Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DISPENSING UNIT FOR FLUID DISPENSING MACHINE INCLUDING VARIABLE VOLUME PUMPING-CHAMBER, AND MACHINE INCLUDING THE DISPENSING UNIT
Document Type and Number:
Japanese Patent JP2009133317
Kind Code:
A
Abstract:

To provide a dispensing machine for dispensing and/or measuring fluid products, which is easily and economically manufactured and maintained, and can provide high accuracy and reliability with time even when erosive, corrosive, or abrasive fluid products are used.

The dispensing unit for the fluid dispensing machine comprises at least one inlet duct 35 and one outlet duct 36 for fluid products, connected to a variable volume pumping-chamber 30 comprising at least one flexible wall 30a. Two check valves mounted in counter-phase are respectively located in the inlet duct 35 and outlet duct 36. The pumping-chamber is coupled to actuator means comprising a stepper motor 20, a screw/nut screw unit, and a carriage 28. The carriage 28 moves the pumping-chamber from a zero position in which the chamber has the maximum volume to an upper limit in which the chamber has the minimum volume.


Inventors:
Parrino, Andrea
Manfredini, Giorgio
Mazzalveri, Leopoldo
Application Number:
JP2008000333237
Publication Date:
June 18, 2009
Filing Date:
December 26, 2008
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CPS COLOR GROUP OY
International Classes:
F04B43/08; B01F13/10; B67D99/00; F04B13/02; F04B43/09
Domestic Patent References:
JPS63106379A
JPH0457324U
JPS6367681U
JPH0471782U
JPH0814163A
Attorney, Agent or Firm:
浅村 皓
浅村 肇
岩本 行夫
森 徹