FI90036C - Pao tryckjaemfoerelse grundad programmerad styrning av floedet i en hydraulisk ventil - Google Patents

Pao tryckjaemfoerelse grundad programmerad styrning av floedet i en hydraulisk ventil Download PDF

Info

Publication number
FI90036C
FI90036C FI864662A FI864662A FI90036C FI 90036 C FI90036 C FI 90036C FI 864662 A FI864662 A FI 864662A FI 864662 A FI864662 A FI 864662A FI 90036 C FI90036 C FI 90036C
Authority
FI
Finland
Prior art keywords
valve
flow
pressure
pump
main
Prior art date
Application number
FI864662A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI864662A (fi
FI864662A0 (fi
FI90036B (fi
Inventor
Giorgio Fossati
Harold Terry
Giuseppe Manco
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
Priority claimed from US06/853,286 external-priority patent/US4674527A/en
Priority claimed from US06/853,284 external-priority patent/US4700748A/en
Application filed by Otis Elevator Co filed Critical Otis Elevator Co
Publication of FI864662A0 publication Critical patent/FI864662A0/fi
Publication of FI864662A publication Critical patent/FI864662A/fi
Application granted granted Critical
Publication of FI90036B publication Critical patent/FI90036B/fi
Publication of FI90036C publication Critical patent/FI90036C/fi

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Types And Forms Of Lifts (AREA)
FI864662A 1985-11-18 1986-11-17 Pao tryckjaemfoerelse grundad programmerad styrning av floedet i en hydraulisk ventil FI90036C (fi)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US79976585A 1985-11-18 1985-11-18
US79966585A 1985-11-18 1985-11-18
US79976585 1985-11-18
US79966585 1985-11-18
US85328686 1986-04-17
US85328486 1986-04-17
US06/853,286 US4674527A (en) 1985-11-18 1986-04-17 Pressure relieving linear motion valve
US06/853,284 US4700748A (en) 1985-11-18 1986-04-17 Pressure-referenced programmed flow control in a hydraulic valve

Publications (4)

Publication Number Publication Date
FI864662A0 FI864662A0 (fi) 1986-11-17
FI864662A FI864662A (fi) 1987-05-19
FI90036B FI90036B (fi) 1993-09-15
FI90036C true FI90036C (fi) 1993-12-27

Family

ID=27505803

Family Applications (1)

Application Number Title Priority Date Filing Date
FI864662A FI90036C (fi) 1985-11-18 1986-11-17 Pao tryckjaemfoerelse grundad programmerad styrning av floedet i en hydraulisk ventil

Country Status (6)

Country Link
EP (1) EP0227296B1 (fr)
CN (1) CN1010970B (fr)
AU (1) AU604000B2 (fr)
DE (1) DE3684262D1 (fr)
FI (1) FI90036C (fr)
NZ (1) NZ218082A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694935A (en) * 1986-10-17 1987-09-22 Cemco, Inc. Self-adjusting control valve for elevators
US5082091A (en) * 1990-01-19 1992-01-21 Otis Elevator Company Hydraulic elevator control
US5014824A (en) * 1990-01-19 1991-05-14 Otis Elevator Company Hydraulic elevator control valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391702A (en) * 1965-12-14 1968-07-09 Gen Electric Liquid flow systems
JPS5138136B2 (fr) * 1971-09-17 1976-10-20
JPS5326378B2 (fr) * 1972-03-15 1978-08-02
CH578478A5 (en) * 1974-06-11 1976-08-13 Sig Schweiz Industrieges Hydraulically operated platform control system - has motor driving screwed spindle passing through control plunger
US3977497A (en) * 1975-02-26 1976-08-31 Armor Elevator Company, Inc. Hydraulic elevator drive system
IT1138425B (it) * 1981-06-16 1986-09-17 Stigler Otis S P A Complesso elettro-fluidodinamico per l'azionamento di una cabina di un impianto ascensore
FI71710C (fi) * 1985-04-30 1987-02-09 Pentti Rita Elektriskt styrd ventilanordning.
US4726450A (en) * 1985-11-18 1988-02-23 Otis Elevator Company Hydraulic elevator with dynamically programmed motor-operated valve

Also Published As

Publication number Publication date
EP0227296A2 (fr) 1987-07-01
AU6518086A (en) 1987-05-21
DE3684262D1 (de) 1992-04-16
AU604000B2 (en) 1990-12-06
CN86107735A (zh) 1987-06-17
EP0227296A3 (en) 1989-03-22
NZ218082A (en) 1988-10-28
CN1010970B (zh) 1990-12-26
EP0227296B1 (fr) 1992-03-11
FI864662A (fi) 1987-05-19
FI864662A0 (fi) 1986-11-17
FI90036B (fi) 1993-09-15

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: OTIS ELEVATOR COMPANY

BB Publication of examined application
MM Patent lapsed
MM Patent lapsed

Owner name: OTIS ELEVATOR COMPANY