Patent ID: 7409754

Claim:
An apparatus for closing one or more fluid passages of one or more engines, comprising: a conveyor unit to carry various models of engines, which are target objects, to a location at which a closing operation is performed; an engine model identifying unit to recognize and identify a model of engine carried by the conveyor unit; a location setting unit to hold and support said engine, placed on the conveyor unit, at the location at which the closing operation is performed; a robot unit to move an arm thereof to a position at which the closing operation is performed and which is preset depending on the engine model identified by the engine model identifying unit; a caulking device mounted to said arm of said robot unit to press-fit a closing member into an inlet of the fluid passage at the preset position at which the closing operation is performed, the caulking device comprising: a housing mounted to the arm of the robot unit; a closing operation unit mounted to the housing to perform the operation of closing the inlet of the fluid passage of the engine; an actuating force feed unit to feed actuating force to the closing operation unit; and a position detecting unit mounted to said housing to detect a position of the closing operation unit; and a control unit to move the arm of the robot unit to the inlet of the fluid passage of the engine and control the caulking device such that the operation of closing the inlet of the fluid passage of said engine is performed.