Device dispensing fuel for supplying an internal combustion engine cylinder

A fuel distribution device for feeding a plurality of cylinders of a fuel-injected internal combustion engine, said device having a hollow body with a plurality of ports (14, 114) formed in its wall adapted to be connected to a supply of fuel under pressure and to a plurality of injectors feeding the respective plurality of cylinders, said hollow body comprising at least two components (15, 16-115, 116) assembled together to define a cavity (17, 117) between them, wherein the cavity is at least substantially spherical and each of the plurality of ports comprises a substantially radially oriented small section hole (38, 118) and a larger diameter screw-threaded hole (40, 119) opening to the outside and connected to said small section hole, and wherein said components define a substantially spherical cavity between them.

A fuel distribution device for feeding a plurality of cylinders of a fuel-injected internal combustion engine, said device having a hollow body with a plurality of ports (14, 114) formed in its wall adapted to be connected to a supply of fuel under pressure and to a plurality of injectors feeding the respective plurality of cylinders, said hollow body comprising at least two components (15, 16-115, 116) assembled together to define a cavity (17, 117) between them, wherein the cavity is at least substantially spherical and each of the plurality of ports comprises a substantially radially oriented small section hole (38, 118) and a larger diameter screw-threaded hole (40, 119) opening to the outside and connected to said small section hole, and wherein the inside wall of a first of the at least two components (15, 115) forms a first spherical dome (22, 122) extended by a cylindrical sleeve (23, 123) that is open prior to assembly and a second of the at least two components includes a cylindrical plug engaged after assembly in said cylindrical sleeve and having a cup at its inside end forming a second spherical dome (28, 128) complementary to the first spherical dome (22, 122).

A fuel distribution device for feeding a plurality of cylinders of a fuel-injected internal combustion engine, said device having a hollow body with a plurality of ports (14, 114) formed in its wall adapted to be connected to a supply of fuel under pressure and to a plurality of injectors feeding the respective plurality of cylinders, said hollow body comprising at least two components (15, 16-115, 116) assembled together to define a cavity (17, 117) between them, wherein the cavity is at least substantially spherical and each of the plurality of ports comprises a substantially radially oriented small section hole (38, 118) and a larger diameter screw-threaded hole (40, 119) opening to the outside and connected to said small section hole, said fuel distribution device further includes an annular recess (146) between the at least two components in a vicinity of a welded area of the plurality of ports and at least one of the at least two components.

A fuel distribution device for feeding a plurality of cylinders of a fuel-injected internal combustion engine, said device having a hollow body with a plurality of ports (14, 114) formed in its wall adapted to be connected to a supply of fuel under pressure and to a plurality of injectors feeding the respective plurality of cylinders, said hollow body comprising at least two components (15, 16-115, 116) assembled together to define a cavity (17, 117) between them, wherein the cavity is at least substantially spherical and each of the plurality of ports comprises a substantially radially oriented small section hole (38, 118) and a larger diameter screw-threaded hole (40, 119) opening to the outside and connected to said small section hole, and wherein a first of the at least two components includes a mounting base (36, 136), said mounting base (36, 136) comprises an annular flange projecting externally relative to a cylindrical plug and the annular flange is welded to a corresponding annular area of a second of the at least two components surrounding an opening of a sleeve of the second of the at least two components.