Patent attributes
A container includes a chamber for containing fluid. At least one sensor is disposed within the chamber for sensing a property of fluid in the container. A unit that receives a signal from the sensor communicates with a device that displays the property of the fluid in the container. The container may include first and second chambers. A first sensor is disposed within the first chamber. The first sensor is in contact with fluid in the first chamber. The first sensor senses a volume of fluid in the first chamber. A second sensor is disposed within the second chamber. The second sensor is in contact with fluid in the second chamber. The second sensor senses a volume of fluid in the second chamber. A diverter may direct fluid from an inlet to a bottom portion of the chamber and prevents the fluid from contacting the sensor. A releasable device may prevent fluid from flowing from the first chamber to the second chamber. The releasable device permits fluid to flow from the first chamber into the second chamber upon release of the releasable device. An element of the sensor may have a first portion with an electrical resistance per unit length greater than an electrical resistance per unit length of a second portion of the element. A shunt resistor extending between lower portions of first and second elements of the sensor may have a resistance equal to approximately 0.08 times a resistance of the sensor when the chamber is empty.
