US3614384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor compressor unit with reduced noise transmission
Assignee: Westinghouse Electric Corp
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Filing: 1970-02-16
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Granted: 1971-10-19
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Expires: 1990-02-16
Abstract
Abstract In accordance with the principles of the invention, a compressor is provided in a hermetically sealed enclosure with the crankshaft of the compressor being permitted to extend downwardly into the area where lubricating oil is contained within the hermetically sealed enclosure. Mounted on the crankshaft, below the rotor of the electric motor driving it but above its thrust and journal bearing is a stirring member. The stirring member comprises a flat, annular disc which is welded to a spider member so that the annular disc is disposed in an angle relative to the axial length of the crankshaft. Because of the angular offset of the annular disc and its disposition in the oil in the lower part of the hermetically sealed enclosure, rotation of the crankshaft occasions stirring of the oil thereby producing bubbles in the oil body. This lessens the sound transmission quantities of the oil so that a portion of the noise due to the rotation of the electric motor and the operation of the compressor is attenuated and not transmitted outwardly of the hermetically sealed enclosure.
Inventors
- 👤 Regis D Heitchue Sr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:12
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/0027; F04B39/0077; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
153 words
In a refrigeration apparatus; (a) a gas-containing shell, (b) a motor compressor unit mounted within said shell and in spaced relationship thereto, (c) a body of oil within said shell, (d) said motor and compressor unit including a shaft rotatable about a vertical axis, (e) the lower end of said shaft being piloted in a bearing means located below the surface of said body of oil, (f) a stirring means mounted on said shaft disposed in said body of oil, (g) said stirring means comprising a spider member fixed to rotate with said shaft and (h) said stirring means including a disc member angularly disposed relative to the horizontal and fixed to said spider member at its bottom to rotate therewith in said body of oil thereby causing agitation of the oil to produce foaming during its rotation and lessening the transmission of sound through the body of oil to the gas-containing shell.
Claim 2
Dependent Claim
153 words
In a refrigeration apparatus; (a) a gas-containing shell, (b) a motor compressor unit mounted within said shell and in spaced relationship thereto, (c) a body of oil within said shell, (d) said motor and compressor unit including a shaft rotatable about a vertical axis, (e) the lower end of said shaft being piloted in a bearing means located below the surface of said body of oil, (f) a stirring means mounted on said shaft disposed in said body of oil, (g) said stirring means comprising a spider member fixed to rotate with said shaft and (h) said stirring means including a disc member angularly disposed relative to the horizontal and fixed to said spider member at its bottom to rotate therewith in said body of oil thereby causing agitation of the oil to produce foaming during its rotation and lessening the transmission of sound through the body of oil to the gas-containing shell.
Claim 3
Dependent Claim
109 words
In a refrigerator apparatus; (a) a gas-containing shell, (b) a motor compressor unit mounted within said shell, (c) a body of oil within said shell, (d) a shaft mounted relative to said motor compressor, (e) a stirring means mounted on said shaft and disposed in said body of oil, (f) said stirring means including a thin member having a pair of opposed uniplanar surfaces immersed in said body of oil and disposed with said uniplanar surfaces angularly related relative to the horizontal whereby rotation of said thin member within said body of oil agitates said oil causing foaming to reduce the transmission of sound outwardly of said gas-containing shell.
Claim 4
Dependent Claim
109 words
In a refrigerator apparatus; (a) a gas-containing shell, (b) a motor compressor unit mounted within said shell, (c) a body of oil within said shell, (d) a shaft mounted relative to said motor compressor, (e) a stirring means mounted on said shaft and disposed in said body of oil, (f) said stirring means including a thin member having a pair of opposed uniplanar surfaces immersed in said body of oil and disposed with said uniplanar surfaces angularly related relative to the horizontal whereby rotation of said thin member within said body of oil agitates said oil causing foaming to reduce the transmission of sound outwardly of said gas-containing shell.
Claim 5
Dependent Claim
16 words
The combination set out in claim 2 wherein; said thin member comprises a flat, annular disk.
Claim 6
Dependent Claim
141 words
In a refrigeration apparatus; (a) a gas-containing shell, (b) a motor compressor unit mounted within said shell, (c) a body of oil within said shell, (d) a shaft mounted relative to said motor compressor, (e) a stirring means mounted on said shaft and diSposed in said body of oil, (f) said stirring means including a uniplanar member disposed angularly relative to the horizontal whereby rotation of said uniplanar member within said body of oil agitates said oil causing foaming to reduce the transmission of sound outwardly of said gas-containing shell, (g) said uniplanar member comprising a flat, annular disk, (h) said flat, annular disk including an outer diameter, (i) said motor compressor unit including a stator, (j) said stator including an internal diameter, and (k) said outer diameter of said flat, annular disk smaller than said internal diameter of said stator.
Claim 7
Dependent Claim
141 words
In a refrigeration apparatus; (a) a gas-containing shell, (b) a motor compressor unit mounted within said shell, (c) a body of oil within said shell, (d) a shaft mounted relative to said motor compressor, (e) a stirring means mounted on said shaft and diSposed in said body of oil, (f) said stirring means including a uniplanar member disposed angularly relative to the horizontal whereby rotation of said uniplanar member within said body of oil agitates said oil causing foaming to reduce the transmission of sound outwardly of said gas-containing shell, (g) said uniplanar member comprising a flat, annular disk, (h) said flat, annular disk including an outer diameter, (i) said motor compressor unit including a stator, (j) said stator including an internal diameter, and (k) said outer diameter of said flat, annular disk smaller than said internal diameter of said stator.
Claim 8
Dependent Claim
73 words
The combination set out in claim 4 wherein; (a) said stirring means includes a spider member, (b) said spider member is comprised of (1) an enlarged central portion, (2) a pair of downwardly disposed arms attached to said central portion, (3) a pair of bent end portion attached to said arm portions, (c) said bent end portions forming a uniplanar surface and (d) said flat annular disk connected to said bent end portions.
Claim 9
Dependent Claim
17 words
The combination set out in claim 5 wherein; said spider member is press fit to said shaft.
References Cited (Backward Citations)
US3155312A
Cited
US3147914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-18 | 1975-04-19 | 1975-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-18 | 1979-04-19 | 1979-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-18 | 1983-04-19 | 1983-10-19 | $7700.00 | Window Closed / Lapsed |