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Patent Searching and Data


Title:
HYDRAULIC ACCUMULATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/092961
Kind Code:
A3
Abstract:
The invention relates to a hydraulic accumulator device having a housing (4) which comprises a gas volume (8) and a fluid volume (10). In order to simplify the sensing of the state of charge of hydraulic accumulator devices, an interference signal generator (11) and a measurement signal pickup (12) are provided, which measurement signal pickup (12) detects, in a modified form as a measurement signal, an interference signal which is output by the interference signal generator (11) and propagates in the gas volume (8) or the fluid volume (10) and/or across the housing (4).

Inventors:
DIEHL UDO (DE)
ILLMANN ANDREAS (DE)
HAAG GOTTLOB (DE)
WALTER RAINER (DE)
ENGELBERG RALPH (DE)
COCLICI CRISTIAN-AURELIAN (DE)
Application Number:
PCT/EP2012/076563
Publication Date:
September 26, 2013
Filing Date:
December 21, 2012
Export Citation:
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Assignee:
BOSCH GMBH ROBERT (DE)
DIEHL UDO (DE)
ILLMANN ANDREAS (DE)
HAAG GOTTLOB (DE)
WALTER RAINER (DE)
ENGELBERG RALPH (DE)
COCLICI CRISTIAN-AURELIAN (DE)
International Classes:
F15B1/24
Foreign References:
JPS59175601A1984-10-04
DE10207598A12002-11-07
US5182979A1993-02-02
Attorney, Agent or Firm:
ROBERT BOSCH GMBH (Stuttgart, DE)
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