US3362387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the automatic elimination of smoke and noxious gases of internal combustion engines
Assignee: HERMAN FREDERIK MARCUS NEUMANN
•
Filing: 1966-01-10
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Granted: 1968-01-09
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Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Neumann Ernestina
- 👤 Neumann Herman Frederik Marcus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:24
CPC Classifications
F; F01; F01N; F01N3/00; F02; F02D; F02D41/00; F02D41/02; F02D41/14; F02D41/1438; F02D41/1444; F02D41/1451; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN AN INTERNAL COMBUSTION ENGINE INCLUDING VARIABLE CAPACITY FUEL INJECTION MEANS AND A COMBUSTION PRODUCT EXHAUST SYSTEM, CONTROL MEANS MINIMIZING THE AMOUNT OF NON-OXIDIZED COMBUSTION PRODUCTS EXHAUSTED FROM SAID ENGINE COMPRISING SENSING MEANS GENERATING CONTROL SIGNAL IN RESPONSE TO THE PRESENCE OF NON-OXIDIZED COMBUSTION PRODUCTS IN SAID EXHAUST SYSTEM, AND MOTIVE MEANS RESPONSIVE TO SAID CONTROL SIGNAL AND INTERCONNECTED WITH SAID FUEL INJECTION MEANS MODULATING THE CAPACITY OF SAID INJECTION MEANS TO VARY THE AMOUNT OF FUEL INJECTED INTO SAID ENGINE TO MINIMIZE THE AMOUNT OF NON-OXIDIZED COMBUSTION PRODUCTS EXHAUSTED FROM SAID ENGINE.
Claim 2
Dependent Claim
93 words
IN AN INTERNAL COMBUSTION ENGINE INCLUDING VARIABLE CAPACITY FUEL INJECTION MEANS AND A COMBUSTION PRODUCT EXHAUST SYSTEM, CONTROL MEANS MINIMIZING THE AMOUNT OF NON-OXIDIZED COMBUSTION PRODUCTS EXHAUSTED FROM SAID ENGINE COMPRISING SENSING MEANS GENERATING CONTROL SIGNAL IN RESPONSE TO THE PRESENCE OF NON-OXIDIZED COMBUSTION PRODUCTS IN SAID EXHAUST SYSTEM, AND MOTIVE MEANS RESPONSIVE TO SAID CONTROL SIGNAL AND INTERCONNECTED WITH SAID FUEL INJECTION MEANS MODULATING THE CAPACITY OF SAID INJECTION MEANS TO VARY THE AMOUNT OF FUEL INJECTED INTO SAID ENGINE TO MINIMIZE THE AMOUNT OF NON-OXIDIZED COMBUSTION PRODUCTS EXHAUSTED FROM SAID ENGINE.
References Cited (Backward Citations)
US2669093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |