GB191505079A - Improvements in and in connection with Dynamo Electric Machines. - Google Patents
Improvements in and in connection with Dynamo Electric Machines.Info
- Publication number
- GB191505079A GB191505079A GB191505079DA GB191505079A GB 191505079 A GB191505079 A GB 191505079A GB 191505079D A GB191505079D A GB 191505079DA GB 191505079 A GB191505079 A GB 191505079A
- Authority
- GB
- United Kingdom
- Prior art keywords
- windings
- engine
- brushes
- winding
- pole
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc Machiner (AREA)
Abstract
5079. Boin, R. April 1. Magneto-electric machines; exciting.-A machine for supplying current for engine-ignition, lighting, and battery-charging on a motor-vehicle &c., and capable of acting as a motor for starting the engine, comprises a single armature a having one or more windings and a permanent field magnet d, each pole of which has two or more pole-pieces e, f and e', f<1> provided with regulating-windings. In one form, Fig. 3, the armature has a coarse-wire or motor winding with commutator brushes b<1>, b', and a fine-wire or generator winding with brushes c', c<2>, and the pole-pieces are provided with windings g, h, some turns h<1>, h' of the winding h being wound reversely upon the pole-pieces f, f<1>. To run the machine as a motor in starting the engine, the switch j is turned against the contact j<1> so as to connect the brushes b<1>, b<2> with the battery i, the windings g, h then acting in conjunction to strengthen the field of the permanent magnet. In a modification, both armature windings may act as motor windings. When the engine has started, the switch j is moved against the contact j' so as to connect the brushes c', c' to the battery, the current generated in the coarse-wire armature winding then circulating through the winding g in the reverse direction to the current in the winding h. The pole-pieces f, f<1> now change sign, the poles f, e<1> now being, say, South poles, and the poles e, f<1> North poles; the field axis is thus displaced, instead of the brushes. Both armature windings may be coupled in series when the machine acts as a generator. The induction coil l for engine-ignition has an interrupter o in its primary circuit; the induction coil is placed in circuit by means of a switch p either with the battery i or, when the battery is discharged and the engine is being started by hand, with the generator brushes c<1>, c'. The interrupter and distributor are actuated by the countershaft t.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB191505079T | 1915-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB191505079A true GB191505079A (en) | 1916-04-03 |
Family
ID=32674192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB191505079D Expired GB191505079A (en) | 1915-04-01 | 1915-04-01 | Improvements in and in connection with Dynamo Electric Machines. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB191505079A (en) |
-
1915
- 1915-04-01 GB GB191505079D patent/GB191505079A/en not_active Expired
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