DEVICE TO FEED GAS TO PRECHAMBERS OF INTERNAL COMBUSTION ENGINE Russian patent published in 1998 - IPC

FIELD: mechanical engineering; gaseous fuel systems of internal combustion engines. SUBSTANCE: device has system of gas conduits with gas supply main line 10, main gas valve 5, auxiliary gas valve 7, speed governor 4, meter 3, gas intake valve 15, prechamber gas manifold 9 and cylinder gas manifold 8, reducer-regulator 6 installed at inlet of cylinder gas manifold. Prechamber gas manifold 9 is connected with gas main line 10 through starting and operating main lines, 11 and 13, respectively. Starting main line 11 is connected with gas main line 10 after main gas valve and is provided with restrictor. Operating main line 13 is connected with cylinder gas manifold 8 and is provided with restrictor 14 and check valve 15 installed in tandem. EFFECT: improved reliability of operation of prechamber gas subsystem. 1 dwg