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  2. Centrifugal switch - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_switch

    In aircraft, a centrifugal switch is used to control the starting and ignition circuits, the governed speed indication circuit and the overspeed protection circuit of the auxiliary power unit. This switch is mounted inside a rotating body. This can be set to activate or deactivate a circuit as the rpm of device increases or decreases ...

  3. Worthington Enterprises - Wikipedia

    en.wikipedia.org/wiki/Worthington_Enterprises

    Worthington Enterprises is the only manufacturer of disposable 1lb propane cylinders in North America, which are sold under the Bernzomatic and Coleman brand. These gas cylinders are commonly used by consumers for soldering, brazing and welding, and to fuel cooking appliances like camp stoves and grills in a variety of recreational settings ...

  4. Johnson Controls - Wikipedia

    en.wikipedia.org/wiki/Johnson_Controls

    The company began as a division of the Coleman Company in 1958 and was acquired by Evcon in 1990, which in turn was acquired by Johnson Controls in 1996. [70] [71] [72] Of the twelve largest American furnace brand names represented at Gas Furnace Guide, the Coleman brand received an average ranking of 3.7 out of 5 stars. [73]

  5. Fault tree analysis - Wikipedia

    en.wikipedia.org/wiki/Fault_tree_analysis

    A fault tree diagram. Fault tree analysis (FTA) is a type of failure analysis in which an undesired state of a system is examined. This analysis method is mainly used in safety engineering and reliability engineering to understand how systems can fail, to identify the best ways to reduce risk and to determine (or get a feeling for) event rates of a safety accident or a particular system level ...

  6. Thermal expansion valve - Wikipedia

    en.wikipedia.org/wiki/Thermal_expansion_valve

    A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible.A basic refrigeration cycle consists of four major elements: a compressor, a condenser, a metering device and an evaporator.

  7. Transistor fault - Wikipedia

    en.wikipedia.org/wiki/Transistor_fault

    Transistor Fault model is a Fault model used to describe faults for CMOS logic gates. At transistor level, a transistor may be stuck-short or stuck-open. In stuck-short, a transistor behaves as it is always conducts (or stuck-on), and stuck-open is when a transistor never conducts current (or stuck-off).

  8. Vacuum furnace - Wikipedia

    en.wikipedia.org/wiki/Vacuum_furnace

    Operating a vacuum heat treating furnace, c. 1959–1962. A vacuum furnace is a type of furnace in which the product in the furnace is surrounded by a vacuum during processing. The absence of air or other gases prevents oxidation, heat loss from the product through convection, and removes a source of contamination.

  9. Centrifugal pump - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_pump

    Another type of self-priming pump is a centrifugal pump with two casing chambers and an open impeller. This design is not only used for its self-priming capabilities but also for its degassing effects when pumping two-phase mixtures (air/gas and liquid) for a short time in process engineering or when handling polluted fluids, for example, when ...

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