Flow regulation vent
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 14, 2013
Issued Date -
N/A
app pub date -
Dec 21, 2001
filing date -
Dec 22, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flow regulation vent includes a fixed portion adapted to engage a gas supply conduit and a spring force biased movable portion connected by a hinge to the fixed portion and flowingly connected to the pressurized gas supply. The fixed portion includes a gas flow orifice. The movable portion is pivotally movable between 1) a relaxed position, whereby at a specified minimum operating pressure, the movable portion is pivoted by the spring force away from the fixed portion to a position to establish a first gas washout flow area between the movable portion and the gas flow orifice; and 2) a fully pressurized position, whereby at a specified maximum operating pressure, the pressurized gas offsets the spring force to pivot the movable portion to a position adjacent the fixed portion to establish a minimum gas washout flow area between the movable portion and the gas flow orifice.
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