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AU531273B2 - Variable speed escalator - Google Patents
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AU531273B2 - Variable speed escalator - Google Patents

Variable speed escalator

Info

Publication number
AU531273B2
AU531273B2 AU58614/80A AU5861480A AU531273B2 AU 531273 B2 AU531273 B2 AU 531273B2 AU 58614/80 A AU58614/80 A AU 58614/80A AU 5861480 A AU5861480 A AU 5861480A AU 531273 B2 AU531273 B2 AU 531273B2
Authority
AU
Australia
Prior art keywords
variable speed
speed escalator
escalator
variable
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.)
Ceased
Application number
AU58614/80A
Other versions
AU5861480A (en
Inventor
Grahame William Whittaker
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 Elevator Co
Original Assignee
Otis Elevator Co
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 Elevator Co filed Critical Otis Elevator Co
Priority to AU58614/80A priority Critical patent/AU531273B2/en
Publication of AU5861480A publication Critical patent/AU5861480A/en
Application granted granted Critical
Publication of AU531273B2 publication Critical patent/AU531273B2/en
Priority to MY8500603A priority patent/MY8500603A/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B25/00—Control of escalators or moving walkways
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/292—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC
    • H02P7/293—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC using phase control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
AU58614/80A 1979-05-29 1979-05-29 Variable speed escalator Ceased AU531273B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU58614/80A AU531273B2 (en) 1979-05-29 1979-05-29 Variable speed escalator
MY8500603A MY8500603A (en) 1979-05-29 1985-12-30 Variable speed passenger transit device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPD899079 1979-05-29
AUPD8990 1979-05-29
AU58614/80A AU531273B2 (en) 1979-05-29 1979-05-29 Variable speed escalator

Publications (2)

Publication Number Publication Date
AU5861480A AU5861480A (en) 1981-01-15
AU531273B2 true AU531273B2 (en) 1983-08-18

Family

ID=25632158

Family Applications (1)

Application Number Title Priority Date Filing Date
AU58614/80A Ceased AU531273B2 (en) 1979-05-29 1979-05-29 Variable speed escalator

Country Status (1)

Country Link
AU (1) AU531273B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998004491A1 (en) * 1996-07-31 1998-02-05 Otis Elevator Company Passenger sensor for a conveyor
EP1562089A3 (en) * 2004-02-04 2007-04-11 GfA - Gesellschaft für Antriebstechnik Dr.-Ing. Hammann GmbH & Co. KG System and method for the vertical or horizontal motion control of a load

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6049189A (en) * 1996-10-29 2000-04-11 Otis Elevator Company Variable speed passenger conveyor and method of operation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998004491A1 (en) * 1996-07-31 1998-02-05 Otis Elevator Company Passenger sensor for a conveyor
EP1562089A3 (en) * 2004-02-04 2007-04-11 GfA - Gesellschaft für Antriebstechnik Dr.-Ing. Hammann GmbH & Co. KG System and method for the vertical or horizontal motion control of a load

Also Published As

Publication number Publication date
AU5861480A (en) 1981-01-15

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