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Mechanical device e.g. pump, has pistons whose shafts cross internal wall of casing, and axes of shafts crossing at center of casing, where pistons are movable in rotation around axes and crossing window in wall of casing
Mechanical device e.g. pump, has pistons whose shafts cross internal wall of casing, and axes of shafts crossing at center of casing, where pistons are movable in rotation around axes and crossing window in wall of casing
The device (MEC) has a spherical shaped casing (CAR), and pistons (PIS1, PIS2) whose shafts (AB1, ARB2) cross an internal wall (PAR) of the casing. Axes (AXA1, AXA2) of the shafts cross at a center (CEN) of the casing, and the pistons are movable in rotation around the axes. The pistons are moved angularly in a vertical plane containing the axes. The pistons cross a window in the wall of the casing, where the window is closed by a spherical cap cooperating with the piston. The piston has a body (COR1) in the extension of the shaft, where the body is presented in the shape of spherical section.
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