Patent ID: 6276200
Filing Date: 2001-08-21
Classification: E04H,G01F,Y10T

Abstract:
A liquid level controller for automatically maintaining the liquid level in a reservoir, said apparatus comprising:an electrically powered liquid level sensor comprising an outer housing having an upper end and a lower end and an opening formed at its lower end, an inner sensor housing slidably received within said outer housing, said inner sensor housing in fluid communication with the liquid in the reservoir through said opening in said outer housing when said outer housing is placed within and attached to a fixed support within the reservoir, a fixed position actuator attached to said outer housing such that said actuator engages said inner sensor housing upon changes in the position of said inner sensor housing within said outer housing, and a receptor attached to said inner sensor housing actuatable upon engagement with said fixed position indicator;a radio frequency transmitter housed within said inner sensor housing and in electrical communication with said receptor; anda water supply valve in radio-frequency communication with said liquid level sensor in a manner resulting in the selective activation thereof in response to variations in the reservoir water level.