GB1042094A - Shock absorbers - Google Patents

Shock absorbers

Info

Publication number
GB1042094A
GB1042094A GB1082265A GB1082265A GB1042094A GB 1042094 A GB1042094 A GB 1042094A GB 1082265 A GB1082265 A GB 1082265A GB 1082265 A GB1082265 A GB 1082265A GB 1042094 A GB1042094 A GB 1042094A
Authority
GB
United Kingdom
Prior art keywords
damping force
piston
rebound
jounce
velocity
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
GB1082265A
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.)
Ford Motor Co Ltd
Ford Motor Co
Original Assignee
Ford Motor Co Ltd
Ford Motor Co
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
Application filed by Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Motor Co Ltd
Publication of GB1042094A publication Critical patent/GB1042094A/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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/185—Bitubular units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/06—Characteristics of dampers, e.g. mechanical dampers
    • B60G17/08—Characteristics of fluid dampers
    • 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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type

Abstract

1,042,094. Springs &c. FORD MOTOR CO. Ltd. March 15, 1965 [March 21, 1964], No. 10822/65. Heading F2S. A motor vehicle telescopic shock absorber, the damping force Pd is less in jounce than in rebound Pz when the relative velocity between the telescoping parts is below a critical velocity V 1 , but above this critical value the damping force is greater in jounce than in rebound. In a shock-absorber, Fig. 1 (not shown), at low piston speeds, during jounce, hydraulic fluid passes through openings 17 in the piston 2 to lift a control valve 18 against the action of a spring 19 so that fluid can pass from the lower 1b to the upper la cylinder compartment and through an opening 13 in the cylinder wall 1 to an annular chamber 20 which communicates, through a port 21 and a throttled passage 22, with an annular reservoir 5. Up to piston speeds of V 1 , Fig. 2, the damping force is relatively low, however, at this velocity, the increased speed causes a back pressure at the opening 13 so that the damping force rapidly increases as indicated at 33. At low piston speeds during rebound, a relatively strong spring 16 maintains a valve plate 15 in closing relationship with orifices 14 through the piston 2, the damping force, up to the velocity V 1 , due to passage of fluid through the opening 13 being greater than the corresponding damping force during jounce. At piston velocities greater than V 1 the valve plate 15 opens, and the rebound characteristic Pz flattens considerably at 31. A valve 11 controls flow of fluid from the reservoir 5 into the cylinder compartment 1b
GB1082265A 1964-03-21 1965-03-15 Shock absorbers Expired GB1042094A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB76029A DE1292014B (en) 1964-03-21 1964-03-21 Hydraulic telescopic vibration damper for the axle suspension of road vehicles

Publications (1)

Publication Number Publication Date
GB1042094A true GB1042094A (en) 1966-09-07

Family

ID=6978907

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1082265A Expired GB1042094A (en) 1964-03-21 1965-03-15 Shock absorbers

Country Status (2)

Country Link
DE (1) DE1292014B (en)
GB (1) GB1042094A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0189220A1 (en) * 1985-01-21 1986-07-30 Koni B.V. Hydraulic twin-pipe shock absorber
EP1548321A1 (en) * 2003-12-23 2005-06-29 Wen-Guey Liou Hydraulic damping device
CN103016468A (en) * 2012-12-31 2013-04-03 江苏大学 Hydraulic inertial container device
JP2014199078A (en) * 2013-03-29 2014-10-23 日立オートモティブシステムズ株式会社 Damper and method for manufacturing the same
CN108397504A (en) * 2018-03-29 2018-08-14 青岛理工大学 External adjustable variable damping viscous damping devices

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2424040C3 (en) * 1974-05-17 1981-07-30 Boge Gmbh, 5208 Eitorf Vibration damper pistons, in particular for motor vehicles
DE3322366A1 (en) * 1983-06-22 1985-01-10 Fichtel & Sachs Ag, 8720 Schweinfurt TWO TUBE VIBRATION DAMPER FOR VEHICLES
US5172794A (en) * 1991-04-03 1992-12-22 Maremont Corporation Adjustable damping shock absorber
DE4315457C2 (en) * 1993-05-10 1996-08-22 Fichtel & Sachs Ag Valve for a hydraulic telescopic vibration damper
DE19731003B4 (en) * 1997-07-18 2004-07-01 Man Roland Druckmaschinen Ag Short inking
DE102008019587B3 (en) * 2008-04-18 2009-09-17 Zf Friedrichshafen Ag Piston-cylinder device e.g. double tube vibration damper, for vehicle, has carrier disk, where bending point in region of opening of disk generates smaller axial displacement of segments for higher damping force in pressure direction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670813A (en) * 1950-06-08 1954-03-02 Chrysler Corp Shock absorber
FR1081491A (en) * 1953-07-21 1954-12-20 Damper
FR1093996A (en) * 1953-09-30 1955-05-11 Improvement in shock absorbers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0189220A1 (en) * 1985-01-21 1986-07-30 Koni B.V. Hydraulic twin-pipe shock absorber
EP1548321A1 (en) * 2003-12-23 2005-06-29 Wen-Guey Liou Hydraulic damping device
CN103016468A (en) * 2012-12-31 2013-04-03 江苏大学 Hydraulic inertial container device
CN103016468B (en) * 2012-12-31 2015-06-10 江苏大学 Hydraulic inertial container device
JP2014199078A (en) * 2013-03-29 2014-10-23 日立オートモティブシステムズ株式会社 Damper and method for manufacturing the same
CN108397504A (en) * 2018-03-29 2018-08-14 青岛理工大学 External adjustable variable damping viscous damping devices

Also Published As

Publication number Publication date
DE1292014B (en) 1969-04-03

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