초록 ▼

The present invention provides a method, apparatus and system for using sacrificial buckling pin technology for a reliable actuated safety relief valve and for a pilot valve system. The buckling pin fails at a predicted, predetermined system pressure through transfer of force exerted by the system p

The present invention provides a method, apparatus and system for using sacrificial buckling pin technology for a reliable actuated safety relief valve and for a pilot valve system. The buckling pin fails at a predicted, predetermined system pressure through transfer of force exerted by the system pressure on a sensing piston or diaphragm to the buckling pin. The buckling pin failure triggers the release of a latch mechanism that releases the actuator assembly to slide away from the valve seat to initiate relief flow. The use of the buckling pin as a trigger for release of a latch provides for valves with high flow rates without the use of large, unmanageable buckling pins. The use of a buckling pin valve as a pilot valve to control a single or multiple relief valves operating together as a pressure relief system is preferred as particularly advantageous.

대표청구항 ▼

[ What is claimed is:] [1.]1. A safety relief system, comprising:(A) a pilot valve having at least one buckling pin disposed to buckle at a predetermined system pressure,(B) a pressure relief valve, operable in mechanically uncoupled relationship to the pilot valve,(C) a body having at least one flu

[ What is claimed is:] [1.]1. A safety relief system, comprising:(A) a pilot valve having at least one buckling pin disposed to buckle at a predetermined system pressure,(B) a pressure relief valve, operable in mechanically uncoupled relationship to the pilot valve,(C) a body having at least one fluid inlet communicating through said pressure relief valve to at least one fluid outlet,(D) wherein failure of said buckling pin causes said pressure relief valve to allow fluid communication between said fluid inlet and said fluid outlet, and(E) wherein said pilot valve controls more than one other pressure relief valve.