FR480135A - Improvements to the control of electric motors - Google Patents

Improvements to the control of electric motors

Info

Publication number
FR480135A
FR480135A FR480135DA FR480135A FR 480135 A FR480135 A FR 480135A FR 480135D A FR480135D A FR 480135DA FR 480135 A FR480135 A FR 480135A
Authority
FR
France
Prior art keywords
control
electric motors
motors
electric
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)
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.)
OTIS PIFRE ATELIERS SA
Original Assignee
OTIS PIFRE ATELIERS SA
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 OTIS PIFRE ATELIERS SA filed Critical OTIS PIFRE ATELIERS SA
Application granted granted Critical
Publication of FR480135A publication Critical patent/FR480135A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B66B1/08—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. handles or levers, in the cars or cages for direct control of movements

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR480135D 1915-07-22 1915-11-05 Improvements to the control of electric motors Expired FR480135A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US480135XA 1915-07-22 1915-07-22

Publications (1)

Publication Number Publication Date
FR480135A true FR480135A (en) 1916-06-22

Family

ID=1517395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR480135D Expired FR480135A (en) 1915-07-22 1915-11-05 Improvements to the control of electric motors

Country Status (1)

Country Link
FR (1) FR480135A (en)

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