Patent ID: 8201716

Claim:
A dispenser comprising: a configurable actuating section that comprises a pneumatic actuating section and an electric actuating section, the pneumatic actuating section having a pneumatic moveable member and a pneumatic piston that moves the pneumatically moveable member, the electric actuating section having a electrically moveable member, and the electric actuating section configured to be supplied with electricity for use in moving the electrically moveable member; and a hydraulic section having a fluid inlet connected to a source of pressurized liquid, a chamber that receives the pressurized liquid from the fluid inlet, a valve seat within the chamber, an outlet, and a needle, the needle configured to be reciprocally moveable into and out of contact with the valve seat to control the dispensing of the liquid from the chamber through the outlet, wherein the hydraulic section is configurable to be alternatively coupled to the pneumatic actuating section or the electric actuating section, wherein when the hydraulic section is operatively coupled to the pneumatic actuating section, the pneumatically moveable member is operatively coupled to the needle for moving the needle into contact with the valve seat to control the dispensing of the liquid from the chamber through the outlet, and wherein when the hydraulic section is operatively coupled to the electric actuating section, the electrically moveable member is operatively coupled to the needle for moving the needle into contact with the valve seat to control the dispensing of the liquid from the chamber through the outlet.