HU181670B - Hidraulic lifting apparatus with built-in device damping stroke - Google Patents
Hidraulic lifting apparatus with built-in device damping stroke Download PDFInfo
- Publication number
- HU181670B HU181670B HU76GA1216A HUGA001216A HU181670B HU 181670 B HU181670 B HU 181670B HU 76GA1216 A HU76GA1216 A HU 76GA1216A HU GA001216 A HUGA001216 A HU GA001216A HU 181670 B HU181670 B HU 181670B
- Authority
- HU
- Hungary
- Prior art keywords
- damping element
- piston
- damping
- cylinder
- bore
- Prior art date
Links
- 238000013016 damping Methods 0.000 title claims abstract description 97
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000002441 reversible effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- PQVHMOLNSYFXIJ-UHFFFAOYSA-N 4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]pyrazole-3-carboxylic acid Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(N1CC2=C(CC1)NN=N2)=O)C(=O)O PQVHMOLNSYFXIJ-UHFFFAOYSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
- H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/222—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Fluid-Damping Devices (AREA)
- Fluid-Pressure Circuits (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7521211A FR2317532A1 (fr) | 1975-07-07 | 1975-07-07 | Verin hydraulique a amortisseur incorpore avec realimentation de la chambre d'amortissement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU181670B true HU181670B (en) | 1983-10-28 |
Family
ID=9157585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU76GA1216A HU181670B (en) | 1975-07-07 | 1976-07-06 | Hidraulic lifting apparatus with built-in device damping stroke |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4026523A (en:Method) |
| JP (1) | JPS528274A (en:Method) |
| AT (1) | AT361575B (en:Method) |
| AU (1) | AU501422B2 (en:Method) |
| BE (1) | BE843826A (en:Method) |
| CA (1) | CA1053540A (en:Method) |
| DE (1) | DE2629909A1 (en:Method) |
| ES (1) | ES450014A1 (en:Method) |
| FR (1) | FR2317532A1 (en:Method) |
| GB (1) | GB1515222A (en:Method) |
| HU (1) | HU181670B (en:Method) |
| IT (1) | IT1066467B (en:Method) |
| SE (1) | SE424356B (en:Method) |
| SU (1) | SU772478A3 (en:Method) |
| ZA (1) | ZA763868B (en:Method) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785712A (en) * | 1986-05-27 | 1988-11-22 | Mitsubishi Denki Kabushiki Kaisha | Hydraulic operating apparatus for electric circuit breaker |
| FR2613122B1 (fr) * | 1987-03-25 | 1989-06-23 | Gratzmuller Claude | Verin hydraulique differentiel pour la commande de disjoncteurs electriques |
| FR2613785B1 (fr) * | 1987-04-13 | 1990-11-23 | Gratzmuller Claude | Verin hydraulique differentiel, avec systeme d'amortissement, pour la commande de disjoncteurs electriques |
| FR2614669B1 (fr) * | 1987-04-29 | 1989-07-13 | Gratzmuller Claude | Valve hydraulique a trois voies |
| FR2614946B1 (fr) * | 1987-05-06 | 1989-06-23 | Gratzmuller Claude | Verin hydraulique avec systeme de controle de position du piston |
| US4996906A (en) * | 1989-04-24 | 1991-03-05 | United Elevator Corporation | Actuating assembly for hydraulic elevators |
| DE19635876C2 (de) * | 1996-09-04 | 2001-04-05 | Orenstein & Koppel Ag | Ringseitige Dämpfung an druckmittelbetätigten Arbeitszylindern |
| FR2845817A1 (fr) * | 2002-10-09 | 2004-04-16 | Alstom | Amortisseur hydraulique comprenant un piston avec au moins un evidement |
| JP2006142845A (ja) * | 2004-11-16 | 2006-06-08 | Kayaba Ind Co Ltd | 油圧式パワーステアリング用アウターボックス |
| FI118234B (fi) * | 2005-05-20 | 2007-08-31 | Metso Paper Inc | Toimilaite lineaariliikkeen aikaansaamiseksi |
| US8327752B2 (en) * | 2006-10-27 | 2012-12-11 | General Electric Company | Fluidic actuator for application inside turbomachinery |
| DE102008050674A1 (de) | 2008-10-07 | 2010-04-08 | Abb Technology Ag | Hydromechanischer Federspeicherantrieb |
| US8944157B2 (en) * | 2012-07-11 | 2015-02-03 | Jacob MAIL | Hydro pneumatic lifting system and method |
| US9926178B2 (en) | 2014-08-20 | 2018-03-27 | Crown Equipment Corporation | Actuator in a lift truck |
| RU2628033C1 (ru) * | 2016-04-25 | 2017-08-14 | Акционерное общество "Центральное конструкторское бюро "Титан" | Домкрат |
| CN107146736A (zh) * | 2017-05-12 | 2017-09-08 | 中科电力装备集团有限公司 | 一种变压器中隔离开关的静触头结构 |
| CN114455498B (zh) * | 2022-01-26 | 2024-04-09 | 浙江工业大学 | 一种无外接油源式泵控电液千斤顶 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2493602A (en) * | 1947-12-31 | 1950-01-03 | Vance C Sterrett | Pressure fluid motor |
-
1975
- 1975-07-07 FR FR7521211A patent/FR2317532A1/fr active Granted
-
1976
- 1976-06-29 GB GB27008/76A patent/GB1515222A/en not_active Expired
- 1976-06-29 ZA ZA763868A patent/ZA763868B/xx unknown
- 1976-06-30 US US05/701,012 patent/US4026523A/en not_active Expired - Lifetime
- 1976-07-01 DE DE19762629909 patent/DE2629909A1/de active Pending
- 1976-07-05 AU AU15556/76A patent/AU501422B2/en not_active Expired
- 1976-07-05 IT IT50283/76A patent/IT1066467B/it active
- 1976-07-05 CA CA256,250A patent/CA1053540A/en not_active Expired
- 1976-07-06 HU HU76GA1216A patent/HU181670B/hu not_active IP Right Cessation
- 1976-07-06 BE BE168668A patent/BE843826A/xx not_active IP Right Cessation
- 1976-07-06 AT AT492876A patent/AT361575B/de active
- 1976-07-06 SE SE7607726A patent/SE424356B/xx not_active IP Right Cessation
- 1976-07-06 SU SU762376404A patent/SU772478A3/ru active
- 1976-07-06 ES ES450014A patent/ES450014A1/es not_active Expired
- 1976-07-06 JP JP51079562A patent/JPS528274A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2629909A1 (de) | 1977-01-27 |
| SE7607726L (sv) | 1977-01-08 |
| AU501422B2 (en) | 1979-06-21 |
| IT1066467B (it) | 1985-03-12 |
| GB1515222A (en) | 1978-06-21 |
| BE843826A (fr) | 1977-01-06 |
| FR2317532A1 (fr) | 1977-02-04 |
| ES450014A1 (es) | 1977-07-16 |
| AT361575B (de) | 1981-03-25 |
| SU772478A3 (ru) | 1980-10-15 |
| AU1555676A (en) | 1978-01-12 |
| US4026523A (en) | 1977-05-31 |
| JPS528274A (en) | 1977-01-21 |
| FR2317532B1 (en:Method) | 1978-12-29 |
| CA1053540A (en) | 1979-05-01 |
| SE424356B (sv) | 1982-07-12 |
| ATA492876A (de) | 1980-08-15 |
| JPS5612726B2 (en:Method) | 1981-03-24 |
| ZA763868B (en) | 1977-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 | ||
| HMM4 | Cancellation of final prot. due to non-payment of fee |