FR498449A - Improvements to pressure indicator logs - Google Patents

Improvements to pressure indicator logs

Info

Publication number
FR498449A
FR498449A FR498449A FR498449DA FR498449A FR 498449 A FR498449 A FR 498449A FR 498449 A FR498449 A FR 498449A FR 498449D A FR498449D A FR 498449DA FR 498449 A FR498449 A FR 498449A
Authority
FR
France
Prior art keywords
pressure indicator
indicator logs
logs
pressure
indicator
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
FR498449A
Other languages
French (fr)
Inventor
Josna Gabriel Paulin
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.)
JOSNA GABRIEL PAULIN
Original Assignee
JOSNA GABRIEL PAULIN
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 JOSNA GABRIEL PAULIN filed Critical JOSNA GABRIEL PAULIN
Application granted granted Critical
Publication of FR498449A publication Critical patent/FR498449A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/30—Staggered disconnection
    • 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
    • G01P5/17—Coupling arrangements to the indicating device

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
FR498449A 1917-03-08 1919-04-17 Improvements to pressure indicator logs Expired FR498449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE339278X 1917-03-08

Publications (1)

Publication Number Publication Date
FR498449A true FR498449A (en) 1920-01-10

Family

ID=20308327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR498449A Expired FR498449A (en) 1917-03-08 1919-04-17 Improvements to pressure indicator logs

Country Status (3)

Country Link
DE (1) DE339278C (en)
FR (1) FR498449A (en)
NL (1) NL11059C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE768102C (en) * 1938-09-27 1955-06-30 Siemens App Airspeed indicator based on the dynamic pressure principle

Also Published As

Publication number Publication date
NL11059C (en)
DE339278C (en) 1921-07-19

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