Fuel feed pressure regulator for internal combustion engine has pressure regulating valve in return pipe controlled by regulator between feed and return pipes

摘要

The internal combustion engine (5) fuel feed pressure regulator (7) is positioned between a feed pipe (4) and a return pipe (8) between the tank (1) and engine. The regulator a pressure regulating valve (8) positioned in the return pipe, with a resistance free connection to the fuel tank.