ACCUMULATOR - EAGLE IND CO LTD

Title:

ACCUMULATOR

Document Type and Number:

WIPO Patent Application WO/2017/141719

Kind Code:

A1

Abstract:

Provided is an accumulator having excellent sealability between a shell and bladders. Disclosed is an accumulator 1 in which the interior space of a shell 2 is partitioned into a gas chamber G and a liquid chamber R by making respective circumferential edge parts of bladders 3 which are made of an elastic member tightly contact the inner side of the shell 2, the accumulator comprising: an outer-diameter-side bladder 4 having a circumferential edge part 6 arranged on the inner circumferential surface 2a of the shell 2; an inner-diameter-side bladder 5 having a circumferential edge part 7 arranged on the inner diameter side of the outer-diameter-side bladder 4; a ring-shaped holder 8 that holds the circumferential edge part 6 of the outer-diameter-side bladder 4 and the circumferential edge part 7 of the inner-diameter-side bladder 5 from the inner diameter side so as to oppose the inner circumferential surface 2a of the shell 2; and a rigid body 9 that is arranged between the circumferential edge part 6 of the outer-diameter-side bladder 4 and the circumferential edge part 7 of the inner-diameter-side bladder 5, and that has a higher rigidity than the circumferential edge part 6 of the outer-diameter-side bladder 4 and the circumferential edge part 7 of the inner-diameter-side bladder 5.

More Like This:

WO/2022/147247	TOP REPAIRABLE GAS-CHARGED BLADDER TYPE PULSATION DAMPENER
WO/2018/143065	ACCUMULATOR
WO/2002/097281	HYDROPNEUMATIC PRESSURE RESERVOIR

Inventors:

KAMIMURA SHINYA (JP)
MATSUI KATSUMI (JP)

Application Number:

PCT/JP2017/003824

Publication Date:

August 24, 2017

Filing Date:

February 02, 2017

Export Citation:

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Assignee:

EAGLE IND CO LTD (JP)

International Classes:

F15B1/14; F15B1/10

Foreign References:

US4777982A	1988-10-18
JPH0484803U	1992-07-23

Other References: