F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 13/10 (2006.01)
Patent
CA 2430605
A hydraulic spring includes hydraulic volumes (4a, 4b). The hydraulic volumes (4a, 4b) are, on the one hand, closed off by a spring element (6) which is vulcanized into an outer ring (8). On the other hand, the volumes (4a, 4b) are delimited by a compensating membrane (10). The volume (4a, 4b) is subdivided by a partition wall (26) into two chambers (4a, 4b), namely, a work chamber (4a), which is next to the spring element (6), and a compensating chamber (4b), which is next to the compensating membrane (10). The partition wall (26) has at least one connecting channel (28) and the chambers (4a, 4b) alternately change in volume and are filled completely with a hydraulic liquid. The partition wall (26) is configured to be flat in order to achieve a damping element requiring only a low structural elevation. The partition wall plane is orientated transversely to the spring axis. At least one level connecting channel (28) extends within the flat partition wall (26). One end of the connecting channel opens into the work chamber (4a) and the other end of the connecting channel opens into the compensating chamber (4b). The at least one connecting channel (28) is preferably configured to have a spiral shape. Several connecting channels (28) can be arranged offset relative to each other in the partition wall (26) and these channels are configured to have a spiral shape.
Le volume hydraulique (4a, 4b) d'un ressort hydraulique est, d'une part, ferm~ par un ~l~ment ~lastique (b) qui est form~ par vulcanisation dans une bague ext~rieure (8), et, d'autre part d~limit~ par une membrane de compensation (10). Ledit volume (4a, 4b) est divis~, par une paroi de s~paration (26) comportant au moins un canal de liaison (28), en deux chambres (4a, 4b) ~ volume variable, remplies compltement d'un liquide hydraulique. Pour que l'on obtienne un ~l~ment amortisseur pr~sentant un faible encombrement en hauteur, la paroi de s~paration (2b) est de forme plane, ses plans ~tant orient~s transversalement par rapport ~ l'axe du ressort. A l'int~rieur de la paroi de s~paration (26) plane s'~tend au moins un canal de liaison (28) plan. De pr~f~rence, le canal de liaison ou les canaux de liaison (28) ont une forme h~lico~dale. Plusieurs canaux de liaison (28) de forme h~lico~dale peuvent Útre dispos~s dans la paroi de s~paration (26) en ~tant d~cal~s l'un par rapport ~ l'autre.
Borden Ladner Gervais Llp
Contitech Luftfedersysteme Gmbh
LandOfFree
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