Patent US3180616A successfully refreshed from Google Patents.
US3180616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration damped turbo machinery
Assignee: Carrier Corp
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Filing: 1964-01-08
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Granted: 1965-04-27
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Expires: 1984-01-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:00
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/22; F01D5/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
IN A VIBRATION DAMPED TURBO MACHINE HAVING A SHAFT, (1) A FIRST BLADE MEMBER HAVING A PAIR OF OPPOSED FACES AND AN APERTURE FORMED IN A LEADING REGION THEREOF SECURED TO SAID SHAFT; (2) A SECOND BLADE MEMBER HAVING A PAIR OF OPPOSED FACES AND AN APERTURE FORMED IN A TRAILING REGION THEREOF SECURED TO SAID SHAFT, SAID SECOND BLADE BEING SECURED IN SPACED ADJACENCY TO SAID FIRST BLADE ON SAID SHAFT OF SAID TURBO MACHINE; (3) A LASHING PIN EXTENDING LOOSELY THROUGH SAID APERTURES IN SAID FIRST AND SECOND BLADES, SAID LASHING PIN HAVING (A) FIRST HEAD MEANS SECURED TO SAID PIN ADJACENT THE FACE OF SAID ONE BLADE MOST REMOTE FROM SAID SECOND BLADE, AND SECOND HEAD MEANS SESECURED TO SAID PIN ADJACENT THE FACE OF SAID SECOND BLADE MOST REMOTE FROM SAID FIRST BLADE, SAID HEAD MEANS COMPRISING SHOULDERS LARGER THAN THE RESPECTIVE APERTURES IN THE BLADES THROUGH WHICH SAID LASHING PIN EXTENDS; AND (B) AT LEAST A PORTION OF SAID LASHING PIN EXTENDING INWARDLY FROM EACH OF SAID SHOULDERS WHICH IS A SMALLER SIZE THAN THE RESPECTIVE ADJACENT APERTURES THROUGH WHICH SAID PIN EXTENDS, SO THAT SAID BLADES ARE RESTRAINED FROM MOVING AWAY FROM EACH OTHER MORE THAN A DESIRE EXTENT BY SAID SHOULDERS AND MAY MOVE TOWARD EACH OTHER IN SLIDING, FRICTIONAL ENGAGEMENT WITH SAID PIN TO DAMP BLADE VIBRATIONS IN SAID TURBO MACHINE.
Claim 2
Dependent Claim
229 words
IN A VIBRATION DAMPED TURBO MACHINE HAVING A SHAFT, (1) A FIRST BLADE MEMBER HAVING A PAIR OF OPPOSED FACES AND AN APERTURE FORMED IN A LEADING REGION THEREOF SECURED TO SAID SHAFT; (2) A SECOND BLADE MEMBER HAVING A PAIR OF OPPOSED FACES AND AN APERTURE FORMED IN A TRAILING REGION THEREOF SECURED TO SAID SHAFT, SAID SECOND BLADE BEING SECURED IN SPACED ADJACENCY TO SAID FIRST BLADE ON SAID SHAFT OF SAID TURBO MACHINE; (3) A LASHING PIN EXTENDING LOOSELY THROUGH SAID APERTURES IN SAID FIRST AND SECOND BLADES, SAID LASHING PIN HAVING (A) FIRST HEAD MEANS SECURED TO SAID PIN ADJACENT THE FACE OF SAID ONE BLADE MOST REMOTE FROM SAID SECOND BLADE, AND SECOND HEAD MEANS SESECURED TO SAID PIN ADJACENT THE FACE OF SAID SECOND BLADE MOST REMOTE FROM SAID FIRST BLADE, SAID HEAD MEANS COMPRISING SHOULDERS LARGER THAN THE RESPECTIVE APERTURES IN THE BLADES THROUGH WHICH SAID LASHING PIN EXTENDS; AND (B) AT LEAST A PORTION OF SAID LASHING PIN EXTENDING INWARDLY FROM EACH OF SAID SHOULDERS WHICH IS A SMALLER SIZE THAN THE RESPECTIVE ADJACENT APERTURES THROUGH WHICH SAID PIN EXTENDS, SO THAT SAID BLADES ARE RESTRAINED FROM MOVING AWAY FROM EACH OTHER MORE THAN A DESIRE EXTENT BY SAID SHOULDERS AND MAY MOVE TOWARD EACH OTHER IN SLIDING, FRICTIONAL ENGAGEMENT WITH SAID PIN TO DAMP BLADE VIBRATIONS IN SAID TURBO MACHINE.
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |