| 摘要 |
680,628. Intake and exhaust silencers. VOKES, Ltd. May 5, 1950 [June 3, 1949], No. 15004/49. Class 7 (ii). One or more pressure-equalising apertures 10, 11 are provided between an annular intake passage and a chamber 1. The passage is located at one end of the chamber and, for an intake silencer, the gases flow around the passage from an inlet . 6 to an outlet 8 and into the chamber and may then pass through a filter 12, preferably of soundabsorbing material, to an outlet 14. |
