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1. WO2017171565 - PASSIVE DAMPER

Publication Number WO/2017/171565
Publication Date 05.10.2017
International Application No. PCT/NZ2017/050037
International Filing Date 31.03.2017
IPC
E04H 9/02 2006.01
EFIXED CONSTRUCTIONS
04BUILDING
HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
9Buildings, groups of buildings, or shelters, adapted to withstand or provide protection against, abnormal external influences, e.g. war-like action, earthquake, extreme climate
02withstanding earthquake or sinking of ground
F16F 9/10 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
10using liquid only; using a fluid of which the nature is immaterial
F16F 9/16 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
10using liquid only; using a fluid of which the nature is immaterial
14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
16involving only straight-line movement of the effective parts
F16F 9/18 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
10using liquid only; using a fluid of which the nature is immaterial
14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
16involving only straight-line movement of the effective parts
18with a closed cylinder and a piston separating two or more working spaces therein
F16F 9/20 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
10using liquid only; using a fluid of which the nature is immaterial
14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
16involving only straight-line movement of the effective parts
18with a closed cylinder and a piston separating two or more working spaces therein
20with the piston-rod extending through both ends of the cylinder
F16F 9/48 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
32Details
48Arrangements for providing different damping effects at different parts of the stroke
CPC
E04H 9/021
EFIXED CONSTRUCTIONS
04BUILDING
HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
9Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
02withstanding earthquake or sinking of ground
021Bearing, supporting or connecting constructions specially adapted for such buildings
F16F 15/023
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
15Suppression of vibrations in systems
02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
023using fluid means
F16F 9/20
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
10using liquid only; using a fluid of which the nature is immaterial
14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
16involving only straight-line movement of the effective parts
18with a closed cylinder and a piston separating two or more working spaces therein
20with the piston-rod extending through both ends of the cylinder ; , e.g. constant-volume dampers
F16F 9/48
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
32Details
48Arrangements for providing different damping effects at different parts of the stroke
F16F 9/483
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
32Details
48Arrangements for providing different damping effects at different parts of the stroke
483characterised by giving a particular shape to the cylinder, e.g. conical
Applicants
  • UNIVERSITY OF CANTERBURY [NZ]/[NZ]
Inventors
  • CHASE, James Geoffrey
  • RODGERS, Geoffrey William
Agents
  • AJ PARK
Priority Data
62/315,99231.03.2016US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PASSIVE DAMPER
(FR) AMORTISSEUR PASSIF
Abstract
(EN)
A passive damper for providing damping of a first item relative to a second item, has a cylinder and a piston arrangement. The cylinder is arranged to be operatively connected to a first item, the cylinder having a longitudinal direction and a first chamber, a second chamber and a third chamber. The piston arrangement with a first piston connected to a second piston, movable in the longitudinal direction in the cylinder. A fluid passage is configured to allow fluid flow from one side of the first piston head to the other, the fluid passage associated with a one-way valve. The second piston head having a fluid passage associated with a one-way valve that restricts fluid flow in the opposite direction to the first piston head. The arrangement is such that damping occurs in opposite quadrants of the hysteresis loop.
(FR)
L'invention concerne un amortisseur passif pour assurer l'amortissement d'un premier article par rapport à un second article, qui comprend un cylindre et un agencement de piston. Le cylindre est conçu pour être relié de manière fonctionnelle à un premier article, le cylindre ayant une direction longitudinale et une première chambre, une deuxième chambre et une troisième chambre. L'agencement de piston comprend un premier piston relié à un second piston, mobile dans la direction longitudinale dans le cylindre. Un passage de fluide est configuré pour permettre un écoulement de fluide d'un côté de la première tête de piston à l'autre, le passage de fluide étant associé à un clapet anti-retour. La seconde tête de piston comporte un passage de fluide associé à un clapet anti-retour qui restreint l'écoulement de fluide dans la direction opposée à la première tête de piston. L'agencement est tel qu'un amortissement se produit dans des quadrants opposés de la boucle d'hystérèse.
Also published as
Latest bibliographic data on file with the International Bureau