GB1561477A - Hydraulic dampers - Google Patents

Hydraulic dampers Download PDF

Info

Publication number
GB1561477A
GB1561477A GB10297/77A GB1029777A GB1561477A GB 1561477 A GB1561477 A GB 1561477A GB 10297/77 A GB10297/77 A GB 10297/77A GB 1029777 A GB1029777 A GB 1029777A GB 1561477 A GB1561477 A GB 1561477A
Authority
GB
United Kingdom
Prior art keywords
valve seat
valve
hydraulic damper
disc
disc assembly
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
GB10297/77A
Other languages
English (en)
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 JP2797976A external-priority patent/JPS52112072A/ja
Priority claimed from JP1976049580U external-priority patent/JPS5736844Y2/ja
Application filed by Tokico Ltd filed Critical Tokico Ltd
Publication of GB1561477A publication Critical patent/GB1561477A/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
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body
    • F16F9/3485—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by features of supporting elements intended to guide or limit the movement of the annular discs
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7771—Bi-directional flow valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
GB10297/77A 1976-03-15 1977-03-11 Hydraulic dampers Expired GB1561477A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2797976A JPS52112072A (en) 1976-03-15 1976-03-15 Hydraulic bumper
JP1976049580U JPS5736844Y2 (enExample) 1976-04-20 1976-04-20

Publications (1)

Publication Number Publication Date
GB1561477A true GB1561477A (en) 1980-02-20

Family

ID=26365992

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10297/77A Expired GB1561477A (en) 1976-03-15 1977-03-11 Hydraulic dampers

Country Status (5)

Country Link
US (1) US4114735A (enExample)
BR (1) BR7701583A (enExample)
DE (1) DE2711216C2 (enExample)
FR (1) FR2344757A1 (enExample)
GB (1) GB1561477A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050251A3 (en) * 1980-10-16 1983-01-12 Nissan Motor Company, Limited Shock absorber with pressure-relief mechanism
US4401196A (en) 1980-04-23 1983-08-30 Fichtel & Sachs Ag Hydraulic vibration damper with noise reduction damping valves

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628893C2 (de) * 1976-06-26 1981-11-26 Volkswagenwerk Ag, 3180 Wolfsburg Ventilanordnung für einen Schwingungsdämpfer
JPS53117169A (en) * 1977-03-22 1978-10-13 Honda Motor Co Ltd Rolling stock buffer
IT1107118B (it) * 1978-03-14 1985-11-18 Iao Industrie Riunite Spa Perfezionamenti negli ammortizzatori idraulici del tipo telescopico
GB2064710B (en) * 1979-12-04 1984-05-10 Woodhead Ltd Jonas Displacement conscious dampers
US4615420A (en) * 1984-01-23 1986-10-07 Ford Motor Company Piston assembly for shock absorber
US4624347A (en) * 1984-01-23 1986-11-25 Ford Motor Company Piston assembly for shock absorber
JPH0353078Y2 (enExample) * 1986-12-13 1991-11-19
JPH01102536U (enExample) * 1987-12-28 1989-07-11
ES2025453A6 (es) * 1990-07-26 1992-03-16 Pujol & Tarago Dispositivo autorregulador hidraulico para cables de mando de embragues.
GB9407464D0 (en) * 1994-04-15 1994-06-08 Acg Espana Sa Suspension strut
US7377500B2 (en) * 2003-12-26 2008-05-27 Nifco Inc. Shock absorbing device for moving body
DE102006040099A1 (de) * 2006-08-28 2008-03-06 Continental Aktiengesellschaft Ventil für eine Feder-Dämpfer-Einheit
US9452654B2 (en) 2009-01-07 2016-09-27 Fox Factory, Inc. Method and apparatus for an adjustable damper
US10060499B2 (en) 2009-01-07 2018-08-28 Fox Factory, Inc. Method and apparatus for an adjustable damper
US8627932B2 (en) 2009-01-07 2014-01-14 Fox Factory, Inc. Bypass for a suspension damper
US20100170760A1 (en) 2009-01-07 2010-07-08 John Marking Remotely Operated Bypass for a Suspension Damper
US10047817B2 (en) 2009-01-07 2018-08-14 Fox Factory, Inc. Method and apparatus for an adjustable damper
US11306798B2 (en) 2008-05-09 2022-04-19 Fox Factory, Inc. Position sensitive suspension damping with an active valve
US8393446B2 (en) 2008-08-25 2013-03-12 David M Haugen Methods and apparatus for suspension lock out and signal generation
US12491961B2 (en) 2008-11-25 2025-12-09 Fox Factory, Inc. Seat post
US10036443B2 (en) 2009-03-19 2018-07-31 Fox Factory, Inc. Methods and apparatus for suspension adjustment
US9140325B2 (en) 2009-03-19 2015-09-22 Fox Factory, Inc. Methods and apparatus for selective spring pre-load adjustment
US9422018B2 (en) 2008-11-25 2016-08-23 Fox Factory, Inc. Seat post
US11299233B2 (en) 2009-01-07 2022-04-12 Fox Factory, Inc. Method and apparatus for an adjustable damper
US12122205B2 (en) 2009-01-07 2024-10-22 Fox Factory, Inc. Active valve for an internal bypass
US9038791B2 (en) 2009-01-07 2015-05-26 Fox Factory, Inc. Compression isolator for a suspension damper
US8838335B2 (en) 2011-09-12 2014-09-16 Fox Factory, Inc. Methods and apparatus for suspension set up
US8955653B2 (en) 2009-10-13 2015-02-17 Fox Factory, Incorporated Methods and apparatus for controlling a fluid damper
US8672106B2 (en) 2009-10-13 2014-03-18 Fox Factory, Inc. Self-regulating suspension
US10697514B2 (en) 2010-01-20 2020-06-30 Fox Factory, Inc. Remotely operated bypass for a suspension damper
US11279199B2 (en) 2012-01-25 2022-03-22 Fox Factory, Inc. Suspension damper with by-pass valves
US10330171B2 (en) 2012-05-10 2019-06-25 Fox Factory, Inc. Method and apparatus for an adjustable damper
KR101374877B1 (ko) 2012-06-13 2014-03-18 주식회사 만도 쇽업소버의 피스톤 어셈블리
US10737546B2 (en) 2016-04-08 2020-08-11 Fox Factory, Inc. Electronic compression and rebound control

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757663C (de) * 1936-10-13 1953-05-26 Siemens Schuckertwerke A G Einrichtung zur Veraenderung der Impulswertigkeit fuer Fernmess- oder Zaehlanlagen u. dgl.
DE966497C (de) * 1951-06-02 1957-08-14 Boge & Sohn O H G In beiden Richtungen arbeitendes Plattenventil fuer Fluessigkeitsstossdaempfer
DE951693C (de) * 1952-01-11 1956-10-31 Fichtel & Sachs Ag Lamellenventil, insbesondere fuer Stossdaempfer
US2717058A (en) * 1952-11-20 1955-09-06 Gen Motors Corp Shock absorber control valve
NL291950A (enExample) * 1962-04-26 1900-01-01
FR1542408A (fr) * 1964-01-09 1968-10-18 Piston d'amortisseur à clapet flottant
US3757910A (en) * 1971-07-29 1973-09-11 Monroe Auto Equipment Co Shock absorber and compression valve assembly
DE2413833C3 (de) * 1974-03-22 1981-06-25 Volkswagenwerk Ag, 3180 Wolfsburg Ventilanordnung für einen Teleskopschwingungsdämpfer für die Radaufhängung von Kraftfahrzeugen
IT1037130B (it) * 1974-03-22 1979-11-10 Volkswagenwerk Ag Ammortizzatore telescopico in particolare per autveicklo

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4401196A (en) 1980-04-23 1983-08-30 Fichtel & Sachs Ag Hydraulic vibration damper with noise reduction damping valves
EP0050251A3 (en) * 1980-10-16 1983-01-12 Nissan Motor Company, Limited Shock absorber with pressure-relief mechanism

Also Published As

Publication number Publication date
FR2344757A1 (fr) 1977-10-14
DE2711216C2 (de) 1982-12-02
US4114735A (en) 1978-09-19
FR2344757B1 (enExample) 1982-03-26
DE2711216A1 (de) 1977-09-29
BR7701583A (pt) 1978-01-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee