Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F02Combustion engines F02MSUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF

F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00

F02M61/02of valveless type F02M61/04having valves F02M61/042The valves being provided with fuel passages F02M61/045The valves being provided with fuel discharge orifices F02M61/047the valves being formed by deformable nozzle parts F02M61/06the valves being furnished at seated ends with pintle or plug shaped extensions F02M61/08the valves opening in direction of fuel flow F02M61/10Other injectors with elongated valve bodies F02M61/12characterised by the provision of guiding or centring means for valve bodies F02M61/14Arrangements of injectors with respect to engines Mounting of injectors F02M61/145the injection nozzle opening into the air intake conduit F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14 F02M61/161Means for adjusting injection-valve lift F02M61/162Means to impart a whirling motion to fuel upstream or near discharging orifices F02M61/163Means being injection-valves with helically or spirally shaped grooves F02M61/165Filtering elements specially adapted in fuel inlets to injector F02M61/166Selection of particular materials F02M61/167Means for compensating clearance or thermal expansion F02M61/168Assembling; Disassembling; Manufacturing; Adjusting F02M61/18Injection nozzles F02M61/1806characterised by the arrangement of discharge orifices F02M61/1813Discharge orifices having different orientations with respect to valve member direction of movement F02M61/182Discharge orifices being situated in different transversal planes with respect to valve member direction of movement F02M61/1826Discharge orifices having different sizes F02M61/1833Discharge orifices having changing cross sections F02M61/184Discharge orifices having non circular sections F02M61/1846Dimensional characteristics of discharge orifices F02M61/1853Orifice plates F02M61/186Multi-layered orifice plates F02M61/1866Valve seats or member ends having multiple cones F02M61/1873Valve seats or member ends having circumferential grooves or ridges F02M61/188Shperical or partly spherical shaped valve member ends F02M61/1886Details of valve seats not covered by groups F02M61/1866 - F02M61/188 F02M61/1893Details of valve member ends not covered by groups F02M61/1866 - F02M61/188 F02M61/20Closing valves mechanically F02M61/205Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve