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  2. Float switch - Wikipedia

    en.wikipedia.org/wiki/Float_switch

    A float switch is a type of level sensor, a device used to detect the level of liquid within a tank. The switch may be used to control a pump, as an indicator, an alarm, or to control other devices. One type of float switch uses a mercury switch inside a hinged float.

  3. Electronic cigarette - Wikipedia

    en.wikipedia.org/wiki/Electronic_cigarette

    A first-generation e-cigarette that resembles a tobacco cigarette, with a battery portion that can be disconnected and recharged using the USB power charger Various types of e-cigarettes from 2015, including a disposable e-cigarette, a rechargeable e-cigarette, a medium-size tank device, large-size tank devices, an e-cigar, and an e-pipe

  4. Gas detector - Wikipedia

    en.wikipedia.org/wiki/Gas_detector

    A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave.

  5. Infrared open-path detector - Wikipedia

    en.wikipedia.org/wiki/Infrared_open-path_detector

    This linear 'sensor' is typically a few metres up to a few hundred metres in length. Open-path detectors can be contrasted with infrared point sensors . They are widely used in the petroleum and petrochemical industries, mostly to achieve very rapid gas leak detection for flammable gases at concentrations comparable to the lower flammable limit ...

  6. Onboard refueling vapor recovery - Wikipedia

    en.wikipedia.org/wiki/Onboard_refueling_vapor...

    The fuel tank filler pipe has a seal, either mechanical or liquid, to stop vapors from escaping the filler tube. A mechanical seal is usually an annular elastomeric material through which the nozzle must pass during refueling, preventing vapors from escaping alongside the nozzle.

  7. Magnetic flux leakage - Wikipedia

    en.wikipedia.org/wiki/Magnetic_flux_leakage

    The axial component of the vector signal is measured by a sensor mounted orthogonal to the axis of the pipe, and the radial sensor is mounted to measure the strength of the flux that leaks out of the pipe. The circumferential component of the vector signal can be measured by mounting a sensor perpendicular to this field. Earlier MFL tools ...

  8. Hydropneumatic suspension - Wikipedia

    en.wikipedia.org/wiki/Hydropneumatic_suspension

    Hydropneumatic suspension is a type of motor vehicle suspension system, invented by Paul Magès, produced by Citroën, and fitted to Citroën cars.The suspension was referred to as Suspension oléopneumatique [] in early literature, pointing to oil and air as its main components.

  9. Space Shuttle external tank - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_external_tank

    The ET from STS-115 after separation from the orbiter. The scorch mark near the front end of the tank is from the SRB separation motors. The Space Shuttle external tank (ET) was the component of the Space Shuttle launch vehicle that contained the liquid hydrogen fuel and liquid oxygen oxidizer.