DEVICE TO STOP LIQUID AND/OR VAPOR FLOW Russian patent published in 2005 - IPC

FIELD: transport engineering; filling stations.

SUBSTANCE: device is designed for positioning of break of hose in joint, for instance, end of hose and nozzle. Proposed joint contains female and male fittings, each its radial conical part which form, after connection, parts of conical ring. Split ring of joint consists of one or more parts and has groove corresponding to conical parts for relative connection and holding of male fitting in female fitting. Ring on opposite side, relative to groove, has one groove for spring ring 13 for orientation of spring ring and pressing the ring to conical ring and holding male fitting in female fitting until preset separating force appears, under action of which split ring will slip out of conical ring and holding of male fitting in female fitting will stop. Cone of valve is installed for stopping flow of liquid and/or vapor if male and female fittings separate from each other. Cone of valve is provided with connecting elements for engagement with female fitting, and sealing element for engagement with sealing surface of male fitting. Break indicator is arranged between connecting elements and sealing element.

EFFECT: simple design, low cost of production, reliable protection of environment.

9 cl, 17 dwg