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7387014 |
Vacuum generator for vacuum-decay leak testing the evaporative emissions system of a motor vehicle
A compact (e.g., hand held) vacuum generator having particular application for creating a vacuum within the evaporative emissions system (e.g., a gas tank) of a motor vehicle so that a vacuum-decay...
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7387012 |
Leak detection sensor system and method for double carcass hose
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....
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7360401 |
Leak detector for evaporated fuel
An evaporated fuel leak detector detects leakage of an evaporated fuel generated in a fuel tank. The detector includes: a differential pressure valve, a pump for sucking a detection port side to...
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7343251 |
Method to detect a hydrogen leak in a fuel cell
In one aspect, there is disclosed a method of detecting a hydrogen leak in a fuel cell system, including the steps of (a) calculating a mass of hydrogen in a fuel tank, HT new, at a time step, (b)...
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7325442 |
Leak testing device with a permanent coupling
A leak testing device to be positioned adjacent one or more conduits comprises a generally cylindrical body defining a recess therein and including first and second end portions for cooperating...
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7322228 |
Evaluating the leaktightness of a device for storing fuel gas under high pressure
The system for evaluating leaktightness is applied to a gas storage device for storing high pressure fuel gas delivered from a filling station via a filler hose connected to the gas storage device,...
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7299681 |
Method and system for detecting leak in electronic devices
The methods and systems for testing electronic devices for leak detection are provided. In one method of detecting a leak in a sealed package, a sealed package is placed in a test gas environment,...
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7283913 |
Method of executing a leak control system, and a leak control system for performing the method
The invention relates to a leak control system ( 1 ) in two-stringed pipe installations and a method of executing a leak control system comprising one stop valve ( 2 ) with an associated flow meter...
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7271721 |
Protected distribution system
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...
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7251983 |
Secondary containment system and method
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...
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7240574 |
Sensors carrier for in-tube inspection scraper
A sensor carrier for an in-tube inspection scraper has setting places for installation of monitoring sensors responsive to any diagnostic parameters of a pipeline being inspected. The carrier...
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7239246 |
System and method for detecting water leakage
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...
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7231813 |
Leak detector for evaporated fuel
An evaporated fuel leak detector detects leakage of an evaporated fuel generated in a fuel tank. The detector includes: a differential pressure valve, a pump for sucking a detection port side to...
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7231812 |
Conduit breach location detector
A conduit breach location detector for detecting leaks in a conduit is disclosed. The conduit breach location detector includes a shuttle cage for connection to the conduit. A sounding shuttle is...
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7210336 |
Gas link leak evacuation and monitoring system
An apparatus and method for evacuating gas from the soil surrounding a leaking gas conduit utilizes non-sparking and static dissipating components to reduce the risk of an explosion. The evacuation...
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7203322 |
Acoustic detector with noise cancellation
An acoustic detector that includes active noise cancellation is presented. An acoustic detector converts sound waves, which include sound waves of interest as well as noise, to an electronic...
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7194894 |
Advanced HIT skid data collection
An Advanced Data Logging kit for testing a generator's liquid cooled stator bar system for leaks is disclosed. The kit is installed in between the generator's header and the HIT Skid and in the...
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7194893 |
Temperature correction method and subsystem for automotive evaporative leak detection systems
A method and sensor or sensor subsystem permit improved evaporative leak detection in an automotive fuel system. The sensor or sensor subsystem computes temperature-compensated pressure values,...
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7185529 |
Shower station testing assembly for pressure testing plumbing
The present invention provides a testing assembly for pressure testing a plumbing system in a building where the building has a shower station with a drain and a shower inlet. The testing assembly...
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7181954 |
Refrigerant leak detector compressor
A motor control unit 107 that controls a drive device 100 of a brushless DC motor 101 of a compressor 12 in a refrigerator 1 determines that a flammable refrigerant is not leaking when it...
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7174771 |
Leak detection system
A leak detection system capable of automatically detecting a leak in a pressurized piping system. A pressure decay test is utilized to test for leaks in the piping system. Disruption to users of...
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7155961 |
Bleed leak detection system
A leak detector for an insulated duct carrying pressurized hot air comprises a cuff secured over a circumferential cut in the insulation of the duct, thereby creating a reservoir of hot air which...
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7140235 |
Leak detection system for a vehicle fuel tank
A leak detection system for a vehicle fuel tank includes a sensor that is responsive to a pressure within the fuel tank and that generates a pressure signal based thereon. A control module...
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7134322 |
Locating one or more leaks in a power generating system while the power generating system is online
In one embodiment, a method for locating one or more leaks in a power generating system while the power generating system is online includes adding a detectable gas to a cooling system of a power...
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7127937 |
Method for leak detection in gas feeding systems with redundant valves
A method for detecting leaks in a fuel cell system that includes a hydrogen storage tank, a primary shut-off valve and a secondary shut-off valve in a supply line. At shut-down, the primary...
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7118137 |
Testable pipe joint
A locking ring-type pipe joint has a spigot ring provided on a first pipe section, a bell ring provided on a second pipe section, and a locking ring that may be contracted to engage the spigot ring...
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7114516 |
Leak-detecting check valve, and leak-detection alarm system that uses said check valve
One object of the present invention is to monitor water pipes regularly and to detect water leaks by using basic equipment and to provide a device that generates an alarm when a leak occurs. The...
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7111636 |
Leak container for fuel dispenser
A leak collection chamber is provided inside the housing of a fuel dispenser. The leak collection chamber collects any leaked fuel from fuel handling components inside the fuel dispenser so that...
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7104278 |
Leak container for fuel dispenser
A leak collection chamber is provided inside the housing of a fuel dispenser. The leak collection chamber collects any leaked fuel from fuel handling components inside the fuel dispenser so that...
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7082959 |
Shutoff valve system with leak detector
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...
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7080546 |
Secondary containment leak prevention and detection system and method
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...
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7076994 |
Power head secondary containment leak prevention and detection system and method
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...
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7066010 |
Hydrostatic test system and method
A system and method of hydrostatic testing a pipeline that is not in service, according to which the pipeline is hydrostatically pressurized and a portable remote telemetry unit is temporarily...
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7051576 |
Secondary containment leak prevention and detection system and method
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...
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7043966 |
Quality control systems for detecting leaks of gaseous or liquid materials from closed containers
A system for testing systems which are in turn used to test the leaktightness of a hollow body is suggested. Instead of the hollow body, a test body ( 2 ) is placed in the system which generates a...
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7024919 |
Pressure measuring method and device
The invention provides a pressure measuring method and device that are capable of easily measuring the volume of a pipe that is an object of inspection and of eliminating the influences of a change...
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7011102 |
Contained pipeline system with brine filled interstitial space and method for detecting leakage in same
A contained pipeline and leak detection system having a plurality of pipeline sections adjoined to one or more fluid reservoirs, and a method of detecting leakage in the system are provided. Each...
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7010961 |
Power head secondary containment leak prevention and detection system and method
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...
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7007545 |
Method and measurement probe for the performance of measurements in water supply systems
Measuring elements for the output of measured quantities in respect of the flow, namely the flow quantity and direction, the water pressure and the flow noise are integrated in a measurement probe...
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7001640 |
Apparatus and method for forming deposited film
The object of the present invention is to provide an apparatus and method for forming a deposited film which can repeatedly form a large amount of functional deposited films with good...
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6978661 |
Secondary containment leak prevention and detection system and method in fuel dispenser
A vacuum generator that is coupled to a double-walled fuel supply piping internal to a fuel dispenser that carries the fuel from the underground storage tank to the hose and nozzle of the fuel...
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6970808 |
Realtime computer assisted leak detection/location reporting and inventory loss monitoring system of pipeline network systems
There is provided a method for detecting and locating leaks in a pipeline network in real-time. A flow model is provided that characterizes flow behavior for at least one of steady and unsteady...
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6970775 |
Method of tank leak diagnosis
A method of tank leak diagnosis in a tank ventilation device including a fuel tank which is connected at least indirectly through a storage and tank ventilation valve with a suction pipe of an...
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6966218 |
Apparatus for detecting leakage in an evaporated fuel processing system
An apparatus for determining leakage in an evaporated fuel processing system is provided. The evaporated fuel processing system extends from a fuel tank through a canister to a purge passage...
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6948551 |
Method for leakage control and localization of leakages in the internal faces of heat exchangers
A method for leakage control and localization of leakages in a plate heat exchanger includes supplying a solution containing a fluorescent colorant to one of either a primary passageway or a...
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6935356 |
Underground storage tank metering system in a service station environment
A meter coupled in close proximity to an underground storage tank fuel pipe that delivers fuel from the underground storage tank to fuel dispensers in a service station environment. The meter...
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6935160 |
Water leakage detecting system for liquid pipe and method thereof
The present invention discloses water leakage detecting system for liquid pipe and method thereof. The present invention provides the present status for all liquid pipes by installing more than one...
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6923043 |
Method and device for detecting a leak in a heat exchanger, especially a plate-type heat exchanger
The invention relates to a device for detecting a leak between two circuits of a plate-type heat exchanger ( 1 ) provided with means for filling two circuits with fluid at a different pressure,...
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6889538 |
Monitoring system for leak prevention and detection
A monitoring system for leak prevention and leak detection in a pipe line through which a liquid, particularly a petroleum product, passes. The system includes a fitting having two ports. Both...
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6886388 |
Contiguous double containment underground storage tank fueling system and methods for detecting leaks therein
A penetration fitting for forming a sealed connection between a conduit and a containment structure in an underground storage tank fueling system is provided that includes a main fitting element...
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