Vacuum controller

Details Vacuum controller Vacuum controller

G - Physics

05

D

251/13

G05D 16/18 (2006.01) F16K 31/122 (2006.01)

Patent

CA 1290308

ABSTRACT A vacuum controller for controlling the vacuum at a controlled vacuum which includes a balanced piston arrangement coupled to a valve piston reciprocal with respect to a valve seat positioned between the controlled vacuum and a high header or source vacuum. A throttling of the header vacuum takes place across the space between the valve piston and valve seat and is such that the header vacuum does not influence the movement of the valve piston.

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