| 摘要 |
<p>ARTHUR I. ANDERSON COMBINATION GRAVITY/PNEUMATIC HOPPER BOTTOM A bottom assembly for a hopper vehicle is adapted to permit safe pneumatic unloading as well as gravity unloading of a hopper. The bottom assembly includes a membrane mounted to be moved over and away from a hopper bottom opening, and sealing devices for insuring a secure seal for the hopper which can be easily set. A discharge manifold is connected to the hopper at a location spaced from the hopper bottom opening, and the hopper bottom opening is contained in a plane which is tilted with respect to the horizontal.</p> |
