Patent US3369563A successfully refreshed from Google Patents.
US3369563A
Expired / Lapsed
US
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Plate valve having a damper plate
Assignee: Hoerbiger Ventilwerke GmbH and Co KG
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Filing: 1965-10-19
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Granted: 1968-02-20
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Deminger Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:41
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/08; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/785
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A PLATE VALVE COMPRISING A VALVE SEAT AND A VALVE GUARD LOCATED IN SPACED RELATION TO THE VALVE SEAT ON THE VALVE SEAT AND THE VALVE GUARD HAVING THROUGH FLOW OPENINGS THEREIN, A VALVE PLATE ARRANGED IN THE INTERSTICE BETWEEN THE VALVE SEAT AND THE VALVE GUARD, AND A DAMPER PLATE PROVIDED BETWEEN THE VALVE PLATE AND THE VALVE GUARD AND DISPLACEABLE TOWARDS THE VALVE GUARD, BOTH PLATES BEING SLIDINGLY GUIDED ON A STEPPED-DOWN GUIDE SURFACE, THE SHOULDER OF SAME REPRESENTING AN ABUTMENT FOR THE DAMPER PLATE AND LIMITING THE STROKE MOTION OF THE DAMPER PLATE IN THE DIRECTION OF THE VALVE SEAT, THE DAMPER PLATE PRESENTING A RECESS IN THE AREA OF ITS CONTACT WITH THE SHOULDER OF THE GUIDE SURFACE, SO THAT THE DAMPER PLATE WILL PROTRUDE WITH ITS RIM LOCATED ABOVE THE VALVE PLATE FORM THE SAID SHOULDER WHEN RESTING ON THE SHOULDER.
Claim 2
Dependent Claim
146 words
A PLATE VALVE COMPRISING A VALVE SEAT AND A VALVE GUARD LOCATED IN SPACED RELATION TO THE VALVE SEAT ON THE VALVE SEAT AND THE VALVE GUARD HAVING THROUGH FLOW OPENINGS THEREIN, A VALVE PLATE ARRANGED IN THE INTERSTICE BETWEEN THE VALVE SEAT AND THE VALVE GUARD, AND A DAMPER PLATE PROVIDED BETWEEN THE VALVE PLATE AND THE VALVE GUARD AND DISPLACEABLE TOWARDS THE VALVE GUARD, BOTH PLATES BEING SLIDINGLY GUIDED ON A STEPPED-DOWN GUIDE SURFACE, THE SHOULDER OF SAME REPRESENTING AN ABUTMENT FOR THE DAMPER PLATE AND LIMITING THE STROKE MOTION OF THE DAMPER PLATE IN THE DIRECTION OF THE VALVE SEAT, THE DAMPER PLATE PRESENTING A RECESS IN THE AREA OF ITS CONTACT WITH THE SHOULDER OF THE GUIDE SURFACE, SO THAT THE DAMPER PLATE WILL PROTRUDE WITH ITS RIM LOCATED ABOVE THE VALVE PLATE FORM THE SAID SHOULDER WHEN RESTING ON THE SHOULDER.
References Cited (Backward Citations)
US2870783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |