Pressure balanced sealing pistons for cathodes in an electrolyte

Details Pressure balanced sealing pistons for cathodes in an electrolyte Pressure balanced sealing pistons for cathodes in an electrolyte

1987-12-11

1989-01-10

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204225, 2041297, B23H 300, B23H 910

Patent

active

047971894

ABSTRACT:
An electrolyte chamber includes a cathode movable in the chamber toward a workpart to machine same and spaced from a wall of the chamber by a transverse clearance space and further includes a sealing piston movable transversely in the chamber in opposite directions toward and away from the cathode to substantially close off or open the clearance space. The sealing piston includes one or more fluid passages extending therethrough such that electrolyte pressure exerted on the sealing piston is substantially balanced in the opposite directions of movement such that unbalanced electrolyte pressure forces do not prevent the sealing piston from closing off the transverse clearance.

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