CA1224426A - Hydraulic buffer for elevators - Google Patents
Hydraulic buffer for elevatorsInfo
- Publication number
- CA1224426A CA1224426A CA000457431A CA457431A CA1224426A CA 1224426 A CA1224426 A CA 1224426A CA 000457431 A CA000457431 A CA 000457431A CA 457431 A CA457431 A CA 457431A CA 1224426 A CA1224426 A CA 1224426A
- Authority
- CA
- Canada
- Prior art keywords
- piston
- container
- fluid
- cylinder
- buffer
- 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
- 239000000872 buffer Substances 0.000 title claims abstract description 38
- 239000012530 fluid Substances 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims 1
- 239000000356 contaminant Substances 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/062—Bi-tubular units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Types And Forms Of Lifts (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51252083A | 1983-07-11 | 1983-07-11 | |
| US512,520 | 1983-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1224426A true CA1224426A (en) | 1987-07-21 |
Family
ID=24039448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000457431A Expired CA1224426A (en) | 1983-07-11 | 1984-06-26 | Hydraulic buffer for elevators |
Country Status (14)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112707263A (zh) * | 2021-01-27 | 2021-04-27 | 陕西省特种设备检验检测研究院 | 一种电梯的底部防冲击系统 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2608306B1 (fr) * | 1986-12-10 | 1989-03-31 | Framatome Sa | Dispositif d'amortissement de chute de barres absorbantes pour assemblage de combustible nucleaire |
| US4926981A (en) * | 1989-06-19 | 1990-05-22 | Otis Elevator Company | Escalator step buffer |
| GB201006713D0 (en) * | 2010-04-22 | 2010-06-09 | T A Savery And Co Ltd | A buffer |
| WO2025168914A1 (en) * | 2024-02-07 | 2025-08-14 | T A Savery & Co., Ltd. | Elevator buffer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2040063A (en) * | 1932-10-17 | 1936-05-05 | Gen Motors Corp | Direct action shock absorber |
| JPS5141580Y2 (enrdf_load_stackoverflow) * | 1971-07-16 | 1976-10-08 | ||
| DE2440094C3 (de) * | 1974-08-21 | 1980-08-28 | Thyssen Aufzuege Gmbh, 7000 Stuttgart | Aufzugpuffer |
| DE3044460A1 (de) * | 1980-11-26 | 1982-06-24 | August Bilstein GmbH & Co KG, 5828 Ennepetal | Hydropneumatischer zweirohr-schwingungsdaempfer, insbesondere als vorderachsbein fuer kraftfahrzeuge |
-
1984
- 1984-06-20 IN IN500/DEL/84A patent/IN161296B/en unknown
- 1984-06-26 CA CA000457431A patent/CA1224426A/en not_active Expired
- 1984-06-29 AU AU30033/84A patent/AU575058B2/en not_active Ceased
- 1984-07-02 FI FI842662A patent/FI79072C/fi not_active IP Right Cessation
- 1984-07-06 AT AT0218584A patent/AT396582B/de active
- 1984-07-09 IT IT48533/84A patent/IT1179393B/it active
- 1984-07-10 DE DE19843425385 patent/DE3425385A1/de active Granted
- 1984-07-10 ES ES1984289725U patent/ES289725Y/es not_active Expired
- 1984-07-10 CH CH3347/84A patent/CH665892A5/de not_active IP Right Cessation
- 1984-07-11 GB GB08417676A patent/GB2143613B/en not_active Expired
- 1984-07-11 FR FR8411011A patent/FR2549183B1/fr not_active Expired
- 1984-07-11 JP JP59144089A patent/JPS6037434A/ja active Granted
-
1987
- 1987-11-12 SG SG994/87A patent/SG99487G/en unknown
-
1988
- 1988-08-11 HK HK613/88A patent/HK61388A/xx not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112707263A (zh) * | 2021-01-27 | 2021-04-27 | 陕西省特种设备检验检测研究院 | 一种电梯的底部防冲击系统 |
| CN112707263B (zh) * | 2021-01-27 | 2022-04-05 | 陕西省特种设备检验检测研究院 | 一种电梯的底部防冲击系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| IN161296B (enrdf_load_stackoverflow) | 1987-11-07 |
| FR2549183A1 (fr) | 1985-01-18 |
| CH665892A5 (de) | 1988-06-15 |
| ES289725Y (es) | 1986-10-16 |
| GB2143613B (en) | 1986-10-01 |
| AU3003384A (en) | 1985-01-17 |
| GB8417676D0 (en) | 1984-08-15 |
| DE3425385A1 (de) | 1985-01-24 |
| FI79072B (fi) | 1989-07-31 |
| ATA218584A (de) | 1993-02-15 |
| AT396582B (de) | 1993-10-25 |
| IT8448533A0 (it) | 1984-07-09 |
| JPH0424582B2 (enrdf_load_stackoverflow) | 1992-04-27 |
| SG99487G (en) | 1988-07-15 |
| FI842662A0 (fi) | 1984-07-02 |
| IT1179393B (it) | 1987-09-16 |
| HK61388A (en) | 1988-08-19 |
| FI79072C (fi) | 1989-11-10 |
| GB2143613A (en) | 1985-02-13 |
| FR2549183B1 (fr) | 1988-12-09 |
| JPS6037434A (ja) | 1985-02-26 |
| AU575058B2 (en) | 1988-07-21 |
| ES289725U (es) | 1986-03-01 |
| FI842662A7 (fi) | 1985-01-12 |
| DE3425385C2 (enrdf_load_stackoverflow) | 1992-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |