Patent US2507312A successfully refreshed from Google Patents.
Patent US3760783A successfully refreshed from Google Patents.
US3760783A
Expired / Lapsed
US
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Installation for flame starter devices
Assignee: Daimler Benz AG
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Filing: 1971-11-19
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Granted: 1973-09-25
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Expires: 1991-11-19
Abstract
Abstract An arrangement for a flame starter installation in aircompressing internal combustion engine, which includes an electric switch that permits the continued operation of the flame starter installation after the starting operation of the engine only when the engine rotational speed does not drop below a predetermined engine rotational speed.
Inventors
- 👤 G Frankle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:05
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02; F02N19/04; F02N19/06
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
111 words
An arrangement for a flame starter installation in an aircompressing internal combustion engine which is provided for the atomization and ignition of fuel, characterized in that the installation includes control circuit means for controlling the operation of the flame starter installation and for permitting continued operation of the flame starter installation after the starting of the internal combustion engine in accordance with at least one engine operating parameter, the control circuit means including engine sped responsive electric switch means for preventing the continued operation of the flame starter installation after the starting of the internal combustion engine in response to the engine rotational speed dropping below a predetermined minimum rotational speed.
Claim 2
Dependent Claim
111 words
An arrangement for a flame starter installation in an aircompressing internal combustion engine which is provided for the atomization and ignition of fuel, characterized in that the installation includes control circuit means for controlling the operation of the flame starter installation and for permitting continued operation of the flame starter installation after the starting of the internal combustion engine in accordance with at least one engine operating parameter, the control circuit means including engine sped responsive electric switch means for preventing the continued operation of the flame starter installation after the starting of the internal combustion engine in response to the engine rotational speed dropping below a predetermined minimum rotational speed.
Claim 3
Dependent Claim
25 words
An installation according to claim 1, characterized in that the switch means is arranged in parallel to a starter switch of the control circuit means.
Claim 4
Dependent Claim
28 words
An installation according to claim 2, characterized iN that the engine includes an injection pump with control means and the switch means is controllable by said control means.
Claim 5
Dependent Claim
16 words
An installation according to claim 3, characterized in that the control means includes a centrifugal governor.
Claim 6
Dependent Claim
46 words
An installation according to claim 4, characterized in that the control circuit means includes a thermostatic switch normally closed with a water temperature of the engine below a predetermined temperature and connected in series with the parallel arrangement of the starter switch and the switch means.
Claim 7
Dependent Claim
28 words
An installation according to claim 1, characterized in that the engine includes an injection pump with control means and the switch means is controllable by said control means.
Claim 8
Dependent Claim
16 words
An installation according to claim 6, characterized in that the control means includes a centrifugal governor.
Claim 9
Dependent Claim
46 words
An installation according to claim 2, characterized in that the control circuit means includes a thermostatic switch normally closed with a water temperature of the engine below a predetermined temperature and connected in series with the parallel arrangement of the starter switch and the switch means.
Claim 10
Dependent Claim
18 words
An installation according to claim 1, characterized in that the predetermined minimum rotational speed is about 300-400 rpm.
Claim 11
Dependent Claim
17 words
An installation according to claim 8, characterized in that the predetermined water temperature is about 50* C.
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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |