F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/00 (2006.01) B60K 15/03 (2006.01) F16K 17/04 (2006.01) F16K 17/38 (2006.01)
Patent
CA 2482308
A safety valve for pressurized tanks, particularly for tanks for containing methane or LPG for motor vehicles, comprises an open/close element (15) that is kept by elastic means (19) in a closing position, in which it does not enable communication of the internal cavity (4) of the tank with the external atmosphere. When a pre-set maximum value of the pressure inside the tank is exceeded, sufficient for overcoming the load of said elastic means (19), the open/close element (15) is displaced from its closing position and enables discharge of the gas contained in the tank into the external atmosphere. The elastic means (19) are arranged in series with a fuse element (22) , which is set between the open/close element (15) and the valve body (5). In this way, whenever the temperature exceeds a pre-set maximum value, the fuse element (22) melts, causing unloading of said elastic means (19), which consequently leaves the open/close element (15) free to open. Preferably, associated to the open/close element (15) are sensor means for detecting the displacement of the open/close element from its closing position, which are designed to signal intervention of the safety valve to the driver.
de Matthaeis Sisto Luigi
de Michele Onofrio
Ricco Mario
Ricco Raffaele
Satriano Annunziata Anna
C.r.f. Societa Consortile Per Azioni
Macrae & Co.
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