A fuel supply system for a gaseous fuel operated vehicle engine in which a compressed gas from a bomb is decompressed by regulator means and then mixed with air to supply air-fuel mixture to the engine. The regulator means is divided into at least two units, locating an upstream regulator and the bomb...http://www.google.de/patents/US4811720?utm_source=gb-gplus-sharePatent US4811720 - Fuel supply system for gaseous fuel operated vehicle and regulator therefor
