Patent ID: 8683818

Claim:
A fluid injector for use with an air conditioning (A/C) servicing machine comprising: a cavity in the fluid injector configured to receive a container containing a fluid to be injected by the injector; a plunger configured to have one surface that contacts and moves the fluid out of the fluid injector; a controller configured to control the fluid injector and the plunger, the controller further configured to monitor a condition of the fluid and modify an operation of the fluid injector based on the condition of the fluid; a valve assembly configured to control fluid from entering and leaving the fluid injector, the valve assembly operatively connected to the controller and controlled by the controller; a sensor operatively connected to the controller and configured to sense an amount of fluid exiting the injector; and an input device configured to send an input to the controller the amount of fluid that leaves the fluid injector and enters the A/C servicing machine.