Rotary internal combustion engine with cooled insert

An rotary internal combustion engine comprising:

• a stator body having an internal cavity enclosed by a plurality of walls, one of the walls having an insert opening defined in a hot area thereof and in communication with the internal cavity, at least one groove defined within the opening around a perimeter thereof, at least one coolant inlet channel defined therein in communication with each groove, and at least one coolant outlet channel defined therein in communication with each groove;
• a rotor body received within the internal cavity and sealingly engaged with the walls to define at least one chamber undergoing intake, compression, expansion and exhaust phases as the movable body moves;
• a cooling jacket lining the insert opening, the cooling jacket cooperating with each groove to define a cooling gallery around the insert opening;
• and
• an insert sealingly received in the cooling jacket, the insert being made of a material having a greater heat resistance than that of the one of the walls.