4. Motors: expansible chamber type
  5. With motive fluid valve
  6. Relatively movable serial valves

Ronald B. Walters

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Feedback controlled hydraulic valve system

Motors: expansible chamber type – With motive fluid valve – Both inlet and exhaust controlled by motive fluid pressure...
Patent

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Flow sensor

Measuring and testing – Volume or rate of flow – Using differential pressure
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Flow sensor with extended low flow range

Measuring and testing – Volume or rate of flow – Using differential pressure
Patent

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Hydraulic actuator controls

Measuring and testing – Volume or rate of flow – Using differential pressure
Patent

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Hydraulic actuator controls

Motors: expansible chamber type – Constantly applied motive fluid with controlled venting
Patent

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Profile ID: LFUS-PAI-P-915934

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