Other fuel-injection apparatus having pertinent characteristics not provided for in groups [CPC: F02M39/00] - [CPC: F02M57/00] or [CPC: F02M67/00]; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups [CPC: F02M39/00] - [CPC: F02M61/00] or [CPC: F02M67/00]; {Combination of fuel pump with other devices, e.g. lubricating oil pump}