US3580233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for mixing combustible components recovered from exhaust gases with fuel charge of carburetor
Assignee: Individual
•
Filing: 1969-07-25
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Granted: 1971-05-25
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Expires: 1989-07-25
Abstract
Abstract A device for mixing combustible components recovered from the exhaust gases of an internal combustion engine with the fuel charge of a carburetor, the device being connected to the carburetor and the intake manifold, the recovered combustible components and disposed above the fuel charge being thoroughly intermixed before they reach the manifold. This device is used in conjunction with the apparatus for utilizing exhaust gases of an internal combustion engine, muffler and spark arrestor shown in my U.S. Pat. No. 3,435,810.
Inventors
- 👤 Ewald A Busse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:10
CPC Classifications
F; F01; F01N; F01N3/00; F02; F02M; F02M26/00; F02M26/13; F02M26/14; F02M26/15; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/28; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
The combination and device as set forth in claim 1; g. and in which a spacer is inserted between the upper and lower plates and defining recessed segments of circles forming borders around the blade portions of the upper openings, the spacer further defining an open throat leading from the tube slot to the under faces of the curved baffles and through which the recovered combustible components of the exhaust gases flow to the lower openings.
Claim 2
Dependent Claim
50 words
The combination and device as set forth in claim 1; g. and in which the upper and lower plates are formed integral with an intermediate portion of material, the latter being rolled into substantially tubular form to provide the tube, but leaving a space between the plate defining the slot.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |