BR9914432A - émbolo com efeito de vedação em função da pressão para um conjunto de êmbolo e cilindro, especialmente para um êmbolo de amortecedor - Google Patents

émbolo com efeito de vedação em função da pressão para um conjunto de êmbolo e cilindro, especialmente para um êmbolo de amortecedor

Info

Publication number
BR9914432A
BR9914432A BR9914432-8A BR9914432A BR9914432A BR 9914432 A BR9914432 A BR 9914432A BR 9914432 A BR9914432 A BR 9914432A BR 9914432 A BR9914432 A BR 9914432A
Authority
BR
Brazil
Prior art keywords
piston
webs
pressure
sealing effect
cylinder assembly
Prior art date
Application number
BR9914432-8A
Other languages
English (en)
Inventor
Ewald May
Original Assignee
Gkn Sinter Metals Gmbh
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 Gkn Sinter Metals Gmbh filed Critical Gkn Sinter Metals Gmbh
Publication of BR9914432A publication Critical patent/BR9914432A/pt

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
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/368—Sealings in pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/143—Sealing provided on the piston
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sealing Devices (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

Patente de Invenção: <B>''êMBOLO COM EFEITO DE VEDAçãO EM FUNçãO DA PRESSãO PARA UM CONJUNTO DE êMBOLO E CILINDRO, ESPECIALMENTE PARA UM êMBOLO DE AMORTECEDOR''<D>. êmbolo para um conjunto de êmbolo e cilindro, especialmente para um êmbolo de amortecedor, com um corpo do êmbolo (6) que na sua superfície periférica possui pelo menos duas nervuras periféricas (10) que delimitam uma ranhura (11), no qual é formada ainda sobre as nervuras uma vedação em forma de colar (9) de um material sintético moldável a quente que cobre as nervuras (10), e com canais de passagem (7, 8) axiais no corpo do êmbolo que são fechados por meio de válvulas de estrangulamento (7.1, 8.1) que abrem para um lado, e com pelo menos uma abertura radial (12) que une pelo menos um canal de passagem (7, 8) com a ranhura (11) entre duas nervuras (10).
BR9914432-8A 1998-10-14 1999-10-12 émbolo com efeito de vedação em função da pressão para um conjunto de êmbolo e cilindro, especialmente para um êmbolo de amortecedor BR9914432A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19847343A DE19847343A1 (de) 1998-10-14 1998-10-14 Kolben mit druckabhängiger Dichtwirkung für eine Kolben-Zylinder-Anordnung, insbesondere Stoßdämpferkolben
PCT/EP1999/007640 WO2000022318A1 (de) 1998-10-14 1999-10-12 Kolben mit druckabhängiger dichtwirkung für eine kolben-zylinder-anordnung, insbesondere stossdämpferkolben

Publications (1)

Publication Number Publication Date
BR9914432A true BR9914432A (pt) 2001-07-03

Family

ID=7884436

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9914432-8A BR9914432A (pt) 1998-10-14 1999-10-12 émbolo com efeito de vedação em função da pressão para um conjunto de êmbolo e cilindro, especialmente para um êmbolo de amortecedor

Country Status (9)

Country Link
US (1) US6481336B2 (pt)
EP (1) EP1121543B1 (pt)
JP (1) JP2002527691A (pt)
AT (1) ATE232269T1 (pt)
AU (1) AU6470499A (pt)
BR (1) BR9914432A (pt)
DE (2) DE19847343A1 (pt)
ES (1) ES2190259T3 (pt)
WO (1) WO2000022318A1 (pt)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847342A1 (de) * 1998-10-14 2000-08-17 Gkn Sinter Metals Holding Gmbh Kolben mit Stützstegen für eine Kolben-Zylinder-Anordnung, insbesondere Stoßdämpferkolben
JP4529107B2 (ja) * 2000-10-31 2010-08-25 日立オートモティブシステムズ株式会社 油圧緩衝器
DE10108246A1 (de) * 2001-02-21 2002-09-19 Gkn Sinter Metals Gmbh Kolben mit Stützstegen für eine Kolben-Zylinder-Anordnung, insbesondere Stoßdämpferkolben
JP2004003562A (ja) 2002-05-31 2004-01-08 Mitsubishi Motors Corp ショックアブソーバ
RU2230936C2 (ru) * 2002-07-09 2004-06-20 Панчеха Юрий Степанович Поршень бурового насоса
DE10245404A1 (de) * 2002-09-28 2004-04-08 Gkn Sinter Metals Gmbh Pulvermetallurgisch hergestellter Kolbenkörper mit Stützstegen und Verfahren zu seiner Herstellung
DE10250070B4 (de) * 2002-10-25 2007-01-04 Carl Freudenberg Kg Kolben
EP1585909B1 (de) * 2003-01-03 2014-07-09 Zimmer, Günther Führungssystem mit pneumatischer verzögerungsvorrichtung
DE10305386B3 (de) * 2003-02-11 2004-09-02 Thyssenkrupp Bilstein Gmbh Blow-off-Ventil für einen hydraulischen Stoßdämpfer
US20050103192A1 (en) * 2003-11-14 2005-05-19 Leyland Jon D. Reciprocating element
DE102005012072A1 (de) * 2005-03-16 2006-09-28 Volkswagen Ag Kolbenführung
JP4796439B2 (ja) * 2006-05-17 2011-10-19 株式会社ショーワ 緩衝器用樹脂被膜ピストン装置
US20080098886A1 (en) * 2006-10-27 2008-05-01 Hydro-Components Research And Development Corporation Piston assembly and method of manufacturing piston assembly
JP4898563B2 (ja) * 2007-06-06 2012-03-14 カヤバ工業株式会社 ピストン
JP2009019642A (ja) * 2007-07-10 2009-01-29 Kayaba Ind Co Ltd 緩衝器および緩衝器の製造方法
DE102007036017A1 (de) * 2007-07-30 2009-02-19 Gkn Sinter Metals Holding Gmbh Kolben für eine Kolben-Zylinder-Anordnung und Herstellungsverfahren
US8245888B2 (en) * 2008-10-24 2012-08-21 S.C. Johnson & Son, Inc. Barrier piston with seal
US8555635B2 (en) * 2009-01-15 2013-10-15 Hallite Seals Americas, Inc. Hydraulic system for synchronizing a plurality of pistons and an associated method
EP2488771B1 (en) * 2009-10-14 2015-04-08 Cultraro Automazione Engineering S.r.l. Linear shock absorber
KR101288613B1 (ko) * 2011-08-11 2013-07-22 주식회사 만도 쇽업소버의 피스톤 어셈블리
KR101374875B1 (ko) * 2011-12-30 2014-03-18 주식회사 만도 쇽업소버의 피스톤 어셈블리
DE102012219348A1 (de) * 2012-10-23 2014-04-24 Robert Bosch Gmbh Pumpenelement für ein Hydraulikaggregat mit einem Pumpenkolben
DE102014202796A1 (de) * 2014-02-17 2015-08-20 Robert Bosch Gmbh Kolben-Kraftstoffpumpe für eine Brennkraftmaschine
DE102015212404A1 (de) 2015-07-02 2017-01-05 Volkswagen Aktiengesellschaft Hydraulischer Schwingungsdämpfer
DE102016214413B4 (de) 2016-08-04 2019-05-29 Ford Global Technologies, Llc Stoßdämpfer mit variabler Dämpfung und Verfahren zum Einstellen der Dämpfungseigenschaften eines Stoßdämpfers
US10247272B2 (en) * 2016-08-05 2019-04-02 Beijingwest Industries Co., Ltd. Hydraulic damper having self-adjusting wear band
CN111536186B (zh) * 2019-05-06 2021-07-23 北京京西重工有限公司 阻尼器组件和用于阻尼器组件的活塞
DE112020002358T5 (de) 2019-05-13 2022-01-27 Tenneco Automotive Operating Company Inc. Hydraulischer Kompressionsanschlag mit vorgespanntem Kolben
DE102019212966A1 (de) * 2019-08-29 2021-03-04 Zf Friedrichshafen Ag Dämpfventileinrichtung mit progressiver Dämpfkraftkennlinie
DE112020004785T5 (de) * 2019-10-02 2022-06-15 Hitachi Astemo, Ltd. Stossdämpfer
DE102020209101A1 (de) * 2020-07-21 2022-01-27 Zf Friedrichshafen Ag Drosselstelle mit einem sich im Durchmesser ändernden Ventilkörper
DE102022207973A1 (de) * 2022-08-02 2024-02-08 Zf Friedrichshafen Ag Dämpfventilanordnung für einen Schwingungsdämpfer sowie Schwingungsdämpfer mit der Dämpfventilanordnung und Verfahren zur Bestückung eines Schwingungsdämpfers

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Publication number Priority date Publication date Assignee Title
FR757515A (fr) * 1932-09-26 1933-12-27 Dispositif perfectionné de suspension pneumatique
US2240644A (en) * 1939-01-28 1941-05-06 Nevin S Focht Hydraulic shock absorber
US3212411A (en) 1964-02-14 1965-10-19 Duriron Co Fluid tight self-lubricating cylinder assembly
DE3611288C2 (de) * 1986-04-04 1996-09-19 Fichtel & Sachs Ag Kolben für einen Zweirohrschwingungsdämpfer
EP0345561A3 (de) * 1988-06-04 1990-09-19 Manfred Fietz Teleskopierende Vorrichtung sowie Verfahren zu deren Herstellung
DE8908341U1 (de) * 1989-07-08 1989-08-31 Sintermetallwerk Krebsöge GmbH, 42477 Radevormwald Kolben für Schwingungsdämpfer, insbesondere Stoßdämpfer von Kraftfahrzeugen
ES2051655T3 (es) * 1992-02-26 1995-01-01 Ringsdorff Sinter Gmbh Piston de amortiguador de impactos de multiples piezas con elementos ensamblados.
US5435233A (en) 1993-07-06 1995-07-25 Tri Dayton, Inc. Banded piston
DE4343428A1 (de) 1993-12-18 1995-06-22 Ringsdorff Sinter Gmbh Spritzgegossene Führungs- und Dichtelemente an Sinterteilen für Stoßdämpfer
DE4421968C2 (de) * 1994-06-23 1997-09-11 Bilstein August Gmbh Co Kg Dichtung für Dämpfungskolben

Also Published As

Publication number Publication date
JP2002527691A (ja) 2002-08-27
WO2000022318A1 (de) 2000-04-20
DE19847343A1 (de) 2000-04-20
US20020056368A1 (en) 2002-05-16
AU6470499A (en) 2000-05-01
ATE232269T1 (de) 2003-02-15
EP1121543A1 (de) 2001-08-08
EP1121543B1 (de) 2003-02-05
ES2190259T3 (es) 2003-07-16
US6481336B2 (en) 2002-11-19
DE59904242D1 (de) 2003-03-13

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/10/1999, OBSERVADAS AS CONDICOES LEGAIS.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE 11A., E 12A. ANUIDADE(S).

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2343 DE 01-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.