Fuel feed device for automobile engine fuel injection system has electrical lead for controlling fuel pump motor used as earth connection for fuel feed device and fuel tank

摘要

The fuel feed device (2) has a fuel pump (8) driven by an electric motor (10), contained in a common housing (11) together with a fuel filter (9,19), positioned in front of and/or behind the fuel pump. The electrical lead (12a) for controlling the pump motor is uninsulated and electrically contacts all components of the fuel feed device and the fuel tank (1), for providing an earth connection.