ITMI20032379A1 - DYNAMIC ELECTRO-HYDRAULIC SEMI-DENSIVE DAMPING DEVICE PERFORMED BY MEANS OF LOCOMOTION. - Google Patents

DYNAMIC ELECTRO-HYDRAULIC SEMI-DENSIVE DAMPING DEVICE PERFORMED BY MEANS OF LOCOMOTION.

Info

Publication number
ITMI20032379A1
ITMI20032379A1 ITMI20032379A ITMI20032379A1 IT MI20032379 A1 ITMI20032379 A1 IT MI20032379A1 IT MI20032379 A ITMI20032379 A IT MI20032379A IT MI20032379 A1 ITMI20032379 A1 IT MI20032379A1
Authority
IT
Italy
Prior art keywords
densive
locomotion
damping device
device performed
dynamic electro
Prior art date
Application number
Other languages
Italian (it)
Inventor
Silvestri Ing Fosco De
Original Assignee
Isocomp S P A
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 Isocomp S P A filed Critical Isocomp S P A
Priority to ITMI20032379 priority Critical patent/ITMI20032379A1/en
Priority to PCT/IB2004/052667 priority patent/WO2005053973A1/en
Priority to EP04801464A priority patent/EP1694519A1/en
Publication of ITMI20032379A1 publication Critical patent/ITMI20032379A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/22—Guiding of the vehicle underframes with respect to the bogies
    • B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
    • B61F5/245—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes by active damping, i.e. with means to vary the damping characteristics in accordance with track or vehicle induced reactions, especially in high speed mode
    • 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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/20—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with the piston-rod extending through both ends of the cylinder, e.g. constant-volume dampers
    • 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
    • F16F9/465—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 using servo control, the servo pressure being created by the flow of damping fluid, e.g. controlling pressure in a chamber downstream of a pilot passage
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/08—Sensor arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
ITMI20032379 2003-12-04 2003-12-04 DYNAMIC ELECTRO-HYDRAULIC SEMI-DENSIVE DAMPING DEVICE PERFORMED BY MEANS OF LOCOMOTION. ITMI20032379A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITMI20032379 ITMI20032379A1 (en) 2003-12-04 2003-12-04 DYNAMIC ELECTRO-HYDRAULIC SEMI-DENSIVE DAMPING DEVICE PERFORMED BY MEANS OF LOCOMOTION.
PCT/IB2004/052667 WO2005053973A1 (en) 2003-12-04 2004-12-06 Improved electro-hydraulic semi-active dynamic damping device for transport vehicles
EP04801464A EP1694519A1 (en) 2003-12-04 2004-12-06 Improved electro-hydraulic semi-active dynamic damping device for transport vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20032379 ITMI20032379A1 (en) 2003-12-04 2003-12-04 DYNAMIC ELECTRO-HYDRAULIC SEMI-DENSIVE DAMPING DEVICE PERFORMED BY MEANS OF LOCOMOTION.

Publications (1)

Publication Number Publication Date
ITMI20032379A1 true ITMI20032379A1 (en) 2005-06-05

Family

ID=34640365

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI20032379 ITMI20032379A1 (en) 2003-12-04 2003-12-04 DYNAMIC ELECTRO-HYDRAULIC SEMI-DENSIVE DAMPING DEVICE PERFORMED BY MEANS OF LOCOMOTION.

Country Status (3)

Country Link
EP (1) EP1694519A1 (en)
IT (1) ITMI20032379A1 (en)
WO (1) WO2005053973A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009041110A1 (en) * 2009-09-15 2011-03-24 Bombardier Transportation Gmbh Actuator with multiple action
FR3113891B1 (en) 2020-09-08 2023-02-24 Airbus Helicopters Damping system for landing gear, lander having such a landing gear and aircraft.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2660705B1 (en) * 1990-04-10 1993-06-04 Renault DEVICE FOR CONTROLLING THE EFFORT OF A HYDRAULIC CYLINDER AND SUSPENSION OF A MOTOR VEHICLE EQUIPPED WITH SUCH A DEVICE.
FR2722265B1 (en) * 1994-07-06 1996-08-23 Gec Alsthom Transport Sa SEMI-ACTIVE SHOCK ABSORBER
DE69524173T2 (en) * 1994-09-30 2002-05-29 Kayaba Industry Co Ltd Damper for damping lateral movements of a rail vehicle and damper system
IT1267627B1 (en) * 1994-11-25 1997-02-07 Microtecnica HYDRAULIC FORCE REGULATION SYSTEM.

Also Published As

Publication number Publication date
WO2005053973A1 (en) 2005-06-16
EP1694519A1 (en) 2006-08-30

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