Global Patent Index - EP 1243798 A1

EP 1243798 A1 2002-09-25 - Hydropneumatic accumulator

Title (en)

Hydropneumatic accumulator

Title (de)

Hydropneumatischer Druckspeicher

Title (fr)

Accumulateur hydropneumatique

Publication

EP 1243798 A1 (DE)

Application

EP 02002939 A

Priority

DE 10113415 A

Abstract (en)

A hydropneumatic pressure storage unit consists of an outer pipe (1) that forms the storage housing and which contains a flexible separation element formed by a longitudinally arranged hose (15). The hose is anchored to the pipe, and has a support member (23) with fluid penetrations. The hose is closed at one end and open at the other. The outer surface of the hose is only slightly smaller than the inner surface of the outer pipe. The hose consists of PTFE.

Abstract (de)

2. Bei einem hydropneumatischen Druckspeicher mit einem das Speichergehäuse bildenden äußeren Rohr (1), in welchem ein flexibles Trennelement angeordnet ist, das durch einen Abschnitt eines sich in Längsrichtung des Rohres (1) erstreckenden Schlauches (15) gebildet ist, der unter Bildung einer Abdichtung am Rohr (1) so verankert ist, daß an Außenseite und Innenseite des Schlauches (15) jeweils voneinander getrennte Aufnahmeräume (9 und 13) innerhalb des Rohres (1) gebildet werden, und der einen Fluiddurchlässe (29) aufweisenden Stützkörper (23) umgibt, der zumindest abschnittsweise eine unrunde Querschnittsform besitzt, ist der Schlauch (15) an seinem einen Ende (17) geschlossen und nur an seinem anderen, offenen Ende (19) zusammen mit dem zugeordneten Ende (25) des Stützkörpers (23) entlang des äußeren Rohres (1) verankert, und die Größe der äußeren Oberfläche des Schlauches (15) ist geringfügig kleiner als die Größe der ihm gewandten inneren Oberfläche des äußeren Rohres (1). Die Größe der äußeren Oberfläche des Stützkörpers (23) ist geringfügig kleiner als diejenige der ihm zugewandten inneren Oberfläche des Schlauches (15). <IMAGE>

IPC 1-7 (main, further and additional classification)

F15B 1/16

IPC 8 full level (invention and additional information)

F15B 1/16 (2006.01)

CPC (invention and additional information)

F15B 1/165 (2013.01); F15B 2201/205 (2013.01); F15B 2201/315 (2013.01); F15B 2201/3156 (2013.01); F15B 2201/41 (2013.01); F15B 2201/4155 (2013.01); Y10S 138/03 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

EP 1243798 A1 20020925; EP 1243798 B1 20040317; AT 262116 T 20040415; DE 10113415 A1 20021002; US 2002134446 A1 20020926; US 6789577 B2 20040914

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