US3676023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pump for internal combustion engines
Assignee: Individual
•
Filing: 1970-01-06
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Granted: 1972-07-11
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Expires: 1990-01-06
Abstract
Abstract A FUEL PUMP FOR INTERNAL COMBUSTION ENGINES, COMPRISES A HOUSING ACCOMMODATING A LOW PRESSURE PUMP AND A HIGH PRESSURE PUMP, THE LATTER BEING CONNECTED TO AN AUTOMATIC FUEL INJECTION ADVANCE DEVICE INSTALLED WITHIN THE HOUSING. A FUEL FEEDER IS INSTALLED IN THE HOUSING FOR FEEDING FUEL BATCHWISE TO THE HIGH PRESSURE PUMP AND A SLIDE VALVE OF A CENTRIFUGALLY SENSITIVE ELEMENT IS ALSO MOUNTED IN THE HOUSING AND HYDRAULICALLY CONNECTS THE LOW PRESSURE PUMP TO THE FEEDER AND TO THE AUTOMATIC FUEL INJECTION ADVANCE DEVICE.
Inventors
- 👤 Petr Ivanovich Andrusenko
- 👤 Kint Evgenievich Dolganov
- 👤 Alexandr Ivanovich Kovalev
- 👤 Pavel Iosipovich Berezovsky
- 👤 Vladimir Ilich Dmitrenko
- 👤 Nikolai Pavlovich Shukshin
- 👤 Jury Feodosievich Gutarevich
- 👤 Vladimir Grigorievich Kislov
- 👤 Andrei Vasilievich Chevtaev
- 👤 Eduard Ivanovich Koshman
- 👤 Vladimir Vasilievich Filippov
- 👤 Mikhail Sergeevich Dolganov
- 👤 Dmitry Ivanovich Prosnjakov
- 👤 Alexandr Brokopievich Bakharev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:11
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/08; F02M41/14; F02M41/1405; F02M41/1411; F02M41/1416; F02M41/1427; F02M2041/1438; F02M2041/145; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1135
Claims Analysis
Total Claims: 0
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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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |