ES2145688A1 - Piston perfeccionado para amortiguadores hidraulicos. - Google Patents

Piston perfeccionado para amortiguadores hidraulicos.

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Publication number
ES2145688A1
ES2145688A1 ES009800138A ES9800138A ES2145688A1 ES 2145688 A1 ES2145688 A1 ES 2145688A1 ES 009800138 A ES009800138 A ES 009800138A ES 9800138 A ES9800138 A ES 9800138A ES 2145688 A1 ES2145688 A1 ES 2145688A1
Authority
ES
Spain
Prior art keywords
piston
closure sheet
closure
shock absorbers
hydraulic shock
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.)
Granted
Application number
ES009800138A
Other languages
English (en)
Other versions
ES2145688B1 (es
Inventor
Viguiristi Joaquin Ancin
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.)
AP Amortiguadores SA
Original Assignee
AP Amortiguadores SA
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 AP Amortiguadores SA filed Critical AP Amortiguadores SA
Priority to ES9800138A priority Critical patent/ES2145688B1/es
Publication of ES2145688A1 publication Critical patent/ES2145688A1/es
Application granted granted Critical
Publication of ES2145688B1 publication Critical patent/ES2145688B1/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Fluid-Damping Devices (AREA)

Abstract

Pistón perfeccionado para amortiguadores hidráulicos. Los amortiguadores hidráulicos convencionales, tanto del tipo monotubo como bitubo, cuentan con un pistón (2) conectado al vástago (3) de accionamiento. Se forman dos cámaras: una de expansión o tracción (4) y otra de compresión (5), inundadas de aceite o fluido similar que pasa de una a otra por orificios calibrados y válvulas existentes en el pistón (2), a consecuencia de los movimientos de elevación y descenso de la rueda correspondiente.Acorde con la invención, una de las caras del pistón posee resaltes frontales (6) adecuadamente distribuidos y portadores de sendos orificios axiales (7) que atraviesan al pistón (2), teniendo un reborde con al menos una muesca (21), sobrela que queda aplicada una lámina de cierre (8) impulsada por un resorte helicoidal (10) que apoya en una tuerca (11) anclada al extremo del vástago (3). Existen otros orificios (13) periféricos ubicados fuera de los resaltes frontales (6), obturados en la otra cara del pistón (2) por una segunda lámina de cierre (14) asistida por un resorte (15) que la mantiene en posición de cierre; existiendo además en esta última cara un reborde o resalte anular (16) de mayor diámetro que la lámina de cierre (14), sobre el que queda aplicada unatercera lámina de cierre (17) asistida por un resorte helicoidal (18).
ES9800138A 1998-01-26 1998-01-26 Piston perfeccionado para amortiguadores hidraulicos. Expired - Lifetime ES2145688B1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9800138A ES2145688B1 (es) 1998-01-26 1998-01-26 Piston perfeccionado para amortiguadores hidraulicos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9800138A ES2145688B1 (es) 1998-01-26 1998-01-26 Piston perfeccionado para amortiguadores hidraulicos.

Publications (2)

Publication Number Publication Date
ES2145688A1 true ES2145688A1 (es) 2000-07-01
ES2145688B1 ES2145688B1 (es) 2001-02-01

Family

ID=8302518

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9800138A Expired - Lifetime ES2145688B1 (es) 1998-01-26 1998-01-26 Piston perfeccionado para amortiguadores hidraulicos.

Country Status (1)

Country Link
ES (1) ES2145688B1 (es)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1156457A (fr) * 1956-07-20 1958-05-16 Amortisseur hydraulique télescopique, notamment pour automobile
EP0336758A2 (en) * 1988-04-06 1989-10-11 Unisia Jecs Corporation Shock absorber with variable damping characteristics depending upon stroke speed
JPH0369834A (ja) * 1989-08-09 1991-03-26 Kayaba Ind Co Ltd 油圧緩衝器の減衰バルブ
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
DE4424434A1 (de) * 1994-07-12 1995-08-03 Fichtel & Sachs Ag Dämpfventil, insbesondere für einen Schwingungsdämpfer
US5441133A (en) * 1992-05-14 1995-08-15 Kayaba Kogyo Kabushiki Kaisha Hydraulic damper having leaf valve stopper

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1156457A (fr) * 1956-07-20 1958-05-16 Amortisseur hydraulique télescopique, notamment pour automobile
EP0336758A2 (en) * 1988-04-06 1989-10-11 Unisia Jecs Corporation Shock absorber with variable damping characteristics depending upon stroke speed
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
JPH0369834A (ja) * 1989-08-09 1991-03-26 Kayaba Ind Co Ltd 油圧緩衝器の減衰バルブ
US5441133A (en) * 1992-05-14 1995-08-15 Kayaba Kogyo Kabushiki Kaisha Hydraulic damper having leaf valve stopper
DE4424434A1 (de) * 1994-07-12 1995-08-03 Fichtel & Sachs Ag Dämpfventil, insbesondere für einen Schwingungsdämpfer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN Vol. 015, no 228 (M-1123) 11.06.1991 & JP 3069834 A (KAYABA) 26.03.1991 *

Also Published As

Publication number Publication date
ES2145688B1 (es) 2001-02-01

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