LIQUID LEVEL SENSOR (VERSIONS) Russian patent published in 2018 - IPC G01F23/38 G05D9/12 H01H35/18 

FIELD: measuring equipment.

SUBSTANCE: liquid level sensor comprises housing, protuberance, extending through the housing, and plurality of functionally attached levers, disposed in the housing. At that the first of the levers is functionally connected to the protuberance and the second of the levers is functionally connected to the first lever, at that the protuberance movement is provided by the movement of the first lever, providing opening or closing of the switch by the second lever without the contact with the switch, when the liquid reaches the predetermined level, and also the joint, connected to the second of the mentioned levers with ability to adjust, so that the joint position affects the predetermined level.

EFFECT: creation of the reliable liquid level sensor, that does not require electrical power to actuate the switch.

17 cl, 2 dwg