CA1033672A - Commande d'ascenseurs hydraulique - Google Patents
Commande d'ascenseurs hydrauliqueInfo
- Publication number
- CA1033672A CA1033672A CA246,556A CA246556A CA1033672A CA 1033672 A CA1033672 A CA 1033672A CA 246556 A CA246556 A CA 246556A CA 1033672 A CA1033672 A CA 1033672A
- Authority
- CA
- Canada
- Prior art keywords
- drive system
- hydraulic elevator
- elevator drive
- hydraulic
- elevator
- 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
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)
- Types And Forms Of Lifts (AREA)
- Elevator Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA286,568A CA1037623A (fr) | 1975-02-26 | 1977-09-13 | Commande hydraulique d'ascenseur |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/553,442 US3977497A (en) | 1975-02-26 | 1975-02-26 | Hydraulic elevator drive system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1033672A true CA1033672A (fr) | 1978-06-27 |
Family
ID=24209413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA246,556A Expired CA1033672A (fr) | 1975-02-26 | 1976-02-25 | Commande d'ascenseurs hydraulique |
Country Status (2)
Country | Link |
---|---|
US (1) | US3977497A (fr) |
CA (1) | CA1033672A (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4074794A (en) * | 1975-10-31 | 1978-02-21 | Towmotor Corporation | Height indicator and control for fork lift trucks |
US4081021A (en) * | 1976-01-13 | 1978-03-28 | Reynolds Metals Company | Semi-continuous direct chill casting apparatus |
US4099595A (en) * | 1976-04-20 | 1978-07-11 | Thomas Ray Tracy | Escape device |
US4296574A (en) * | 1978-02-14 | 1981-10-27 | Knoll International, Inc. | Floor panel-furniture support system |
US4311212A (en) * | 1980-07-09 | 1982-01-19 | Elevator Equipment Co. | Valve control 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 |
EP0162931A1 (fr) * | 1983-07-28 | 1985-12-04 | Siminor S.A. | Perfectionnement aux ascenseurs hydrauliques |
US4637495A (en) * | 1985-10-09 | 1987-01-20 | Blain Roy W | Pressure/viscosity compensated up travel for a hydraulic elevator |
NZ218082A (en) * | 1985-11-18 | 1988-10-28 | Otis Elevator Co | Pressure referenced programmed flow control in a hydraulic valve |
US4726450A (en) * | 1985-11-18 | 1988-02-23 | Otis Elevator Company | Hydraulic elevator with dynamically programmed motor-operated valve |
JPS631683A (ja) * | 1986-06-20 | 1988-01-06 | 株式会社日立製作所 | 流体圧エレベ−タ |
US4694935A (en) * | 1986-10-17 | 1987-09-22 | Cemco, Inc. | Self-adjusting control valve for elevators |
US4932502A (en) * | 1989-02-15 | 1990-06-12 | Inventio Ag | Hydraulic elevator system |
ATE108416T1 (de) * | 1989-11-27 | 1994-07-15 | Inventio Ag | Verfahren und vorrichtung zur herabsetzung der einklemmgefahr bei automatischen türen. |
JP2533683B2 (ja) * | 1990-10-16 | 1996-09-11 | 三菱電機株式会社 | 油圧エレベ―タの制御装置 |
JP2893978B2 (ja) * | 1991-02-28 | 1999-05-24 | 株式会社日立製作所 | 流体圧エレベータ及びその制御方法 |
US5232070A (en) * | 1991-08-15 | 1993-08-03 | Blain Roy W | Up leveling control system for small elevators |
EP0555635A1 (fr) * | 1992-02-10 | 1993-08-18 | Inventio Ag | Procédé et dispositif de réduction de la puissance motrice d'un ascenseur hydraulique |
US5374794A (en) * | 1993-12-09 | 1994-12-20 | United States Elevator Corp. | Elevator control valve assembly |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2726735A (en) * | 1955-02-23 | 1955-12-13 | New York Air Brake Co | Electric control for hydraulic lifts |
US3187844A (en) * | 1961-09-06 | 1965-06-08 | Hydraulic Elevator & Machine C | Hydraulic elevator control |
US3570243A (en) * | 1968-12-09 | 1971-03-16 | Mobility Systems Inc | Hydraulic actuator control system |
-
1975
- 1975-02-26 US US05/553,442 patent/US3977497A/en not_active Expired - Lifetime
-
1976
- 1976-02-25 CA CA246,556A patent/CA1033672A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3977497A (en) | 1976-08-31 |
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