Molded plastic fuel rail for an internal combustion engine
This patent describes for an internal combustion engine having at least four cylinders, a pressurized fuel source, an air intake manifold, and a cylinder head having an air intake passageway for each cylinder. It includes a high temperature plastic first fuel rail block; means for attaching the first fuel rail block to the engine cylinder head; at least two air conduits provided in the first fuel rail block, each of the at least two air conduits providing for communication of the engine air intake manifold to a respective one of the air intake passageways of the engine cylinder head; at least two injector wells provided in the first fuel rail block, a respective fuel injector valve disposed in each respective one of the at least two injector wells, each of the at least two injector wells being associated with a respective one of the at least two air conduits and having an outlet port in communication with the respective air conduit, the respective fuel injector valve at a predetermined angle relative to the respective air conduit to cause the respective fuel injector valve to inject fuel directly into the respective air intake passageway; a pressure regulator well provided in the first fuel rail block, a fuel pressure regulator disposed in the pressure regulator well, the fuel pressure regulator having an inlet port and an outlet port.
- Assignee:
- Siemens-Bendix Automotive Electronics L.P., Auburn Hills, MI (United States)
- Patent Number(s):
- US 5022371; A
- Application Number:
- PPN: US 7-414885
- OSTI ID:
- 5838722
- Country of Publication:
- United States
- Language:
- English
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