US3659674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atomized oil lubricating device for bearings and/or journals of vertical shafts rotating at high speeds
Assignee: Individual
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Filing: 1969-12-16
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Granted: 1972-05-02
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Expires: 1989-12-16
Abstract
Abstract A vertical shaft rotatable at high speeds and provided with bearings and/or journals has an axial bore at its lower end immersable into lubricating oil in a tank. Openings in said shaft communicate the bore with a housing defined between the shaft and a tubular casing therefor. Oil sucked up said bore is atomized by passing through said openings. Atomized oil lubricates the journals and/or bearings and condensed oil flows back to the tank.
Inventors
- 👤 Luigi Ferrario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:25
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/36; F16N7/366; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/106; F16C33/1085; F16C33/30; F16C33/66; F16C33/6637; F16C33/6659; F16C33/6662; F16H; F16H57/00; F16H57/04; F16H57/042; F16H57/0427; F16H57/0458; F16H57/0467; F16H57/0469; F16N2260/00; F16N2260/02; F16N2260/04
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
211 words
In a device for lubricating with an atomized oil the support mountings of a vertical shaft rotatable at high speeds, an improvement comprising, in combination: a vertically disposed rotatable shaft; a lubricating oil tank located at the bottom of said shaft; a vertically disposed outer tubular casing secured adjacent its lower end to said oil tank; said shaft having an axial conduit means including a lower port immersable in oil within said tank for drawing oil upwardly through said conduit means upon rotation of said shaft; a cylindrical housing internally defined by said shaft and externally defined by said outer tubular casing; bearing means for said shaft; said bearing means being mounted on said casing and within said cylindrical housing; said shaft having a plurality of openings extending therethrough and providing communication between said conduit means and said cylindrical housing; and said tubular casing having a plurality of openings in its lower end to put said cylindrical housing in communication with said oil tank, wherein, upon rotation of said shaft, said oil flows through said conduit means from said lower port to said shaft openings, whereupon said oil is distributed within said housing for lubricating said bearing means and for subsequent return flow through said casing openings into said oil tank.
Claim 2
Dependent Claim
211 words
In a device for lubricating with an atomized oil the support mountings of a vertical shaft rotatable at high speeds, an improvement comprising, in combination: a vertically disposed rotatable shaft; a lubricating oil tank located at the bottom of said shaft; a vertically disposed outer tubular casing secured adjacent its lower end to said oil tank; said shaft having an axial conduit means including a lower port immersable in oil within said tank for drawing oil upwardly through said conduit means upon rotation of said shaft; a cylindrical housing internally defined by said shaft and externally defined by said outer tubular casing; bearing means for said shaft; said bearing means being mounted on said casing and within said cylindrical housing; said shaft having a plurality of openings extending therethrough and providing communication between said conduit means and said cylindrical housing; and said tubular casing having a plurality of openings in its lower end to put said cylindrical housing in communication with said oil tank, wherein, upon rotation of said shaft, said oil flows through said conduit means from said lower port to said shaft openings, whereupon said oil is distributed within said housing for lubricating said bearing means and for subsequent return flow through said casing openings into said oil tank.
Claim 3
Dependent Claim
25 words
A device according To claim 1, comprising a washer having atomizing fins or lugs keyed on said shaft just below said openings on said shaft.
Claim 4
Dependent Claim
113 words
A device according to claim 1, wherein said bearing means includes first and second shaft support means said first shaft support means being mounted on said tubular casing above said shaft opening, and said second shaft support means being mounted on said tubular casing below said casing openings, said casing openings being disposed in two rows which are angularly offset, and further comprising a splash guard washer disposed axially between said two rows of casing openings and having a set of holes aligned with the openings in the lower said row, said washer having a tubular portion and said shaft having a reduced diameter zone for receiving said tubular portion of the washer.
Claim 5
Dependent Claim
67 words
A device according to claim 3, wherein said first shaft support means includes a bearing having inner and outer rings, and comprising damping means connected between said first shaft support means and said casing for preventing said outer ring of said bearing from rotating, and splash guard and cover means for protecting said damping means, said splash guard and cover means being secured to the tubular casing.
Claim 6
Dependent Claim
40 words
A device according to claim 4, wherein said splash guard and cover means secured to the tubular casing is provided with two or more plugs for insertion into said damping means, thus preventing said damping means from rotating during operation.
Claim 7
Dependent Claim
22 words
A device according to claim 1, wherein said tank has ribs on its bottom for preventing oil within said tank from rotating.
Claim 8
Dependent Claim
54 words
A device according to claim 1, further comprising a bushing having an internal frusto-conical surface with the minor base at the bottom and immersable in oil in said oil tank, said bushing being fixed to said shaft and having the axis of said frustoconical surface disposed coaxially with the axis of said conduit means.
Claim 9
Dependent Claim
25 words
A device according to claim 1, wherein said oil tank is provided with an oil-level window or gauge and a plug for introducing said oil.
Claim 10
Dependent Claim
55 words
A device according to claim 1, further provided with a discharge tube for dusts, said discharge tube being disposed within said conduit means and having an enlargement at its upper end completely closing the conduit means internally of said shaft so as to avoid any introduction of dust or the like into said lubricating oil.
Claim 11
Dependent Claim
38 words
A device according to claim 1, wherein the device is provided with a spring about said outer tubular casing, and an annular platform also disposed about said tubular casing and resiliently connected to said casing by said spring.
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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |