PUMP WITH SUCTION AND PRESSURE CONTROL OF DRY PARTICULATE MATERIAL

Title:

PUMP WITH SUCTION AND PRESSURE CONTROL OF DRY PARTICULATE MATERIAL

Document Type and Number:

Japanese Patent JP2007106600

Kind Code:

A

Abstract:

To provide a force feed method of powder in a powder coating system.

This pump for particulate materials including a pump chamber has the pump chamber for making a material flow in under negative pressure and making the material flow out under positive pressure. A plurality of pinch valves are provided to control flow of the materials into and out of the pump chamber. The pinch valves are operated independent of each other and of a pump cycle rate. A modular design of the pump is provided. A pump control feature is provided for air flow rate control during positive and negative pressure conditions.

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Inventors:

FULKERSON TERRENCE M
NEMETHY STEPHEN G

Application Number:

JP2006274676A

Publication Date:

April 26, 2007

Filing Date:

October 06, 2006

Export Citation:

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Assignee:

NORDSON CORP

International Classes:

B65G53/66; B65G53/04

Foreign References:

US20050126476A1

2005-06-16

Attorney, Agent or Firm:

Masao Okabe
Nobuaki Kato
Okabe
Shinichi Usui
Takao Ochi
Seiichiro Takahashi
Koji Yoshizawa
Takao Matsui
Naoki Kimiya

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