Patent US3192913A successfully refreshed from Google Patents.
US3192913A
Expired / Lapsed
US
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Valve apparatus for internal combustion engines
Assignee: Ohlsson and Rice Inc
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Filing: 1964-04-13
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Granted: 1965-07-06
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Henry T M Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:14
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/10242; F02M35/10275; F01; F01L; F01L3/00; F01L3/20; F01L3/205; F02B; F02B25/00; F02B33/00; F02B75/00; F02B75/16; F02M35/1015; F02M35/1019; F16; F16K; F16K15/00; F16K15/14; F16K15/16; F02B75/02; F02B2075/022; F02B2075/025; F02B2700/00; F02B2700/03; F02B2700/034; F02M2700/00; F02M2700/33; F02M2700/331; F05; F05C; F05C2225/00; F05C2225/04; F05C2225/08; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7859; Y10T137/7861; Y10T137/7869; Y10T137/7879; Y10T137/7888; Y10T137/7891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A TWO-CYCLE INTERNAL COMBUSTION ENGINE HAVING A CYLINDER, A CRANKSHAFT, AND A CRANKCASE FOR SAID CRANKSHAFT ADAPTED TO RECEIVE A FUEL MIXTURE FOR COMPRESSION AND TRANSFER TO THE CYLINDER, A VALVE DEVICE CONTROLLING THE INDUCTION OF THE FUEL MIXTURE INTO THE CRANKCASE COMPRISING A VALVE BODY HAVING AN INLET ADAPTED TO COMMUNICATE WITH THE CRANKCASE, AND A VALVE ELEMENT CONSTRUCTED AND ARRANGED TO NORMALLY AND INHERENTLY TEND TO OCCUPY A POSITION OPENING SAID INLET IN THE ABSENCE OF A PRESSURE DIFFERENTIAL ACTING THEREON AND ADAPTED TO BE ENGAGED WITH SAID VALVE BODY TO CLOSE SAID INLET IN RESPONSE TO COMPRESSION OF THE FUEL MIXTURE IN THE CRANKCASE.
Claim 2
Dependent Claim
108 words
IN A TWO-CYCLE INTERNAL COMBUSTION ENGINE HAVING A CYLINDER, A CRANKSHAFT, AND A CRANKCASE FOR SAID CRANKSHAFT ADAPTED TO RECEIVE A FUEL MIXTURE FOR COMPRESSION AND TRANSFER TO THE CYLINDER, A VALVE DEVICE CONTROLLING THE INDUCTION OF THE FUEL MIXTURE INTO THE CRANKCASE COMPRISING A VALVE BODY HAVING AN INLET ADAPTED TO COMMUNICATE WITH THE CRANKCASE, AND A VALVE ELEMENT CONSTRUCTED AND ARRANGED TO NORMALLY AND INHERENTLY TEND TO OCCUPY A POSITION OPENING SAID INLET IN THE ABSENCE OF A PRESSURE DIFFERENTIAL ACTING THEREON AND ADAPTED TO BE ENGAGED WITH SAID VALVE BODY TO CLOSE SAID INLET IN RESPONSE TO COMPRESSION OF THE FUEL MIXTURE IN THE CRANKCASE.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |