IT1140922B - IMPROVEMENTS TO THE PISTON VALVES OF HYDRAULIC SHOCK ABSORBERS - Google Patents

IMPROVEMENTS TO THE PISTON VALVES OF HYDRAULIC SHOCK ABSORBERS

Info

Publication number
IT1140922B
IT1140922B IT21394/80A IT2139480A IT1140922B IT 1140922 B IT1140922 B IT 1140922B IT 21394/80 A IT21394/80 A IT 21394/80A IT 2139480 A IT2139480 A IT 2139480A IT 1140922 B IT1140922 B IT 1140922B
Authority
IT
Italy
Prior art keywords
shock absorbers
hydraulic shock
piston valves
valves
piston
Prior art date
Application number
IT21394/80A
Other languages
Italian (it)
Other versions
IT8021394A0 (en
Inventor
Jacques Allinquant
Original Assignee
Allinquant J G Soc
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 Allinquant J G Soc filed Critical Allinquant J G Soc
Publication of IT8021394A0 publication Critical patent/IT8021394A0/en
Application granted granted Critical
Publication of IT1140922B publication Critical patent/IT1140922B/en

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
    • F16F9/3484—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 the annular discs per se, singularly or in combination

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
IT21394/80A 1979-04-18 1980-04-16 IMPROVEMENTS TO THE PISTON VALVES OF HYDRAULIC SHOCK ABSORBERS IT1140922B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7909747A FR2454563A1 (en) 1979-04-18 1979-04-18 Valve for hydraulic shock absorber - has baffles on either side of piston face to allow limited radial liquid flow

Publications (2)

Publication Number Publication Date
IT8021394A0 IT8021394A0 (en) 1980-04-16
IT1140922B true IT1140922B (en) 1986-10-10

Family

ID=9224430

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21394/80A IT1140922B (en) 1979-04-18 1980-04-16 IMPROVEMENTS TO THE PISTON VALVES OF HYDRAULIC SHOCK ABSORBERS

Country Status (4)

Country Link
ES (1) ES8101222A1 (en)
FR (1) FR2454563A1 (en)
IT (1) IT1140922B (en)
PT (1) PT71102A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500899B1 (en) * 1981-02-27 1985-07-05 Allinquant J G IMPROVEMENTS TO HYDRAULIC SHOCK ABSORBER PISTONS TO REDUCE OPERATING NOISES
US4553883A (en) * 1984-02-23 1985-11-19 Kent-Moore Corporation Boring tool with fluid feed
DE3873894T2 (en) * 1987-12-14 1992-12-17 Atsugi Motor Parts Co Ltd SHOCK ABSORBER WITH CHANGES TO THE STRUCTURE CARRYING THE PISTON.
EP0671572B1 (en) * 1994-03-07 1998-11-25 Delphi Automotive Systems Espana Sa Suspension strut
JP5613191B2 (en) * 2012-03-28 2014-10-22 カヤバ工業株式会社 Valve structure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE642604C (en) * 1934-03-07 1937-03-10 Gen Motors Corp Throttling of the damping fluid of shock absorbers for vehicles with suspension by plate valves
US2678061A (en) * 1950-07-25 1954-05-11 Gen Motors Corp Shock absorber valve
FR65878E (en) * 1953-04-16 1956-03-22
FR1255829A (en) * 1959-05-06 1961-03-10 Telescopic shock absorber, in particular for suspension systems for vehicle wheels
FR1545406A (en) * 1967-11-27 1968-11-08 Rheinmetall Gmbh Hydraulic oscillation damper
DE2103153A1 (en) * 1971-01-23 1972-08-03 Fichtel & Sachs Ag Shock absorber valve with protective stop formed by disk springs and pressure relief valve
BE793386A (en) * 1971-12-30 1973-04-16 Monroe Belgium Nv SHOCK ABSORBER
JPS5825896B2 (en) * 1974-06-28 1983-05-30 トキコ株式会社 Kanshiyoukino Gensuiriyokuhatseisouchi
GB1482813A (en) * 1974-10-23 1977-08-17 Woodhead Ltd J Shock absorbers

Also Published As

Publication number Publication date
FR2454563A1 (en) 1980-11-14
FR2454563B1 (en) 1984-06-15
ES490672A0 (en) 1980-12-01
PT71102A (en) 1980-05-01
IT8021394A0 (en) 1980-04-16
ES8101222A1 (en) 1980-12-01

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970329