US3224423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve timing control system for supercharged automotive engine
Assignee: Individual
•
Filing: 1965-06-03
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Granted: 1965-12-21
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Expires: 1985-06-03
Abstract
No abstract record available.
Inventors
- 👤 John L Ostborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:12
CPC Classifications
F; F02; F02D; F02D13/00; F02D13/02; F02D13/0203; F02D13/0215; F02D13/0219; F01; F01L; F01L1/00; F01L1/34; F01L1/344; F01L1/352; F02D13/0261; F02D23/00; F02B; F02B3/00; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/1957; Y10T74/19575; Y10T74/1958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A SUPERCHARGED AUTOMOTIVE ENGINE HAVING EXHAUST AND INTAKE VALVES INCLUDING A CRANKSHAFT, AN EXHAUST VALVE ACTUATING CAM SHAFT, AN INTAKE VALVE ACTUATING CAM SHAFT, A GEAR TRAIN FORMING A DRIVING CONNECTION FROM SAID CRANKSHAFT TO SAID CAM SHAFTS FOR ROTATING SAID CAM SHAFTS IN UNISON WITH SAID CRANKSHAFT, MEANS ASSOCIATED WITH EACH CAM SHAFT MOUNTING ELEMENTS OF SAID GEAR TRAIN FOR RELATIVE ORBITAL MOTION TO EFFECT ROTATIVE ADJUSTMENT OF A RESPECTIVE CAM SHAFT RELATIVE TO SAID CRANKSHAFT, AND MEANS INTERCONNECTING SAID LAST NAMED MEANS EFFECTING ROTATIVE ADJUSTMENT OF SAID CAM SHAFTS IN RESPECTIVELY OPPOSITE DIRECTIONS WHEREBY TO ADVANCE THE PHASE RELATIONSHIP OF ONE THEREOF RELATIVE TO SAID CRANKSHAFT WHILE RETARDING THE OTHER.
Claim 2
Dependent Claim
112 words
A SUPERCHARGED AUTOMOTIVE ENGINE HAVING EXHAUST AND INTAKE VALVES INCLUDING A CRANKSHAFT, AN EXHAUST VALVE ACTUATING CAM SHAFT, AN INTAKE VALVE ACTUATING CAM SHAFT, A GEAR TRAIN FORMING A DRIVING CONNECTION FROM SAID CRANKSHAFT TO SAID CAM SHAFTS FOR ROTATING SAID CAM SHAFTS IN UNISON WITH SAID CRANKSHAFT, MEANS ASSOCIATED WITH EACH CAM SHAFT MOUNTING ELEMENTS OF SAID GEAR TRAIN FOR RELATIVE ORBITAL MOTION TO EFFECT ROTATIVE ADJUSTMENT OF A RESPECTIVE CAM SHAFT RELATIVE TO SAID CRANKSHAFT, AND MEANS INTERCONNECTING SAID LAST NAMED MEANS EFFECTING ROTATIVE ADJUSTMENT OF SAID CAM SHAFTS IN RESPECTIVELY OPPOSITE DIRECTIONS WHEREBY TO ADVANCE THE PHASE RELATIONSHIP OF ONE THEREOF RELATIVE TO SAID CRANKSHAFT WHILE RETARDING THE OTHER.
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |