Pressure fluid mechanism such as a motor or a pump coupled to a braking device
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United States of America Patent
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May 26, 1992
Grant Date -
N/A
app pub date -
Nov 16, 1990
filing date -
Nov 30, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a pressure fluid mechanism comprising: a reaction cam; a cylinder block mounted to rotate relative to the cam and including a central void and an axial extension enabling it to be fixed to a support; and an internal fluid distributor valve constrained to rotate with the cam by a link mechanism which extends inside the central void, the cylinder block and its extension constituting an assembly which is interposed between the cam and the internal fluid distributor valve. According to the invention: a) a braking device is disposed at the end of the mechanism towards which the link device extends, the braking device being disposed between the cylinder block and the cam and including a chamber containing brake disks, which chamber is delimited by a cover; b) the link mechanism is constrained to rotate together with the cover of the chamber containing the disks; and c) the cover of the chamber is constrained to rotate with the cam. An application of the mechanism is providing a compact hydraulic motor provided with a brake.
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