US3957274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing arrangement for a machine with a cover insulated against structure-borne sound
Assignee: Siemens AG
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Filing: 1975-06-12
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Granted: 1976-05-18
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Expires: 1995-06-12
Abstract
Abstract The invention is directed to a sealing arrangement for a machine with a cover having a shaft lead-through for accommodating the shaft, the cover being installed so as to be insulated against structure-borne sound. The machine is equipped with a bearing located outside of the cover and bearing has an end-face facing the cover. The sealing arrangement provides a seal between the bearing and cover and includes two seals which are mounted at the bearing end-face facing the cover so as to be in sealing contact with the shaft. The seals are spaced from each other and located on a ring-shaped part. An annular member is arranged on this ring-shaped part so as to be axially movable and has a flange whose end-face covers the shaft lead-through of the cover and rests in an elastic seal-tight manner against the end-face of the cover.
Inventors
- 👤 Karl Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:48
CPC Classifications
F; F16; F16J; F16J15/00; F16C; F16C33/00; F16C33/72; G; G10; G10K; G10K11/00; G10K11/16; H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1672; H02K5/24
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
168 words
In a machine such as an electrical machine or the like equipped with a shaft defining a shaft axis and with a cover having an end-face with a shaft lead-through accommodating the shaft, the cover being installed so as to be insulated against structure-borne sound, the machine further being equipped with a bearing located outside of the cover, the bearing having an end-face facing toward the end-face of the cover, a sealing arrangement comprising: two seals spaced one from the other to define a space therebetween; mounting means for mounting said seals at said end-face of the bearing so as to be in sealing contact with the shaft; bore means for connectng said space to the ambient; and, an annular member mounted on said mounting means so as to be displaceable in the direction of the shaft axis, said annular member having a flange defining an end-face facing the cover, said end-face covering the shaft lead-through and engaging said end-face of the cover in an elastic seal-tight manner.
Claim 2
Dependent Claim
168 words
In a machine such as an electrical machine or the like equipped with a shaft defining a shaft axis and with a cover having an end-face with a shaft lead-through accommodating the shaft, the cover being installed so as to be insulated against structure-borne sound, the machine further being equipped with a bearing located outside of the cover, the bearing having an end-face facing toward the end-face of the cover, a sealing arrangement comprising: two seals spaced one from the other to define a space therebetween; mounting means for mounting said seals at said end-face of the bearing so as to be in sealing contact with the shaft; bore means for connectng said space to the ambient; and, an annular member mounted on said mounting means so as to be displaceable in the direction of the shaft axis, said annular member having a flange defining an end-face facing the cover, said end-face covering the shaft lead-through and engaging said end-face of the cover in an elastic seal-tight manner.
Claim 3
Dependent Claim
18 words
The sealing arrangement of claim 1, said mounting means being an annular body securely mounted to the bearing.
Claim 4
Dependent Claim
24 words
The sealing arrangement of claim 2, said bore means being a bore formed in said annular body and located at the lowest location thereof.
Claim 5
Dependent Claim
19 words
The sealing arrangement of claim 2, said annular member and said annular body each being made of two parts.
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) | 1979-05-18 | 1979-11-17 | 1980-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-18 | 1983-11-17 | 1984-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-18 | 1987-11-17 | 1988-05-18 | $7700.00 | Window Closed / Lapsed |