| 摘要 |
1,219,457. Helicopters. GARRETT CORP. 11 April, 1968 [12 April, 1967], No. 17591/68. Heading B7W. A helicopter 10 has a lift rotor 12, a main propulsion engine 16, and an auxiliary engine 18 of lower horse power and clutch mechanism (e.g. clutches 22, 23A) arranged to permit the rotor to be driven either by both engines together or by either engine alone. The helicopter may also include a passenger cabin 15. The clutch mechanism may also include freewheeling clutches 23, 26. The arrangement may also include a starter motor 24 and an electrical generator 19 fitted as shown, and also a shear neck 27 to disconnect the alternator 19 if this should jam |
