutoff control, and alarm for use with an inlet water supply obtained from a municipal water supply to prevent excessive usage of water due to leakage or human error, that includes a...
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6317540 |
Energy cable with electrochemical chemical analyte sensor
An optical fiber or electrical power cable with at least one electrochemical chemical analyte sensor which includes a conductive polymer which extends longitudinally along the length of the cable....
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6310555 |
Water leak detector
A system for the detection of the presence of undesirable moisture and drops or droplets of liquid effusing from piping systems at the first stage of appearance, comprising a low-battery alert,...
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