Fluid pressure regulation system for fluid-dispensing systems

摘要

A system actively regulates the fluid pressure entering the pump of a fluid-dispensing system to provide a more uniform fluid flow exiting the pump. The pump is supplied with fluid from a pressurized reservoir (e.g., that is pressurized from an external air source, or by mechanical or electrically-driven pressurization). A pressure sensor monitors the fluid pressure in the fluid supply line between the reservoir and pump. A controller receives this fluid pressure reading as an input to regulate the pressurization of the reservoir. Optionally, a second pressure sensor can be used to monitor the fluid pressure at the pump exit to provide an additional input for the controller.

主权项

1. A fluid pressure regulation system for fluid-dispensing systems comprising:
a pump dispensing a viscous fluid at an outlet through a dispenser tip; a reservoir supplying fluid to the pump via a fluid supply line; means for pressurizing the reservoir to thereby set the fluid pressure supplied by the supply line to the pump; a pressure sensor detecting the fluid pressure in the fluid supply line; and a controller monitoring the fluid pressure in the fluid supply line detected by the pressure sensor and regulating the means for pressuring the reservoir to maintain a predetermined fluid pressure in the fluid supply line supplied to the pump.