Pressure release valve
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United States of America Patent
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Feb 20, 2001
Grant Date -
N/A
app pub date -
Mar 10, 1999
filing date -
Jul 9, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure release valve for a steam peeler for potatoes has a differential piston assembly including a piston which is movable between an open position and a closed position under steam control, and a fixed piston element which is received in a secondary cylinder within the main piston for defining a chamber that progressively reduces in volume as the main piston moves towards its open position. The chamber receives a cushioning fluid for decelerating the piston as it moves towards the open position.
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