JPS5222253A - Speed control system of d.c. elevator - Google Patents

Speed control system of d.c. elevator

Info

Publication number
JPS5222253A
JPS5222253A JP50097579A JP9757975A JPS5222253A JP S5222253 A JPS5222253 A JP S5222253A JP 50097579 A JP50097579 A JP 50097579A JP 9757975 A JP9757975 A JP 9757975A JP S5222253 A JPS5222253 A JP S5222253A
Authority
JP
Japan
Prior art keywords
elevator
speed control
control system
speed range
control apparatus
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.)
Pending
Application number
JP50097579A
Other languages
Japanese (ja)
Inventor
Masaaki Nakazato
Kazutake Takahashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50097579A priority Critical patent/JPS5222253A/en
Publication of JPS5222253A publication Critical patent/JPS5222253A/en
Pending legal-status Critical Current

Links

Landscapes

  • Stopping Of Electric Motors (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)

Abstract

PURPOSE: A speed control apparatus for a d.c. elevator which can generate substantially a predetermined brake torque from a high speed range to a low speed range.
COPYRIGHT: (C)1977,JPO&Japio
JP50097579A 1975-08-13 1975-08-13 Speed control system of d.c. elevator Pending JPS5222253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50097579A JPS5222253A (en) 1975-08-13 1975-08-13 Speed control system of d.c. elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50097579A JPS5222253A (en) 1975-08-13 1975-08-13 Speed control system of d.c. elevator

Publications (1)

Publication Number Publication Date
JPS5222253A true JPS5222253A (en) 1977-02-19

Family

ID=14196142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50097579A Pending JPS5222253A (en) 1975-08-13 1975-08-13 Speed control system of d.c. elevator

Country Status (1)

Country Link
JP (1) JPS5222253A (en)

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