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US4509613A Expired / Lapsed US ⏱️ 0.0 years remaining

Motorcycle air cleaner arrangement

Assignee: Honda Motor Co Ltd
•
Filing: 1982-09-17
•
Granted: 1985-04-09
•
Expires: 2002-09-17
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Abstract

Abstract A motorcycle is provided with an air cleaner mounted beneath the tank and between downwardly extending portions thereof, between the frame members. The air cleaner is provided with a window for viewing the element and is inspected by pivotting the tank upwardly.

Inventors

  • 👤 Ken Yamaguchi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 12:05
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/16; F02M35/162; B; B62; B62J; B62J35/00; F02B; F02B61/00; F02B61/02; F02M35/02; F02M35/10; F02M35/104; F02M35/116; Y; Y10; Y10S; Y10S55/00; Y10S55/28

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 119 words
In a motorcycle having an engine, a frame, a fuel tank, and an air cleaner, the improvement comprising; said air cleaner positioned below a bottom wall of, and at a front portion of said fuel tank; and said frame provided with a head pipe, at least one upper main pipe extending in the vicinity of said bottom wall of said fuel tank and connected to said head pipe, and a pair of lower main pipes positioned above said engine and connected to said upper pipe adjacent to a rear half portion of said fuel tank, said air cleaner being disposed within a space defined by said head pipe, said upper main pipe and said pair of lower main pipes.
Claim 2
Dependent Claim 119 words
In a motorcycle having an engine, a frame, a fuel tank, and an air cleaner, the improvement comprising; said air cleaner positioned below a bottom wall of, and at a front portion of said fuel tank; and said frame provided with a head pipe, at least one upper main pipe extending in the vicinity of said bottom wall of said fuel tank and connected to said head pipe, and a pair of lower main pipes positioned above said engine and connected to said upper pipe adjacent to a rear half portion of said fuel tank, said air cleaner being disposed within a space defined by said head pipe, said upper main pipe and said pair of lower main pipes.
Claim 3
Dependent Claim 17 words
The improvement of claim 1, said air cleaner including water protector means at a front end thereof.
Claim 4
Dependent Claim 52 words
The improvement of claim 1, further comprising a pair of cross-pipes, each extending between said lower main pipes, at least one hook member connected to said air cleaner and engageable with one of said cross-pipes; a fixing portion connected to said air cleaner and connectible to the the other of said cross-pipes.
Claim 5
Dependent Claim 35 words
The improvement of claims 1 or 3, wherein said air cleaner includes an air intake pipe and a filter element, and further comprising a rectifying member disposed between said intake pipe and said filter element.
Claim 6
Dependent Claim 13 words
The improvement of claim 4, wherein said filter element is of elliptical shape.
Claim 7
Dependent Claim 20 words
The improvement of claim 4, wherein said rectifying member has a V-shaped configuration widening in the direction of air flow.
Claim 8
Dependent Claim 28 words
The improvement of claim 4, wherein said intake pipe is positioned adjacent to said head pipe, and wherein an open end of said intake pipe is oriented downwardly.
Claim 9
Dependent Claim 27 words
The improvement of claim 1, further comprising a cone tube positioned vertically between said air cleaner and a chamber positioned at an upstream side of a carburetor.
Claim 10
Dependent Claim 22 words
The improvement of claim 1, further including window means in a housing of said air cleaner for viewing a cleaning element thereof.
Claim 11
Dependent Claim 18 words
The improvement of claim 1, said air cleaner being disposed between downwardly projecting portions of said fuel tank.
Claim 12
Dependent Claim 35 words
The improvement of claim 10, said fuel tank being pivotally mounted to expose said air cleaner, and window means in said air cleaner for exposing a cleaning element thereof when said fuel tank is pivoted.

References Cited (Backward Citations)

US2952327A Cited
US4157902A Cited
US4212659A Cited
US4364340A Cited
US4427087A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-04-08 1988-10-08 1989-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-04-08 1992-10-08 1993-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-04-08 1996-10-08 1997-04-09 $7700.00 Window Closed / Lapsed

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