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IT1401611B1 - PISTON FOR SHOCK ABSORBER WITH VARIABLE DAMPING, PARTICULARLY FOR SUSPENSION OF VEHICLE, PROVIDED WITH FOUR PASSIVE VALVES OF FLOW CONTROL AND OF A FLOW RETURN ELECTROVALVE. - Google Patents

PISTON FOR SHOCK ABSORBER WITH VARIABLE DAMPING, PARTICULARLY FOR SUSPENSION OF VEHICLE, PROVIDED WITH FOUR PASSIVE VALVES OF FLOW CONTROL AND OF A FLOW RETURN ELECTROVALVE.

Info

Publication number
IT1401611B1
IT1401611B1 ITTO2010A000676A ITTO20100676A IT1401611B1 IT 1401611 B1 IT1401611 B1 IT 1401611B1 IT TO2010A000676 A ITTO2010A000676 A IT TO2010A000676A IT TO20100676 A ITTO20100676 A IT TO20100676A IT 1401611 B1 IT1401611 B1 IT 1401611B1
Authority
IT
Italy
Prior art keywords
electrovalve
piston
suspension
vehicle
shock absorber
Prior art date
Application number
ITTO2010A000676A
Other languages
Italian (it)
Inventor
Massimo Trinchera
Lillo Gianfranco De
Walter Bruno
Original Assignee
Sistemi Sospensioni Spa
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 Sistemi Sospensioni Spa filed Critical Sistemi Sospensioni Spa
Priority to ITTO2010A000676A priority Critical patent/IT1401611B1/en
Publication of ITTO20100676A1 publication Critical patent/ITTO20100676A1/en
Application granted granted Critical
Publication of IT1401611B1 publication Critical patent/IT1401611B1/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
    • 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
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • F16F9/464—Control of valve bias or pre-stress, e.g. electromagnetically
    • 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
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Vehicle Body Suspensions (AREA)
ITTO2010A000676A 2010-08-04 2010-08-04 PISTON FOR SHOCK ABSORBER WITH VARIABLE DAMPING, PARTICULARLY FOR SUSPENSION OF VEHICLE, PROVIDED WITH FOUR PASSIVE VALVES OF FLOW CONTROL AND OF A FLOW RETURN ELECTROVALVE. IT1401611B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITTO2010A000676A IT1401611B1 (en) 2010-08-04 2010-08-04 PISTON FOR SHOCK ABSORBER WITH VARIABLE DAMPING, PARTICULARLY FOR SUSPENSION OF VEHICLE, PROVIDED WITH FOUR PASSIVE VALVES OF FLOW CONTROL AND OF A FLOW RETURN ELECTROVALVE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2010A000676A IT1401611B1 (en) 2010-08-04 2010-08-04 PISTON FOR SHOCK ABSORBER WITH VARIABLE DAMPING, PARTICULARLY FOR SUSPENSION OF VEHICLE, PROVIDED WITH FOUR PASSIVE VALVES OF FLOW CONTROL AND OF A FLOW RETURN ELECTROVALVE.

Publications (2)

Publication Number Publication Date
ITTO20100676A1 ITTO20100676A1 (en) 2012-02-05
IT1401611B1 true IT1401611B1 (en) 2013-07-26

Family

ID=43662041

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2010A000676A IT1401611B1 (en) 2010-08-04 2010-08-04 PISTON FOR SHOCK ABSORBER WITH VARIABLE DAMPING, PARTICULARLY FOR SUSPENSION OF VEHICLE, PROVIDED WITH FOUR PASSIVE VALVES OF FLOW CONTROL AND OF A FLOW RETURN ELECTROVALVE.

Country Status (1)

Country Link
IT (1) IT1401611B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5738190A (en) * 1996-03-20 1998-04-14 Monroe Auto Equipment Company Flexing disc-blow off assembly for use in a shock absorber
DE19808698A1 (en) * 1998-03-11 1999-09-16 Schreiber Jens Uwe Automotive shock absorber with differential characteristics
US6776269B1 (en) * 2003-06-18 2004-08-17 Tenneco Automotive Operating Company, Inc. Twin piston shock absorber
JP4967091B2 (en) * 2007-04-19 2012-07-04 日立オートモティブシステムズ株式会社 Fluid pressure buffer

Also Published As

Publication number Publication date
ITTO20100676A1 (en) 2012-02-05

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