US3183901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compression-compensating means for poppet valves
Assignee: Individual
•
Filing: 1965-01-29
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Granted: 1965-05-18
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Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 Niel C Thuesen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:26
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/30; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32681; Y10T403/32704; Y10T403/32737
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN A POPPET VALVE MECHANISM HAVING A POPPET VALVE HAVING A STEM AND GUIDED TO MOVE BETWEEN OPEN AND CLOSED POSITION AND A CAGE CONTROLLED BY A SHAFT HAVING RECIPROCAL CAMS THEREON TO RECIPROCATE SAID CAGE, COMPRESSION-COMPENSATING MEANS INTERCONNECTING THE VALVE AND CAGE FOR RECIPROCATING SAID VALVE BETWEEN OPEN AND CLOSED POSITIONS AND ALLOWING COMPLETION OF THE CLOSING RECIPROCATIVE MOVEMENT OF THE CAGE AFTER THE VALVE HAS CLOSED, SAID COMPRESSION-COMPENSATING MEANS COMPRISING: (A) A RING MEMBER HAVING A CENTRAL HOLE AND SUPPORTED BY THE CAGE AND MOVABLE THEREBY WHEN THE CAGE IS MOVING IN A VALVE-CLOSING DIRECTION, (B) A SPRING DISC PROVIDED WITH FLEXIBLE FINGERS AFFIXED TO SAID MEMBER WITH THE FINGERS EXTENDING RADIALLY TOWARD A CENTRAL HOLE IN THE DISC, (C) A BEARING MEMBER ADJUSTABLY CONNECTED TO THE END OF THE STEM AND DISPOSED IN ENGAGEMENT WITH THE FINGERS OF THE DISC ON THE SIDE OF THE DISC OPPOSITE TO THE SIDE THEREOF TO WHICH THE RING MEMBER IS AFFIXED,
Claim 2
Dependent Claim
161 words
IN A POPPET VALVE MECHANISM HAVING A POPPET VALVE HAVING A STEM AND GUIDED TO MOVE BETWEEN OPEN AND CLOSED POSITION AND A CAGE CONTROLLED BY A SHAFT HAVING RECIPROCAL CAMS THEREON TO RECIPROCATE SAID CAGE, COMPRESSION-COMPENSATING MEANS INTERCONNECTING THE VALVE AND CAGE FOR RECIPROCATING SAID VALVE BETWEEN OPEN AND CLOSED POSITIONS AND ALLOWING COMPLETION OF THE CLOSING RECIPROCATIVE MOVEMENT OF THE CAGE AFTER THE VALVE HAS CLOSED, SAID COMPRESSION-COMPENSATING MEANS COMPRISING: (A) A RING MEMBER HAVING A CENTRAL HOLE AND SUPPORTED BY THE CAGE AND MOVABLE THEREBY WHEN THE CAGE IS MOVING IN A VALVE-CLOSING DIRECTION, (B) A SPRING DISC PROVIDED WITH FLEXIBLE FINGERS AFFIXED TO SAID MEMBER WITH THE FINGERS EXTENDING RADIALLY TOWARD A CENTRAL HOLE IN THE DISC, (C) A BEARING MEMBER ADJUSTABLY CONNECTED TO THE END OF THE STEM AND DISPOSED IN ENGAGEMENT WITH THE FINGERS OF THE DISC ON THE SIDE OF THE DISC OPPOSITE TO THE SIDE THEREOF TO WHICH THE RING MEMBER IS AFFIXED,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |