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  2. Diaphragm pump - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_pump

    The basic working principle of an air-operated double diaphragm pump. Cross-section sketch of diaphragm fuel pump Air-operated double diaphragm pump. A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve ...

  3. Diaphragm (mechanical device) - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_(mechanical_device)

    In mechanics, a diaphragm is a sheet of a semi-flexible material anchored at its periphery and most often round in shape. It serves either as a barrier between two chambers, moving slightly up into one chamber or down into the other depending on differences in pressure , or as a device that vibrates when certain frequencies are applied to it.

  4. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    Diaphragm pumps have the advantage that they pump relatively lightly due to the lack of pulling rods and are corrosion resistant. Their disadvantage is that they need a specific length of tubing and high quality rubber diaphragms, which are costly and are relatively inefficient due to the extra work needed to deform the diaphragm.

  5. Circulator pump - Wikipedia

    en.wikipedia.org/wiki/Circulator_pump

    Circulator pumps as used in hydronic systems are usually electrically powered centrifugal pumps. As used in homes, they are often small, sealed, and rated at a fraction of a horsepower, but in commercial applications they range in size up to many horsepower and the electric motor is usually separated from the pump body by some form of ...

  6. Respiratory pump - Wikipedia

    en.wikipedia.org/wiki/Respiratory_pump

    The respiratory pump is a mechanism to pump blood back to the heart using inspiration. It aids blood flow through the veins of the thorax and abdomen.. During inhalation, the volume of the thorax increases, largely through the contraction of the diaphragm, which moves downward and compresses the abdominal cavity.

  7. Is gnocchi healthier than pasta? It depends on 2 things ... - AOL

    www.aol.com/gnocchi-healthier-pasta-depends-2...

    "They're both going to be your sources of carbohydrate and starch," she says. Protein. While gnocchi has slightly fewer carbohydrates than pasta, you also "lose some of the protein" that you'd ...

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