Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1984-10-23
1986-09-23
Rowland, James L.
Communications: electrical
Condition responsive indicating system
Specific condition
340614, 340626, G08B 2100
Patent
active
046138510
ABSTRACT:
At least two magnetic-reed switches are mounted at spaced angular locations beneath the scale of a Bourdon-type pressure gage wherein the needle tip carries a permanent magnet. The reed switches change their respective states upon sensed-pressure descent to first and second predetermined levels of pressure, respectively indicative of different impending needs to switch a new container into the line of pressure delivery to beverage-dispensing apparatus. In one form, the impending needs reflect corresponding situations of remaining gas content of the cylinder, for room temperature storage and for cold-room storage, respectively; and a manual switch at the gage enables the gage to perform, as is appropriate for the particular situation of stored-container temperature. In another form, the second or additional magnetic-reed switch is positioned beneath the scale for operation upon a sensed low level of gas-pressure effectiveness for beverage dispensing. In all cases, wiring connections to the switches of the gage operate indicator-lamp/alarm functions at a remote monitoring-unit location, whereby management personnel may take responsible action.
REFERENCES:
patent: 4275393 (1981-06-01), Johnston
patent: 4536756 (1985-08-01), DePasquale et al.
Capati Anne Marie F.
Rowland James L.
Tap-Rite Products Corp.
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