Patent ID: 7739998
Filing Date: 2010-06-22
Classification: F01B,F01L,F02B

Abstract:
1. An engine comprising: a first cylinder having a first cylinder opening and a first cylinder head; a first piston that reciprocates in the first cylinder opening; a second cylinder having a second cylinder opening and a second cylinder head; a second piston that reciprocates in the second cylinder opening, wherein the first cylinder opening and the second cylinder opening are in facing relationship such that the first cylinder and the second cylinder are axially opposed, and wherein the first piston and the second piston are connected such that the first piston moves toward the first cylinder head when the second piston moves away from the second cylinder head and such that the first piston moves away from the first cylinder head when the second piston moves toward from the second cylinder head, and wherein the first piston includes a first flange on one side of the first piston and a second flange on an opposite side of the first piston, the second piston includes a first flange on one side of the second piston and a second flange on an opposite side of the second piston, and the first flanges of the first piston and the second piston are connected and the second flanges of the first piston and the second piston are connected.