GB1143122A - Device for purging pitot tubes - Google Patents

Device for purging pitot tubes

Info

Publication number
GB1143122A
GB1143122A GB21468/66A GB2146866A GB1143122A GB 1143122 A GB1143122 A GB 1143122A GB 21468/66 A GB21468/66 A GB 21468/66A GB 2146866 A GB2146866 A GB 2146866A GB 1143122 A GB1143122 A GB 1143122A
Authority
GB
United Kingdom
Prior art keywords
valves
valve
gas
pressure
atmosphere
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB21468/66A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ajem Laboratories Inc
Original Assignee
Ajem Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ajem Laboratories Inc filed Critical Ajem Laboratories Inc
Publication of GB1143122A publication Critical patent/GB1143122A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
    • G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
    • G01P21/025—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers for measuring speed of fluids; for measuring speed of bodies relative to fluids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/14—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
    • G01P5/16—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid using Pitot tubes, e.g. Machmeter
    • G01P5/165—Arrangements or constructions of Pitot tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/4238—With cleaner, lubrication added to fluid or liquid sealing at valve interface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

1,143,122. Purging Pitot-tubes. AJEM LABORATORIES Inc. 13 May, 1966 [11 June, 1965], No. 21468/66. Heading F2N. A device for maintaining the accuracy of a Pitot tube and manometer system (not shown), comprises a valve 12 for connecting pressure gas to the static side of the Pitot tube, a valve 14 for connecting pressure gas to the pressure side of the Pitot tube and a valve 10 which can connect, or cut off, valves 12 and 14 to and from a source of pressure-gas supplied through valve 26 or, can open them to atmosphere to exhaust the gas from them, there being means for operating all the valves in a sequence to connect the Pitot tube successively to the supply of gas under pressure, the atmosphere and manometer. The valves 10, 12 and 14 are solenoid operated by means of a switch (Fig. 2, not shown) which causes in sequence:-(A) Valve 10 to close the atmosphere vent and open valves 12 and 14 to gas pressure, the latter valves being closed to the manometer whilst the gas purges the Pitot tubes. (B) Valve 10 closes to pressuregas and opens to atmosphere whilst the valves 12 and 14, set as before, allow the pressure to fall in the Pitot tubes. (C) Valves 12 and 14 now close to atmosphere and open to the manometer so that a reading can be taken. The device is housed in a box which can be de-iced electrically.
GB21468/66A 1965-06-11 1966-05-13 Device for purging pitot tubes Expired GB1143122A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US463079A US3380298A (en) 1965-06-11 1965-06-11 Device for purging pitot tubes

Publications (1)

Publication Number Publication Date
GB1143122A true GB1143122A (en) 1969-02-19

Family

ID=23838777

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21468/66A Expired GB1143122A (en) 1965-06-11 1966-05-13 Device for purging pitot tubes

Country Status (2)

Country Link
US (1) US3380298A (en)
GB (1) GB1143122A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174049A (en) * 1977-11-14 1979-11-13 John Sawyer Device for purging pitot and static line tubes
US4498347A (en) * 1983-03-31 1985-02-12 Rockwell International Corporation Fluid flow measuring
US4501288A (en) * 1983-09-16 1985-02-26 Field William J Marine speedometer anti-fouling device
US4611488A (en) * 1985-04-29 1986-09-16 Weingart Mark H Apparatus for clearing the line of a marine speedometer with pressurized gas
US4645517A (en) * 1985-09-20 1987-02-24 Rosemount Inc. Drain manifold for air data sensor
EP0390942B1 (en) * 1989-04-01 1993-02-03 FAG KUGELFISCHER GEORG SCHÄFER Kommanditgesellschaft auf Aktien Device for measuring the dust emission in ducts carrying hazardous dust, particularly chimneys
US4959990A (en) * 1989-04-10 1990-10-02 Morris Robert H Combined mass flow/pitot tube meter
US6203502B1 (en) 1997-03-31 2001-03-20 Pryon Corporation Respiratory function monitor
US6543463B1 (en) 2000-06-30 2003-04-08 Behrooz Jalayer Device for cleaning air lines
WO2003059733A1 (en) * 2002-01-10 2003-07-24 Svm Machining, Inc. Tool for cleaning a watercraft speedometer
US6959610B1 (en) * 2004-02-02 2005-11-01 Bowers James R Manual purge system for instrumentation flow element tubing
US10101356B2 (en) * 2014-02-19 2018-10-16 Eit Llc Instrument and method for measuring low indicated air speed
US11441963B1 (en) * 2021-05-03 2022-09-13 Rosemount Aerospace Inc. Aircraft pressure measurement device including an enhanced cleaning system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1810907A (en) * 1926-04-05 1931-06-23 Edward S Cole Pitot tube connection or rod meter
GB355921A (en) * 1930-08-06 1931-09-03 Nat Federation Of Iron And Ste Improvements in and relating to fluid metering devices
US2016926A (en) * 1934-06-26 1935-10-08 Joss Equipment And Service Cor Apparatus for emptying and cleaning beer and other pipes
US2662402A (en) * 1948-11-22 1953-12-15 North American Aviation Inc Flight test head
US3044908A (en) * 1961-03-15 1962-07-17 United States Steel Corp Method of unclogging powder dispenser

Also Published As

Publication number Publication date
US3380298A (en) 1968-04-30

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