This application relates to a leak detector device (100) for detecting an internal leak in a fluid path. The leak detector comprises a housing (110) with a flow passage (120) extending through the housing (110), one or more pairs of temperature sensors (130, 140) for detecting a temperature difference between an outside of the housing (110) and the flow passage (120), one temperature sensor of each pair being arranged towards an outer surface of the housing (110) and the other temperature sensor of the pair being arranged towards an innersurface of the housing (110) that faces the flow passage (120), and an array of electrically conductive wires (150, 160) that extend across the flow passage (120). The array of electrically conductive wires (150, 160) comprises one or more positive polarity wires and one or more negative polarity wires. The application further relates to a corresponding method of leak detection.

In a method for detecting the presence of water or additional water, which exists because of a leak, the following steps are carried out: attaching at least one pair of electrodes to/in an object, to/in the presence of water is to be determined; applying an electrical voltage between the electrodes; testing whether electrical current or electrical current that is increased relative to a basic current flows between the electrodes; and detecting the presence of water in the case of flowing current. When implementing the method, at least two electrodes are used, wherein one electrode can be a ground. The electrodes are arranged separated from one another. DC or AC voltage is applied to the electrodes by a device. The device detects a measured value corresponding to the intensity of the current flowing between the electrodes.

Systems and methods for routing a plumbing line along a wall include tracks having clip-retaining mechanisms and being attachable to the wall; plumbing-retaining members for gripping the plumbing line and being removably anchored to the clip-retaining mechanisms; and covers removably securable to the tracks. The systems and methods can further include a leak detection system comprising strips of conductive material on the tracks, the covers, or both. The strips are connected to a controller configured to detect a short or a voltage change across the strips indicative of a leak in the plumbing line, and to issue an alarm or to shut-off one or more plumbing valves.

A fluid discharge event detection apparatus measures a change in capacitance to detect the presence of a fluid in a sensing conduit where the presence of fluid indicates a discharge event. The apparatus includes a first conduit, the sensing conduit and a control valve, coupled between the first conduit and the sensing conduit. The control valve is configured to activate and fluidly couple the first conduit and the sensing conduit to one another when the control valve detects at least one predetermined condition of a fluid within the first conduit. A sensor, configured to measure a capacitance value, is disposed about the sensing conduit. A controller, coupled to the sensor, is configured to detect a change in the sensing conduit capacitance value and assert an alarm condition upon detection of the change in the sensing conduit capacitance value.

This application discloses a leakage detection apparatus and method, and a cabinet system, and relates to the server field. The apparatus is applied to a cabinet system, the cabinet system includes a plurality of nodes, with each node using a liquid cooling apparatus for heat dissipation. The apparatus includes: a detection circuit, coupled to the plurality of nodes, comprises a plurality of branch circuits for leakage detection of a plurality of liquid cooling apparatuses in the plurality of nodes; and a monitoring device, coupled to the detection circuit and configured to monitor a leakage status of the liquid cooling apparatus in each node, and determine, when leakage occurs in a faulty liquid cooling apparatus, a faulty node where the faulty liquid cooling apparatus resides.

A system configured to detect failure of a hose includes a sensor assembly having a body with a first arm and a second arm pivotally coupled to one another at respective first ends, and the body is configured to move between a closed position and an open position. The sensor assembly also includes a first electrical contact positioned at a respective second end of the first arm and a second electrical contact position at a respective second end of the second arm. The first electrical contact and the second electrical contact are configured to contact one another to form a complete electrical circuit when the body is in the closed position and are configured to be separated from one another to form an open electrical circuit when the body is in the open position to facilitate detection of the failure of the hose.

An electric clip, such as may be utilized with a leak detector, has a base which receives an insert to secure an inserted material, such as a mesh, there between. The insert has an arm with opposing hooks which pass through a first slot in a biased manner and then spring out once through to provide an assembled configuration. The clip can be secured to the material, such as by directing fingers through a second slot in a biased manner which then return once through to retain on a ledge.

Leak detection sensors, appliances configured to detect leaks and methods of detecting leaks are provided. The leak detection sensor is a self-powered leak detection sensor. The leak detection sensor includes a water-permeable medium and at least one electrochemical cell. The electrochemical cell can include a first electrode and a second electrode, and an electrolyte disposed between the electrodes, wherein in a dormant state, the electrolyte is in a solid, dry state. The electrochemical cell can enter an active state when exposed to water. The electrochemical cell can be configured to generate electrical power in the active state. The leak detection sensor can further include a peripheral electronic component configured to receive electrical power produced by the electrochemical cell. The self-powered leak detection sensor is configured for, and related methods include, detecting exposure to water in response to electrical energy generation of the electrochemical cell.

Provided is a liquid leakage detection line including: at least two conductors including a first conductor and a second conductor, in which the first conductor and the second conductor are configured to be electrically connected to each other through a liquid. Each of the first conductor and the second conductor is directly covered by a braid including basalt fibers, or the first conductor and the second conductor are indirectly covered by the braid.

The present invention relates to a method for identifying a leakage in a conduit in which a fluid flows. Said method allows to identify a leakage in said conduit based on the mechanical deformation of a cable comprising inside at least one optical fiber, at a plurality of predetermined points of said cable, when said cable is arranged tensioned inside said conduit. The present invention also relates to a system for identifying a leakage in a conduit.