Patent US3208442A successfully refreshed from Google Patents.
US3208442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating system for two-stroke cycle internal combustion engines
Assignee: Ernst Heinkel AG
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Filing: 1964-02-12
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Granted: 1965-09-28
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Schnegg Hanspeter
- 👤 Dann Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:51
CPC Classifications
F; F01; F01M; F01M3/00; F01M3/02; F02; F02B; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
IN A TWO-STROKE CYCLE INTERNAL COMBUSTION ENGINE, IN COMBINATION, A SOURCE OF FUEL; A SOURCE OF LUBRICANT; CARBURETOR MEANS; A FUEL PUMP HAVING AN INLET AND AN OUTLET; FEED CONDUIT MEANS CONNECTINGL THE OUTLET OF SAID FUEL PUMP WITH SAID CARBURETOR MEANS; MIXING CONDUIT MEANS CONNECTED WITH THE INLET OF SAID FUEL PUMP; FIRST SUPPLY CONDUIT MEANS CONNECTING SAID SOURCE OF FUEL WITH SAID MIXING CONDUIT MEANS SO THAT, WHEN SAID FUEL PUMP IS IN OPERATION, A STREAM OF FUEL FLOWS THROUGH SAID CONDUIT MEANS TO SAID CARBURETOR MEANS; SECOND SUPPLY CONDUIT MEANS CONNECTING SAID SOURE OF LUBRICANT WITH SAID MIXING CONDUIT MEANS; AND AN ADJUSTABLE LUBRICANT CONVEYING PUMP PROVIDED IN SAID SECOND SUPPLY CONDUIT MEANS TO DELIVER CONTROLLED QUANTITIES OF LUBRICANT IS THROUGHLY ADING CONDUIT MEANS SO THAT SUCH LUBRICANT IS THROUGHLY ADMIXED TO FUEL AND THE RESULTING HOMOGENEOUS MIXTURE IS DELIVERED BY SAID FUEL PUMP THROUGH SAID FEED CONDUIT MEANS AND TO SAID CARBURETOR MEANS , THE ACTION OF SAID FUEL PUMP ON SAID MIXTURE RESULTING IN AN EVEN HIGHER DEGREE OF HOMOGENEITY OF SAID MIXTURE.
Claim 2
Dependent Claim
178 words
IN A TWO-STROKE CYCLE INTERNAL COMBUSTION ENGINE, IN COMBINATION, A SOURCE OF FUEL; A SOURCE OF LUBRICANT; CARBURETOR MEANS; A FUEL PUMP HAVING AN INLET AND AN OUTLET; FEED CONDUIT MEANS CONNECTINGL THE OUTLET OF SAID FUEL PUMP WITH SAID CARBURETOR MEANS; MIXING CONDUIT MEANS CONNECTED WITH THE INLET OF SAID FUEL PUMP; FIRST SUPPLY CONDUIT MEANS CONNECTING SAID SOURCE OF FUEL WITH SAID MIXING CONDUIT MEANS SO THAT, WHEN SAID FUEL PUMP IS IN OPERATION, A STREAM OF FUEL FLOWS THROUGH SAID CONDUIT MEANS TO SAID CARBURETOR MEANS; SECOND SUPPLY CONDUIT MEANS CONNECTING SAID SOURE OF LUBRICANT WITH SAID MIXING CONDUIT MEANS; AND AN ADJUSTABLE LUBRICANT CONVEYING PUMP PROVIDED IN SAID SECOND SUPPLY CONDUIT MEANS TO DELIVER CONTROLLED QUANTITIES OF LUBRICANT IS THROUGHLY ADING CONDUIT MEANS SO THAT SUCH LUBRICANT IS THROUGHLY ADMIXED TO FUEL AND THE RESULTING HOMOGENEOUS MIXTURE IS DELIVERED BY SAID FUEL PUMP THROUGH SAID FEED CONDUIT MEANS AND TO SAID CARBURETOR MEANS , THE ACTION OF SAID FUEL PUMP ON SAID MIXTURE RESULTING IN AN EVEN HIGHER DEGREE OF HOMOGENEITY OF SAID MIXTURE.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |