US2690514A - Flywheel magneto dust shield - Google Patents
Flywheel magneto dust shield Download PDFInfo
- Publication number
- US2690514A US2690514A US339855A US33985553A US2690514A US 2690514 A US2690514 A US 2690514A US 339855 A US339855 A US 339855A US 33985553 A US33985553 A US 33985553A US 2690514 A US2690514 A US 2690514A
- Authority
- US
- United States
- Prior art keywords
- flywheel
- dust shield
- stator plate
- magneto
- flywheel magneto
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
Definitions
- the present invention relates generally to a new and useful improvement in air cooled internal combustion engines of the type comprising a magneto flywheel which is cooperable with and spaced from a stator plate.
- the primary object of the invention is to provide, in a manner as hereinafter set forth, novel means for closing the usual space between the stator plate and the flywheel to positively exclude dust, dirt, etc, from the magneto.
- Another very important object of the invention is to provide a magneto shield of the aforementioned character which may be expeditiously installed on the stator plate without the necessity of making material structural alterations therein.
- Figure 1 is a view in side elevation, showing an air cooled gasoline engine equipped with a dust shield in accordance with the present invention
- Figure 2 is an enlarged View in side elevation thereof, portions being broken away in section;
- Figure 3 is a view in front elevation of the shield.
- reference numeral 5 designates generally an air cooled internal combustion engine.
- the engine 5 comprises a conventional magneto flywheel (i which is cooperable with the usual stator plate 7.
- the flywheel 6 is spaced from the stator plate 1, as at 8.
- the embodiment of the present invention which has been illustrated comprises a cylindrical ring or band 9 of metal or other suitable material which is adapted to encircle the rear end portion of the flywheel 6 and the stator plate 7 in spaced, concentric relation thereto and in a manner to bridge the gap or space 8 therebetween.
- a felt liner I0 may be adhesively or otherwise suitably secured in said ring.
- flange H Formed integrally with one end of the ring 9 is an internal flange H.
- the flange II abuts the 2 back of the stator plate I and is firmly secured thereto.
- the flange formed therein spaced apertures 52 which accommodate bolts I3. Threaded openings I l in the stator plate I accommodate the bolts I3.
- the cylindrical ring 9 in conjunction with the mounting flange ll, closes the gap or space 8 between the stator plate I and the flywheel 5 thus excluding dirt, dust and other foreign matter from the magneto.
- the liner IQ of felt or other suitable material substantially seals the space between the ring 9 and the flywheel 6. In certain instances Where it is not needed, the liner It may be dispensed with. It is to be noted that the construction and arrangement is such that the shield may be expeditiously installed for use on a conventional engine, it being only necessary to provide the apertures [4 in the stator plate 7.
- a dust shield attachment for a magneto of the type including a flywheel and a spaced stator plate said attachment comprising: a cylindrical ring for encircling the stator plate and the flywheel in spaced, concentric relation thereto and bridging the space therebetween, an internal flange integral with one end of said ring for overlying the marginal portion of the stator plate in face-abutting engagement with the outer side thereof, means for detachably securing said flange to the stator plate, and a lining in the ring for closing the space between said ring and the flywheel.
Description
Sept. 28, 1954 PHELAN 2,690,514
FLYWHEEL MAGNETO DUST SHIELD Filed March 2, 1953 Dewey Phe/an INVENTOR.
BY WW fiM L Patented Sept. 28, 1954 UNITED STATES PATENT OFFICE FLYWHEEL MAGNETO DUST SHIELD Dewey Phelan, Big Spring, Tex.
Application March 2, 1953, Serial No. 339,855
1 Claim.
The present invention relates generally to a new and useful improvement in air cooled internal combustion engines of the type comprising a magneto flywheel which is cooperable with and spaced from a stator plate. The primary object of the invention is to provide, in a manner as hereinafter set forth, novel means for closing the usual space between the stator plate and the flywheel to positively exclude dust, dirt, etc, from the magneto.
Another very important object of the invention is to provide a magneto shield of the aforementioned character which may be expeditiously installed on the stator plate without the necessity of making material structural alterations therein.
Other objects of the invention are to provide a magneto shield of the character described which will be comparatively simple in construction, strong, durable, highly efficient and reliable in use, compact and which may be manufactured at low cost.
All of the foregoing and still further objects and advantages of the invention will become apparent from a study of the following specification, taken in connection with the accompanying drawing wherein like characters of reference designate corresponding parts throughout the several views, and wherein:
Figure 1 is a view in side elevation, showing an air cooled gasoline engine equipped with a dust shield in accordance with the present invention;
Figure 2 is an enlarged View in side elevation thereof, portions being broken away in section; and
Figure 3 is a view in front elevation of the shield.
Referring now to the drawing in detail, it will be seen that reference numeral 5 designates generally an air cooled internal combustion engine. The engine 5 comprises a conventional magneto flywheel (i which is cooperable with the usual stator plate 7. The flywheel 6 is spaced from the stator plate 1, as at 8.
The embodiment of the present invention which has been illustrated comprises a cylindrical ring or band 9 of metal or other suitable material which is adapted to encircle the rear end portion of the flywheel 6 and the stator plate 7 in spaced, concentric relation thereto and in a manner to bridge the gap or space 8 therebetween. To substantially close and seal the space between the ring 9 and the flywheel 6, a felt liner I0 may be adhesively or otherwise suitably secured in said ring.
Formed integrally with one end of the ring 9 is an internal flange H. The flange II abuts the 2 back of the stator plate I and is firmly secured thereto. Toward this end, the flange formed therein spaced apertures 52 which accommodate bolts I3. Threaded openings I l in the stator plate I accommodate the bolts I3.
It is thought that the manner in which the device functions will be readily apparent from a consideration of the foregoing. Briefly, the cylindrical ring 9, in conjunction with the mounting flange ll, closes the gap or space 8 between the stator plate I and the flywheel 5 thus excluding dirt, dust and other foreign matter from the magneto. The liner IQ of felt or other suitable material substantially seals the space between the ring 9 and the flywheel 6. In certain instances Where it is not needed, the liner It may be dispensed with. It is to be noted that the construction and arrangement is such that the shield may be expeditiously installed for use on a conventional engine, it being only necessary to provide the apertures [4 in the stator plate 7.
It is believed that the many advantages of a dust shield constructed in accordance with the present invention will be readily understood and although a preferred embodiment of the device is as illustrated and described, it is to be understood that changes in the details of construction may be resorted to which will fall within the scope of the invention as claimed.
What is claimed as new is as follows:
As a new article of manufacture, a dust shield attachment for a magneto of the type including a flywheel and a spaced stator plate, said attachment comprising: a cylindrical ring for encircling the stator plate and the flywheel in spaced, concentric relation thereto and bridging the space therebetween, an internal flange integral with one end of said ring for overlying the marginal portion of the stator plate in face-abutting engagement with the outer side thereof, means for detachably securing said flange to the stator plate, and a lining in the ring for closing the space between said ring and the flywheel.
References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 680,804 Newman Aug. 20, 1901 2,101,392 Harmon Dec. 7, 1937 2,104,707 Rawlings Jan. 4, 1938 2,150,833 Hocket Mar. 14, 1939 2,538,534 Phelon Jan. 16, 1951 FOREIGN PATENTS Number Country Date 438,932 Germany Mar. 7, 1927 II has.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US339855A US2690514A (en) | 1953-03-02 | 1953-03-02 | Flywheel magneto dust shield |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US339855A US2690514A (en) | 1953-03-02 | 1953-03-02 | Flywheel magneto dust shield |
Publications (1)
Publication Number | Publication Date |
---|---|
US2690514A true US2690514A (en) | 1954-09-28 |
Family
ID=23330920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US339855A Expired - Lifetime US2690514A (en) | 1953-03-02 | 1953-03-02 | Flywheel magneto dust shield |
Country Status (1)
Country | Link |
---|---|
US (1) | US2690514A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756355A (en) * | 1954-11-18 | 1956-07-24 | Surface Combustion Corp | Radio shielded magneto |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US680804A (en) * | 1901-01-18 | 1901-08-20 | Hub Motor Company | Electrically-propelled vehicle. |
DE438932C (en) * | 1925-09-19 | 1927-03-07 | Ruthardt & Co G M B H | Current collection device on small electrical machines, especially for vehicle lighting |
US2101392A (en) * | 1936-11-19 | 1937-12-07 | Wico Electric Co | Electric generator |
US2104707A (en) * | 1935-11-26 | 1938-01-04 | Rawlings George William | Electric generator |
US2150833A (en) * | 1937-11-30 | 1939-03-14 | Wayne A Hockett | Motor wheel unit |
US2538534A (en) * | 1948-05-19 | 1951-01-16 | Russell E Phelon | Rotor for flywheel magneto and magnet unit therefor |
-
1953
- 1953-03-02 US US339855A patent/US2690514A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US680804A (en) * | 1901-01-18 | 1901-08-20 | Hub Motor Company | Electrically-propelled vehicle. |
DE438932C (en) * | 1925-09-19 | 1927-03-07 | Ruthardt & Co G M B H | Current collection device on small electrical machines, especially for vehicle lighting |
US2104707A (en) * | 1935-11-26 | 1938-01-04 | Rawlings George William | Electric generator |
US2101392A (en) * | 1936-11-19 | 1937-12-07 | Wico Electric Co | Electric generator |
US2150833A (en) * | 1937-11-30 | 1939-03-14 | Wayne A Hockett | Motor wheel unit |
US2538534A (en) * | 1948-05-19 | 1951-01-16 | Russell E Phelon | Rotor for flywheel magneto and magnet unit therefor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756355A (en) * | 1954-11-18 | 1956-07-24 | Surface Combustion Corp | Radio shielded magneto |
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