Patent
Hydrostatic level indicator
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The article was published on 1982-06-30. It has received 1 citations till now. The article focuses on the topics: Hydrostatic equilibrium.read more
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Patent
Liquid depth sensing system
TL;DR: In this paper, a liquid depth sensing system utilizing the bubble tube or purge operating principle was presented. Butler et al. used a pneumatic pump motor as a regulating device, by operating the motor only as required to produce sufficient pressure for measuring the liquid depth.