GB770689A - Electric spark ignition apparatus for prime movers - Google Patents
Electric spark ignition apparatus for prime moversInfo
- Publication number
- GB770689A GB770689A GB2903054A GB2903054A GB770689A GB 770689 A GB770689 A GB 770689A GB 2903054 A GB2903054 A GB 2903054A GB 2903054 A GB2903054 A GB 2903054A GB 770689 A GB770689 A GB 770689A
- Authority
- GB
- United Kingdom
- Prior art keywords
- inductance
- control gap
- contact
- main condenser
- metal
- 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
- F02P13/00—Sparking plugs structurally combined with other parts of internal-combustion engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Spark Plugs (AREA)
Abstract
770,689. Ignition apparatus LUCAS (INDUSTRIES), Ltd. J. Sent. 27, 1955 [Oct. 8, 1954], No. 29030/54. Class 7 (4). [Also in Group XL (a) ] In an electrical ignition apparatus having a main condenser mc, Fig. 3, to be intermittently charged from an energy source, not shown, an inductance h and a control gap cg in series with each other and the main condenser and an auxiliary condenser ac connected across the control gap and at least a part of the inductance, and a spark at a sparking plug sp being obtained by discharge of the main condenser through the control gap and inductance, and comprising the combination of a cylindrical outer metal shell a, Fig. 1, which serves as one of the main condenser plates a hollow body part c of electrical insulating material within the shell serving as the dielectric of the main condenser, a metal lining d on the part c serving as the other main condenser plate, a hollow core g, g' of insulating material in which is arranged the auxiliary condenser, the inductance wound around the core and the control gap, the electrodes p, q and r of which are carried by the core, the latter carries input and output terminals m, o respectively the output terminal being adapted for attachment to the outer end of the sparking plug central electrode. To one end of the insulator c is fixed a cap e that carries an input connection whilst the inductance h is insulated from the plate d by a nylon sleeve i; the auxiliary condenser comprises a ceramic disc j with a metallic coating deposited on its opposite faces against which latter abut contacts k, n respectively. The contact n is connected to the coaxial resilient metal terminal o whilst contact k is carried by the input terminal m in abutment with a radio interference suppressing resistance w which is joined to the connections f by a spring x and a metal strip y. The annular control gap electrodes p, q and r are arranged as two concentric annular gaps on the insulator g'; the electrode q is connected to one end of the inductance h via a metal sleeve s whilst the end of the inductance is joined to the contact n through a metal strip t. The control gap may be ventilated to atmosphere by a passage v in the cap e. In a modification, the contact n and sleeve o are separate and insulated from each, and one end of the inductor h is connected to the sleeve o by the strip t and an intermediate point of the inductance is joined to the contact n by a wire or another metal strip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2903054A GB770689A (en) | 1954-10-08 | 1954-10-08 | Electric spark ignition apparatus for prime movers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2903054A GB770689A (en) | 1954-10-08 | 1954-10-08 | Electric spark ignition apparatus for prime movers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB770689A true GB770689A (en) | 1957-03-20 |
Family
ID=10285113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2903054A Expired GB770689A (en) | 1954-10-08 | 1954-10-08 | Electric spark ignition apparatus for prime movers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB770689A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2267125A (en) * | 1992-05-13 | 1993-11-24 | Dawson Royalties Ltd | I.c.engine spark ignition circuit. |
-
1954
- 1954-10-08 GB GB2903054A patent/GB770689A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2267125A (en) * | 1992-05-13 | 1993-11-24 | Dawson Royalties Ltd | I.c.engine spark ignition circuit. |
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