Combustion equipment, e. g. for a gas turbine engine

Claim 1

COMBUSTION EQUIPMENT COMPRISING AN AIR DUCT, A PLURALITY OF COMBUSTION STABILZING MEMBERS ARRANGED IN THE AIR DUCT, MEANS SUPPLYING THE COMBUSTION STABILIZING MEMBERS WITH FUEL, A CHAMBER MOUNTED INTHE AIR DUCT, MEANS FOR SUPPLYING THE INTERIOR OF THE CHAMBER WITH FUEL AND AIR, MEANS EFFECTING COMBUSTION OF THE FUEL AND AIR IN THE CHAMBER, STRUCTURE CARRYING SAID COMBUSTION STABILIZING MEMBERS AND MOVABLE BETWEEN AN INOPERATIVE POSITION IN WHICH THE STRUCTURE AND THE COMBUSTION STABILIZING MEMBERS EXTEND ACROSS THE AIR DUCT AND AN INOPERATIVE POSITION IN WHICH THE STRUCTURE AND THE COMBUSTION STABILIZING MEMBERS PRESENT RELATIVELY LITTLE OBSTRUCTION TO THE FLOW OF AIR THROUGH THE AIR DUCT, AT LEAST ONE INNER TUBE COMMUNICATING WITH THE CHAMBER FOR PASSING OUT OF THE CHAMBER THE HOT GASES ARISING FROM THE SAID COMBUSTION AND DIRECTING THE SAID HOT GASES PAST THE OPERATIVE POSITION OF THE SAID COMBUSTION STABILIZING MEMBERS SO AS TO IGNITE FUEL SUPPLIED THERETO, AND AT LEAST ONE OUTER TUBE, CONCENTRIC WITH SAID AT LEAST ONE INNER TUBE, AND ADAPTED TO BE SUPPLIED WITH COOLING AIR.