4. Pumps
  5. Condition responsive control of pump drive motor
  6. With condition responsive control of pump fluid valve

Qinghai Yang

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Actuator control circuit

Motors: expansible chamber type – With motive fluid valve – Relatively movable serial valves
Reexamination Certificate

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Method and system for preventing incontinent liquid drip

Pumps – Condition responsive control of pump drive motor – With condition responsive control of pump fluid valve
Reexamination Certificate

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Pressure/flow rate control valve

Fluid handling – Line condition change responsive valves – Bi-directional flow valves
Reexamination Certificate

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Pressure/flow rate control valve

Fluid handling – Convertible – Reversible check
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2061593

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