Patent ID: 9494095
Filing Date: 2016-11-15
CPC Classification: F02B,F02D,F02M

Claim Text:
1. A fuel injection valve equipped with an in-cylinder pressure sensor, in which the fuel injection valve is configured to be fitted into an injection valve mounting hole provided in an engine, the fuel injection valve capable of directly injecting fuel from a dispensing tip situated at a front end of a valve housing part thereof into a combustion chamber of the engine, the in-cylinder pressure sensor is coaxial with, and attached to the valve housing part and surrounds the front end of the valve housing part in an area proximate the dispensing tip, the in-cylinder pressure sensor operable to detect a pressure of the combustion chamber, and a signal transmission device is connected to the in-cylinder pressure sensor, the signal transmission device configured to transmit an output signal thereof to an outside, wherein: an electrically conductive cylindrical signal circuit tube, as part of the signal transmission device, surrounds a portion of the valve housing part, and is fitted and connected to an inner peripheral face of a rear end of the in-cylinder pressure sensor, and the in-cylinder pressure sensor and the cylindrical signal circuit tube are fitted and fixed to an outer peripheral face of the valve housing part of the fuel injection valve.