IT8021394A0 - IMPROVEMENTS TO HYDRAULIC SHOCK ABSORBER PISTON VALVES. - Google Patents

IMPROVEMENTS TO HYDRAULIC SHOCK ABSORBER PISTON VALVES.

Info

Publication number: IT8021394A0
Authority: IT; Italy
Prior art keywords: shock absorber; hydraulic shock; absorber piston; piston valves; valves
Prior art date: 1979-04-18

Application number

IT8021394A

Other languages

Italian (it)

Other versions

IT1140922B (en

Inventor

Allinquant Jacques

Original Assignee

J G Allinquant S A Az 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.)

1979-04-18

Filing date

1980-04-16

Publication date

1980-04-16

1980-04-16 Application filed by J G Allinquant S A Az Soc filed Critical J G Allinquant S A Az Soc

1980-04-16 Publication of IT8021394A0 publication Critical patent/IT8021394A0/en

1986-10-10 Application granted granted Critical

1986-10-10 Publication of IT1140922B publication Critical patent/IT1140922B/en

Links

239000006096 absorbing agent Substances 0.000 title 1
230000035939 shock Effects 0.000 title 1

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 true IT8021394A0 (en)	1980-04-16
IT1140922B 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)	ES490672A0 (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
US4934491A (en) *	1987-12-14	1990-06-19	Atsugi Motor Parts Company, Limited	Shock absorber with improved structure of thrusting piston assembly
DE69506148T2 (en) *	1994-03-07	1999-05-06	Delphi Espana Automotive Sys	Suspension leg
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

1979
- 1979-04-18 FR FR7909747A patent/FR2454563A1/en active Granted
1980
- 1980-04-15 PT PT71102A patent/PT71102A/en not_active IP Right Cessation
- 1980-04-16 IT IT21394/80A patent/IT1140922B/en active
- 1980-04-17 ES ES490672A patent/ES490672A0/en active Granted

Also Published As

Publication number	Publication date
IT1140922B (en)	1986-10-10
FR2454563A1 (en)	1980-11-14
ES8101222A1 (en)	1980-12-01
ES490672A0 (en)	1980-12-01
FR2454563B1 (en)	1984-06-15
PT71102A (en)	1980-05-01

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Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19970329