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1. WO2006100437 - AEROSTATIC DEVICE DAMPER

Publication Number WO/2006/100437
Publication Date 28.09.2006
International Application No. PCT/GB2006/000911
International Filing Date 15.03.2006
IPC
F16C 32/06 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
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
32Bearings not otherwise provided for
06with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
B23Q 1/38 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL, CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
1Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
25Movable or adjustable work or tool supports
26characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
38using fluid bearings or fluid cushion supports
F16F 15/023 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
15Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
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 system
023using fluid means
CPC
F16C 27/02
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
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
27Elastic or yielding bearings or bearing supports, for exclusively rotary movement
02Sliding-contact bearings
F16C 29/002
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
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
29Bearings for parts moving only linearly
002Elastic or yielding linear bearings or bearing supports
F16C 29/025
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
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
29Bearings for parts moving only linearly
02Sliding-contact bearings
025Hydrostatic or aerostatic
F16C 32/06
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
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
32Bearings not otherwise provided for
06with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
F16C 32/0696
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
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
32Bearings not otherwise provided for
06with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
0681Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load
0696for both radial and axial load
F16C 33/1035
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
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
33Parts of bearings; Special methods for making bearings or parts thereof
02Parts of sliding-contact bearings
04Brasses; Bushes; Linings
06Sliding surface mainly made of metal
10Construction relative to lubrication
1025with liquid, e.g. oil, as lubricant
103retained in or near the bearing
1035by a magnetic field acting on a magnetic liquid
Applicants
  • BRUNEL UNIVERSITY [GB]/[GB] (AllExceptUS)
  • WARDLE, Frank, Peter [GB]/[GB] (UsOnly)
Inventors
  • WARDLE, Frank, Peter
Agents
  • MARKS & CLERK
Priority Data
0505798.922.03.2005GB (Priority Withdrawn 19.09.2007)
0519685.228.09.2005GB (Priority Withdrawn 19.09.2007)
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) AEROSTATIC DEVICE DAMPER
(FR) REGISTRE POUR DISPOSITIF AEROSTATIQUE
Abstract
(EN)
An aerostatic device for ultra precision machine tools, the aerostatic device having a damping device for use at any angle, including vertical, and comprising a male part (14) having a projecting portion (16), a female part (10) having a channel (12) in which the projecting portion (16) of the male part (14) is slidably receivable, means (22) for providing a magnetic field, the magnetic field means being at or adjacent to the projecting portion (16) of the male part (14) and/or the channel (12) of the female part (10), and magnetic oil (26) interposed between the projecting portion (16) of the male part (14) and the channel (12) of the female part (10) and only within the magnetic field of the magnetic field means. The in use magnetic oil (26) being retained in or substantially in position by the magnetic field, so that undesirable movement of the male part (14) and/or female part (10) is damped by the oil (26) without the oil (26) being displaced from the projecting portion (16) and/or the channel (12).
(FR)
L’invention a pour objet un dispositif aérostatique pour machines-outils de très haute précision comportant un dispositif amortisseur pour un usage à tout angle, y compris verticalement, et composé d’une partie mâle (14) dont une partie est saillante (16), d’une partie femelle (10) dont un canal (12) reçoit de manière coulissante la partie saillante (16) de la partie mâle (14), de moyens (22) générant un champ magnétique au niveau de ou adjacents à la partie saillante (16) de la partie mâle (14) et/ou au canal (12) de la partie femelle (10) et d’huile magnétique (26) intercalée entre la partie saillante (16) de la partie mâle (14) et le canal (12) de la partie femelle (10) et ne sortant pas du champ magnétique généré par les moyens (22) à cet effet. En utilisation, l’huile magnétique (26) est maintenue en place, ou sensiblement en place, par le champ magnétique de sorte qu’elle amortit tout mouvement indésirable de la partie mâle (14) et/ou de la partie femelle (10) sans bouger de la partie saillante (16) et/ou du canal (12).
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