Patent
Material level indicator sensor
A Evans,C Randolph +1 more
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TLDR
In this article, a level sensing apparatus consisting of a sensing switch actuated by a rotating paddle, with a cam drive connection between the drive motor and the sensing paddle, is described.Abstract:
A level sensing apparatus of the kind comprising a sensing switch actuated by a rotating paddle, with a cam drive connection between the drive motor and the sensing paddle which protects the drive motor from stalling or jamming in either normal or abnormal operation of the level sensing apparatus; the cam drive connection allows continuing unobstructed rotation of the drive motor shaft, when the sensing paddle is blocked, in the event of a failure of the sensing switch.read more
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Patent
Rotation paddle bin level indicator
TL;DR: In this paper, the level of flowable material in a storage bin comprising a motor rotatably suspended by a spring within a protective enclosure and a drive shaft coupled by a ball-and-detent clutch to a paddle disposed within the bin to engage material therein is indicated.
Patent
Rotating paddle bin level indicator
TL;DR: In this paper, the level of flowable material in a storage bin is indicated by a paddle mounted within a protective enclosure and coupled by a shaft and clutch arrangement to a paddle disposed within the bin to engage material there within.
Patent
Apparatus for indicating the filling level of silos and the like
Delin H,Rusbuldt H +1 more
TL;DR: In this article, an electromotor is mounted on a support and has a shaft extending into the silo or the like, which carries a blade which contacts the material in a silo when the material rises to a predetermined level.
Patent
Rotary paddle bin monitor
Jeffrey S. Stout,Jeffrey S. Cole +1 more
TL;DR: A rotary paddle bin monitor for indicating a level of dry bulk material in a bin is described in this paper, where a first magnetic detector mounted inside the housing senses a second magnet marker fixed to the shaft to provide an indication that the shaft is rotating at a proper speed (and indicate the direction of the rotation as well).
Patent
Level control device
TL;DR: In this paper, a level control device is disclosed comprising a paddle on a rotary shaft projecting from a housing, a carrier disc coupled to the shaft and supporting a plurality of torque-transmitting lever having first arms engageable by drive pins or an apertured drive disc on an output shaft of an electric motor.