ELECTROMAGNETIC VALVE FOR INJECTION OF FUEL INTO INTERNAL COMBUSTION ENGINE Russian patent published in 1996 - IPC

FIELD: manufacture of engines. SUBSTANCE: magnetically- actuated valve has core embraced by magnetic coil and armature which acts on shutoff member of valve by means of connecting pipe; joint of connecting pipe and solid shut-off member of valve is effected by means of welding and soldering. Shut-off member of valve which is more solid is provided with first welding spot after which this welding spot is welded with metal connecting pipe which is more soft by second welding spot; the procedure is continued till weld seam which ensures strong and reliable joint is formed between shut-off member of valve and connecting pipe. EFFECT: enhanced reliability. 5 cl, 6 dwg