US Patent 7114489 Fuel-injector manifold assembly

A fuel-supply manifold assembly has a thin-wall tube extending along a tube axis and formed with a plurality of radially throughgoing ports and respective saddle fittings each formed with a face complementary to and fitting with an outer surface of the tube at a respective one of the ports and with a throughgoing passage having an inner end aligned with the respective port. Respective tubular alignment nipples each have a throughgoing passage and each further have an inner end seated in a respective one of the ports and an outer end seated in the inner end of the respective fitting.