Patent ID: 8453670

Claim:
A poppet valve, comprising: a valve body, said valve body having a central axis, a flow inlet, and a flow outlet; a poppet guide disposed inside the valve body so as to form a first portion of a flow passage from the flow inlet to the flow outlet, said first portion of said flow passage being formed between an inside surface of the valve body and an outside surface of the poppet guide; a poppet shutter disposed inside the poppet guide, the poppet shutter being configured to form a second portion of the flow passage between an outside surface of the poppet shutter and the inside surface of the valve body; and a biasing member disposed inside an inner chamber of the poppet guide, said biasing member being configured to bias the poppet shutter toward an inside surface of the flow inlet so as to block the passage, wherein said poppet guide further includes at least one discharge hole placing the inner chamber of the poppet guide in flow communication with a region of low static pressure of the flow passage, at the at least one rear hole, the at least one discharge hole being inclined with respect to the central axis of the valve body.