FUEL DISPENSING COCK Russian patent published in 2007 - IPC B67D5/00 

FIELD: mechanical engineering; cocks and valves.

SUBSTANCE: proposed cock has body, spring-loaded movable drain branch pipe with rod with calibrated metering and drain holes, control handle connected with rod, cooling member, flexible pipeline delivering cooling agent to cooling member. Cooling member is made in form of conical converging head with cooling plates installed on its hollow ribs. Cock is furnished additionally with thermal insulation of flexible pipeline delivering cooling agent to cooling member through de Laval nozzle. Sleeve holding fuel dispensing cock on neck of fuel is installed on front end of spring-loaded drain branch pipe. Said sleeve has housing with bosses for facilitated mounting and demounting of cock. Fitted in housing of sleeve is safety reed rubber valve and flame arrester. Device for separate delivery of cooling agent into fuel tank is installed on fuel dispensing cock body. Said device contains electromagnetic valve connected by electric conductors with dc source, switch and pilot lamp. Compressed air is used as cooling agent.

EFFECT: reduced losses of fuel and its fumes when filling fuel tank, improved fire safety, reduced contamination of ambient atmosphere with fuel fumes, time taken by filling and cost of filling equipment.

2 dwg