Patent ID: 7222601
Filing Date: 2007-05-29
Classification: F01C

Abstract:
1. A rotatably two-stroke reciprocating valveless vane internal combustion engine comprising: a cylindrical casing ( a double wall wherein cooling fluid is passing through; longitudinally extending walls ( end plates or heads ( a power output rotary hollow shaft ( four working chambers (a, b, c & d) formed between said vanes ( wherein said vanes ( wherein each of said four working chambers is simultaneously operated in a stroke of intake-and-compression, and then in a reversed stroke of expulsion-and-exhaust; intake ports ( wherein each of said intake ports is located on said end plates or heads ( exhaust ports ( wherein each of said exhaust ports is connected via an exhaust tube to a ball ( spark plug(s), igniting the compressed fuel mixture at maximum compression, and firing sequentially into said working chambers at the end of a cycle.