Patent ID: 9127616
Filing Date: 2015-09-08
Classification: F01B,F02F,Y10T

Abstract:
1. A piston for an opposed piston internal combustion engine, comprising: a piston body that extends along an axis and includes a crown and a skirt which depends from said crown and a pair of aligned pin bosses which depend from said skirt on an axial side of said skirt opposite of said crown, and at least a portion of said skirt being a full piston skirt with a flat surface which extends uninterruptedly around said piston body; said piston body including a plurality of ring grooves surrounding said crown and at least one additional ring groove which is spaced from said crown by at least a portion of said skirt; a wrist pin having a length that is longer than a maximum diameter of said piston body, said wrist pin being received within said pin bosses and extending past each of said pin bosses for receiving a pair of connecting rods; and wherein said piston body is a monobloc piston body made of one integral piece or of multiple pieces welded or adhered together.