Lean absorption

Claim 1

A PULSATION DAMPENER FOR A SUBSTANTIALLY UNEXPANDED PULSATING GASEOUS STREAM CONSISTING ESSENTIALLY OF AN ELONGATED CYLINDRICAL BODY FORMING AN ENCLOSED CHAMBER, AN INLET CONDUIT FOR SAID UNEXPANDED PULSATING GASEOUS STREAM EXTENDING INTO SAID CHAMBER A SUBSTANTIAL BUT MINOR DISTANCE LESS THAN HALF THE LENGTH OF SAID CHAMBER ALONG THE AXIS OF SAID CHAMBER AND DISPOSED TO DISCHARGE SAID SUBSTANTIALLY UNEXPANDED PULSATING GASEOUS STREAM DIRECTLY INTO SAID CHAMBER AXIALLY THEREOF, A SINGLE OUTLET CONDUIT DISPOSED TO EXHAUST SAID GASEOUS STREAM FROM SAID CHAMBER AFTER THE DAMPENING OF PULSATIONS THEREIN HAS BEEN CONCLUDED CONNECTED TO SAID CHAMBER IN A RADIAL DIRECTION AT A POINT ABOUT ONE FOURTH THE LENGTH OF THE CHAMBER FROM THE END OPPOSITE SAID INLET CONDUIT, AND A CYLINDRICAL PARTITION HAVING ONE END THEREOF SEALED TO THE END OF SAID CHAMBER OPPOSITE SAID INLET CONDUIT, SAID PARTITION BEING DISPOSED WITH ITS OTHER END EXTENDING TOWARD THE OTHER END OF SAID CHAMBER TO A POINT SUBSTANTIALLY BEYOND THE END OF SAID INLET CONDUIT AND SPACED FROM SAID INLET CONDUIT AND FROM THE WALL OF SAID CHAMBER BETWEEN THE SAME TO FORM TWO CONCENTRIC PULSATION RECEIVING CHAMBERS, SAID PARTITION HAVING A SERIES OF LONGITUDINAL SLOTS DISPOSED ANGULARLY IN A TRANSVERSE PLANE ADJACENT THE END OF SAID INLET CONDUIT, AND A SIMILAR SERIES OF SLOTS DISPOSED IN A TRANSVERSE PLANE BETWEEN SAID OUTLET CONDUIT AND THE ADJACENT END OF SAID CHAMBER, THE WALL OF SAID BODY, AND THE WALL OF SAID PARTITION AT LEAST THROUGHOUT ITS MAJOR LONGITUDINAL EXTENT, BEING IMPERFORATE WHEREBY THERE IS PROVIDED A CENTRAL IMPERFORATE TUBE SECTION INTO WHICH THE SUBSTANTIALLY UNEXPANDED PULSATING GASEOUS STREAM IS DISCHARGED FOR EXPANSION BY PATHS OF NOT MORE THAN THREE SUBSTANTIALLY DIFFERENT LENGTHS TO SAID OUTLET CONDUIT.