GB2122305B - Fluid spring or damper with slidable piston - Google Patents

Fluid spring or damper with slidable piston

Info

Publication number
GB2122305B
GB2122305B GB08309523A GB8309523A GB2122305B GB 2122305 B GB2122305 B GB 2122305B GB 08309523 A GB08309523 A GB 08309523A GB 8309523 A GB8309523 A GB 8309523A GB 2122305 B GB2122305 B GB 2122305B
Authority
GB
United Kingdom
Prior art keywords
damper
fluid spring
slidable piston
slidable
piston
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
Application number
GB08309523A
Other versions
GB2122305A (en
Inventor
- Ise-Cho Tomio Imaizumi
Fujio Tanigawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokico Ltd
Original Assignee
Tokico Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP6023482A external-priority patent/JPS58178034A/en
Priority claimed from JP6023382A external-priority patent/JPS58178033A/en
Priority claimed from JP6125182A external-priority patent/JPS58178036A/en
Priority claimed from JP6125082A external-priority patent/JPS58178035A/en
Priority claimed from JP6201182A external-priority patent/JPS58180847A/en
Priority claimed from JP57105200A external-priority patent/JPS58221032A/en
Application filed by Tokico Ltd filed Critical Tokico Ltd
Publication of GB2122305A publication Critical patent/GB2122305A/en
Application granted granted Critical
Publication of GB2122305B publication Critical patent/GB2122305B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
    • 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
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
    • F16F9/5126—Piston, or piston-like valve elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
GB08309523A 1982-04-10 1983-04-08 Fluid spring or damper with slidable piston Expired GB2122305B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP6023482A JPS58178034A (en) 1982-04-10 1982-04-10 Cylinder device
JP6023382A JPS58178033A (en) 1982-04-10 1982-04-10 Cylinder device
JP6125182A JPS58178036A (en) 1982-04-13 1982-04-13 Cylinder device
JP6125082A JPS58178035A (en) 1982-04-13 1982-04-13 Cylinder device
JP6201182A JPS58180847A (en) 1982-04-14 1982-04-14 Cylinder apparatus
JP57105200A JPS58221032A (en) 1982-06-18 1982-06-18 Cylinder device

Publications (2)

Publication Number Publication Date
GB2122305A GB2122305A (en) 1984-01-11
GB2122305B true GB2122305B (en) 1987-02-18

Family

ID=27550783

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08309523A Expired GB2122305B (en) 1982-04-10 1983-04-08 Fluid spring or damper with slidable piston

Country Status (1)

Country Link
GB (1) GB2122305B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE438990B (en) * 1984-06-21 1985-05-28 Saab Scania Ab ARRANGEMENTS FOR DUMPING OF EXCHANGE MOVEMENTS BY A MECHANICALLY SYNCHRONIZED MULTIPLE-STEP SWITCH
DE3513839A1 (en) * 1985-04-17 1986-10-23 Fritz Bauer + Söhne oHG, 8503 Altdorf FLUID FILLED PUMP CYLINDER UNIT
GB2266133B (en) * 1989-11-16 1994-03-09 Atsugi Unisia Corp Improvements in and relating to check valve assemblies
FR2674801A1 (en) * 1991-04-05 1992-10-09 Renault Hydraulic device making it possible to protect transmission elements of a motor vehicle in the event of abrupt release of the clutch control pedal
FR2701745B1 (en) * 1993-02-17 1998-02-13 Fichtel & Sachs Ag Vehicle fitted with a shock absorber with variable characteristics, and shock absorber for such a vehicle.
IT1271059B (en) * 1993-11-19 1997-05-26 Stabilus Gmbh STOP DEVICE TO FIX TWO MOVABLE OBJECTS ONE RELATIVE TO THE OTHER
US6035634A (en) * 1999-02-09 2000-03-14 Latch-Tool Development Co. Llc Compact, resistance regulated, multiple output hydraulic tool and seal valve arrangement
DE10305386B3 (en) * 2003-02-11 2004-09-02 Thyssenkrupp Bilstein Gmbh Blow-off valve for a hydraulic shock absorber
DE202004009535U1 (en) 2004-06-16 2005-11-10 Alfit Ag Device for damping or deceleration of moving furniture parts of furniture
DE102004036424A1 (en) * 2004-07-27 2006-03-23 Still Gmbh Hydraulic cylinder with end position damping
US8025135B1 (en) * 2007-06-15 2011-09-27 KV IP Holdings Ltd. Hydraulic damping device for drawer
US8127901B1 (en) 2007-06-15 2012-03-06 KV IP Holdings Ltd. Hydraulic damping device for drawer
ITTO20110146A1 (en) * 2011-02-21 2012-08-22 Cnh Italia Spa HYDRAULIC SHOCK ABSORBER
KR101254286B1 (en) * 2011-06-03 2013-04-12 주식회사 만도 Double sliding piston valve
US20150225990A1 (en) * 2014-02-13 2015-08-13 Avm Industries Vibration tolerant damper
AU2021264761B2 (en) * 2020-04-26 2023-09-07 Ningbo Kasico Shock Absorber Manufacture Co., Ltd. Self-variable force hydraulic damper
US20230234633A1 (en) * 2020-06-02 2023-07-27 Somic Management Holdings Inc. Flow control valve, damper and steering device
CN114738425A (en) * 2022-05-15 2022-07-12 上海琦天汽车零部件有限公司 Bidirectional hydraulic damping device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB218650A (en) * 1923-07-05 1924-11-20 Joseph Colin Improvements in fluid brakes used on precision apparatus
GB381635A (en) * 1931-07-25 1932-10-13 Ellison George Ltd Improvements relating to dash pots
GB644459A (en) * 1948-12-17 1950-10-11 Gen Electric Co Ltd Improvements in or relating to devices for controlling the speed of, and/or for smoothing, the movement of objects
GB1061567A (en) * 1962-12-13 1967-03-15 Plessey Uk Ltd Improvements in or relating to hydraulic movement control devices
GB1092642A (en) * 1965-05-07 1967-11-29 Woodhead Mfg Company Ltd Improvements relating to shock absorbers
GB1279828A (en) * 1969-09-19 1972-06-28 British Leyland Austin Morris Carburetters for internal combustion engines
US3819060A (en) * 1973-08-17 1974-06-25 Menasco Mfg Co Damping apparatus
GB2012913B (en) * 1978-01-20 1982-04-07 Girling Ltd Gas spring
GB2037933B (en) * 1978-11-18 1983-02-09 Stabilus Gmbh Cylinder and piston device with piston acting as valve member
FR2446969A1 (en) * 1979-01-16 1980-08-14 Allinquant J G IMPROVEMENTS IN OR RELATING TO PISTUMS OF PNEUMATIC SPRINGS OR THE LIKE
JPS5753139U (en) * 1980-09-11 1982-03-27

Also Published As

Publication number Publication date
GB2122305A (en) 1984-01-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970408