EP 3818269 A1 20210512 - BELLOWS ACCUMULATOR
Title (en)
BELLOWS ACCUMULATOR
Title (de)
BALGSPEICHER
Title (fr)
ACCUMULATEUR À SOUFFLET
Publication
Application
Priority
- DE 102018007279 A 20180914
- EP 2019073918 W 20190909
Abstract (en)
[origin: WO2020053113A1] A bellows accumulator, consisting of at least one accumulator housing (2) and comprising a separation bellows (20) which: is movably disposed in the accumulator housing (2); has a number of bellows convolutions; separates two media chambers (8, 22) from each other; is secured at its fixed open end by means of a securing device (24) to the accumulator housing (2); and has at its movable other end a closing part (36) with a guide (40) with which the part is guided in the accumulator housing (2), is characterised in that in addition to the guide (40) the closing part (36) has a sealing device which at least in the one extended end position of the separation bellows (20) separates a fluid chamber (8), in which the bellows convolutions are disposed in the accumulator housing (2), from a fluid connection point (12) in the accumulator housing (2), and at least in some of the other working positions releases the fluid connection flowing therebetween.
IPC 8 full level
F15B 1/10 (2006.01)
CPC (source: EP US)
F15B 1/103 (2013.01 - EP US); F15B 2201/205 (2013.01 - EP US); F15B 2201/3153 (2013.01 - EP US); F15B 2201/3156 (2013.01 - EP US); F15B 2201/3157 (2013.01 - EP US); F15B 2201/3158 (2013.01 - EP US); F15B 2201/4053 (2013.01 - EP); F15B 2201/4056 (2013.01 - EP US)
Citation (search report)
See references of WO 2020053113A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020053113 A1 20200319; CN 215908136 U 20220225; DE 102018007279 A1 20200319; EP 3818269 A1 20210512; EP 3818269 B1 20220810; JP 2022500602 A 20220104; JP 7389794 B2 20231130; US 11434932 B2 20220906; US 2022034334 A1 20220203
DOCDB simple family (application)
EP 2019073918 W 20190909; CN 201990001008 U 20190909; DE 102018007279 A 20180914; EP 19768743 A 20190909; JP 2021514089 A 20190909; US 201917275745 A 20190909