METAL BELLOWS ACCUMULATOR

Title:

METAL BELLOWS ACCUMULATOR

Document Type and Number:

WIPO Patent Application WO/2003/100262

Kind Code:

A1

Abstract:

A metal bellows accumulator (A), wherein a metal bellows unit (13) is installed in a pressure space (11) formed in a main shell (12), fixed to one end wall (12b) of the main shell (12) at one end thereof, and divides the pressure space (11) into an outside gas chamber (15) sealed with pressurized gas and an inside liquid chamber (16) communicating with a liquid access port (12c) formed in one end wall (12b) thereof, a stopper (an auxiliary shell (17)) having a communication passage (a communication hole (17c) and a clearance (D)) for restricting the amount of retraction of the metal bellows unit (13) is installed in the liquid chamber (16), and the communication passage (the communication hole (17c) and the clearance (D)) always communicates the liquid chamber (an external liquid chamber (16b)) allowing the bellows part inner peripheral surface of the metal bellows unit (13) to be exposed thereto with the liquid access port (12c).

Inventors:

SUZUKI KENICHI (JP)
TAKAHARA YASUO (JP)
KONDO HIROSHI (JP)
KAWAMURA TOSHIHIKO (JP)

Application Number:

PCT/JP2003/006638

Publication Date:

December 04, 2003

Filing Date:

May 28, 2003

Export Citation:

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Assignee:

ADVICS CO LTD (JP)
SUZUKI KENICHI (JP)
TAKAHARA YASUO (JP)
KONDO HIROSHI (JP)
KAWAMURA TOSHIHIKO (JP)

International Classes:

F15B1/10; F15B1/08; F15B1/22; (IPC1-7): F15B1/22

Foreign References:

JPH0341201U	1991-04-19
US4997009A	1991-03-05
JPH0388001U	1991-09-09

Other References: