MY102892A - Rotary vane-type fluid pressurizing unit - Google Patents

Abstract

A VAN-TYPE ROTARY COMPRESSOR COMPRISES A HOUSING DEFINING AN INTERNAL SPACE, A CAM RING ENCLOSED IN THE HOUSING TO DEFINE BOTH LOW AND HIGH PRESSURE CHAMBERS IN THE INTERNAL SPACE AND TO DEFINE A WORKING CHAMBER INTRODUCING A LOW PRESSURE WORKING FLUID FROM THE LOW PRESSURE CHAMBER AND FEEDING A HIGH PRESSURE WORKING FLUID INTO THE HIGH PRESSURE CHAMBER, A ROTOR DISPOSED WITHIN THE WORKING CHAMBER TO CARRY A PLURAL VANES EACH OF WHICH GENERATES THE HIGH PRESSURE FLUID THROUGH ROTARY MOVEMENT OF THE ROTOR HAVING A DRIVEN CONNECTION WITH A DRIVE SHAFT, AT LEAST ONE CLOSURE MEMBER SEALINGLY FIXED TO AN AXIS END OF THE CAM RING FOR DEFINING THE WORKING CHAMBER. THE CLOSURE MEMBER COMPRISES A DEFORMABLE THIN PLATE INCLUDING AN OPENING FOR INTRODUCING THE DRIVE SHAFT TO THE ROTOR. A CYLINDRICALSUPPORT IS PROVIDED FOR ROTATABLY SUPPORTING THE DRIVE SHAFT, WHICH SUPPORT FORMS PART OF THE HOUSING. (FIG. 1)