Title:
POSITIVE-DISPLACEMENT PUMP AND PUMPING GROUP FOR FLUID PRODUCTS AND METHOD FOR THE USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2016/059551
Kind Code:
A3
Abstract:
A positive-displacement pump for fluid products, in particular paints, colorants and the like, comprises a pump body (2) in which there is formed a pumping chamber (3), in which a piston (5) is mounted for sliding and is controlled so as to advance and withdraw in order to vary the useful volume of the pumping chamber (3). The pumping chamber (3) extends in accordance with a longitudinal axis (X-X) which is inclined, in a non-vertical manner, with respect to a horizontal plane and having an upper region (42) which is positioned at a greater height with respect to a horizontal plane and in the region of which the pumping chamber (3) is placed in communication with at least one intake pipe (33) of a fluid product.
Inventors:
ROSSETTI EDOARDO (IT)
ROSSETTI MARCO (IT)
ROSSETTI MARCO (IT)
Application Number:
PCT/IB2015/057831
Publication Date:
June 09, 2016
Filing Date:
October 13, 2015
Export Citation:
Assignee:
ALFA SRL (IT)
International Classes:
F04B7/00; F04B13/00; F04B49/16; F04B53/06; F04B53/16
Domestic Patent References:
| WO2012072494A1 | 2012-06-07 | |||
| WO2009003914A1 | 2009-01-08 |
Foreign References:
| JPS58126489A | 1983-07-27 | |||
| US20060008365A1 | 2006-01-12 | |||
| EP0959005A2 | 1999-11-24 | |||
| EP2525094A1 | 2012-11-21 | |||
| DE102009057792A1 | 2011-06-16 | |||
| FR2832467A1 | 2003-05-23 | |||
| DE4136097C1 | 1993-03-04 |
Attorney, Agent or Firm:
PROVVISIONATO, Paolo (Piazza di Porta Mascarella 7, Bologna, IT)
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