Systems and methods for detecting lever locking positions on liquid level controllers
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Apr 21, 2016
filing date -
Apr 21, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
During shipment or other handling events, it is necessary to protect a liquid level controller from damage by manually engaging a lever locking mechanism to secure a lever assembly of the liquid level controller. The lever locking mechanism must be manually disengaged prior to calibrating or putting the liquid level controller into operation. To better facilitate an operator in monitoring the state of the lever locking mechanism, a sensor is coupled to the lever locking mechanism to detect whether the lever locking mechanism is in a locked or unlocked position. This information is then provided to the operator via a user interface. Compared to current visual inspections, the use of the sensor is more robust and reliable, and provides a simple non-contact method for determining the state of the lever locking mechanism.
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