Patent US4687069A successfully refreshed from Google Patents.
US4687069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling structure for an engine in a straddled type vehicle
Assignee: Honda Motor Co Ltd
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Filing: 1986-04-04
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Granted: 1987-08-18
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Expires: 2006-04-04
Abstract
Abstract A cooling structure for an engine in a straddled type vehicle provided with steerable left and right front wheels and an engine positioned at the center in a forth-back direction of a vehicle body is improved in that a cooling fan is disposed in front of the engine and an engine radiator is disposed contiguously to an upper half section of the cooling fan.
Inventors
- 👤 Fumio Inomata
- 👤 Tooru Iwadate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:09
CPC Classifications
B; B62; B62K; B62K5/00; B62K5/01; B60; B60K; B60K11/00; B60K11/02; B60K11/04
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
128 words
A cooling structure for an engine in a dune buggy type vehicle provided with steerable left and right front wheels and an engine positioned at the center in a slanted direction to a vehicle body such as a four-wheel buggy car, said cooling structure comprising: a cooling fan disposed in front of said engine; an oil cooler engine radiator disposed adjacent to an upper half section of said cooling fan; and a pair of left and right upper frame members and a pair of left and right lower frame members extended in front of a handle rotary shaft from a vehicle body frame supporting said engine, at least a principal part of said oil cooler engine radiator being disposed within a space surrounded by said four frame members.
Claim 2
Dependent Claim
128 words
A cooling structure for an engine in a dune buggy type vehicle provided with steerable left and right front wheels and an engine positioned at the center in a slanted direction to a vehicle body such as a four-wheel buggy car, said cooling structure comprising: a cooling fan disposed in front of said engine; an oil cooler engine radiator disposed adjacent to an upper half section of said cooling fan; and a pair of left and right upper frame members and a pair of left and right lower frame members extended in front of a handle rotary shaft from a vehicle body frame supporting said engine, at least a principal part of said oil cooler engine radiator being disposed within a space surrounded by said four frame members.
Claim 3
Dependent Claim
26 words
A cooling structure according to claim 1, wherein said oil cooler engine radiator is disposed in front of an upper half section of said cooling fan.
Claim 4
Dependent Claim
24 words
A cooling structure according to claim 1, wherein said oil cooler engine radiator is disposed behind an upper half section of said cooling fan.
Claim 5
Dependent Claim
16 words
A cooling structure according to claim 1, wherein said four frame members form a trapezoidcal shape.
Claim 6
Dependent Claim
31 words
A cooling structure according to claim 1, wherein a distance between said left and right upper frame members is larger than a distance between said left and right lower frame members.
Claim 7
Dependent Claim
23 words
A cooling structure according to claim 1, further comprising a lattice-like member disposed in front of said space surrounded by said frame members.
Claim 8
Dependent Claim
28 words
A cooling structure according to claim 1, wherein at least a principal part of said cooling fan is disposed within said space surrounded by said four frame members.
Claim 9
Dependent Claim
132 words
A cooling structure for an engine in a dune buggy type vehicle provided with steerable left and right front wheels and an engine positioned at the center in a slanted direction to a vehicle body such as a four-wheel buggy car, said cooling structure comprising: a cooling fan disposed in front of said engine; an oil cooler engine radiator disposed adjacent to an upper half section of said cooling fan; and a pair of left and right upper frame members and a pair of left and right lower frame members extended in front of a handle rotary shaft from a vehicle body frame supporting said engine, at least a principal part of said oil cooler engine radiator and said cooling fan being disposed within a space surrounded by said four frame members.
Claim 10
Dependent Claim
132 words
A cooling structure for an engine in a dune buggy type vehicle provided with steerable left and right front wheels and an engine positioned at the center in a slanted direction to a vehicle body such as a four-wheel buggy car, said cooling structure comprising: a cooling fan disposed in front of said engine; an oil cooler engine radiator disposed adjacent to an upper half section of said cooling fan; and a pair of left and right upper frame members and a pair of left and right lower frame members extended in front of a handle rotary shaft from a vehicle body frame supporting said engine, at least a principal part of said oil cooler engine radiator and said cooling fan being disposed within a space surrounded by said four frame members.
References Cited (Backward Citations)
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Cited
FR600454A
Cited
US3727712A
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US4237996A
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US4426960A
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US4535869A
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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) | 1990-08-17 | 1991-02-16 | 1991-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-17 | 1995-02-16 | 1995-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-17 | 1999-02-16 | 1999-08-18 | $7700.00 | Window Closed / Lapsed |