4. Rotary kinetic fluid motors or pumps
  5. Working fluid passage or distributing means associated with...
  6. Casing having tangential inlet or outlet

Grundfos a/s

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Centrifugal pump for moving gaseous liquids

Rotary kinetic fluid motors or pumps – Including means for handling working fluid leakage – Leakage through seal between runner or shaft and static part
Patent

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Centrifugal pump unit

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

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Centrifugal pump unit

Pumps – Condition responsive control of pump drive motor – Responsive to change in rate of pump fluid flow
Reexamination Certificate

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Circulating pump unit

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

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Control circuit for an A.C. motor

Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent

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Profile ID: LFUS-PAI-P-179327

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