Pilipski Mark (89 Mountainside Ter. Clifton NJ 07013)
인용정보
피인용 횟수 :
22인용 특허 :
0
초록▼
An alarm system to monitor pressure in tubes or containers that normally maintain (a) a constant pressure, i.e., a fixed pressure or a pressure of some steady or unchanging magnitude, (b) a periodic pressure, i.e., a pressure which oscillates with a regular interval a recognizable period or a pressu
An alarm system to monitor pressure in tubes or containers that normally maintain (a) a constant pressure, i.e., a fixed pressure or a pressure of some steady or unchanging magnitude, (b) a periodic pressure, i.e., a pressure which oscillates with a regular interval a recognizable period or a pressure, the magnitude of which varies from some positive value to a value close to or less than zero and then returns to its original positive value in some regular interval of time, (c) or a fluctuating pressure, i.e., a pressure similar to a periodic pressure but differing by not having any fixed period of time for an oscillation; a pressure which shifts from positive to negative uncertainly, is described. This alarm system sets an audible or other signal should pressure in a monitored line fall for a longer than acceptable period.
대표청구항▼
A device comprising a first pressure source, a second pressure source, said second pressure source being a monitored pressure, a pressure sensitive relay means, said relay means having at least a first port, a second port, and a third port, said first port connected to the first pressure source, and
A device comprising a first pressure source, a second pressure source, said second pressure source being a monitored pressure, a pressure sensitive relay means, said relay means having at least a first port, a second port, and a third port, said first port connected to the first pressure source, and said second port connected to the second pressure source, said pressure sensitive relay means having an output means which emits an output pressure in response to the second pressure source applied to said second port, said output pressure being either a pressure approximately equal to the first pressure source or a zero or negative pressure; if the monitored pressure is positive, then the output pressure of the pressure sensitive relay means is approximately equal to the pressure of the first pressure source, if the monitored pressure approaches zero or a negative value, then the output pressure of the pressure sensitive relay means will be zero or a negative value, said output pressure is emitted from the said third port, a bistable valve means, normally biased to an unactuated state, said bistable valve means functionally consisting of a pilot means for actuating said bistable valve means and a means for establishing, when unactuated, an internal passage between at least two ports said internal passage of said parts constituting a fourth port and fifth port, said bistable valve means may be actuated by a pressure, approximately equal to the first pressure source, applied to said pilot means, said pilot means is connected to the output means of the pressure sensitive relay means through a first valving means, said first valving means functions to direct and control the flow of any fluent substance, gas or liquid to and from the said output means of the pressure sensitive relay means and the said pilot means of the bistable valve means, a second valving means, said second valving means connected to the first pressure source, said second valving means also being connected to the said fourth port of the bistable valve means, said second valving means functions to control the flow of any fluent substance, from the first pressure source to the said fourth port of the bistable valve means, and a signal producing means, said signal producing means connected to said fifth port of the bistable valve means, said signal producing means functions to produce a signal whenever any fluent substance flows to said signal producing means.
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