Terminal adapter and metering device comprising same

摘要

The invention relates to a terminal adapter (34) for an electrical connector (30) supplying electrical power to a piezoelectric actuator (18) in a high pressure fuel injector (10), in which the axially extendable piezoelectric actuator (18) controls the axial movement of a valve needle (26) to open and close a metering opening of the injector (10). According to the invention, the terminal adapter (34) comprises a set of adapter pins (36) each of which has a first end piece and a second end piece, wherein the first end pieces provide electrical contact to the piezoelectric actuator (18) and the second end pieces are adapted to be connected with an external power supply, and wherein the second end pieces have a flexible bending area allowing axial extensions of the adapter pins. <IMAGE>