Patent ID: 7744014

Claim:
An injection module with a housing comprising: an actuator element within the housing, wherein the actuator element changes its length when actuated according to an actuating stroke; an injection valve within the housing, wherein the actuator element controls the injection valve by means of the actuating stroke; a compensating element within the housing and arranged in series with the actuator element along an axial direction of the injection module, wherein a first end of the compensating element is connected to the actuator element and a second end of the compensating element is connected to the housing, wherein the compensating element compensates for changes in length of the housing as a result of thermal expansion; and a thermally conducting element disposed on the compensating element, wherein the thermally conducting element conducts thermal energy between the compensating element and the housing, and wherein the thermally conducting element allows slippage between the compensating element and the housing; wherein the second end of the compensating element is connected to the housing at a retaining point in such a way that the thermal expansion of the housing between the retaining point and the injection valve is essentially equivalent to the sum of the thermal expansion of actuator element and the thermal expansion of the compensating element.