US4338189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil reconditioning device
Assignee: Individual
•
Filing: 1981-03-23
•
Granted: 1982-07-06
•
Expires: 2001-03-23
Abstract
Abstract In an oil reconditioning device including a housing, a contaminated oil inlet, a filter chamber in the housing, and an upper chamber in the housing where the oil from the filter chamber drains into said outlet; the improvement which comprises a lower oil receiving chamber in the housing a plurality of spaced conduits connecting said upper chamber with said lower oil receiving chamber and an outlet in said oil receiving chamber for delivering purified oil therefrom. The oil reconditioning device of this invention eliminates problems of overflow and of engine blow by when the device is tilted at steep angles encountered in use.
Inventors
- 👤 Lester L. Johnson, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:08
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/18; B01D35/185
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
154 words
In an oil reconditioning device including a housing, an inlet at the lower end of the housing leading into a filter chamber in the central portion of and extending across the internal dimension of said housing for removing solid contaminants, an upper chamber extending across the internal dimension of said housing for receiving oil from said filter chamber; the improvement which comprises a purified oil receiving chamber extending across the internal dimension of said housing located below said filter chamber, a plurality of spaced conduits about said housing communicating between said upper chamber and said purified oil receiving chamber and an outlet in said purified oil receiving chamber for delivering purified oil therefrom, each of said conduits being sufficiently large in cross sectional area to conduct all of the oil flowing from said upper chamber to said purified oil receiving chamber without reducing the overall flow rate of the oil passing through said device.
Claim 2
Dependent Claim
154 words
In an oil reconditioning device including a housing, an inlet at the lower end of the housing leading into a filter chamber in the central portion of and extending across the internal dimension of said housing for removing solid contaminants, an upper chamber extending across the internal dimension of said housing for receiving oil from said filter chamber; the improvement which comprises a purified oil receiving chamber extending across the internal dimension of said housing located below said filter chamber, a plurality of spaced conduits about said housing communicating between said upper chamber and said purified oil receiving chamber and an outlet in said purified oil receiving chamber for delivering purified oil therefrom, each of said conduits being sufficiently large in cross sectional area to conduct all of the oil flowing from said upper chamber to said purified oil receiving chamber without reducing the overall flow rate of the oil passing through said device.
Claim 3
Dependent Claim
26 words
The device of claim 1 wherein said conduits extend substantially the entire length of said housing and are positioned on the outside surface of said housing.
Claim 4
Dependent Claim
29 words
The device of claim 2 wherein said conduits are tubular elements integral with the wall of said housing and lying entirely outside of the outer surface of said housing.
Claim 5
Dependent Claim
21 words
The device of claim 3 wherein said outer surface of said housing defines a portion of each of said tubular elements.
Claim 6
Dependent Claim
35 words
The device of claim 1 wherein said inlet comprises a conduit extending from the lower outside surface of said housing through said purified oil receiving chamber to the lower inside surface of said filter chamber.
Claim 7
Dependent Claim
40 words
The device of claim 1 wherein said spaced conduits and said purified oil receiving chamber are integral with said housing, said conduits being located exteriorly of said housing and said housing defining a portion of each of said spaced conduits.
Claim 8
Dependent Claim
20 words
The device of claim 1 wherein said housing is generally cylindrical and said conduits have a generally rectangular cross section.
Claim 9
Dependent Claim
208 words
In an oil reconditioning device including a housing, an inlet at the lower end of the housing leading into a filter chamber in the central portion of and extending across the internal dimension of said housing for removing solid contaminants, and an upper chamber extending across the internal dimension of said housing for receiving oil from said filter chamber and cascading the oil over tiers on the outside heated surface of a hollow, convex frustoconical element where liquid contaminants in said oil are vaporized and vented to the atmosphere through a vent in said device; the improvement which comprises a purified oil receiving chamber extending across the internal dimension of said housing located below said filter chamber, a plurality of spaced conduits about said housing communicating between said upper chamber and said purified oil receiving chamber, and an outlet in said purified oil receiving chamber for delivering purified oil therefrom, each of said conduits being sufficiently large in cross sectional area to conduct all of the oil flowing from said upper chamber to said purified oil receiving chamber without reducing the overall flow rate of the oil passing through said device thereby to inhibit oil buildup in said upper chamber to minimize oil leakage out of said vent.
Claim 10
Dependent Claim
208 words
In an oil reconditioning device including a housing, an inlet at the lower end of the housing leading into a filter chamber in the central portion of and extending across the internal dimension of said housing for removing solid contaminants, and an upper chamber extending across the internal dimension of said housing for receiving oil from said filter chamber and cascading the oil over tiers on the outside heated surface of a hollow, convex frustoconical element where liquid contaminants in said oil are vaporized and vented to the atmosphere through a vent in said device; the improvement which comprises a purified oil receiving chamber extending across the internal dimension of said housing located below said filter chamber, a plurality of spaced conduits about said housing communicating between said upper chamber and said purified oil receiving chamber, and an outlet in said purified oil receiving chamber for delivering purified oil therefrom, each of said conduits being sufficiently large in cross sectional area to conduct all of the oil flowing from said upper chamber to said purified oil receiving chamber without reducing the overall flow rate of the oil passing through said device thereby to inhibit oil buildup in said upper chamber to minimize oil leakage out of said vent.
Claim 11
Dependent Claim
26 words
The device of claim 8 wherein said conduits extend substantially the entire length of said housing and are positioned on the outside surface of said housing.
Claim 12
Dependent Claim
29 words
The device of claim 9 wherein said conduits are tubular elements integral with the wall of said housing and lying entirely outside of the outer surface of said housing.
Claim 13
Dependent Claim
21 words
The device of claim 10 wherein said outer surface of said housing defines a portion of each of said tubular elements.
Claim 14
Dependent Claim
35 words
The device of claim 8 wherein said inlet comprises a conduit extending from the lower outside surface of said housing through said purified oil receiving chamber to the lower inside surface of said filter chamber.
Claim 15
Dependent Claim
20 words
The device of claim 8 wherein said housing is generally cylindrical and said conduits have a generally rectangular cross section.
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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) | 1985-07-05 | 1986-01-04 | 1986-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-05 | 1990-01-04 | 1990-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-05 | 1994-01-04 | 1994-07-06 | $7700.00 | Window Closed / Lapsed |