PISTON ARRANGEMENT, IN PARTICULAR FOR METERING VALVES

Title:

PISTON ARRANGEMENT, IN PARTICULAR FOR METERING VALVES

Document Type and Number:

WIPO Patent Application WO2007048460

Kind Code:

A8

Abstract:

The invention relates to a piston arrangement, in particular for metering valves, flow sensors or hydraulic motors, having a housing (4, 22), in which at least one cylindrical hollow space is formed, in which a first piston (8, 23) which has a cylindrical hollow space at least in a region is mounted in a sealed and displaceable manner, and having a second piston (7, 24) which is mounted displaceably in the cylindrical hollow space of the first piston (8, 23). Here, a valve seat is formed in the first piston (8, 23), against which the second piston (7, 24) can be brought to bear with a sealing face in such a way that the second piston (7, 24) can be displaced in the first piston (8, 23) between a position which releases a flow passage through the first piston (8, 23) and a position which shuts off a flow passage through the first piston (8, 23).

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Inventors:

PALUNCIC ZDRAVKO (DE)
TRINKEL RALF (DE)

Application Number:

PCT/EP2006/008446

Publication Date:

July 31, 2008

Filing Date:

September 26, 2006

Export Citation:

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Assignee:

LINCOLN GMBH (DE)
PALUNCIC ZDRAVKO (DE)
TRINKEL RALF (DE)

International Classes:

F16N27/00; F16N25/02

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