US1295206A - Speed-controlling distributer. - Google Patents
Speed-controlling distributer. Download PDFInfo
- Publication number
- US1295206A US1295206A US18069117A US18069117A US1295206A US 1295206 A US1295206 A US 1295206A US 18069117 A US18069117 A US 18069117A US 18069117 A US18069117 A US 18069117A US 1295206 A US1295206 A US 1295206A
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- US
- United States
- Prior art keywords
- speed
- engine
- shaft
- controlling
- distributer
- 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
-
- 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
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
- F02P9/005—Control of spark intensity, intensifying, lengthening, suppression by weakening or suppression of sparks to limit the engine speed
Definitions
- This invention relates to a speed controlling distri'buter for the ignition system of an internal combustion motor for use in a place of this type which is arranged to prevent racing or overspeed of the engine beyond a predetermined 4 point.
- -F ig. 2 is a view in section about line II--II of Fig. 1;
- Fig. 3 is a View in detail in side elevation of a centrifugal weight controlling mechanism
- Fig. 4f isa view in side elevation taken from the opposite side of Fig. 3.
- a casing 1 of suitable design and material is arranged to be secured on the main frame or base 2 of an engine, preferably being -concentric with a timing shaft 3, and being held by a spring arm 4 that is suitably secured to the engine and that is arranged to bear with a slight extension 5 against a corresponding bearing depression in the casing.
- the shaft 3 runs in timed relation to the engine cycle by any suitable connection. It may be the cam shaft or particularly disposed timing shaft, or may be an extension of the main shaft.
- a fitting 6 which in form is substantially a bell crank, or at least of suitable design for the purpose, is non-ro-v tatably secured as by a pin 7 to the shaft 3 within the casing so that the end thereof rotates close to contact plates 8 which are taken on or Specification of Letters Patent.
- a contact lever 11 is pivoted as at '12, to
- the spring In operation, and when lat rest, the spring holds the'wiper projected and the weight well retracted. the wiperpoint or block is yieldingly held by ⁇ the spring so as to sweep across the several contact plates until a predetermined speed for which the weight is adjusted, causes the latter to Hy out andl thereby retract the wiper, breaking the ignition circuit and causing a reduction in speed ofthe engine until a predetermined maximum rate of speed is again reached.
- a speed controlling distributer for the ignition system of an explosive engine comprising the combination 'with a shaft therethrough. of a casing angularly adjustable on the engine casing, concentric with the shaft, a spring arm yieldingly maintaining the casing in adjusted position,
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
C. A. REDMOND. SPEED CONTROLLING DISTRIBUTER.
APFLICATON FiLED JULY 16,1911.
Patent-ea Feb. 1919..
@yN/humo@ @wlw A. Buitoni), or Los "eovEiaNon, CcnPoRATIoN, or
ANGELES, CALIFORNIA, ASSIGNOR TO DETROIT MOTOR DETROIT, MICHIGAN, A CORPORATION OF MICHIGAN.
SPEED-CONTRLLING DISTRIBUTER.
To all 071cm t may concern.'
Be it known that I, CHARLES A. REDMOND, a citizen of the United States of America, residing at Los Angeles, county ofv Los Angeles, and State of'California, have invented certain new and. useful Improvements in Speed-Controlling Distributers, of which the following is a specification, reference being had therein to the accompanying drawings. In the operation of high speed internal combustion motors, it is frequently desirable vto provide means for limiting the speed thereof, especially where they are used on trucks and other vehiclesv or tractors, the road speed of which is preferably low. v
This invention relates to a speed controlling distri'buter for the ignition system of an internal combustion motor for use in a place of this type which is arranged to prevent racing or overspeed of the engine beyond a predetermined 4 point.
The invention consists in the matters here'- ina'fter set forth,v and more particularlyI pointed out in the appended claims.
In the drawings,
' 'Figure 1l fs a -plan view, partially away/and in section, of a vspeed controlling distributer that embodies features of the'in-- vention;
-F ig. 2 is a view in section about line II--II of Fig. 1;
Fig. 3 is a View in detail in side elevation of a centrifugal weight controlling mechanism; and
Fig. 4f isa view in side elevation taken from the opposite side of Fig. 3.
Referring to the drawings, a casing 1 of suitable design and material is arranged to be secured on the main frame or base 2 of an engine, preferably being -concentric with a timing shaft 3, and being held by a spring arm 4 that is suitably secured to the engine and that is arranged to bear with a slight extension 5 against a corresponding bearing depression in the casing.
The shaft 3 runs in timed relation to the engine cycle by any suitable connection. It may be the cam shaft or particularly disposed timing shaft, or may be an extension of the main shaft. A fitting 6 which in form is substantially a bell crank, or at least of suitable design for the purpose, is non-ro-v tatably secured as by a pin 7 to the shaft 3 within the casing so that the end thereof rotates close to contact plates 8 which are taken on or Specification of Letters Patent.
broken i Patented Feb. 25, 1919.
Application filed July 16, 1917. Serial No.` 180,691.
set into an annular insulating body 9 of the l casing. These segments correspond in number to the cylinders of the engine for which the device is arranged, and are each provided with a bindinglscrew 10 or the like. l
A contact lever 11 is pivoted as at '12, to
one arm of the member 6 with a wiping block 13 thereof sweeping the face of the insulating band 9 and periodically contacting with the segments 8. Itis-held to its work normally by a spring 14, the other end of which is ated weight l5. The latter has a linger 16 yand is pivoted as at 17 to the other arm vof the bracket 6 opposite to the pivotal support 12 of the member 11, this linger oversecured to a centrifugally oper.-v
lapping and bearing against an extension-18 of the wiper lever 11. A boss or lug 19 on the inner-.face of the member 11, prevents orl limits the inward movement of the lever 11 under the action of the finger 1 6.
In operation, and when lat rest, the spring holds the'wiper projected and the weight well retracted. the wiperpoint or block is yieldingly held by `the spring so as to sweep across the several contact plates until a predetermined speed for which the weight is adjusted, causes the latter to Hy out andl thereby retract the wiper, breaking the ignition circuit and causing a reduction in speed ofthe engine until a predetermined maximum rate of speed is again reached.
As a result of this construction, a distributor is obtained which has all the advantages of the usual construction, it being understood that by means of an extension 2O the casing l may be turned angularly to advance or retard the spark in the usual manner. whilc at the same time operation of the centrifugal weight prevents overspeed of the engine.
bviously, changes in the details of construction may be made without departing from the spirit of my invention and I do not care to limit myself to any particular formv or arrangement of parts.
, What I claim is:
1. A speed controlling distributer for the ignition system of an explosive engine, comprising the combination 'with a shaft therethrough. of a casing angularly adjustable on the engine casing, concentric with the shaft, a spring arm yieldingly maintaining the casing in adjusted position,
W hen the engine is rotatingl an engine and an insulating annulns in the casing? electric( contacts embedded in the annulus concentrically with the shaft, a fitting on the shaft revolving within the annulus, la wiper mein-l ber pivoted on the fitting to `Sweep the contacts, a weight member pivoted on the fitting and engaging the wiper member to retract the latter when the weight is projected, a spring interconnecting the wiper member and the weight to project the former and retract the latter, and a Stop on the wiper member to limit the inward motion of the latter and the outward motion of the former.
Q. The combination with an engine base and shaft therethrough turning in fiXed relation to the cycle of the engine, of a casing angularly adjustable on the engine base concentrically with the Shaft, a member frictionally engaging the casing andv maintaining it in position, an insulating annulus in the casing concentric with the shaft, con- "tacts on the inner periphery the shaft, afitting around of tile annulus secured to the 4shaft to revolve within the annulus, a wiper f member pivote oir the fitting to sweep the contacts, limiting the inward movement a centrifugal weight tween the ends thereof Y arm contacting with the wiper unweighted member to force the latter between the ends thereof a stop of the wiper, member pivote'd beon the 'fitting with an inw ard when the weight moves outward, and a spring yieldingly connecting the free arin and the weighted arm of the, operated member wiper and retract and acting to proyec-t the the weight.
1n testimony whereof I affix my signature in presence of C Witnesses ANNAY BERNARD two witnesses. HARLES A. REDMOND.
M. Donn,
L. KILBRIDE.
of the Wiper `centrifugally
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18069117A US1295206A (en) | 1917-07-16 | 1917-07-16 | Speed-controlling distributer. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18069117A US1295206A (en) | 1917-07-16 | 1917-07-16 | Speed-controlling distributer. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1295206A true US1295206A (en) | 1919-02-25 |
Family
ID=3362758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18069117A Expired - Lifetime US1295206A (en) | 1917-07-16 | 1917-07-16 | Speed-controlling distributer. |
Country Status (1)
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2449078A (en) * | 1943-03-15 | 1948-09-14 | Rca Corp | Commutator apparatus |
US2749397A (en) * | 1952-11-21 | 1956-06-05 | Douglas Aircraft Co Inc | Wear-saving contact structure for rotors of counting devices and the like |
-
1917
- 1917-07-16 US US18069117A patent/US1295206A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2449078A (en) * | 1943-03-15 | 1948-09-14 | Rca Corp | Commutator apparatus |
US2749397A (en) * | 1952-11-21 | 1956-06-05 | Douglas Aircraft Co Inc | Wear-saving contact structure for rotors of counting devices and the like |
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