Patent US4606422A successfully refreshed from Google Patents.
US4606422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling air delivery systems
Assignee: Deere and Co
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Filing: 1985-03-06
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Granted: 1986-08-19
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Expires: 2005-03-06
Abstract
Abstract A cooling delivery system for a vehicle including a plurality of baffles mounted to the vehicle's engine compartment hood. A hood having a plurality of screens is pivotally mounted on the hood to cover the baffles in a down position. An air intake duct has a portion extending through the hood beneath the cover for receiving and conducting ambient air to a blower fan whereafter the ambient air is forced by the blower fan to traverse the vehicle's radiator.
Inventors
- 👤 James W. Jewett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:20
CPC Classifications
B; B60; B60K; B60K11/00; B60K11/08
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
182 words
A cooling air delivery system for a vehicle, said vehicle having an engine compartment enclosing an engine driving fan having radially spaced blades located opposite a radiator, and a shroud mounted between said radiator and said fan, comprising: said compartment having a hood, at least a first and second baffle fixedly mounted to the external surface of said hood; said baffles being in longitudinal spaced apart relationship, extending transversely across said hood and projecting upwardly therefrom; a first generally rectangular shaped opening in said hood rearward of said baffles, and a second generally rectangular shaped opening in said hood forward of said baffles; a cover pivotally mounted to said hood such that in a first position said cover encloses said baffles and said first and second openings in said hood and in a second position said baffles and said first and second openings are exposed; said cover being in a vertically spaced apart relationship to said baffles and having a plurality of screened openings forming part of said cover and extending between the said projecting baffles for admitting air into said cover.
Claim 2
Dependent Claim
182 words
A cooling air delivery system for a vehicle, said vehicle having an engine compartment enclosing an engine driving fan having radially spaced blades located opposite a radiator, and a shroud mounted between said radiator and said fan, comprising: said compartment having a hood, at least a first and second baffle fixedly mounted to the external surface of said hood; said baffles being in longitudinal spaced apart relationship, extending transversely across said hood and projecting upwardly therefrom; a first generally rectangular shaped opening in said hood rearward of said baffles, and a second generally rectangular shaped opening in said hood forward of said baffles; a cover pivotally mounted to said hood such that in a first position said cover encloses said baffles and said first and second openings in said hood and in a second position said baffles and said first and second openings are exposed; said cover being in a vertically spaced apart relationship to said baffles and having a plurality of screened openings forming part of said cover and extending between the said projecting baffles for admitting air into said cover.
Claim 3
Dependent Claim
100 words
A cooling air delivery system as claimed in claim 1 further comprising: an air intake duct having a first portion defining an entrance, said first portion extending matingly through said first opening, and a second portion defining an exit which extends circumferentially around the peripheral path of said fan blades; an engine respirator duct having a portion defining an entrance extending through said second opening in said hood and encapsulating an air filter, an exit duct extending into said respirator duct from said engine; means for fixably supporting said air intake duct and said respirator duct in said engine compartment.
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) | 1989-08-18 | 1990-02-17 | 1990-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-18 | 1994-02-17 | 1994-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-18 | 1998-02-17 | 1998-08-19 | $7700.00 | Window Closed / Lapsed |