CA1163737A - Valve control system - Google Patents
Valve control systemInfo
- Publication number
- CA1163737A CA1163737A CA000369331A CA369331A CA1163737A CA 1163737 A CA1163737 A CA 1163737A CA 000369331 A CA000369331 A CA 000369331A CA 369331 A CA369331 A CA 369331A CA 1163737 A CA1163737 A CA 1163737A
- Authority
- CA
- Canada
- Prior art keywords
- cab
- travel
- control circuit
- circuit
- responsive
- 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
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims description 38
- 238000012544 monitoring process Methods 0.000 claims description 22
- 238000005286 illumination Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 4
- 230000004913 activation Effects 0.000 claims 3
- 230000002411 adverse Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 12
- 239000000306 component Substances 0.000 description 11
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910052729 chemical element Inorganic materials 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 101710187929 Uroporphyrinogen decarboxylase 2, chloroplastic Proteins 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 241001052209 Cylinder Species 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000005019 pattern of movement Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000000063 preceeding effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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)
- Elevator Control (AREA)
- Types And Forms Of Lifts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/167,388 US4311212A (en) | 1980-07-09 | 1980-07-09 | Valve control system |
| US167,388 | 1980-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1163737A true CA1163737A (en) | 1984-03-13 |
Family
ID=22607169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000369331A Expired CA1163737A (en) | 1980-07-09 | 1981-01-26 | Valve control system |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4311212A (enExample) |
| JP (1) | JPS5727883A (enExample) |
| CA (1) | CA1163737A (enExample) |
| CH (1) | CH657117A5 (enExample) |
| DE (1) | DE3100793A1 (enExample) |
| FR (1) | FR2486509A1 (enExample) |
| GB (1) | GB2081472A (enExample) |
| IT (1) | IT1142243B (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726450A (en) * | 1985-11-18 | 1988-02-23 | Otis Elevator Company | Hydraulic elevator with dynamically programmed motor-operated valve |
| JPS62126087A (ja) * | 1985-11-25 | 1987-06-08 | 株式会社日立製作所 | 流体圧エレベ−タ |
| JPS631683A (ja) * | 1986-06-20 | 1988-01-06 | 株式会社日立製作所 | 流体圧エレベ−タ |
| US4896747A (en) * | 1988-07-28 | 1990-01-30 | Otis Elevator Company | Modular elevator system |
| US4932502A (en) * | 1989-02-15 | 1990-06-12 | Inventio Ag | Hydraulic elevator system |
| US5056437A (en) * | 1990-05-15 | 1991-10-15 | Republic Storage Systems Company, Inc. | Device for initializing an automated warehousing system |
| FI88012C (sv) * | 1990-06-04 | 1993-03-25 | Kone Oy | Förfarande och anordning för styrning av en hydraulhiss vid inkörning till plan |
| US5349854A (en) * | 1992-05-01 | 1994-09-27 | Otis Elevator Company | Elevator speed and position indicating device |
| US5890562A (en) * | 1996-08-16 | 1999-04-06 | Bt Prime Mover, Inc. | Control console for material handling vehicle |
| US6484849B2 (en) * | 2001-02-28 | 2002-11-26 | Otis Elevator Company | Elevator speed measurement system including reflective signal technology for making speed determinations |
| US10611600B2 (en) * | 2017-06-26 | 2020-04-07 | Otis Elevator Company | Hydraulic elevator system with position or speed based valve control |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3187844A (en) * | 1961-09-06 | 1965-06-08 | Hydraulic Elevator & Machine C | Hydraulic elevator control |
| US3119501A (en) * | 1961-10-10 | 1964-01-28 | Jerome H Lemelson | Automatic warehousing system |
| US3553560A (en) * | 1969-08-15 | 1971-01-05 | Gen Motors Corp | Direct current permanent magnet motor servomotor system |
| US3963098A (en) * | 1974-05-07 | 1976-06-15 | Westinghouse Electric Corporation | Position measurement apparatus |
| US3977497A (en) * | 1975-02-26 | 1976-08-31 | Armor Elevator Company, Inc. | Hydraulic elevator drive system |
| US4034275A (en) * | 1975-12-29 | 1977-07-05 | Karl Mangel | Optical control system for elevators |
| US4276506A (en) * | 1979-06-29 | 1981-06-30 | Chore-Time Equipment, Inc. | Motor control circuit |
-
1980
- 1980-07-09 US US06/167,388 patent/US4311212A/en not_active Expired - Lifetime
-
1981
- 1981-01-13 DE DE19813100793 patent/DE3100793A1/de not_active Withdrawn
- 1981-01-13 GB GB8100938A patent/GB2081472A/en not_active Withdrawn
- 1981-01-20 FR FR8100984A patent/FR2486509A1/fr active Granted
- 1981-01-23 CH CH462/81A patent/CH657117A5/de not_active IP Right Cessation
- 1981-01-26 JP JP1008981A patent/JPS5727883A/ja active Pending
- 1981-01-26 IT IT47634/81A patent/IT1142243B/it active
- 1981-01-26 CA CA000369331A patent/CA1163737A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2081472A (en) | 1982-02-17 |
| CH657117A5 (de) | 1986-08-15 |
| FR2486509A1 (fr) | 1982-01-15 |
| DE3100793A1 (de) | 1982-02-11 |
| US4311212A (en) | 1982-01-19 |
| JPS5727883A (en) | 1982-02-15 |
| FR2486509B3 (enExample) | 1983-11-18 |
| IT8147634A0 (it) | 1981-01-26 |
| IT1142243B (it) | 1986-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |