GB514153A - Improvements in or relating to ships' logs or other flow meters - Google Patents

Improvements in or relating to ships' logs or other flow meters

Info

Publication number
GB514153A
GB514153A GB751638A GB751638A GB514153A GB 514153 A GB514153 A GB 514153A GB 751638 A GB751638 A GB 751638A GB 751638 A GB751638 A GB 751638A GB 514153 A GB514153 A GB 514153A
Authority
GB
United Kingdom
Prior art keywords
impeller
source
sensitive device
light
fluid
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
GB751638A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB751638A priority Critical patent/GB514153A/en
Publication of GB514153A publication Critical patent/GB514153A/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
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
    • G01P5/06—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes
    • G01P5/07—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes with electrical coupling to the indicating device

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

514,153. Rotary meters. CHERNIKEEFF, B. March 10, 1938, No. 7516. [Class 110 (ii)] [Also in Groups XX and XL] In a ship's log or flow meter, the impeller drives a member intermittently reflecting radiation from a source to a, radiation sensitive device, the impulses of which indicate the movements of the impeller. As shown, the impeller comprises blades 17 carried by a sleeve 18 which is fixed to a collar 20. The latter is secured on a boss 21 on the shaft 22 which is mounted in bearings 24, 25. The boss 21 has a number of apertures 27 in which suction is created by the flow of fluid past the hollowed collar 20 and reduces the tendency of water to creep into the mechanism. A cylindrical shell 28 enclosing the blades 17 has a reflecting part which intermittently reflects light B passing from a source in the log body 1 to a light sensitive device. In a modification the impeller drives the reflecting member by a magnetic link through a fluid tight diaphragm, so that the light may pass from the source to the sensitive device without passing through a window or a layer of fluid.
GB751638A 1938-03-10 1938-03-10 Improvements in or relating to ships' logs or other flow meters Expired GB514153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB751638A GB514153A (en) 1938-03-10 1938-03-10 Improvements in or relating to ships' logs or other flow meters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB751638A GB514153A (en) 1938-03-10 1938-03-10 Improvements in or relating to ships' logs or other flow meters

Publications (1)

Publication Number Publication Date
GB514153A true GB514153A (en) 1939-11-01

Family

ID=9834624

Family Applications (1)

Application Number Title Priority Date Filing Date
GB751638A Expired GB514153A (en) 1938-03-10 1938-03-10 Improvements in or relating to ships' logs or other flow meters

Country Status (1)

Country Link
GB (1) GB514153A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217539A (en) * 1961-04-07 1965-11-16 Pneumo Dynamics Corp Turbine flow meter
GB2158251A (en) * 1984-04-17 1985-11-06 James Martyn Overton Digital stream meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217539A (en) * 1961-04-07 1965-11-16 Pneumo Dynamics Corp Turbine flow meter
GB2158251A (en) * 1984-04-17 1985-11-06 James Martyn Overton Digital stream meter

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