| 摘要 |
<p>A filter cleaning assembly (1), comprising: a tank (2) for storing a pressurized gas, provided with an outer surface that is substantially convex and with at least one first opening (3) and at least one second opening (4); at least one duct (5), which is at least partially inserted in the tank (2) and has a first end (5a), which is connected to the first opening by interposing valve means (6) for the controlled dispensing of the gas, which are arranged externally to the tank, and a second end (5b), which protrudes from the second opening and is associable with a filter; a body (7) for the hermetic connection of the valve means and of the first end, which is associated with the outer surface of the tank by interposing first sealing means (8); and a contoured annular element (11), which is fitted over the duct (5) at the second end and is associated with a sealing assembly (12) that is interposed between the outer surface of the tank and the duct, which comprises second sealing means (13), which are interposed between the contoured annular element (11) and the outer surface of the tank proximate to the second opening, and third sealing means (14), which are interposed between the annular element (11) and the duct (5).</p> |
