Flow diffuser for exhaust pipe
AssigneePACCAR Inc
InventorPaul J. Troxler
Life of this patent
Estimating the term…
Abstract
A flow diffuser for vehicles of the type having an engine and an exhaust pipe generally includes a substantially tubular body having an outer surface and a first end configured for attachment to an exhaust pipe. The flow diffuser further includes a diffusion portion on the outer surface having a plurality of elongated diffusion ports. Each elongated diffusion port has an average length and an average width and a shape factor of less than about 0.7.
Claims20
A flow diffuser for vehicles of the type having an engine and an exhaust pipe, the flow diffuser comprising:
- (a) a substantially tubular body having an outer surface and a first end configured for attachment to an exhaust pipe;
- and
- (b) a diffusion portion on the outer surface having a plurality of elongated diffusion ports, each diffusion port having an average length and an average width and a shape factor of less than about 0.7.
A flow diffuser for vehicles of the type having an engine and an exhaust pipe, the flow diffuser comprising:
- (a) a substantially tubular body having an outer surface and a first end configured for attachment to an exhaust pipe;
- and
- (b) a diffusion portion on the outer surface having a plurality of elongated slots having a spacing between adjacent slots, wherein each elongated slot has an average length and an average width and wherein the spacing between adjacent slots is at least equal to the average width of the slots.
A flow diffuser for vehicles of the type having an engine and an exhaust pipe, the flow diffuser comprising:
- (a) a substantially tubular body having an outer surface and a first end configured for attachment to an exhaust pipe;
- and
- (b) a diffusion portion on the outer surface having an elongated substantially serpentine slot having a shape factor of less than about 0.7.
Dependencies are inferred from the claim text.