Spring-loaded pressure relief valve, particularly for containers of pressurized fluids
AssigneeCavagna Group S.P.A.
InventorCarlo Cavagna
Life of this patent
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Abstract
A spring-loaded pressure relief valve, particularly for containers of pressurized fluids, comprising a valve body that is associable with a container and forms a discharge port that is controlled by a main piston; an auxiliary valve is further provided, which controls a venting port and drives the intervention of the main piston, such main piston being accommodated in a cavity that is formed in the valve body and is open in an axial direction on the opposite side with respect to the venting port.
Claims21
A spring-loaded pressure relief valve, particularly for containers of pressurized fluids, comprising a valve body that is associable with a container and forms a discharge port that is controlled by a main piston, an auxiliary valve being further provided which controls a venting port and drives the intervention of said main piston, wherein said main piston is accommodated in a cavity that is formed in said valve body and is open in an axial direction on the opposite side with respect to said venting port.
A spring-loaded pressure relief valve, particularly for containers of pressurized fluids, comprising a valve body that is associable with a container and forms a discharge port that is controlled by a main piston, an auxiliary valve being further provided which controls a venting port and drives the intervention of said main piston, comprising a one-way valve that is arranged at said venting port and is adapted to block said venting port when said auxiliary valve is removed.
Dependencies are inferred from the claim text.