Patent ID: 7722009
Filing Date: 2010-05-25
Classification: F16K,Y10T

Abstract:
1. Electromagnetic valve for a gas cylinder, comprising: a valve body; a threaded portion of the valve body with an external thread, which is screwable into an internal thread on the gas cylinder; a portion of the valve body projecting into the gas cylinder; a shut-off piston; electromagnetic control elements by which the shut-off piston is movable from an open position to a closed position, wherein the valve body for receiving the shut-off piston and the electromagnetic control elements has a cavity which is disposed inside at least one of: the threaded portion and the portion of the valve body projecting into the gas cylinder, and wherein a mouth of the cavity is disposed on a head end of the valve body situated outside of the gas cylinder, and the shut-off piston and the electromagnetic control elements can be inserted into the cavity through the mouth; and a manual shut-off valve for interrupting gas flow from the gas cylinder to the cavity.