US4915192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for oil cooler for final drive unit
Assignee: Nissan Motor Co Ltd
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Filing: 1988-09-08
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Granted: 1990-04-10
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Expires: 2008-09-08
Abstract
Abstract An oil cooler for a final drive unit is disposed under a vehicle floor and installed on a rear elevated portion of a rear floor panel and under a rear seat. In one embodiment, bracket arrangement for installing the oil cooler under the vehicle floor serves not only as a support for the oil cooler but as a deflector or an air introducing device for efficiently introducing air to the oil cooler.
Inventors
- 👤 Tsutomu Hayashida
- 👤 Atsushi Shizuta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:12
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/0412; F16H57/0415; F01; F01P; F01P11/00; F01P11/08; F16H57/048; F16H57/0482; F16H57/0483; F01P2060/00; F01P2060/04; F01P2060/045; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186; Y10T74/2189
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
112 words
An oil cooler arrangement for a vehicle comprising: a rear seat; a vehicle floor having a rear elevated portion on which said rear seat is installed; a propeller shaft which has a rear end and which is disposed under said vehicle floor; an exhaust system which is disposed under said vehicle floor on one side of said propeller shaft; a final drive unit which is connected to the rear end of said propeller shaft; and an oil cooler for said final drive unit, said oil cooler being disposed under said vehicle floor on the opposite side of said propeller shaft from the exhaust system and being supported by said rear elevated portion.
Claim 2
Dependent Claim
112 words
An oil cooler arrangement for a vehicle comprising: a rear seat; a vehicle floor having a rear elevated portion on which said rear seat is installed; a propeller shaft which has a rear end and which is disposed under said vehicle floor; an exhaust system which is disposed under said vehicle floor on one side of said propeller shaft; a final drive unit which is connected to the rear end of said propeller shaft; and an oil cooler for said final drive unit, said oil cooler being disposed under said vehicle floor on the opposite side of said propeller shaft from the exhaust system and being supported by said rear elevated portion.
Claim 3
Dependent Claim
19 words
An arrangement as claimed in claim 1, wherein said oil cooler is disposed forward of said final drive unit.
Claim 4
Dependent Claim
114 words
An arrangement for an oil cooler of a vehicle comprising: a rear seat: a vehicle floor having a front floor panel, a rear floor panel having an elevated portion on which said rear seat is installed, and a rear seat cross member; and an oil cooler for a final drive unit, said oil cooler being disposed under said vehicle floor and supported by said elevated portion of said rear floor panel, said rear seat cross member being disposed under a front end of said rear floor panel and having an inclined wall which is inclined with respect to said front floor panel and which is directed toward an upper end of said oil cooler.
Claim 5
Dependent Claim
114 words
An arrangement for an oil cooler of a vehicle comprising: a rear seat: a vehicle floor having a front floor panel, a rear floor panel having an elevated portion on which said rear seat is installed, and a rear seat cross member; and an oil cooler for a final drive unit, said oil cooler being disposed under said vehicle floor and supported by said elevated portion of said rear floor panel, said rear seat cross member being disposed under a front end of said rear floor panel and having an inclined wall which is inclined with respect to said front floor panel and which is directed toward an upper end of said oil cooler.
Claim 6
Dependent Claim
140 words
An oil cooler arrangement for a vehicle comprising: a rear seat: a vehicle floor having a front floor panel, a rear floor panel jointed to said front floor panel and having an elevated portion on which said rear seat is installed, and a rear seat cross member; and an oil cooler for a final drive unit, said oil cooler being disposed under said vehicle floor and being supported by said elevated portion of said rear floor panel, said rear seat cross member being disposed above a front end portion of said rear floor panel, said front floor panel having a rear end extension which extends rearwardly and upwardly with respect to said front floor panel from the joint between said front floor panel and said rear floor panel and which is directed toward an upper end of said oil cooler.
Claim 7
Dependent Claim
140 words
An oil cooler arrangement for a vehicle comprising: a rear seat: a vehicle floor having a front floor panel, a rear floor panel jointed to said front floor panel and having an elevated portion on which said rear seat is installed, and a rear seat cross member; and an oil cooler for a final drive unit, said oil cooler being disposed under said vehicle floor and being supported by said elevated portion of said rear floor panel, said rear seat cross member being disposed above a front end portion of said rear floor panel, said front floor panel having a rear end extension which extends rearwardly and upwardly with respect to said front floor panel from the joint between said front floor panel and said rear floor panel and which is directed toward an upper end of said oil cooler.
Claim 8
Dependent Claim
178 words
An oil cooler arrangement for a vehicle comprising: a rear seat; a vehicle floor having a rear elevated portion on which said rear seat is installed; an oil cooler for a final drive unit; and bracket means for installing said oil cooler on an underside of said rear elevated portion of said vehicle floor, said bracket means having a bracket and an air duct which cooperate to define a box-shaped section and house said oil cooler, said bracket being angled to have a first flat deflector wall extending forwardly and downwardly from said oil cooler and a second flat deflector wall extending forwardly and upwardly from a front end of said first flat deflector wall, said air duct having a bottom wall and a pair of side walls, said bottom wall extending forwardly from said oil cooler and slanting downwardly with an increasing slope as it extends forwards, each of said side walls having an upper edge the forward part of which is separated from said bracket and extends increasingly away from said bracket as it extends forwards.
Claim 9
Dependent Claim
178 words
An oil cooler arrangement for a vehicle comprising: a rear seat; a vehicle floor having a rear elevated portion on which said rear seat is installed; an oil cooler for a final drive unit; and bracket means for installing said oil cooler on an underside of said rear elevated portion of said vehicle floor, said bracket means having a bracket and an air duct which cooperate to define a box-shaped section and house said oil cooler, said bracket being angled to have a first flat deflector wall extending forwardly and downwardly from said oil cooler and a second flat deflector wall extending forwardly and upwardly from a front end of said first flat deflector wall, said air duct having a bottom wall and a pair of side walls, said bottom wall extending forwardly from said oil cooler and slanting downwardly with an increasing slope as it extends forwards, each of said side walls having an upper edge the forward part of which is separated from said bracket and extends increasingly away from said bracket as it extends forwards.
Claim 10
Dependent Claim
23 words
An arrangement as claimed in claim 5 wherein said bracket is secured at the front and rear end thereof to said vehicle floor.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-04-09 | 1993-10-09 | 1994-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-09 | 1997-10-09 | 1998-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-09 | 2001-10-09 | 2002-04-10 | $7700.00 | Window Closed / Lapsed |