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Patent Searching and Data


Title:
PISTON ARRANGEMENT FOR PUMPING A LIQUID
Document Type and Number:
WIPO Patent Application WO/2016/066275
Kind Code:
A3
Abstract:
The invention relates to a piston arrangement for pumping a liquid, in particular in a bottling system. The aim of the invention is to provide a piston arrangement for pumping a liquid and which can be cleaned and/or disinfected from the outside without disassembling the piston or carrying out other operations in the arrangement. Said aim is achieved by means of a piston assembly for pumping a liquid, comprising a piston (1) operating in a cylinder (2), said piston have a working path (A) between a first and a second inversion point (U1, U2), said piston (1) closing in a sealed manner, in the region of the working path (A), with respect to the cylinder (2). The arrangement is characterized in that, on the other side of one of the two inversing points (U1, U2) outside of the working path (A), the diameter of the cylinder (2) in one section (8) is enlarged such that the sealing connection is removed and the piston (1) can be moved in said section for the cleaning and/or disinfection process.

Inventors:
BAUMGARTE ROLF (DE)
CLÜSSERATH LUDWIG (DE)
LESINSKI WERNER (DE)
LINKE MICHAEL (DE)
LITZENBERG MICHAEL (DE)
MEYER NIELS (DE)
Application Number:
PCT/EP2015/002182
Publication Date:
June 23, 2016
Filing Date:
October 30, 2015
Export Citation:
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Assignee:
KHS CORPOPLAST GMBH (DE)
International Classes:
F04B53/14; F04B53/00; F04B53/16; F04B53/22
Foreign References:
US3922115A1975-11-25
US20140260565A12014-09-18
DE4007832A11990-09-20
Attorney, Agent or Firm:
MAHLER, Peter (Hamburg, DE)
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