Fluid pressure accumulator

Claim 1

AN ACCUMULATOR COMPRISING A CONTAINER OF RIGID MATERIAL HAVING A PAIR OF PORTS, A DEFORMABLE BLADDER IN SAID CONTAINER HAVING A MOUTH, SAID BLADDER INTERVENING BETWEEN SAID PORTS AND DEFINING A GAS CHAMBER AND A LIQUID CHAMBER ON THE RESPECTIVE SIDES THEREOF, A GUIDE MEMBER COMPRISING AN ELONGATED HOLLOW SLEEVE SUBSTANTIALLY CONICAL ALONG ITS LENGTH, SAID SLEEVE BEING OPEN AT ITS LARGER DIAMETER END AND CLOSED AT ITS SMALLER DIAMETER END, SAID SLEEVE HAVING A PLURALITY OF PERFORATIONS THROUGH THE WALL THEREOF AND HAVING AN ANNULAR RECESS IN ITS OUTER SURFACE THROUGH WHICH SAID PERFORATIONS EXTEND, A POROUS SLEEVE ENCOMPASSING SAID ELONGATED SLEEVE AND POSITIONED IN SAID RECESS, A SLEEVE EXTENDING THROUGH ONE OF SAID PORTS INTO SAID CONTAINER, THE OPEN END OF SAID PERFORATED SLEEVE BEING SECURED TO THE END OF SAID SLEEVE IN SAID CONTAINER TO POSITION SAID GUIDE MEMBER AXIALLY OF SAID BLADDER AND MEANS TO RETAIN THE MOUTH OF SAID BLADDER IN FIXED POSITION WITH RESPECT TO SAID PORT THROUGH WHICH SAID SLEEVE EXTENDS.