4. Rotary kinetic fluid motors or pumps
  5. With lubricating, sealing, packing or bearing means having...

Jerzy A. Lorett

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Low volume variable rpm submersible well pump

Pumps – Condition responsive control of pump drive motor – By control of electric or magnetic drive motor
Patent

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Reduction of transient thermal stresses in machine components

Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having...
Patent

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Reduction of transient thermal stresses in machine components

Metal deforming – Process – With temperature maintenance or modification
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Thrust balancing device for a progressing cavity pump

Rotary expansible chamber devices – Methods
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Profile ID: LFUS-PAI-P-722311

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