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J & S-Stork Pumps: Sealed Motor Pump Units and Turbine Alternator Units

In: Post-Innovation Performance

Author

Listed:
  • Luke Georghiou
  • J. Stanley Metcalfe
  • Michael Gibbons
  • Tim Ray
  • Janet Evans

Abstract

During the 1950s increasing temperatures and pressures in steam-generating plant exposed operating difficulties caused by gland-leakages in circulating pumps. An early solution to this problem was to enclose the pump and electric motor in a single pressure-tight shell, eliminating the need for glands or rotating seals. The shell was filled with water which lubricated and cooled the motor. This design had a fairly low limitation on operating temperature in order to protect the motor windings. The advent of the nuclear power industry in the USA provided a major stimulus to the development of leakproof pumps, because the containment of fission products during possible accidents was so important. Westinghouse developed a ‘canned’ motor-type pump and other firms followed suit. A problem in some applications was the limited temperature range caused by the difficulty of maintaining intact the insulation of the motor windings. There was also a restriction on the pumping of corrosive fluids which could attach the electrical connection and fittings.

Suggested Citation

  • Luke Georghiou & J. Stanley Metcalfe & Michael Gibbons & Tim Ray & Janet Evans, 1986. "J & S-Stork Pumps: Sealed Motor Pump Units and Turbine Alternator Units," Palgrave Macmillan Books, in: Post-Innovation Performance, chapter 16, pages 194-198, Palgrave Macmillan.
    • Handle: RePEc:pal:palchp:978-1-349-07455-6_21
    DOI: 10.1007/978-1-349-07455-6_21
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