US3795236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition distributor
Assignee: ZF International UK Ltd
•
Filing: 1973-01-15
•
Granted: 1974-03-05
•
Expires: 1993-01-15
Abstract
Abstract An ignition distributor for an internal combustion engine spark ignition system includes a hollow casing closed at one end by a detachable insulating cap. A rotatable shaft is supported by the casing and carries a rotor arm which co-operates with high tension electrodes carried by the cap. Within the enclosure defined by the casing and the cap is an ignition coil including two separable parts. A first part of the coil includes a first core component and the coil primary winding and the second coil part includes a second core component and the coiled secondary winding. The two ignition coil parts are located in position relative to one another to constitute an ignition coil by the distributor cap and the casing.
Inventors
- 👤 N Jukes
- 👤 D Grainger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:34
CPC Classifications
F; F02; F02P; F02P7/00; F02P7/02; F02P7/021; F02P7/026; Y; Y10; Y10S; Y10S336/00; Y10S336/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
95 words
An ignition distributor including a hollow casing closed at one end by a detachable insulating cap, a rotatable shaft supported by the casing and carrying a rotor arm co-operable with High tension electrodes carried by the cap, and, an ignition coil, the coil having two separable parts, a first part including a first core component and the coil primary winding and a second part including a second core component and the coil secondary winding, wherein the first ignition coil part is positioned within the casing and the second coil part is positioned within the cap.
Claim 2
Dependent Claim
95 words
An ignition distributor including a hollow casing closed at one end by a detachable insulating cap, a rotatable shaft supported by the casing and carrying a rotor arm co-operable with High tension electrodes carried by the cap, and, an ignition coil, the coil having two separable parts, a first part including a first core component and the coil primary winding and a second part including a second core component and the coil secondary winding, wherein the first ignition coil part is positioned within the casing and the second coil part is positioned within the cap.
Claim 3
Dependent Claim
24 words
A distributor as claimed in claim 1 wherein first and second core components are such that in use they define a rectangular iron circuit.
Claim 4
Dependent Claim
23 words
A distributor as claimed in claim 1 wherein the two core components are each substantially U-shaped having their respective windings encircling their bases.
Claim 5
Dependent Claim
37 words
A distributor as claimed in claim 1 wherein each coil part is encapsulated in synthetic resin material with the exception of those regions of their core components which are to be presented to the other core component.
Claim 6
Dependent Claim
31 words
A distributor as claimed in claim 1 wherein the first coil part is detachably secured to the distributor casing and the second coil part is detachably secured to the distributor cap.
Claim 7
Dependent Claim
35 words
A distributor as claimed in claim 1 wherein one end of the secondary winding is electrically connected to a high tension input electrode on the cap by way of a lead located by the cap.
Claim 8
Dependent Claim
38 words
A distributor as claimed in claim 6 wherein the other end of the secondary winding is electrically connected to its respective core component and the first core component is earthed in use through the casing of the distributor.
Claim 9
Dependent Claim
49 words
A distributor as claimed in claim 1 wherein one end of the primary winding is connected to a low tension input terminal accessible from the exterior of the casing and the other end of the winding is connected within the casing, to the contact breaker of the ignition distributor.
Claim 10
Dependent Claim
21 words
A distributor as claimed in claim 1 wherein the first and second core components are spaced apart by non-magnetic spacer means.
Claim 11
Dependent Claim
16 words
A distributor as claimed in claim 9 wherein the spacer means electrically interconnects the core components.
References Cited (Backward Citations)
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US1783343A
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US1976178A
Cited
US2161043A
Cited
US2619513A
Cited
US3277358A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |