FR526482A - Rotation speed indicator device - Google Patents

Rotation speed indicator device

Info

Publication number
FR526482A
FR526482A FR526482A FR526482DA FR526482A FR 526482 A FR526482 A FR 526482A FR 526482 A FR526482 A FR 526482A FR 526482D A FR526482D A FR 526482DA FR 526482 A FR526482 A FR 526482A
Authority
FR
France
Prior art keywords
rotation speed
indicator device
speed indicator
rotation
speed
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
FR526482A
Other languages
French (fr)
Inventor
Jean Gaupillat
Emile Thinard
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.)
EMILE THINARD
JEAN GAUPILLAT
Original Assignee
EMILE THINARD
JEAN GAUPILLAT
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 EMILE THINARD, JEAN GAUPILLAT filed Critical EMILE THINARD
Application granted granted Critical
Publication of FR526482A publication Critical patent/FR526482A/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
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/02—Devices characterised by the use of mechanical means
    • G01P3/04—Devices characterised by the use of mechanical means by comparing two speeds
    • G01P3/06—Devices characterised by the use of mechanical means by comparing two speeds using a friction gear

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR526482A 1920-10-26 1920-10-26 Rotation speed indicator device Expired FR526482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR526482T 1920-10-26

Publications (1)

Publication Number Publication Date
FR526482A true FR526482A (en) 1921-10-08

Family

ID=8920759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR526482A Expired FR526482A (en) 1920-10-26 1920-10-26 Rotation speed indicator device

Country Status (1)

Country Link
FR (1) FR526482A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754421C (en) * 1938-01-22 1954-04-12 Otto Schlichting Ball friction gears for measuring speeds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754421C (en) * 1938-01-22 1954-04-12 Otto Schlichting Ball friction gears for measuring speeds

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