US2116354A - Magneto - Google Patents

Magneto Download PDF

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Publication number
US2116354A
US2116354A US39872A US3987235A US2116354A US 2116354 A US2116354 A US 2116354A US 39872 A US39872 A US 39872A US 3987235 A US3987235 A US 3987235A US 2116354 A US2116354 A US 2116354A
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United States
Prior art keywords
shaft
magneto
distributor
rotatable
stationary
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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 - Lifetime
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US39872A
Inventor
Bischoff Heinrich
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
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Publication of US2116354A publication Critical patent/US2116354A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/38—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary
    • H02K21/44—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary with armature windings wound upon the magnets

Definitions

  • the present invention relates to magnetos which are provided with ⁇ a distributor for two separate ignition circuits driven by a transmission drive and more particularly to those havinga stationary amature and magnet system, and a rotating conducting member.
  • the distributor and its transmission gearing are arranged substantially coaxially with the magneto rotor.
  • Figure 1 shows a twin magneto in longitudinal section on the line I-I of Fig. 2,
  • Figure 2 is a sectional -view on the line II--II of Fig. 1, and
  • Figure 3 is a longitudinal sectional view, similar to Fig. 1, taken on the line 3--3 of Fig. 2.
  • the magneto consists of two armatures a and two magnets b which are combined to form a stationary system, and a rotating flux conducting 425 member c which is positioned on the driving shaft d of the magneto.
  • the shaft projects beyond the conducting member and is mounted in bearings v near its end. Surrounding this portion of the shaft, is arranged so a distributing device e and an interrupter, the driving cams of which are positioned on the shaft.
  • II'he distributor consists of two rotating distributor elements g and gnwhich are mounted axially side by side on a tube h, which is fixed to the distributor casing i, and whose axis is eccentric to the axis of the magneto shaft d.
  • the distributor elements are xed on a rotatable bush k; At the inner end of the bush a gear-wheel o with internal teeth is secured by fianging over the 40 edge of the bush, which gear-wheel meshes with a toothed wheel p having external teeth, which is secured to the magneto shaft d.
  • 'I'he distributor elements g and g1 have slip-rings q, to which the high tension magneto current of the armature 45 a is led by connections u. Electrodes r are connected to the slip-rings, and conduct the magneto current to the electrodes s of a stationary ⁇ distributor disc t.
  • a magneto comprising a stationary armature, a stationary magnet system, a rotary magn'eto shaft, a flux conducting member connected to said shaft.
  • two rotatable distributor elements for separate ignition circuits arranged axially side $5 by side and eccentrically of said shaft, means centrically thereof,
  • a magneto having a rotating magneto shaft, two rotatable distributor elements for separate ignition circuits arranged axially side 10 by side and eccentrically of said shaft, a stationary tube arranged eccentrically of and Surrounding said shaft and rotatably mounting said rotatable distributor elements, an internally toothed ring connected to said distributor elel5 ments and a gear-wheel mounted on the magneto shaft and meshing with said internally toothed ring for driving said distributor elements.
  • a magneto having a rotating magneto shaft, two rotatable distributor elements for separate ignition circuits arranged axially side by side and eccentrically of said shaft, a stationary tube arranged eccentrically of and surrounding said shaft, a rotatable bush mounted on said tube and to which said distributor elements g5 are fastened, an internally toothed ring connectedl to said bush and a gear-wheel mounted on the magneto shaft and meshing with said internally toothed ring for driving said distributor elements.
  • a magneto having a rotating magneto shaft, a stationary tube arranged eccentrically of and around said shaft, a rotatable bush borne on said tube, two rotatable distributor elements for separate ignition circuits arranged axially side by side on said bush and eccentrically of said shaft, an internally toothed ring. secured to said bush by ilanging of the bush and a gear-wheel on the shaft meshing with said ring for driving said distributor elements.
  • a magneto having a rotatable magneto shaft a rotary member carried by said shaft, a stationary hollow shaft surrounding one end of said rotatable magneto shaftl and arranged eccentrically thereof, a distributor rotatably mounted on said hollow shaft, and means for drivably connecting said magneto shaft and said distributor.
  • a magneto having a rotatable magneto m shaft a rotary member carried by said shaft, a stationary hollow shaftsurrounding one end of said rotatable magneto shaft and arranged eca distributor rotatably mounted on vsaid hollow shaft, and means for b,
  • a magneto a casing, a rotatable magneto shaft rotatably mounted by said casing, a rotary member carried by said shaft, a stationary hollow shaft mounted at one end by said casing, said hollow shaft being arranged about and eccentrically of said rotatable magneto shaft, a distributor rotatably mounted on said hollow shaft, and means for drivably connecting said magneto shaft and said distributor.
  • a magneto a casing, a rotating magneto shaft rotatably mounted by said casing, a rotary member carried by said shaft, said casing including an integral hollow extension which surrounds a portion of said magneto shaft and is arranged eccentrically thereof, a distributor ro- 20 tatably mounted on said hollow extension, and
  • a magneto comprising a stationary armature, a stationary magnet system, a rotatable shaft, a rotatable flux conducting member carried by said shaft, a tube arranged about said shaft, a distributor for two separate ignition circuits rotatably mounted on said tube, and transmission gearing for said distributor comprising a gear wheel mounted on said shaft and meshing with an internally toothed ring connected to said distributor.
  • a magneto a rotatable magneto shaft.
  • an inductor ⁇ carried by said shaft a rotary distributor, means independent of,1 and surrounding a portion of said shaft for mounting said distributor for rotation about said shaft, and rotatable driving means connectng said shaft and said distributor.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Description

May 3, 1938. H. BlscHoFF 2,116,354
MAGNETO Filed Sept. 9, 1935 2 Sheets-Sheet 2 Unvenor K Patented May 3, 1938 UNITED STATES PATENT OFFICEy MAGNETO Application September 9, 1935, Serial No. 39,872 In Germany September 18, 1934 ClaimS. (Cl. 171-209) The present invention relates to magnetos which are provided with`a distributor for two separate ignition circuits driven by a transmission drive and more particularly to those havinga stationary amature and magnet system, and a rotating conducting member. l
In order to provide a simple compact magneto of the type just described and to obtain a minimum lateral loading of the distributor and its 10 drive, according to the invention the distributor and its transmission gearing are arranged substantially coaxially with the magneto rotor.
An example of construction of the invention is shown in the accompanying drawings, in
which:-
Figure 1 shows a twin magneto in longitudinal section on the line I-I of Fig. 2,
Figure 2 is a sectional -view on the line II--II of Fig. 1, and
2o Figure 3 is a longitudinal sectional view, similar to Fig. 1, taken on the line 3--3 of Fig. 2.
The magneto consists of two armatures a and two magnets b which are combined to form a stationary system, and a rotating flux conducting 425 member c which is positioned on the driving shaft d of the magneto.
The shaft projects beyond the conducting member and is mounted in bearings v near its end. Surrounding this portion of the shaft, is arranged so a distributing device e and an interrupter, the driving cams of which are positioned on the shaft.
. II'he distributor consists of two rotating distributor elements g and gnwhich are mounted axially side by side on a tube h, which is fixed to the distributor casing i, and whose axis is eccentric to the axis of the magneto shaft d. The distributor elements are xed on a rotatable bush k; At the inner end of the bush a gear-wheel o with internal teeth is secured by fianging over the 40 edge of the bush, which gear-wheel meshes with a toothed wheel p having external teeth, which is secured to the magneto shaft d. 'I'he distributor elements g and g1 have slip-rings q, to which the high tension magneto current of the armature 45 a is led by connections u. Electrodes r are connected to the slip-rings, and conduct the magneto current to the electrodes s of a stationary `distributor disc t.
I declare that what I claim is: 5o 1. A magneto comprising a stationary armature, a stationary magnet system, a rotary magn'eto shaft, a flux conducting member connected to said shaft. two rotatable distributor elements for separate ignition circuits arranged axially side $5 by side and eccentrically of said shaft, means centrically thereof,
independent of -and surrounding a portion of said magneto shaft for mounting said distributor ele-I ments for rotation about said shaft, an internally toothed ring connected to said distributor elements and a gear-wheel mounted on the magneto 5 shaft and meshing with said internally toothed ring for driving said distributor elements.
2. In a magneto having a rotating magneto shaft, two rotatable distributor elements for separate ignition circuits arranged axially side 10 by side and eccentrically of said shaft, a stationary tube arranged eccentrically of and Surrounding said shaft and rotatably mounting said rotatable distributor elements, an internally toothed ring connected to said distributor elel5 ments and a gear-wheel mounted on the magneto shaft and meshing with said internally toothed ring for driving said distributor elements.
3. In a magneto having a rotating magneto shaft, two rotatable distributor elements for separate ignition circuits arranged axially side by side and eccentrically of said shaft, a stationary tube arranged eccentrically of and surrounding said shaft, a rotatable bush mounted on said tube and to which said distributor elements g5 are fastened, an internally toothed ring connectedl to said bush and a gear-wheel mounted on the magneto shaft and meshing with said internally toothed ring for driving said distributor elements.
a. In a magneto having a rotating magneto shaft, a stationary tube arranged eccentrically of and around said shaft, a rotatable bush borne on said tube, two rotatable distributor elements for separate ignition circuits arranged axially side by side on said bush and eccentrically of said shaft, an internally toothed ring. secured to said bush by ilanging of the bush and a gear-wheel on the shaft meshing with said ring for driving said distributor elements.
5. In a magneto having a rotatable magneto shaft, a rotary member carried by said shaft, a stationary hollow shaft surrounding one end of said rotatable magneto shaftl and arranged eccentrically thereof, a distributor rotatably mounted on said hollow shaft, and means for drivably connecting said magneto shaft and said distributor. 6. In a magneto having a rotatable magneto m shaft, a rotary member carried by said shaft, a stationary hollow shaftsurrounding one end of said rotatable magneto shaft and arranged eca distributor rotatably mounted on vsaid hollow shaft, and means for b,
drivabiy connecting said magneto shaft and said fdistributor comprising a gear -`wheel mounted on the magneto shaft and meshing with an internally toothed ring carried by said hollow shaft.
7. In a magneto, a casing, a rotatable magneto shaft rotatably mounted by said casing, a rotary member carried by said shaft, a stationary hollow shaft mounted at one end by said casing, said hollow shaft being arranged about and eccentrically of said rotatable magneto shaft, a distributor rotatably mounted on said hollow shaft, and means for drivably connecting said magneto shaft and said distributor.
8. In a magneto, a casing, a rotating magneto shaft rotatably mounted by said casing, a rotary member carried by said shaft, said casing including an integral hollow extension which surrounds a portion of said magneto shaft and is arranged eccentrically thereof, a distributor ro- 20 tatably mounted on said hollow extension, and
means for drivably and rotatably connecting said magneto shaft and said distributor.-
9. A magneto comprising a stationary armature, a stationary magnet system, a rotatable shaft, a rotatable flux conducting member carried by said shaft, a tube arranged about said shaft, a distributor for two separate ignition circuits rotatably mounted on said tube, and transmission gearing for said distributor comprising a gear wheel mounted on said shaft and meshing with an internally toothed ring connected to said distributor.
10. In a magneto. a rotatable magneto shaft. an inductor `carried by said shaft, a rotary distributor, means independent of,1 and surrounding a portion of said shaft for mounting said distributor for rotation about said shaft, and rotatable driving means connectng said shaft and said distributor.
HEINRICH BISCHOFF.
US39872A 1934-09-18 1935-09-09 Magneto Expired - Lifetime US2116354A (en)

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DE2116354X 1934-09-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483632A (en) * 1942-03-03 1949-10-04 Bendix Aviat Corp Magneto
US4173960A (en) * 1976-06-03 1979-11-13 Robert Bosch Gmbh Inductive ignition control pulse generator in an internal combustion engine distributor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483632A (en) * 1942-03-03 1949-10-04 Bendix Aviat Corp Magneto
US4173960A (en) * 1976-06-03 1979-11-13 Robert Bosch Gmbh Inductive ignition control pulse generator in an internal combustion engine distributor

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