Abstract: An automated analyzer includes a reagent dispensing probe that dispenses a reagent to a reaction vessel, a sample dispensing probe that dispenses a sample to the reaction vessel, a stirring rod that stirs a sample and a reagent in the reaction vessel, and a storage unit that stores special washing information including information about a condition for performing special washing to prevent sample carryover and a washing method. The automated analyzer further includes: a determination unit that determines whether the special washing is required based on information about the sample dispensed by the sample dispensing probe and the special washing information; and a controller that causes the reagent dispensing probe to dispense a wash liquid to the reaction vessel and causes the stirring rod to stir the wash liquid in the reaction vessel based on the special washing information, when the special washing is performed.

Abstract: A pressure sensor of the present disclosure includes a laminated piezoelectric device including a stacked body in which piezoelectric layers and internal electrodes are alternately laminated; and a case which encloses the laminated piezoelectric device, the case including a case main body and a first projection protruding inwardly from the case main body, the first projection including an end face which abuts on an end face in a stacking direction of the stacked body, and is located inside an outer periphery of the end face of the stacked body.

Abstract: There are provided a laminated piezoelectric element in which a stress applied to an interface between a cover layer and a stacked body is reduced, and an injection device and a fuel injection system provided with the laminated piezoelectric element. A laminated piezoelectric element includes a stacked body in which piezoelectric layers and internal electrode layers are alternately laminated; and a cover layer disposed so as to surround a side face of the stacked body, and the cover layer has a two-layer structure with an annular boundary when viewed in a section perpendicular to a stacking direction of the stacked body.

Abstract: A pressure sensor of the present disclosure includes a laminated piezoelectric device including a stacked body in which piezoelectric layers and internal electrodes are alternately laminated; and a case which encloses the laminated piezoelectric device, the case including a case main body and a first projection protruding inwardly from the case main body, the first projection including an end face which abuts on an end face in a stacking direction of the stacked body, and is located inside an outer periphery of the end face of the stacked body.

Abstract: There are provided a laminated piezoelectric element in which a stress applied to an interface between a cover layer and a stacked body is reduced, and an injection device and a fuel injection system provided with the laminated piezoelectric element. A laminated piezoelectric element includes a stacked body in which piezoelectric layers and internal electrode layers are alternately laminated; and a cover layer disposed so as to surround a side face of the stacked body, and the cover layer has a two-layer structure with an annular boundary when viewed in a section perpendicular to a stacking direction of the stacked body.