US3098472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve control mechanism for internal combustion engine
Assignee: Dr Ing HCF Porsche AG
•
Filing: 1960-10-24
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Granted: 1963-07-23
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Hans H Hoenick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:14
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/30; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A POSITIVE ACTION VALVE CONTROL MECHANISUM FOR HIGH SPEED INTERNAL COMBUSTION ENGINES IN WHICH THE MOVEMENTS OF THE VALVE IS EFFECTED BY MEANS OF CAM FLLLOWERS, COMPRISING VALVE MEANS, MEANS FOR PRODUCING THE OPENING MOVEMENT OF SAID VALVE MEANS INCLUDING CAM MEANS AND DRAG LEVER MEANS OPERATIVELY CONNECTED BETWEEN SAID CAM MEANS AND SAID VALVE MEANS, AND SOLID MEANS FOR POSITIVELY AND UNYIELDINGLY EFFECTING THE ENTIRE CLOSURE MOVEMENT OF SAID VALVE MEANS INCLUDING TWO-ARMED LEVER MEANS LOCATED ON BOTH SIDES OF SAID DRAG LEVER MEANS, SAID TWO-ARMED LEVER MEANS ACTING ON SAID VALVE MEANS, AND CAM DISK MEANS MOUNTED COAXIALLY WITH SAID CAM MEANS AND COOPERATING WITH SAID TWO-ARMED LEVER MEANS.
Claim 2
Dependent Claim
111 words
A POSITIVE ACTION VALVE CONTROL MECHANISUM FOR HIGH SPEED INTERNAL COMBUSTION ENGINES IN WHICH THE MOVEMENTS OF THE VALVE IS EFFECTED BY MEANS OF CAM FLLLOWERS, COMPRISING VALVE MEANS, MEANS FOR PRODUCING THE OPENING MOVEMENT OF SAID VALVE MEANS INCLUDING CAM MEANS AND DRAG LEVER MEANS OPERATIVELY CONNECTED BETWEEN SAID CAM MEANS AND SAID VALVE MEANS, AND SOLID MEANS FOR POSITIVELY AND UNYIELDINGLY EFFECTING THE ENTIRE CLOSURE MOVEMENT OF SAID VALVE MEANS INCLUDING TWO-ARMED LEVER MEANS LOCATED ON BOTH SIDES OF SAID DRAG LEVER MEANS, SAID TWO-ARMED LEVER MEANS ACTING ON SAID VALVE MEANS, AND CAM DISK MEANS MOUNTED COAXIALLY WITH SAID CAM MEANS AND COOPERATING WITH SAID TWO-ARMED LEVER MEANS.
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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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |