NASA NTRS · 20080012221
Long stroke pump
Abstract
A very high pressure pump apparatus which minimizes wear on the seals thereof and on valves connected thereto, by utilizing a very long stroke piston rod whose opposite ends are received in long cylinders. An electric motor which drives the rod, includes a rotor with a threaded aperture that receives a long threaded middle portion of the rod, so that as the rotor turns it advances the rod.
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Perkins, Gerald S., Moore, Nicholas R.. 1979-03-20. Long stroke pump. https://ntrs.nasa.gov/citations/20080012221
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