| 摘要 |
PROBLEM TO BE SOLVED: To stabilize a behavior of a check valve used for an auxiliary chamber type gas engine with a simple structure.SOLUTION: An auxiliary chamber type gas engine 1 having a main combustion chamber 11 and an auxiliary combustion chamber 13 connected to the main combustion chamber 11, has: a housing 16 formed with a cylindrical storage space 17 connected to the auxiliary combustion chamber 13; a columnar check valve 18 stored in the storage space 17, and capable of moving in an axial direction of the storage space 17; and a gas supply path 21 which is connected to a part of the storage space 17 on the opposite side to the auxiliary combustion chamber 13 side across the check valve 18. The check valve 18 is moved to the gas supply path 21 side to block the gas supply path 21 by the inflow of gas from the auxiliary combustion chamber 13 to the storage space 17, and moved to the auxiliary combustion chamber 13 side to open the gas supply path 21 by the inflow of the gas from the gas supply path 21 to the storage space 17. On the outer peripheral surface of the check valve 18, a groove 23 inclining in an axial direction of the check valve 18 and in which the gas can circulate is formed.SELECTED DRAWING: Figure 1 |
