4. Measuring and testing
  5. Volume or rate of flow
  6. Using differential pressure

Winfield LeRoy Kelley

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Full range-high accuracy air flow sensing device

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

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Method and apparatus for sampling room-air conditions for HVAC c

Measuring and testing – Sampler – sample handling – etc. – Withdrawing through conduit or receptacle wall
Patent

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Profile ID: LFUS-PAI-P-160640

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