| 摘要 |
A fluid injector has a housing, a valve body and an actuator unit, that is inserted into the housing. The valve body has a cartridge with a recess, that takes in a needle ( 22 ). A receptance ( 221 ) is formed in the needle ( 22 ) and fixes a locking element ( 233 ) in an axial direction relative to the needle ( 22 ). A return spring ( 24 ) rests on the spring rest body ( 23 ) which is pretensioned in a way that it presses the spring rest body ( 23 ) against the locking element ( 233 ).
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