| 摘要 |
<p>432,181. Jet propulsion. REY, J. A., 30, Rue de Versailles, Viroflay, Seine-et-Oise, France. Oct. 17, 1933, No. 28746. Void [Abridged as open to inspection under Sect. 91 of the Acts, April 19, 1934]. Application for addition to 397,992. [Classes 4 and 114] [See also Group XXXI] In ejector devices for propelling by reaction such as described in the parent Specification in which the driving-fluid entrains a second fluid and the mixture serves as driving-fluid to entrain a third fluid, the mixture of the three fluids serving to create the driving purpose, the density of the intermediate fluid is so chosen that it lies between the densities of the first fluid and the final fluid entrained. For example, steam is employed to entrain air, and the mixture of air and steam is employed to entrain sea water.</p> |
