Doolin et al., 1990 - Google Patents

Sealless magnetic-drive pumps: stronger than ever

Doolin et al., 1990

Document ID
14794792955686572105
Author
Doolin J
Teasdale L
Publication year
Publication venue
Chemical Engineering

External Links

Snippet

275" C, will experience a 15% reduction in torque rating. By comparison, neodymium alloys (such as NeFeB), operating at only 120'C, will experience a 19% torque-rating reduction. In addition to great improvements in the strength of magnet materials, today's magnetic-drive …
Continue reading at search.proquest.com (other versions)

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F04—POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/0633—Details of the bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F04—POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F04—POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F04—POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/048—Bearings magnetic; electromagnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F04—POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/20—Mounting rotors on shafts

Similar Documents

Publication Publication Date Title
US5407331A (en) Motor-driven pump
EP0401761B1 (en) Magnet pump
US8297948B2 (en) Arrangement for delivering fluids
JP5594859B2 (en) Method and apparatus for using an electrical machine to transport fluid through a conduit
US4927337A (en) Magnetically driven pump
JPH05187389A (en) Motor pump
JP4554619B2 (en) Design of supercritical carbon dioxide circulation pump
CN102160257A (en) Axial flux machine
US4487557A (en) Magnetically driven centrifugal pump
CN107100878B (en) Magnetic pump with magnetic suspension bearing
US5708313A (en) Sump pump
US5567132A (en) Seal for pump having an internal gas pump
JP2000303986A (en) Integral motor pump
EP0598500A1 (en) Pump with axial dry gas seal
Doolin et al. Sealless magnetic-drive pumps: stronger than ever
CN1937374A (en) High-temperature-resistance solid-rotor permanent-magnet induction electric-vortex magnetic transmission method and device
KR100190807B1 (en) Magnet pumps
CN2365430Y (en) Permanent magnetic driving centrifugal water pump
US7674089B2 (en) Device and method for guiding at least two flow media
US3027472A (en) Magnetic coupling arrangement
WO1999010655A1 (en) Improvements to rotary pumps
CN101420151A (en) Shielding pump having axial directional permanent magnetic pulling force disk
WO2008028673A1 (en) Liquid-cooled eddy current brake
JP2001077446A (en) Excimer laser
CN2907068Y (en) Permanent magnetic coaxial induction ring asynchronous coupling