ES454156A1 - Sistema de ascensor mejorado del tipo que utiliza un motor de corriente alterna. - Google Patents

Sistema de ascensor mejorado del tipo que utiliza un motor de corriente alterna.

Info

Publication number
ES454156A1
ES454156A1 ES454156A ES454156A ES454156A1 ES 454156 A1 ES454156 A1 ES 454156A1 ES 454156 A ES454156 A ES 454156A ES 454156 A ES454156 A ES 454156A ES 454156 A1 ES454156 A1 ES 454156A1
Authority
ES
Spain
Prior art keywords
pulses
pulse train
train
elevator car
pulse
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
ES454156A
Other languages
English (en)
Spanish (es)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ES454156A1 publication Critical patent/ES454156A1/es
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
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/32—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices, e.g. acting on electrically controlled brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/285—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical with the use of a speed pattern generator

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Control (AREA)
  • Stopping Of Electric Motors (AREA)
ES454156A 1975-12-12 1976-12-10 Sistema de ascensor mejorado del tipo que utiliza un motor de corriente alterna. Expired ES454156A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/640,303 US4046229A (en) 1975-12-12 1975-12-12 Elevator system

Publications (1)

Publication Number Publication Date
ES454156A1 true ES454156A1 (es) 1978-03-01

Family

ID=24567704

Family Applications (1)

Application Number Title Priority Date Filing Date
ES454156A Expired ES454156A1 (es) 1975-12-12 1976-12-10 Sistema de ascensor mejorado del tipo que utiliza un motor de corriente alterna.

Country Status (8)

Country Link
US (1) US4046229A (OSRAM)
JP (1) JPS6020311B2 (OSRAM)
AU (1) AU509743B2 (OSRAM)
BE (1) BE849363A (OSRAM)
CA (1) CA1063268A (OSRAM)
ES (1) ES454156A1 (OSRAM)
FR (1) FR2334609A1 (OSRAM)
GB (1) GB1561400A (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150734A (en) * 1978-01-24 1979-04-24 Hitachi, Ltd. Elevator control apparatus
US4155426A (en) * 1978-05-05 1979-05-22 Westinghouse Electric Corp. Digital speed pattern generator
US4394889A (en) * 1979-04-05 1983-07-26 Otis Elevator Company Modified slowdown and braking of an elevator car
JPS56149964A (en) * 1980-04-18 1981-11-20 Hitachi Ltd Controller for elevator
CH652995A5 (de) * 1980-04-21 1985-12-13 Inventio Ag Aufzugsantrieb mit anfahrsteuerung.
US4501345A (en) * 1983-12-05 1985-02-26 Westinghouse Electric Corp. Elevator system
US4678401A (en) * 1986-01-24 1987-07-07 United Technologies Corporation Rotor control system
US4817761A (en) * 1987-04-28 1989-04-04 Mitsubishi Denki Kabushiki Kaisha Control apparatus for elevator
DE19510786C2 (de) * 1995-03-24 1997-04-10 Stahl R Foerdertech Gmbh Hebezeug mit Fahrwerk und geringer Pendelung beim Bremsen
FI121065B (fi) * 2009-03-05 2010-06-30 Kone Corp Hissijärjestelmä
JP6504081B2 (ja) * 2016-02-26 2019-04-24 オムロン株式会社 制御装置、制御プログラムおよび記録媒体
CN118137892A (zh) 2022-12-02 2024-06-04 明泰科技股份有限公司 能以数字式进行直流风扇调速的电路系统
TWI843322B (zh) * 2022-12-08 2024-05-21 明泰科技股份有限公司 能以數位式進行直流風扇調速的電路系統

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589474A (en) * 1969-05-07 1971-06-29 Westinghouse Electric Corp Digital pattern generator for motor speed control
US3590355A (en) * 1969-10-22 1971-06-29 Lanny L Davis Digital positioning motor control for an elevator
US3743055A (en) * 1971-08-04 1973-07-03 Elevator Corp Electronic motion control system for elevators
US3779346A (en) * 1972-05-17 1973-12-18 Westinghouse Electric Corp Terminal slowdown control for elevator system
SE365338B (OSRAM) * 1973-02-26 1974-03-18 Ericsson Telefon Ab L M

Also Published As

Publication number Publication date
GB1561400A (en) 1980-02-20
BE849363A (fr) 1977-06-13
FR2334609B1 (OSRAM) 1979-03-09
AU2028576A (en) 1978-06-15
JPS6020311B2 (ja) 1985-05-21
JPS5273449A (en) 1977-06-20
CA1063268A (en) 1979-09-25
AU509743B2 (en) 1980-05-22
US4046229A (en) 1977-09-06
FR2334609A1 (fr) 1977-07-08

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Whippman Whippman's Answer

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980202