| 摘要 |
PROBLEM TO BE SOLVED: To accurately detect revolving speed of a turbocharger while suppressing heat damage affecting on an amplifier with an inexpensive configuration.SOLUTION: A diesel engine includes: a turbocharger 60; a revolving speed sensor 65 fixed to the turbocharger 60 to detect revolving speed of the turbocharger; an amplifier 66 for amplifying and outputting a detection signal of the revolving speed sensor 65; and a cooling water piping 72 which is disposed in the vicinity of the turbocharger 60, through which engine cooling water communicates. The amplifier 66 is fixed to the cooling water piping 72 in the vicinity of the turbocharger 60. |
