GB2123922A - Hydraulic damper with adjustable flow path - Google Patents

Hydraulic damper with adjustable flow path Download PDF

Info

Publication number
GB2123922A
GB2123922A GB08316111A GB8316111A GB2123922A GB 2123922 A GB2123922 A GB 2123922A GB 08316111 A GB08316111 A GB 08316111A GB 8316111 A GB8316111 A GB 8316111A GB 2123922 A GB2123922 A GB 2123922A
Authority
GB
United Kingdom
Prior art keywords
piston
cylinder
valve
passages
piston rod
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.)
Withdrawn
Application number
GB08316111A
Other languages
English (en)
Other versions
GB8316111D0 (en
Inventor
Akihiro Shimokura
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.)
Hitachi 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 JP8896182U external-priority patent/JPS58191447U/ja
Priority claimed from JP8896282U external-priority patent/JPS58191448U/ja
Application filed by Tokico Ltd filed Critical Tokico Ltd
Publication of GB8316111D0 publication Critical patent/GB8316111D0/en
Publication of GB2123922A publication Critical patent/GB2123922A/en
Withdrawn legal-status Critical Current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
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • F16F9/466—Throttling control, i.e. regulation of flow passage geometry
    • F16F9/467—Throttling control, i.e. regulation of flow passage geometry using rotary valves
    • F16F9/468—Throttling control, i.e. regulation of flow passage geometry using rotary valves controlling at least one bypass to main flow path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
GB08316111A 1982-06-15 1983-06-13 Hydraulic damper with adjustable flow path Withdrawn GB2123922A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8896182U JPS58191447U (ja) 1982-06-15 1982-06-15 減衰力調整式油圧緩衝器
JP8896282U JPS58191448U (ja) 1982-06-15 1982-06-15 減衰力調整式油圧緩衝器

Publications (2)

Publication Number Publication Date
GB8316111D0 GB8316111D0 (en) 1983-07-20
GB2123922A true GB2123922A (en) 1984-02-08

Family

ID=26430282

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08316111A Withdrawn GB2123922A (en) 1982-06-15 1983-06-13 Hydraulic damper with adjustable flow path

Country Status (2)

Country Link
DE (1) DE3321680A1 (enrdf_load_stackoverflow)
GB (1) GB2123922A (enrdf_load_stackoverflow)

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146734A (en) * 1983-09-20 1985-04-24 Tokico Ltd Hydraulic damper of adjustable damping force type
GB2147685A (en) * 1983-09-29 1985-05-15 Pipe Supports Ltd Damper with adjustable flow path
US4645044A (en) * 1984-06-20 1987-02-24 Tokico Ltd. Hydraulic damper of adjustable damping force type
GB2180320A (en) * 1985-09-11 1987-03-25 Fichtel & Sachs Ag Vibration damper with variable damping force
EP0179818A4 (en) * 1984-04-24 1987-09-21 Comdox Pty Ltd LINEAR MOTION RESISTANCE CELL.
US4765446A (en) * 1986-02-20 1988-08-23 Tokico Ltd. Hydraulic damper of adjustable damping force type
GB2207977A (en) * 1987-08-03 1989-02-15 Plastica & Met Ind Piston for shock absorbers
US4819771A (en) * 1986-02-15 1989-04-11 Daimler-Benz Ag Vibration damper for vehicles
FR2621663A1 (fr) * 1987-10-09 1989-04-14 Tokico Ltd Amortisseur hydraulique du type a force d'amortissement reglable
GB2236574A (en) * 1989-09-20 1991-04-10 Atsugi Unisia Corp Variable damping force shock absorber
US5044474A (en) * 1985-11-05 1991-09-03 Koni B.V. Electrically adjustable shock absorber
US5193655A (en) * 1989-09-20 1993-03-16 Atsugia Unisia Corp. Variable damping force shock absorber with feature of linear and wide range damping force variation depending upon piston stroke speed
GB2265201A (en) * 1989-07-10 1993-09-22 Atsugi Unisia Corp Shock absorber
WO1998039578A1 (en) * 1997-03-05 1998-09-11 Lord Corporation Two-way magnetorheological fluid valve assembly and devices utilizing same
US6659239B2 (en) * 2001-09-10 2003-12-09 Meritor Heavy Vehicle Technology, Llc Shock absorber through the rod damping adjustment
WO2004067990A1 (en) * 2003-01-31 2004-08-12 Arvin Technologies Integrated damping adjustment valve
ITFI20080178A1 (it) * 2008-09-17 2010-03-18 David Ciolini Ammortizzatore oleodinamico
CN102493969A (zh) * 2011-12-19 2012-06-13 宁波千普机械制造有限公司 双活塞杆液压缸
US8616351B2 (en) 2009-10-06 2013-12-31 Tenneco Automotive Operating Company Inc. Damper with digital valve
US9109653B2 (en) 2010-05-20 2015-08-18 Suspa Gmbh Damper
US9163691B2 (en) 2013-03-15 2015-10-20 Tenneco Automotive Operating Company Inc. Rod guide arrangement for electronically controlled valve applications
US9217483B2 (en) 2013-02-28 2015-12-22 Tenneco Automotive Operating Company Inc. Valve switching controls for adjustable damper
CN105650055A (zh) * 2016-03-31 2016-06-08 江阴市洪腾机械有限公司 一种双活塞杆液压缸
US9399383B2 (en) 2013-02-28 2016-07-26 Tenneco Automotive Operating Company Inc. Damper with integrated electronics
US9404551B2 (en) 2013-03-15 2016-08-02 Tenneco Automotive Operating Company Inc. Rod guide assembly with multi-piece valve assembly
CN106678246A (zh) * 2017-03-01 2017-05-17 长春孔辉汽车科技股份有限公司 可调阻尼减振器
US9879748B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Two position valve with face seal and pressure relief port
US9879746B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Rod guide system and method with multiple solenoid valve cartridges and multiple pressure regulated valve assemblies
US9884533B2 (en) 2013-02-28 2018-02-06 Tenneco Automotive Operating Company Inc. Autonomous control damper
ES2696800A1 (es) * 2017-07-17 2019-01-17 Gimeno Manuel Carcare Cilindro amortiguador de impacto.
US10479160B2 (en) 2017-06-06 2019-11-19 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
US10588233B2 (en) 2017-06-06 2020-03-10 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0200446A1 (en) * 1985-04-25 1986-11-05 Moog Inc. A damping mechanism
DE3518327A1 (de) * 1985-05-22 1986-11-27 Boge Gmbh, 5208 Eitorf Hydraulischer, verstellbarer schwingungsdaempfer
DE20115980U1 (de) 2001-09-28 2001-12-06 PATEC Fahrwerktechnik GmbH, 58640 Iserlohn Hydraulischer Teleskopdämpfer
DE102020007517A1 (de) 2020-12-09 2022-06-09 Hydac Mobilhydraulik Gmbh Federungszylinder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1207706A (en) * 1967-12-14 1970-10-07 Barkas Werke Veb Improvements in and relating to shock absorbers
GB1393939A (en) * 1971-09-13 1975-05-14 Cowan A A Shock absorbers
GB2111168A (en) * 1981-11-06 1983-06-29 Tokico Ltd Hydraulic damper with bypass

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159289A (en) * 1937-03-15 1939-05-23 Monree Auto Equipment Company Valve construction
DE757065C (de) * 1939-10-24 1950-10-03 Fichtel & Sachs Ag In beiden Stroemungsrichtungen arbeitendes Regelventil fuer Fluessigkeits-Stossdaempfer mit Ausgleichraum, insbesondere fuer Kraftwagen
DE951693C (de) * 1952-01-11 1956-10-31 Fichtel & Sachs Ag Lamellenventil, insbesondere fuer Stossdaempfer
DE969330C (de) * 1952-10-19 1958-05-22 Hemscheidt Maschf Hermann Von aussen verstellbare Ventilanordnung fuer Stossdaempfer
GB2016647B (en) * 1978-02-06 1982-10-20 Tokico Ltd Adjusting hydraulic damper
US4620619A (en) * 1982-05-20 1986-11-04 Atsugi Motor Parts Co., Ltd. Variable-damping-force shock absorber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1207706A (en) * 1967-12-14 1970-10-07 Barkas Werke Veb Improvements in and relating to shock absorbers
GB1393939A (en) * 1971-09-13 1975-05-14 Cowan A A Shock absorbers
GB2111168A (en) * 1981-11-06 1983-06-29 Tokico Ltd Hydraulic damper with bypass

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146734A (en) * 1983-09-20 1985-04-24 Tokico Ltd Hydraulic damper of adjustable damping force type
US4800994A (en) * 1983-09-20 1989-01-31 Tokico Ltd. Hydraulic damper of adjustable damping force type
GB2147685A (en) * 1983-09-29 1985-05-15 Pipe Supports Ltd Damper with adjustable flow path
EP0179818A4 (en) * 1984-04-24 1987-09-21 Comdox Pty Ltd LINEAR MOTION RESISTANCE CELL.
US4645044A (en) * 1984-06-20 1987-02-24 Tokico Ltd. Hydraulic damper of adjustable damping force type
GB2180320B (en) * 1985-09-11 1989-09-06 Fichtel & Sachs Ag Vibration damper with variable damping force
GB2180320A (en) * 1985-09-11 1987-03-25 Fichtel & Sachs Ag Vibration damper with variable damping force
US5044474A (en) * 1985-11-05 1991-09-03 Koni B.V. Electrically adjustable shock absorber
US4819771A (en) * 1986-02-15 1989-04-11 Daimler-Benz Ag Vibration damper for vehicles
US4765446A (en) * 1986-02-20 1988-08-23 Tokico Ltd. Hydraulic damper of adjustable damping force type
GB2207977B (en) * 1987-08-03 1992-01-22 Plastica & Met Ind Piston for shock absorbers
GB2207977A (en) * 1987-08-03 1989-02-15 Plastica & Met Ind Piston for shock absorbers
FR2621663A1 (fr) * 1987-10-09 1989-04-14 Tokico Ltd Amortisseur hydraulique du type a force d'amortissement reglable
GB2265201A (en) * 1989-07-10 1993-09-22 Atsugi Unisia Corp Shock absorber
GB2265201B (en) * 1989-07-10 1994-01-05 Atsugi Unisia Corp Shock absorber
US5193655A (en) * 1989-09-20 1993-03-16 Atsugia Unisia Corp. Variable damping force shock absorber with feature of linear and wide range damping force variation depending upon piston stroke speed
GB2236574B (en) * 1989-09-20 1993-05-12 Atsugi Unisia Corp Improvements in and relating to shock absorbers
GB2236574A (en) * 1989-09-20 1991-04-10 Atsugi Unisia Corp Variable damping force shock absorber
WO1998039578A1 (en) * 1997-03-05 1998-09-11 Lord Corporation Two-way magnetorheological fluid valve assembly and devices utilizing same
US6095486A (en) * 1997-03-05 2000-08-01 Lord Corporation Two-way magnetorheological fluid valve assembly and devices utilizing same
US6158470A (en) * 1997-03-05 2000-12-12 Lord Corporation Two-way magnetorheological fluid valve assembly and devices utilizing same
US6659239B2 (en) * 2001-09-10 2003-12-09 Meritor Heavy Vehicle Technology, Llc Shock absorber through the rod damping adjustment
WO2004067990A1 (en) * 2003-01-31 2004-08-12 Arvin Technologies Integrated damping adjustment valve
US7347307B2 (en) 2003-01-31 2008-03-25 Arvin Technologies Integrated damping adjustment valve
ITFI20080178A1 (it) * 2008-09-17 2010-03-18 David Ciolini Ammortizzatore oleodinamico
EP2166250A1 (en) * 2008-09-17 2010-03-24 Stefano Quirini Oleodynamic damper
US8616351B2 (en) 2009-10-06 2013-12-31 Tenneco Automotive Operating Company Inc. Damper with digital valve
US9150077B2 (en) 2009-10-06 2015-10-06 Tenneco Automotive Operating Company Inc. Damper with digital valve
US9810282B2 (en) 2009-10-06 2017-11-07 Tenneco Automotive Operating Company Inc. Damper with digital valve
US9695900B2 (en) 2009-10-06 2017-07-04 Tenneco Automotive Operating Company Inc. Damper with digital valve
US9109653B2 (en) 2010-05-20 2015-08-18 Suspa Gmbh Damper
CN102493969A (zh) * 2011-12-19 2012-06-13 宁波千普机械制造有限公司 双活塞杆液压缸
CN102493969B (zh) * 2011-12-19 2014-10-08 宁波千普机械制造有限公司 双活塞杆液压缸
US10000104B2 (en) 2013-02-28 2018-06-19 Tenneco Automotive Operating Company Inc. Damper with integrated electronics
US9399383B2 (en) 2013-02-28 2016-07-26 Tenneco Automotive Operating Company Inc. Damper with integrated electronics
US9925842B2 (en) 2013-02-28 2018-03-27 Tenneco Automotive Operating Company Inc. Valve switching controls for adjustable damper
US9884533B2 (en) 2013-02-28 2018-02-06 Tenneco Automotive Operating Company Inc. Autonomous control damper
US9217483B2 (en) 2013-02-28 2015-12-22 Tenneco Automotive Operating Company Inc. Valve switching controls for adjustable damper
US9802456B2 (en) 2013-02-28 2017-10-31 Tenneco Automotive Operating Company Inc. Damper with integrated electronics
US9404551B2 (en) 2013-03-15 2016-08-02 Tenneco Automotive Operating Company Inc. Rod guide assembly with multi-piece valve assembly
US9879748B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Two position valve with face seal and pressure relief port
US9879746B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Rod guide system and method with multiple solenoid valve cartridges and multiple pressure regulated valve assemblies
US9163691B2 (en) 2013-03-15 2015-10-20 Tenneco Automotive Operating Company Inc. Rod guide arrangement for electronically controlled valve applications
CN105650055A (zh) * 2016-03-31 2016-06-08 江阴市洪腾机械有限公司 一种双活塞杆液压缸
CN106678246A (zh) * 2017-03-01 2017-05-17 长春孔辉汽车科技股份有限公司 可调阻尼减振器
US10479160B2 (en) 2017-06-06 2019-11-19 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
US10588233B2 (en) 2017-06-06 2020-03-10 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
ES2696800A1 (es) * 2017-07-17 2019-01-17 Gimeno Manuel Carcare Cilindro amortiguador de impacto.

Also Published As

Publication number Publication date
GB8316111D0 (en) 1983-07-20
DE3321680C2 (enrdf_load_stackoverflow) 1991-08-01
DE3321680A1 (de) 1984-01-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)