GB1492751A - Engine-ignition systems - Google Patents
Engine-ignition systemsInfo
- Publication number
- GB1492751A GB1492751A GB487674A GB487674A GB1492751A GB 1492751 A GB1492751 A GB 1492751A GB 487674 A GB487674 A GB 487674A GB 487674 A GB487674 A GB 487674A GB 1492751 A GB1492751 A GB 1492751A
- Authority
- GB
- United Kingdom
- Prior art keywords
- igniter
- engine
- grounded
- cable
- ignition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
- F02P15/001—Ignition installations adapted to specific engine types
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
1492751 Ignition systems SMITHS INDUSTRIES Ltd 1 May 1975 [1 Feb 1974] 04876/74 Heading F1B An ignition system includes an ignition circuit for supplying electrical energy to discharge between electrodes of an igniter 3 that is adapted to be mounted on an engine 18 with one of the electrodes grounded thereto and the circuit is electrically insulated from the engine such as to be grounded thereto at the igniter alone. The ignition circuit may be coupled to the igniter by means of a screened electrical cable 2 and the screening 11 of the cable may be grounded to the engine at the igniter alone. The screening of the cable may be both electrostatic and electromagnetic. Screens (not shown) of material having a relatively high electrical conductivity may be used to partition an ignition unit into three regions. The igniter may have three electrodes, the additional electrode providing a triggering impulse to initiate discharge across a main electrode gap. In Fig. 2 (not shown) the housing 5' need not be connected with the electromagnetic screening of the cable but may be grounded separately to a part of the engine. An igniter of air-gap type may be employed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB487674A GB1492751A (en) | 1975-05-01 | 1975-05-01 | Engine-ignition systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB487674A GB1492751A (en) | 1975-05-01 | 1975-05-01 | Engine-ignition systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1492751A true GB1492751A (en) | 1977-11-23 |
Family
ID=9785496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB487674A Expired GB1492751A (en) | 1975-05-01 | 1975-05-01 | Engine-ignition systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1492751A (en) |
-
1975
- 1975-05-01 GB GB487674A patent/GB1492751A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |