FR2479389B1 - Dispositif d'amortissement de course de cylindre hydraulique - Google Patents
Dispositif d'amortissement de course de cylindre hydrauliqueInfo
- Publication number
- FR2479389B1 FR2479389B1 FR8106126A FR8106126A FR2479389B1 FR 2479389 B1 FR2479389 B1 FR 2479389B1 FR 8106126 A FR8106126 A FR 8106126A FR 8106126 A FR8106126 A FR 8106126A FR 2479389 B1 FR2479389 B1 FR 2479389B1
- Authority
- FR
- France
- Prior art keywords
- hydraulic cylinder
- damping device
- cylinder stroke
- stroke damping
- hydraulic
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/152—Digital data processing dependent on pinking
-
- 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
- F16F9/49—Stops limiting fluid passage, e.g. hydraulic stops or elastomeric elements inside the cylinder which contribute to changes in fluid damping
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Actuator (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3872280U JPS56141202U (fr) | 1980-03-26 | 1980-03-26 | |
JP3872180U JPS617366Y2 (fr) | 1980-03-26 | 1980-03-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2479389A1 FR2479389A1 (fr) | 1981-10-02 |
FR2479389B1 true FR2479389B1 (fr) | 1986-02-28 |
Family
ID=26378011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8106126A Expired FR2479389B1 (fr) | 1980-03-26 | 1981-03-26 | Dispositif d'amortissement de course de cylindre hydraulique |
Country Status (3)
Country | Link |
---|---|
US (1) | US4424737A (fr) |
FR (1) | FR2479389B1 (fr) |
GB (1) | GB2075148B (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3415829C2 (de) * | 1984-04-27 | 1986-07-17 | Emil Weber Fabrik für Ölhydraulik GmbH & Co, 7129 Güglingen | Endlagendämpfung für einen hydraulischen Zylinder |
FR2624447B1 (fr) * | 1987-12-10 | 1993-01-22 | Peugeot | Verin de suspension hydropneumatique de vehicule |
US4982652A (en) * | 1989-05-19 | 1991-01-08 | Blatt John A | Fluid operated actuator with recessed position sensor and recessed end cap fastener |
DE4414485A1 (de) * | 1994-04-26 | 1995-11-02 | Bosch Gmbh Robert | Druckmittelbetätigbarer Arbeitszylinder |
KR960029256U (ko) * | 1995-02-28 | 1996-09-17 | 유압실린더의 쿠션장치 | |
KR0166223B1 (ko) * | 1995-03-29 | 1998-12-01 | 서상기 | 공압실린더 |
US5562018A (en) * | 1995-11-21 | 1996-10-08 | Foster; Raymond K. | Hydraulic valve |
DE29519232U1 (de) * | 1995-12-05 | 1996-04-04 | Tuenkers Maschinenbau Gmbh | Kniehebelspannvorrichtung |
DE29618186U1 (de) * | 1996-10-21 | 1998-02-19 | Bosch Gmbh Robert | Druckmittelbetätigbarer Arbeitszylinder |
US6386088B1 (en) * | 1998-05-29 | 2002-05-14 | Hitachi Construction Machinery, Co. Ltd. | Hydraulic cylinder |
DE19824579C1 (de) | 1998-06-02 | 1999-06-17 | Tuenkers Maschinenbau Gmbh | Kniehebelspannvorrichtung, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie |
US6186043B1 (en) | 1999-04-05 | 2001-02-13 | Deere & Company | Cushion hydraulic cylinder |
GB9910257D0 (en) * | 1999-05-05 | 1999-06-30 | Lucas Ind Plc | Piston and cylinder assembly and flow restrictor device therefor |
ITMI20012137A1 (it) * | 2001-10-16 | 2003-04-16 | Luciano Migliori | Cilindro pneumatico a corsa variabile |
US7121185B2 (en) * | 2004-05-28 | 2006-10-17 | Caterpillar Inc. | Hydraulic cylinder having a snubbing valve |
DE102005025505A1 (de) * | 2005-06-03 | 2006-12-07 | Jungheinrich Ag | Vorrichtung zur Dämpfung eines Hydraulikzylinders eines Flurförderzeuges in der eingefahrenen Endlage eines Kolbens |
JP4851992B2 (ja) * | 2007-05-22 | 2012-01-11 | カヤバ工業株式会社 | クッションリング及び流体圧シリンダ |
US8353241B1 (en) | 2008-11-26 | 2013-01-15 | HDM Hydraulics, LLC | Hydraulic cylinder cushion |
CN106122344B (zh) * | 2010-11-11 | 2019-04-16 | 京西重工股份有限公司 | 减振器 |
US20130228070A1 (en) * | 2010-11-15 | 2013-09-05 | Volvo Construction Equipment Ab | Hydraulic cylinder with variable cushion orifice |
GB2587193A (en) * | 2019-09-13 | 2021-03-24 | Airbus Operations Ltd | Aircraft landing gear system |
JP7323103B2 (ja) * | 2020-07-22 | 2023-08-08 | Smc株式会社 | 流体圧シリンダ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3673925A (en) * | 1969-01-06 | 1972-07-04 | Parker Hannifin Corp | Fluid motor |
US3704650A (en) * | 1971-03-29 | 1972-12-05 | Caterpillar Tractor Co | Hydraulic jack stroke cushioning means |
DE2240980A1 (de) * | 1972-08-21 | 1974-03-07 | Adam Dipl Ing Elmer | Einrichtung zur daempfung des kolbenaufschlages in hydraulischen arbeitszylindern |
DE2603041A1 (de) * | 1976-01-28 | 1977-08-04 | Licentia Gmbh | Elektrischer schalter mit hydraulischem antrieb |
FR2425008A1 (fr) * | 1978-05-05 | 1979-11-30 | Climax France Sa | Dispositif de controle de la deceleration et/ou de l'acceleration d'un element mobile suivant un mouvement alternatif rectiligne de va-et-vient, au voisinage d'au moins un des points morts de fin de course de l'element mobile |
-
1981
- 1981-03-20 US US06/245,963 patent/US4424737A/en not_active Expired - Lifetime
- 1981-03-25 GB GB8109395A patent/GB2075148B/en not_active Expired
- 1981-03-26 FR FR8106126A patent/FR2479389B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2479389A1 (fr) | 1981-10-02 |
GB2075148A (en) | 1981-11-11 |
GB2075148B (en) | 1983-09-07 |
US4424737A (en) | 1984-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ER | Errata listed in the french official journal (bopi) |
Free format text: 40/81 |
|
ST | Notification of lapse |