Devices forming the mouthpieces of air admission pipes for jet engines for aircraft

Claim 1

IN A JET ENGINE FOR AN AERODYNE TRAVELLING AT HIGH SPEEDS, AN AIR-ADMITTING SYSTEM COMPRISING AN ADMISSION PIPE HAVING A LEADING EDGE, SAID PIPE INCLUDING AN OUTER WALL PROVIDED WITH AT LEAST ONE RECESS ALONG ITS PERIPHERY, SAID OUTER WALL HAVING TRANSVERSE SLOTS LOCATED REARWARDLY OF SAID RECESS, AT LEAST ONE INFLATABLE ELEMENT SECURED TO SAID OUTER WALL OF THE ADMISSION PIPE ALONG THE OUTER PERIPHERY OF THE LATTER NEAR ITS LEADING EDGE AND ADAPTED TO OCCUPY, WHEN NON-INFLATED, A REDUCED VOLUME TO MAKE A THIN, SLIGHTLY TAPERING CONFIGURATION AT SAID LEADING EDGE AND TO ASSUME, WHEN INFLATED, A SHAPE HAVING A LARGE RADIUS OF CURVATURE ALONG THE LEADING EDGE OF SAID ADMISSION PIPE, THE INFLATED ELEMENTS BEARING AGAINST CORRESPONDING RECESSES IN THE OUTER WALL OF THE ADMISSION PIPE, A PLATE INSERTED IN EACH INFLATABLE ELEMENT AND COVERING PERMANENTLY THE COOPERATING RECESS TO PROVIDE CONTINUITY OF THE OUTER WALL OF THE ADMISSION PIPE, A CANVAS SHROUD SECURED OUTWARDLY ON THE INFLATABLE ELEMENTS AND PASSING THROUGH