Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1979-10-17
1981-04-28
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 89, 34225, 432500, 131302, 165 11R, F26B 306
Patent
active
042637201
ABSTRACT:
The present invention relates to a system and method of monitoring air flow in a bulk tobacco curing and drying structure wherein the system and method is designed to actuate an alarm device in response to the air flow within the bulk tobacco curing and drying structure falling below a preset level. In particular, the system and method entails providing an air flow monitoring device in the path of a system of air that is circulated vertically through the mass of bulk tobacco contained within the curing and drying structure. The air flow monitoring device is operatively associated with a master "on-off" switch and is operatively connected to a main control panel or unit that is in turn operatively associated and connected to an alarm device such as a siren. One air flow within the bulk curing and drying structure ceases or falls below a preselected value, the air flow monitoring device is operative to actuate a relay within the main control unit which in turn actuates a switch that closes a circuit having said alarm device included therein, causing the alarm device to be actuated and accordingly appraise an individual in the vicinity of the bulk curing and drying structure of the fact that the air flow within the bulk curing structure has falling below the preselected value.
REFERENCES:
patent: 2779305 (1957-01-01), Dunkelman
patent: 3217424 (1965-11-01), Johnson et al.
patent: 4123221 (1978-10-01), Danford
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