IT973232B - Ammortizzatore - Google Patents
AmmortizzatoreInfo
- Publication number
- IT973232B IT973232B IT33966/72A IT3396672A IT973232B IT 973232 B IT973232 B IT 973232B IT 33966/72 A IT33966/72 A IT 33966/72A IT 3396672 A IT3396672 A IT 3396672A IT 973232 B IT973232 B IT 973232B
- Authority
- IT
- Italy
- Prior art keywords
- shock absorber
- absorber
- shock
- Prior art date
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
- F16F9/341—Special valve constructions; Shape or construction of throttling passages comprising noise-reducing or like features, e.g. screens
-
- 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
-
- 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
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7847—With leak passage
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21396071A | 1971-12-30 | 1971-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT973232B true IT973232B (it) | 1974-06-10 |
Family
ID=22797208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT33966/72A IT973232B (it) | 1971-12-30 | 1972-12-29 | Ammortizzatore |
Country Status (14)
Country | Link |
---|---|
US (1) | US3756357A (it) |
JP (1) | JPS4877270A (it) |
AU (1) | AU469341B2 (it) |
BE (1) | BE793386A (it) |
BR (1) | BR7209283D0 (it) |
DE (1) | DE2264139C3 (it) |
ES (1) | ES410197A1 (it) |
FR (1) | FR2170631A5 (it) |
GB (1) | GB1387150A (it) |
IT (1) | IT973232B (it) |
NL (1) | NL156797B (it) |
NO (1) | NO131361C (it) |
SE (1) | SE391790B (it) |
ZA (1) | ZA729005B (it) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1482813A (en) * | 1974-10-23 | 1977-08-17 | Woodhead Ltd J | Shock absorbers |
US4203507A (en) * | 1977-04-29 | 1980-05-20 | Honda Giken Kogyo Kabushiki Kaisha | Shock absorber |
CA1096410A (en) * | 1977-06-13 | 1981-02-24 | Jan M. A. Wijnhoven | Shock absorber piston |
IT1107174B (it) * | 1978-03-21 | 1985-11-25 | Iao Industrie Riunite Spa | Perfezionamenti negli ammortizzatori idraulici del tipo telescopico |
FR2454563A1 (fr) * | 1979-04-18 | 1980-11-14 | Allinquant J G | Perfectionnements aux soupapes de pistons d'amortisseurs hydrauliques |
DE3015596A1 (de) * | 1980-04-23 | 1981-10-29 | Fichtel & Sachs Ag, 8720 Schweinfurt | Hydraulischer schwingungsdaempfer mit geraeuscharmen daempfventilen |
US4352417A (en) * | 1980-10-03 | 1982-10-05 | Ford Motor Company | Control valve for shock absorber pistons and the like |
DE3100886A1 (de) * | 1981-01-14 | 1982-08-05 | Fichtel & Sachs Ag, 8720 Schweinfurt | Hydraulischer schwingungsdaempfer mit geraeuscharmen daempfventilen |
FR2500899B1 (fr) * | 1981-02-27 | 1985-07-05 | Allinquant J G | Perfectionnements apportes aux pistons d'amortisseurs hydrauliques pour en attenuer les bruits de fonctionnement |
US4445333A (en) * | 1981-07-16 | 1984-05-01 | General Motors Corporation | Valve assembly |
US4610332A (en) * | 1981-11-05 | 1986-09-09 | Ford Motor Company | Velocity sensitive valve element for a shock absorber |
JPS597943U (ja) * | 1982-07-08 | 1984-01-19 | カヤバ工業株式会社 | 油圧緩衝器に於けるピストン部の圧側リ−フバルブ構造 |
GB2191843B (en) * | 1986-06-12 | 1989-12-20 | Hollingsworth Uk Ltd | Vibration damper |
JP2839252B2 (ja) * | 1987-11-19 | 1998-12-16 | 株式会社ユニシアジェックス | 液圧緩衝器 |
US5316113A (en) * | 1987-11-19 | 1994-05-31 | Atsugi Motor Parts Company Ltd. | Hydraulic shock absorber |
JPH01102536U (it) * | 1987-12-28 | 1989-07-11 | ||
US5042624A (en) * | 1988-09-29 | 1991-08-27 | Atsugi Unisia Corporation | Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force |
DE3840302C2 (de) * | 1988-11-30 | 1999-06-10 | Mannesmann Sachs Ag | Geräuscharmes Dämpfventil |
US5148897A (en) * | 1991-07-18 | 1992-09-22 | Monroe Auto Equipment Company | Piston valving for shock absorbers |
US5699885A (en) * | 1993-03-18 | 1997-12-23 | Fichtel & Sachs Ag | Vibration damper with adjustable damping force |
DE4445926C1 (de) * | 1994-12-22 | 1996-04-18 | Fichtel & Sachs Ag | Teleskop-Schwingungsdämpfer |
US5769190A (en) * | 1996-01-16 | 1998-06-23 | Tenneco Automotive Inc. | Continuous controlled restriction valve for a shock absorber |
US5813500A (en) * | 1996-03-25 | 1998-09-29 | Tenneco Automotive Inc. | Anti-swish mechanism for a damper |
GB2314602B (en) * | 1996-06-28 | 2000-09-20 | Delphi Espana Automotive Sys | Suspension strut |
US5755305A (en) * | 1997-02-07 | 1998-05-26 | Monroe Auto Equipment Division Of Tenneco Automotive Inc. | Hydraulic vibration damper with noise reducing valve structure |
US5911290A (en) * | 1997-02-20 | 1999-06-15 | Tenneco Automotive Inc. | Step motor actuated continuous variable shock absorber |
US6199671B1 (en) | 1998-09-14 | 2001-03-13 | New Joules Engineering (Sales) Proprietary) Limited | Shock absorber |
US6662913B2 (en) * | 2000-02-08 | 2003-12-16 | Gabriel Ride Control Products, Inc. | Shock absorber |
DE10305386B3 (de) * | 2003-02-11 | 2004-09-02 | Thyssenkrupp Bilstein Gmbh | Blow-off-Ventil für einen hydraulischen Stoßdämpfer |
JP4955241B2 (ja) * | 2005-09-07 | 2012-06-20 | カヤバ工業株式会社 | 油圧緩衝器の減衰力発生バルブ構造 |
DE102008042251B3 (de) * | 2008-09-22 | 2010-04-08 | Zf Friedrichshafen Ag | Geräuschoptimierter Schwingungsdämpfer |
JP2012517925A (ja) * | 2009-02-16 | 2012-08-09 | マリア、フィリップ ディ | アクティブ懸架システム及び該アクティブ懸架システムに使用する流体圧駆動ラム |
AU2010257464B2 (en) * | 2009-12-30 | 2012-12-06 | Vilo Niumeitolu | Shock absorber |
DE102011010070A1 (de) * | 2011-02-01 | 2012-08-02 | Hydac Technology Gmbh | Hydropneumatische Kolbenzylinderanordnung |
US10578183B2 (en) | 2017-01-24 | 2020-03-03 | Beijingwest Industries Co., Ltd. | Twin-tube hydraulic damper with a vibration suppressing device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2546051A (en) * | 1950-01-05 | 1951-03-20 | Patent Dev Company | Shock absorber |
US2732039A (en) * | 1952-11-20 | 1956-01-24 | Shock absorber control valve | |
GB867905A (en) * | 1958-11-13 | 1961-05-10 | Allinquant Fernand St | Improvements in and relating to hydraulic damping devices |
DE1802720A1 (de) * | 1967-11-02 | 1969-06-26 | Monroe Auto Equipment Co | Stossdaempfer |
-
0
- BE BE793386D patent/BE793386A/nl unknown
-
1971
- 1971-12-30 US US00213960A patent/US3756357A/en not_active Expired - Lifetime
-
1972
- 1972-12-12 AU AU49939/72A patent/AU469341B2/en not_active Expired
- 1972-12-20 ZA ZA729005A patent/ZA729005B/xx unknown
- 1972-12-22 NO NO4757/72A patent/NO131361C/no unknown
- 1972-12-28 SE SE7217038A patent/SE391790B/xx unknown
- 1972-12-28 JP JP48004342A patent/JPS4877270A/ja active Pending
- 1972-12-29 BR BR009283/72A patent/BR7209283D0/pt unknown
- 1972-12-29 GB GB6012672A patent/GB1387150A/en not_active Expired
- 1972-12-29 IT IT33966/72A patent/IT973232B/it active
- 1972-12-29 DE DE2264139A patent/DE2264139C3/de not_active Expired
- 1972-12-29 FR FR7246857A patent/FR2170631A5/fr not_active Expired
- 1972-12-29 ES ES410197A patent/ES410197A1/es not_active Expired
- 1972-12-29 NL NL7217801.A patent/NL156797B/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1387150A (en) | 1975-03-12 |
DE2264139C3 (de) | 1982-02-25 |
AU4993972A (en) | 1974-07-04 |
BE793386A (nl) | 1973-04-16 |
JPS4877270A (it) | 1973-10-17 |
NO131361B (it) | 1975-02-03 |
SE391790B (sv) | 1977-02-28 |
FR2170631A5 (it) | 1973-09-14 |
AU469341B2 (en) | 1974-07-04 |
DE2264139B2 (de) | 1976-12-09 |
ZA729005B (en) | 1973-09-26 |
US3756357A (en) | 1973-09-04 |
NL7217801A (it) | 1973-07-03 |
ES410197A1 (es) | 1975-12-01 |
BR7209283D0 (pt) | 1973-08-30 |
NL156797B (nl) | 1978-05-16 |
NO131361C (it) | 1975-05-14 |
DE2264139A1 (de) | 1973-07-12 |
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