Patent US3204623A successfully refreshed from Google Patents.
US3204623A
Expired / Lapsed
US
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Fuel viscosity control device
Assignee: Continental Aviation and Engineering Corp
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Filing: 1963-05-20
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Granted: 1965-09-07
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Walter F Isley
- 👤 Frank C Druzynski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:52
CPC Classifications
F; F02; F02D; F02D19/00; F02D19/06; F02D19/0663; F02D19/0673; F02D19/0678; F02D19/0626; F02D19/0634; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/0335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A MULTIFUEL ENGINE HAVING A FUEL SUPPLY MEANS, A FUEL CONTROL SYSTEM FOR REGULATING THE VOLUME OF FUEL TO THE ENGINE IN RESPONSE TO CHANGES IN THE VISCOSITY OF THE FUEL, SAID SYSTEM COMPRISING (A) MEANS ADAPTED FOR CONNECTION TO SAID FUEL SUPPLY MEANS AND OPERABLE TO REGULATE THE FUEL TO A PREDETERMINDED CONSTANT PRESSURE, AND (B) A VISCOSITY RESPONSIVE CONTROL DEVICE COMMUNICATING WITH SAID PRESSURE REGULATING MEANS AND OPERABLY CONNECTED WITH SAID FUEL SUPPLY MEANS TO VARY THE FUEL DELIVERED TO THE ENGINE BY SAID SUPPLY MEANS, SAID DEVICE COMPRISING A HOUSING HAVING A FIRST ORIFICE AND A SECOND ORIFICE CONNECTED IN SERIES AND HAVING DIFFERENT FLOW CHARACTERISTICS, SAID FIRST ORIFICE COMMUNICATING WITH SAID PRESSURE REGULATING MEANS, SAID HOUSING BEING FURTHER PROVIDED WITH A PRESSURE CHAMBER INTERMEDIATE SAID FIRST AND SECOND ORIFICES, A PISTON SLIDABLY CARRIED IN SAID PRESSURE CHAMBER AND MEANS OPERABLY CONNECTING SAID PISTON TO SAID FUEL SUPPLY MEANS.
Claim 2
Dependent Claim
153 words
IN A MULTIFUEL ENGINE HAVING A FUEL SUPPLY MEANS, A FUEL CONTROL SYSTEM FOR REGULATING THE VOLUME OF FUEL TO THE ENGINE IN RESPONSE TO CHANGES IN THE VISCOSITY OF THE FUEL, SAID SYSTEM COMPRISING (A) MEANS ADAPTED FOR CONNECTION TO SAID FUEL SUPPLY MEANS AND OPERABLE TO REGULATE THE FUEL TO A PREDETERMINDED CONSTANT PRESSURE, AND (B) A VISCOSITY RESPONSIVE CONTROL DEVICE COMMUNICATING WITH SAID PRESSURE REGULATING MEANS AND OPERABLY CONNECTED WITH SAID FUEL SUPPLY MEANS TO VARY THE FUEL DELIVERED TO THE ENGINE BY SAID SUPPLY MEANS, SAID DEVICE COMPRISING A HOUSING HAVING A FIRST ORIFICE AND A SECOND ORIFICE CONNECTED IN SERIES AND HAVING DIFFERENT FLOW CHARACTERISTICS, SAID FIRST ORIFICE COMMUNICATING WITH SAID PRESSURE REGULATING MEANS, SAID HOUSING BEING FURTHER PROVIDED WITH A PRESSURE CHAMBER INTERMEDIATE SAID FIRST AND SECOND ORIFICES, A PISTON SLIDABLY CARRIED IN SAID PRESSURE CHAMBER AND MEANS OPERABLY CONNECTING SAID PISTON TO SAID FUEL SUPPLY MEANS.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |