Method for indicating duration of gas supply remaining and...

Details Method for indicating duration of gas supply remaining and... Method for indicating duration of gas supply remaining and...

2006-09-12

2006-09-12

Williams, Hezron (Department: 2856)

Measuring and testing

Volumetric content measuring

Reexamination Certificate

active

07104124

ABSTRACT:
A system for identifying the time remaining for a bottled gas supply to lapse. Such bottled gas supplies include those used for gas grilles, scuba, nitrogen for electron microscopes, and any other environment in which a bottled gas is used. The system reads the pressure and optionally the temperature of the gas container, the readings of which are read by a microprocessor, optionally first pre-processed in a conversion module, and converted into a display for the user identifying the time during which the gas contents remaining will last. In various systems, it may be desirable to program the microprocessor, such as with input from a keyboard and/or cd-rom, with parameters regards specifics of the gas or the container, or to simply processing by assuming a certain temperate correlation and thereby eliminate the need for a temperature transducer.

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patent: 2003/0047178 (2003-03-01), Barth et al.
patent: WO 01/69340 (2001-03-01), None

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