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US3566676A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid phase analyzer

Assignee: National Aeronautics and Space Administration
•
Filing: 1969-04-17
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Granted: 1971-03-02
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Expires: 1989-04-17
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Abstract

Abstract AN ANALYZER FOR DETERMINING THE RELATIVE AMOUNT OF LIQUID AND VAPOR IN A MIXED PHASE BODY OF FLUID. A HOLLOW CLOSED-END GAGE CONTAINING A HEAT TRANSPORT FLUID AND HAVING ITS WALLS LINED WITH A CAPILLARY WICK IS PARTIALLY INSERTED INTO CONTACT WITH BOTH PHASES OF THE BODY. HEAT IS EXCHANGED WITH THE BODY AND HEAT IS TRANSFERRED FROM THE PORTION IMMERSED IN THE BODY TO AN EXTERNAL PORTION OF THE GAGE. IN ONE EMBODIMENT A THERMOCOUPLE ATTACHED TO THE EXTERNAL PORTION MEASURES A PARAMETER RELATED TO THE HEAT TRANSFERRED AND THEREFORE THE PHASE DISTRIBUTION. IN ANOTHER EMBODIMENT, THE THERMOCOUPLE IS UTILIZED TO MAINTAIN THE WALL TEMPERATURE AT A FIXED TEMPERATURE AND ENERGY INPUT TO A HEATER ASSOCIATED WITH THE EXTERNAL PORTION PROVIDES THE DESIRED PARAMETER.

Inventors

  • 👤 Lance G Hays

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 10:56
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F1/00; G01F1/68; G01F1/74; G01N; G01N25/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-03-01 1974-08-31 1975-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-01 1978-08-31 1979-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-01 1982-08-31 1983-03-02 $7700.00 Window Closed / Lapsed

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