| 摘要 |
932,720. Exhaust ejectors. A. JAPELLA, A. LECOLLE, and R. DUCIMETIERE. June 27, 1960 [June 27, 1959], No. 22446/60. Class 7(2). Air driven through a tapered tube 3 by a fan or by vehicle movement is given a vertical movement by helicoidal vanes 4 and entrains exhaust from an engine tail pipe 1. The tube 3 may have a divergent extension 3b and may be mounted on the pipe 1 either directly or via an inner tube 2 and resilient seals 5, when a pipe bush 6 is provided, |
