FR20121E - Rotation speed indicator - Google Patents

Rotation speed indicator

Info

Publication number
FR20121E
FR20121E FR20121DA FR20121E FR 20121 E FR20121 E FR 20121E FR 20121D A FR20121D A FR 20121DA FR 20121 E FR20121 E FR 20121E
Authority
FR
France
Prior art keywords
rotation speed
speed indicator
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
Other languages
French (fr)
Inventor
Jules Masson
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.)
TELEGRAPHES E BELIN SOC D
Original Assignee
TELEGRAPHES E BELIN SOC D
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 TELEGRAPHES E BELIN SOC D filed Critical TELEGRAPHES E BELIN SOC D
Application granted granted Critical
Publication of FR20121E publication Critical patent/FR20121E/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
    • G01P3/26—Devices characterised by the use of fluids
    • G01P3/34—Devices characterised by the use of fluids by using friction effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR20121D 1912-10-24 1915-09-18 Rotation speed indicator Expired FR20121E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR451366T 1912-10-24
FR20121T 1915-09-18

Publications (1)

Publication Number Publication Date
FR20121E true FR20121E (en) 1916-10-06

Family

ID=1361224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20121D Expired FR20121E (en) 1912-10-24 1915-09-18 Rotation speed indicator

Country Status (1)

Country Link
FR (1) FR20121E (en)

Similar Documents

Publication Publication Date Title
FR451716A (en) Speed reducer
FR451366A (en) Rotation speed indicator
FR20121E (en) Rotation speed indicator
FR451070A (en) Speed indicator
FR445125A (en) Speed indicator
FR448343A (en) Speed indicator
FR18188E (en) Speed indicator
FR17780E (en) Speed indicator
FR449435A (en) Magnetic tachometer
FR439320A (en) Tachometer
FR449872A (en) Tachometer
CH66758A (en) Speed indicator
CH59199A (en) Rotational dynamometer
CH58235A (en) Speed indicator
CH71355A (en) Speed counter
FR445504A (en) Gear indicator
FR463234A (en) Angular speed indicator
NL1459C (en) Speedometer
CH60248A (en) Speedometer
CH60247A (en) Speedometer
CH59927A (en) Speedometer
FR453241A (en) Speed indicator
FR473491A (en) Speed indicator
CH66532A (en) Speed indicator
CH77816A (en) Speed indicator