Fuel injector director plate having chamfered passages and...

Details Fuel injector director plate having chamfered passages and... Fuel injector director plate having chamfered passages and...

2008-04-29

2010-06-01

Gorman, Darren W (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Orifice in separable disc or plate

C239S533200, C239S533120, C239S601000

Reexamination Certificate

active

07726590

ABSTRACT:
An improved fuel injection spray director plate including conically chamfered entries to the flow passages through the plate. The conical chamfer may extend part way or all the way through the plate. In a currently preferred embodiment, the chamfer extends only part way through the plate, and the remaining cylindrical portion of the passage provides desirable directional capability for the spray. Preferably, the conical chamfer axis forms an angle with the cylindrical portion axis. Preferably, a flow passage is positioned in the director plate such that the main flow direction of fuel exiting the fuel injector valve is received into the chamfer of the passage. Preferably, a second conical portion is formed in the passage between the first conical portion and the cylindrical portion.

REFERENCES:
patent: 5899390 (1999-05-01), Arndt et al.
patent: 6131827 (2000-10-01), Kurita et al.
patent: 2004/0262430 (2004-12-01), Joseph
patent: 2006/0097082 (2006-05-01), Goenka et al.

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