Patent US3273419A successfully refreshed from Google Patents.
US3273419A
Expired / Lapsed
US
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Balancing weight construction
Assignee: BMW Triebwerkbau GmbH
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Filing: 1964-11-12
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Granted: 1966-09-20
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Franz G Kollmann
- 👤 Laussermair Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:40
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/32; F16F15/34; F01; F01D; F01D5/00; F01D5/02; F01D5/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN ARRANGEMENT FOR FASTENING BALANCING WEIGHTS ON ROTATING BODIES, ESPECIALLY ON ROTORS OF FLOW MACHINES ROTATING AT HIGH SPEEDS, WITHIN ANNULARLY SHAPED APERTURES OF SAID ROTATING BODIES ARRANGED IN THE END FACES THEREOF AND FORMING SIDEWALLS, SAID WEIGHTS COMPRISING ELASTIC STRUCTURAL PORTIONS, SAID ARRANGEMENT COMPRISING: MUTUALLY COOPERATING MEANS IN SAID WEIGHTS AND IN SAID APERTURES, SAID COOPERATING MEANS IN A RESPECTIVE ONE OF SAID WEIGHTS BEING CONSTITUTED BY SAID ELASTIC STRUCTURAL PORTIONS INCLUDING SPACED ABUTMENT SURFACES THEREOF, SAID COOPERATING MEANS IN RESPECTIVE ONE OF SAID APERTURES BEING CONSTITUTED BY SAID SIDEWALLS THEREOF, SAID ONE OF SAID APERTURES CORRESPONDING APPROXIMATELY IN WIDTH TO THE DISTANCE BETWEEN SAID SPACED ABUTMENT SURFACES, SAID RESPECTIVE ONE OF SAID WEIGHTS BY REASON OF SAID ELASTIC STRUCTURAL PORTIONS SPRINGILY EXPANDING AND FORCING SAID SPACED ABUTMENT SURFACES AGAINST SAID SIDEWALLS OF SAID RESPECTIVE ONE OF SAID APERTURES AND BEING TANGENTIALLY NON-DISPLACEABLY SECURED THEREIN BY THE RESULTING FRICTIONAL ENGAGEMENT THEREWITH.
Claim 2
Dependent Claim
152 words
AN ARRANGEMENT FOR FASTENING BALANCING WEIGHTS ON ROTATING BODIES, ESPECIALLY ON ROTORS OF FLOW MACHINES ROTATING AT HIGH SPEEDS, WITHIN ANNULARLY SHAPED APERTURES OF SAID ROTATING BODIES ARRANGED IN THE END FACES THEREOF AND FORMING SIDEWALLS, SAID WEIGHTS COMPRISING ELASTIC STRUCTURAL PORTIONS, SAID ARRANGEMENT COMPRISING: MUTUALLY COOPERATING MEANS IN SAID WEIGHTS AND IN SAID APERTURES, SAID COOPERATING MEANS IN A RESPECTIVE ONE OF SAID WEIGHTS BEING CONSTITUTED BY SAID ELASTIC STRUCTURAL PORTIONS INCLUDING SPACED ABUTMENT SURFACES THEREOF, SAID COOPERATING MEANS IN RESPECTIVE ONE OF SAID APERTURES BEING CONSTITUTED BY SAID SIDEWALLS THEREOF, SAID ONE OF SAID APERTURES CORRESPONDING APPROXIMATELY IN WIDTH TO THE DISTANCE BETWEEN SAID SPACED ABUTMENT SURFACES, SAID RESPECTIVE ONE OF SAID WEIGHTS BY REASON OF SAID ELASTIC STRUCTURAL PORTIONS SPRINGILY EXPANDING AND FORCING SAID SPACED ABUTMENT SURFACES AGAINST SAID SIDEWALLS OF SAID RESPECTIVE ONE OF SAID APERTURES AND BEING TANGENTIALLY NON-DISPLACEABLY SECURED THEREIN BY THE RESULTING FRICTIONAL ENGAGEMENT THEREWITH.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |