| 主权项 |
1. A fuel injection system having a high-pressure fuel reservoir for supplying fuel to fuel injectors that are connected to a return line device for directing excess fuel away from the fuel injectors,
the return line device comprising one return line connector attached to each of the fuel injectors, wherein each of the return line connectors are disposed in a return line of the fuel injection system and comprises:
a return inlet communicating with a respective one of the fuel injectors,at least two through holes each connected to a respective portion of the return line,a stop sleeve, anda check valve device integrated with the return line connector, the check valve device having a check valve body and being located between the return inlet and the through holes and preventing the passage of a fluid from the at least two through holes to the return inlet, wherein each of the return line connectors has a screwlike base body with a screw-headlike head at which a sleevelike valve receiving body originates and whose end remote from the head is open and forms the return inlet, and the through holes are formed in the sleevelike valve receiving body between the head and the check valve body, wherein each return line connector extends through the corresponding return line to establish fluid communication between the return line and the through holes, while the end of the base body remote from the head is inserted in and coupled to one of a cylinder and a cylinder head, and wherein the stop sleeve is secured in the end, remote from the head, of the sleevelike valve receiving body. |
