Patent US4626335A successfully refreshed from Google Patents.
Patent US3196847A successfully refreshed from Google Patents.
US3196847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pump for rotary combustion engines
Assignee: Curtiss Wright Corp
•
Filing: 1961-07-31
•
Granted: 1965-07-27
•
Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 John A Kimberley
- 👤 Robert H Penner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:10
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F02; F02B; F02B53/00; F02B53/10; F02M; F02M1/00; F02M49/00; F02M49/02; F02B2053/005; F02B75/00; F02B75/02; F02B2075/022; F02B2075/027; F02B75/12; F02B2075/125; F02B2730/00; F02B2730/01; F02B2730/018; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4388; F02M2700/439; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
275 words
A ROTARY COMBUSTION ENGINE HAVING A HOLLOW OUTER BODY AND IN ANNER BODY ROTATABLE RALATIVE TO THE OUTER BODY COOPERATING WITH THE OUTER BODY TO FORM A PLURALITY OF WORKING CHAMBERS THEREBETWEEN THAT ROTATE ABOUT THE AXIS OF THE OUTER BODY CYCLICALLY VARY IN VOLUME AS THE INNER BODY ROTATES RELATIVE TO THE OUTER BODY TO ALTERNATELY UNDERGO INTAKE AND EXPANSION WHEN THE VOLUME OF SAID CHAMBERS IS INCREASING, AND TO ALTERNATELY UNDERGO COMPRESSION AND EXHAUST WHEN THE VOLUME OF SAID CHAMBERS IS DECREASING, AND IGNITION OCCURRING SUBSTANTIALLY BETWEEN COMPRESSION AND EXPANSION; AIR INTAKE PASSAGE MEANS COMMUNICATING SUCCESSIVELY WITH EACH OF THE CHAMBERS DURING INTAKE; AND FUEL SUPPLY MEANS FOR SUPPLYING AN AMOUNT OF FUEL FOR THE COMBUSTIBLE MIXTURE IN ONE CCHAMBER IN ACCORDANCE WITH THE COMPRESSION PRESSURE IN THE PRECEDING CHAMBER COMPRISING PUMP MEANS CONTAINING RESILIENT MEANS, MEANS FOR DIRECTING FLUID UNDER PRESSURE COMMUNICATING BETWEEN SAID PUMP MEANS, AND SAID PPRECEDING CHAMBER AS IT UNDERGOES COMPRESSION, SAID PRECEDING CHAMBER CEASING TO BE IN COMMUNICATION WITH SAID FLUID DIRECTING MEANS BEFORE IGNITION OCCURS IN SAID PRECEDING CHAMBER, SAID FLUID UNDER PRESSURE FROM SAID DIRECTING MEANS BEING DIRECRTED TO OPERATE SAID PUMP MEANS AND ACTING AGAINST SAID FESILIENT MEANS TO DETERMINE THE STROKE AND HENCE THE OUTPUT OF SAID PUMP MEANS, AND FUEL PASSAGE MEANS TO TRANSMIT THE OUTPUT OF SAID PUMP MEANS TO SAID ONE CHAMBER, WHEREBY SAID FLUID UNDER PRESSURE IN INDICATIVE OF AND PROPORTIONAL TO THE MASS OF AIR IN SAID PRECEDING CHAMBER SUCH THAT THE QUANTITY OF FUEL SUPPLIED TO EACH CHAMBER DURING EACH CYCLE INCREASES AND DECREASES WITH INCREASE AND DECREASE IN THE MASS OF AIR SUPPLIED TO THE PRECEDING CHAMBER.
Claim 2
Dependent Claim
275 words
A ROTARY COMBUSTION ENGINE HAVING A HOLLOW OUTER BODY AND IN ANNER BODY ROTATABLE RALATIVE TO THE OUTER BODY COOPERATING WITH THE OUTER BODY TO FORM A PLURALITY OF WORKING CHAMBERS THEREBETWEEN THAT ROTATE ABOUT THE AXIS OF THE OUTER BODY CYCLICALLY VARY IN VOLUME AS THE INNER BODY ROTATES RELATIVE TO THE OUTER BODY TO ALTERNATELY UNDERGO INTAKE AND EXPANSION WHEN THE VOLUME OF SAID CHAMBERS IS INCREASING, AND TO ALTERNATELY UNDERGO COMPRESSION AND EXHAUST WHEN THE VOLUME OF SAID CHAMBERS IS DECREASING, AND IGNITION OCCURRING SUBSTANTIALLY BETWEEN COMPRESSION AND EXPANSION; AIR INTAKE PASSAGE MEANS COMMUNICATING SUCCESSIVELY WITH EACH OF THE CHAMBERS DURING INTAKE; AND FUEL SUPPLY MEANS FOR SUPPLYING AN AMOUNT OF FUEL FOR THE COMBUSTIBLE MIXTURE IN ONE CCHAMBER IN ACCORDANCE WITH THE COMPRESSION PRESSURE IN THE PRECEDING CHAMBER COMPRISING PUMP MEANS CONTAINING RESILIENT MEANS, MEANS FOR DIRECTING FLUID UNDER PRESSURE COMMUNICATING BETWEEN SAID PUMP MEANS, AND SAID PPRECEDING CHAMBER AS IT UNDERGOES COMPRESSION, SAID PRECEDING CHAMBER CEASING TO BE IN COMMUNICATION WITH SAID FLUID DIRECTING MEANS BEFORE IGNITION OCCURS IN SAID PRECEDING CHAMBER, SAID FLUID UNDER PRESSURE FROM SAID DIRECTING MEANS BEING DIRECRTED TO OPERATE SAID PUMP MEANS AND ACTING AGAINST SAID FESILIENT MEANS TO DETERMINE THE STROKE AND HENCE THE OUTPUT OF SAID PUMP MEANS, AND FUEL PASSAGE MEANS TO TRANSMIT THE OUTPUT OF SAID PUMP MEANS TO SAID ONE CHAMBER, WHEREBY SAID FLUID UNDER PRESSURE IN INDICATIVE OF AND PROPORTIONAL TO THE MASS OF AIR IN SAID PRECEDING CHAMBER SUCH THAT THE QUANTITY OF FUEL SUPPLIED TO EACH CHAMBER DURING EACH CYCLE INCREASES AND DECREASES WITH INCREASE AND DECREASE IN THE MASS OF AIR SUPPLIED TO THE PRECEDING CHAMBER.
References Cited (Backward Citations)
US1418548A
Cited
GB373443A
Cited
FR977530A
Cited
US2592284A
Cited
US2861422A
Cited
DE892697C
Cited
US2884919A
Cited
US2947290A
Cited
US2988065A
Cited
FR1204596A
Cited
US2993482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |