Patent ID: 11938497
Assignee: WAGNER SPRAY TECH CORPORATON
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 17:
18. A computer-implemented method comprising:
determining a first tip orifice size of a spray tip of a paint spray gun, the spray tip having a tip orifice;
operating a pump comprising a reciprocating piston to pump paint along a flow path to the spray tip which atomizes the paint in an atomized spray pattern released from the tip orifice;
detecting a reciprocation speed of the reciprocating piston;
determining a pressure of the paint along the flow path;
determining a flow rate of the paint along the flow path based on the reciprocation speed;
determining a current tip orifice size of the spray tip based on:
the flow rate and the pressure of the paint;

generating a comparison result based on comparing the current tip orifice size to the first tip orifice size;
generating a wear value indicative of an amount of wear of the spray tip based on the comparison result; and
generating an output based on the wear value.