A hydraulically actuated electronically controlled unit injection system comprises a pressure intensifier associated with a hydraulically controlled differential valve (HDV) having a poppet valve opening into a working chamber of the pressure intensifier wherein there is a throttling slot...http://www.google.es/patents/US5785021?utm_source=gb-gplus-sharePatente US5785021 - Hydraulically actuated electronic fuel injection system
Hydraulically actuated electronic fuel injection system
