Spacer plate for use with internal combustion engines

Details Spacer plate for use with internal combustion engines Spacer plate for use with internal combustion engines

2006-06-06

2006-06-06

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Charge forming device

Charge-mixing device in intake

C123S337000

Reexamination Certificate

active

07055513

ABSTRACT:
A device for use in an air intake path of an internal combustion engine to improve the engine performance. The device body has a top surface, bottom surface and at least one air passage defined about an axis from the top surface-to the bottom surface, containing a chamfer at each end. The upper portion of the passage surface contains a plurality of V-shaped veins about the axis of the passage. The lower portion of the passage narrows in diameter to a point equal to or greater than the vein extension in the upper portion. The lower portion also defines a grooved surface starting at it's beginning having a 60 degree slope edge and a flat bottom major diameter spaced in such a manner as to have a helical shape and to circumscribe the passage wall terminating prior to the end of the lower passage.

REFERENCES:
patent: 4482093 (1984-11-01), Hafner et al.
patent: 6338335 (2002-01-01), Patterson et al.

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