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US5036931A
Expired / Lapsed
US
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Cooling system for engine mounted on vehicle
Assignee: Kubota Corp
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Filing: 1990-06-19
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Granted: 1991-08-06
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Expires: 2010-06-19
Abstract
Abstract A cooling system for an engine mounted in a front portion of a vehicle having a radiator disposed between the engine and a driver's seat, a fan mounted in proximity to the radiator for directing cooling air from the driver's seat to the engine through the radiator, and a cooling air flow passage for interconnecting the fan and ambient air. The cooling air flow passage is provided with an air inlet located away from the driver's seat and defined in the front portion of the vehicle at a forward position than a region of the radiator, extends from the air inlet and is defined by a partition plate and an engine hood.
Inventors
- 👤 Hirofumi Iritani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:31
CPC Classifications
B; B60; B60K; B60K11/00; B60K11/08
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
155 words
A cooling system for an engine mounted in a front portion of a vehicle, said engine being positioned forwardly of a driver's seat and covered by a hood, said cooling system comprising; a radiator disposed between said engine and said driver's seat, a fan mounted in proximity to said radiator between said radiator and said engine for drawing cooling air from an area along said hood forward for the driver's seat to said engine through said radiator, and cooling air flow passage means for taking in cooling air, said air flow passage means including an air inlet defined in the front portion of the vehicle at positions forward of a region of said radiator, said air inlet intercommunicating with said fan, a first noise absorption means between said radiator and an intermediate member, and a second noise absorption means between said intermediate member and said hood which prevents air from being drawn around said radiator.
Claim 2
Dependent Claim
155 words
A cooling system for an engine mounted in a front portion of a vehicle, said engine being positioned forwardly of a driver's seat and covered by a hood, said cooling system comprising; a radiator disposed between said engine and said driver's seat, a fan mounted in proximity to said radiator between said radiator and said engine for drawing cooling air from an area along said hood forward for the driver's seat to said engine through said radiator, and cooling air flow passage means for taking in cooling air, said air flow passage means including an air inlet defined in the front portion of the vehicle at positions forward of a region of said radiator, said air inlet intercommunicating with said fan, a first noise absorption means between said radiator and an intermediate member, and a second noise absorption means between said intermediate member and said hood which prevents air from being drawn around said radiator.
Claim 3
Dependent Claim
34 words
A cooling system as claimed in claim 1 wherein said cooling air flow passage means extends from said air inlet and is provided with a passage defined by a partition plate and said hood.
Claim 4
Dependent Claim
19 words
A cooling system as claimed in claim 1 wherein said air inlet is facing the front of the vehicle.
Claim 5
Dependent Claim
27 words
A cooling system as claimed in claim 3 wherein said air inlet is positioned substantially at a position opposite a region of said engine juxtaposed said fan.
Claim 6
Dependent Claim
22 words
A cooling system as claimed in claim 1 wherein said air inlet is defined in a lateral side face of said hood.
Claim 7
Dependent Claim
21 words
A cooling system as claimed in claim 2 wherein said air inlet is defined in a front face of said hood.
Claim 8
Dependent Claim
30 words
A cooling system as claimed in claim 5 wherein said cooling air flow passage means is defined by a partition plate interconnecting said air inlet, said radiator, and said hood.
Claim 9
Dependent Claim
24 words
A cooling system as set forth in claim 1 which includes noise absorption means between a portion of said air inlet and said hood.
Claim 10
Dependent Claim
21 words
A cooling system as set forth in claim 1 which includes air filter means in said inlet which filters incoming air.
Claim 11
Dependent Claim
21 words
A cooling system as set forth in claim 8 which includes air filter means in said inlet which filters incoming air.
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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) | 1994-08-05 | 1995-02-04 | 1995-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-05 | 1999-02-04 | 1999-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-05 | 2003-02-04 | 2003-08-06 | $7700.00 | Window Closed / Lapsed |