AIR SUPPLY PIPE STRUCTURE FOR MULTI-CYLINDER GAS ENGINE

摘要

PROBLEM TO BE SOLVED: To ensure the uniformity of fuel supply between respective cylinder engines and to supply uniform swirl flows for the respective cylinders in a multi-cylinder gas engine. SOLUTION: This air supply pipe structure for the multi-cylinder gas engine is formed so that the inlet end of each of air supply ports 15 of respective cylinders may be connected to an air supply collecting pipe 1 through respective air supply branch pipes 12 respectively, and an injector 13 for gas fuel supply may be mounted on the respective air supply branch pipes 12. The length of the air supply branch pipe 12 is lengthened so that one gas fuel volume injected from the injector 13 may become almost one half or less as large as the total volume of the air supply branch pipe 12 and the air supply port 15 for each cylinder. The injector 13 is disposed on the downstream side of the air supply from the volume area of the air supply injected from the air supply collecting pipe 1 into the air supply branch pipe 12 at one time.