Pressurized fluid mechanism comprising at least two distinct operational cylinder capacities
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United States of America Patent
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Feb 16, 1993
Grant Date -
N/A
app pub date -
Jun 17, 1992
filing date -
Jun 25, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a fluid mechanism with two cylinder capacities, comprising a distributor valve defining first and second enclosures containing supply and exhaust fluids comprising two groups of distribution conduits, and a device for selecting the cylinder capacity, constituted by a bore and a slide element for selection. According to the invention, a first and a second connection conduit connect the first and second enclosures to the bore and open out between transverse planes; distribution conduits open out in the bore between these planes; and the slide element comprises a groove contained between said planes and establishing communication between the distribution conduits and the connection conduit. One application of the invention is the production of a compact motor.
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