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Active air intake for an engine — Harley-Davidson patent US7401590B2 (2008)

PatentUS7401590B2
TypeUtility patent
Filed2006-10-09
Granted2008-07-22
InventorGregory R. Schmidt
SystemFuel & air

“An intake system for a motorcycle having an engine. The intake system includes an air box having a first opening for receiving intake air and a second opening for supplying the intake air from the air box to a throttle assembly of the engine. A filter element is disposed within the air box for…”

Full patent textDownload PDFShop fuel & air parts

Drawings (9 sheets)

Active air intake for an engine — sheet 1Active air intake for an engine — sheet 2Active air intake for an engine — sheet 3Active air intake for an engine — sheet 4Active air intake for an engine — sheet 5Active air intake for an engine — sheet 6Active air intake for an engine — sheet 7Active air intake for an engine — sheet 8Active air intake for an engine — sheet 9

Parts for this system

37-2165
Ultima Air Cleaner Outer Cover Mounting Screw Set
$6.35
34-2120
Ultima Air Cleaner Backing Plate Adapter
$7.02
35-1259
Carburetor Fuel Inlet
$8.24
14-0505
Carburetor Adapter O-Ring
$8.48

Check fitment first — add your bike and we flag what fits.

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Drawing from the US patent record (via Google Patents). A patent shows the invention as filed, not necessarily the production part on your motorcycle — confirm fitment for your model and year. Independent aftermarket retailer, not affiliated with Harley-Davidson, Inc.