| 摘要 |
With reference to FIG. (2), a helmet (2) for an aircraft crew member (1) is provided with a device (10) for forming an eye-shielding curtain (11) of air in front of the crew members eyes. The air exhausts to the ambient atmosphere (9) by way of an escape path (12) beneath the lower edge of the visor (4), as indicated by arrow (13).
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