Fuel injection device for air compressing, self- igniting internal combustion engines

Abstract From the Canadian patent

A fuel injection device for air compressing self-, igniting internal combustion engines comprising at least one electromagnetic control valve by means of which a high pressure passage, in a fuel injection pump, may be connected to a low pressure passage, the said control valve comprising a valve element in the form of a piston slide valve loaded by a spring, adapted to move axially in a housing chamber provided with at least one high pressure connection and one low pressure connection, and in operative connection with an electromagnetic actuating device preferably controlled by an electrically operated measurement processing device. According to the invention, the high pressure piston slide …