Title:
PISTON-TYPE ACCUMULATOR
Document Type and Number:
WIPO Patent Application WO2003016723
Kind Code:
A3
Abstract:
The invention relates to a piston-type accumulator comprising a separating piston (13) which can be displaced axially within a piston housing (1). Said piston separates a fluid side (15) of the accumulator from the gas side (23) thereof and comprises two sealing areas (17, 25) which are offset in relation to each other in the axial direction thereof, said sealing areas being arranged on the circumference thereof and being displaced on the inner wall of the accumulator housing. The invention is characterised in that the accumulator housing (1) is provided with a ventilation device (31) between said sealing areas (17, 25) for discharging leaking means passing through the sealing areas (17, 25).
Inventors:
WEBER NORBERT (DE)
Application Number:
PCT/EP2002/007982
Publication Date:
August 26, 2004
Filing Date:
July 18, 2002
Export Citation:
Assignee:
HYDAC TECHNOLOGY GMBH (DE)
WEBER NORBERT (DE)
WEBER NORBERT (DE)
International Classes:
F15B1/24; (IPC1-7): F15B1/24
Foreign References:
| US4651782A | 1987-03-24 | |||
| US2817361A | 1957-12-24 | |||
| US2683467A | 1954-07-13 | |||
| US4678010A | 1987-07-07 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 10 17 November 2000 (2000-11-17)
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 07 31 July 1997 (1997-07-31)
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 07 31 July 1997 (1997-07-31)
Download PDF: