FORMED METAL DIAPHRAGM WITH IMPROVED CYCLE LIFE.

摘要

A FORMED METAL DIAPHRAGM FOR USE IN FLUID PRESSURE REGULATORS INCLUDES A DOME-SHAPED CENTRAL PORTION AND A CONVOLUTED SHAPED FLEXIBLE AREA. THE CONVOLUTED SHAPED FLEXIBLE AREA INCLUDES A SERIES OF RADIALLY SPACED ELLIPTICALLY SHAPED IMPRESSION IN THE DIAPHRAGM SURFACE. THE MAJOR ELLIPTIC AXIS OF EACH IMPRESSION IS ALIGNED WITH A RADIUS EMANATING FROM THE CENTER OF THE DIAPHRAGM. THE MINOR ELLIPSE AXIS OF THE IMPRESSIONS IS LOCATED ON A CONCENTRIC AXIS OUTWARD FROM THE CENTER OF THE DIAPHRAGM. (FIG.2)