Hydraulic Radial Piston Denison MRE Calzoni MR Motor
We produce Radial Piston Motor MR, MRE, MRD, MRDE, MRV, MRVE Hydraulic DENISON CALZONI Motor
MR7000, MR6500, MR4500, MR3600, MR2800, etc.
The outstanding performance of this motor is the result of an original and patented design.
The principle is to transmit the effort from the stator to the rotating shaft (2) by means of
a pressurized column of oil (a) instead of the more common connecting rods, pistons,
pads and pins.
This oil column is contained by a telescopic cylinder (1) with a mechanical connection
at the lips at each end which seal against the spherical surfaces of the cylinder-heads (3)
and the spherical surface of the rotating shaft (4).
These lips retain their circular cross section when stressed by the pressure so there is no
alteration in the sealing geometry. The particular selection of materials and optimisation
of design has minimized both the friction and the leakage.
Another advantage of this design stems from the elimination of any connecting rods, the
cylinder can only expand and retract linearly so there are no transverse components of
the thrust. This means no oval wear on the moving parts and no side forces on the cylinder
joints.
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