| 摘要 |
1,037,423. Fuel cells. ALLMANNA SVENSKA ELEKTRISKA A.B. May 13, 1963 [May 18, 1962], No. 18787/63. Heading H1B. A fuel cell is supplied with hydrogen from cracked ammonia, the hydrogen containing exhaust from the cell being burnt in the cracker to supply heat. Liquid ammonia and liquid oxygen can be carried in ships (especially submarines) and both gas streams can be recycled in closed circuit. As shown, the cracker 11 derives hydrogen and nitrogen from ammonia stored at 10 and supplies it to the fuel cell 17, and the hydrogen depleted gas is supplied to the combustion chamber of the cracker with excess oxygen from the cell, supplied along line 31. The combustion products are dewatered at 32 and completely dried at 36 and pass through a heat-exchanger 39 to a source of liquid oxygen 35. By suitable cooling excess nitrogen may liquefy and leave the system. The oxygenated nitrogen passes back through the heatexchanger 39 and to the input 30 of the oxygen side of the cell. The used atmosphere from the living quarters of the submarine enters the system at 45 and oxygenated nitrogen is supplied to the living quarters at 50. In a modification the oxygen depleted gas is passed into intimate contact with sea water and becomes oxygenated for re-use. |
