Patent ID: 8550041

Claim:
An opposed piston engine, comprising: an elongate member with a lengthwise dimension and a plurality of through bores transverse to the lengthwise dimension; a cylinder liner supported in each through bore, each cylinder liner including an exhaust end with an exhaust port and an inlet end with an inlet port, an external surface, and an internal bore with a longitudinal axis; a pair of opposed pistons disposed in the internal bore of each liner; wherein the cylinder liners are disposed in the through bores with the exhaust ends extending out of the through bores along a first side of the elongate member, and with the inlet ends extending out of the through bores along a second side of the elongate member opposite the first side; and, a coolant distribution gallery extending generally lengthwise in the elongate member with coolant feed passages extending through the elongate member to coolant passages between the through bores and the external surfaces of the cylinder liners.