US4577720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorcycle engine cooling system
Assignee: Honda Motor Co Ltd
•
Filing: 1983-09-09
•
Granted: 1986-03-25
•
Expires: 2003-09-09
Abstract
Abstract Motorcycles having front leg shields, step floors and rear bodies. The rear bodies contain engines and water cooling systems therefor. The radiators of such systems are located above or behind the engine with inlet air directed to the radiator and independently to the engine of these motorcycles.
Inventors
- 👤 Masumi Hamane
- 👤 Masahiko Kimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:30
CPC Classifications
B; B62; B62M; B62M7/00; B62M7/02; B62M7/06; B62J; B62J17/00; B62J17/10; B62J41/00; F; F01; F01P; F01P11/00; F01P11/10; F02; F02B; F02B61/00; F02B61/02; B62K; B62K2202/00
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
50 words
A motorcycle having a rear body containing a rear mounted engine, comprising a radiator mounted in the rear body above the rear mounted engine; inlet openings in the front of the rear body; and a passage above the engine in the rear body from said inlet openings to said radiator.
Claim 2
Dependent Claim
50 words
A motorcycle having a rear body containing a rear mounted engine, comprising a radiator mounted in the rear body above the rear mounted engine; inlet openings in the front of the rear body; and a passage above the engine in the rear body from said inlet openings to said radiator.
Claim 3
Dependent Claim
12 words
The motorcycle of claim 1 further comprising a fan adjacent said radiator.
Claim 4
Dependent Claim
12 words
The motorcycle of claim 1 wherein said radiator is substantially horizontally mounted.
Claim 5
Dependent Claim
23 words
The motorcycle of claim 1 further comprising outlet openings at the back of the rear body to vent air from the rear body.
Claim 6
Dependent Claim
56 words
A motorcycle having a rear body containing a rear mounted engine, comprising a radiator mounted at the back of the rear body behind the engine; exhaust openings in the back of the rear body immediately adjacent said radiator; and inlet openings in the upper front of the rear body above the engine for air to enter.
Claim 7
Dependent Claim
56 words
A motorcycle having a rear body containing a rear mounted engine, comprising a radiator mounted at the back of the rear body behind the engine; exhaust openings in the back of the rear body immediately adjacent said radiator; and inlet openings in the upper front of the rear body above the engine for air to enter.
Claim 8
Dependent Claim
22 words
The motorcycle of claim 5 further comprising inlet openings in the rear body in front of said engine for air to enter.
Claim 9
Dependent Claim
66 words
A motorcycle having a rear body containing a rear mounted engine, comprising: a radiator mounted in the rear body above the rear mounted engine, inlet openings in the front of the rear body; a passage above the engine in the rear body from said inlet openings to said radiator; and engine compartment inlet openings spaced downwardly from said inlet openings to direct air to the engine.
Claim 10
Dependent Claim
66 words
A motorcycle having a rear body containing a rear mounted engine, comprising: a radiator mounted in the rear body above the rear mounted engine, inlet openings in the front of the rear body; a passage above the engine in the rear body from said inlet openings to said radiator; and engine compartment inlet openings spaced downwardly from said inlet openings to direct air to the engine.
Claim 11
Dependent Claim
66 words
A motorcycle having a rear body containing a rear mounted engine, comprising a radiator mounted in the rear body above the rear mounted engine; inlet openings in the front of the rear body; a passage above the engine in the rear body from said inlet openings to said radiator; and a seat above the rear body, said seat being hinged to allow access to said radiator.
Claim 12
Dependent Claim
66 words
A motorcycle having a rear body containing a rear mounted engine, comprising a radiator mounted in the rear body above the rear mounted engine; inlet openings in the front of the rear body; a passage above the engine in the rear body from said inlet openings to said radiator; and a seat above the rear body, said seat being hinged to allow access to said radiator.
Claim 13
Dependent Claim
55 words
A motorcycle having a rear body containing a rear mounted engine, comprising: a radiator mounted at the back of the rear body behind the engine; exhaust openings in the back of the rear body immediately adjacent said radiator; and a seat above the rear body, said seat being hinged to allow access to said radiator.
Claim 14
Dependent Claim
55 words
A motorcycle having a rear body containing a rear mounted engine, comprising: a radiator mounted at the back of the rear body behind the engine; exhaust openings in the back of the rear body immediately adjacent said radiator; and a seat above the rear body, said seat being hinged to allow access to said radiator.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-03-24 | 1989-09-23 | 1990-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-24 | 1993-09-23 | 1994-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-24 | 1997-09-23 | 1998-03-25 | $7700.00 | Window Closed / Lapsed |