US800372A - Sparking-igniter starting mechanism for gasolene-engines. - Google Patents

Sparking-igniter starting mechanism for gasolene-engines. Download PDF

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US800372A
US800372A US18257103A US1903182571A US800372A US 800372 A US800372 A US 800372A US 18257103 A US18257103 A US 18257103A US 1903182571 A US1903182571 A US 1903182571A US 800372 A US800372 A US 800372A
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engines
igniter
sparking
gasolene
engine
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US18257103A
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Andrew J Haskell
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00

Definitions

  • - My invention relates to sparking-igniter starting mechanism for gas and gasolene engines.
  • the object of the present invention is-the provision of a simple and inexpensive attachment adapted to be'applied to gas and gasolene engines employing the hammer blow type of igniter whereby the igniting mechanism will be operated at the proper time to explode the charge on turning the fiy-wheel backward to obtain a proper compression.
  • Figure 1 is a perspective view illustrating the invention when in position with the cooperating parts on the gas-engine, dotted lines representing the position of the igniterrod after it has been disengaged from the attachment and the end of the cylinder of the engine being broken away to disclose the sparking electrodes;
  • Fig. 2 an enlarged detail of the attachment
  • Fig. 3 an enlarged detail view of the spring mechanism for striking the hammer-blow.
  • 1 represents the cylinder of the gas-engine, which is provided with the igniter-head, and secured therein is the usual stationary electrode 2.
  • the movable electrode or sparking electrode 3 which is provided with the rockerarm 4: at its outer end.
  • Sliding within an aperture-in the rocker-arm 4 is a stud 22 in the sleeve 21 on the igniter-rod '5, which stud is provided with spring 6, which will hereinafter be described, and at its opposite end with a head 7, having notches 10 adapted to be engaged by acam 8 on thelay-shaft 9.
  • This layshaft 9 is actuated as usual by gearing communicating with the fly-wheel shaft and-is provided with a cam 11, adapted to coact with the valve-operating mechanism;
  • a hammer-blow igniting mechanism In an igniter starting attachment for gas or gasolene engines, the combination of a hammer-blow igniting mechanism, a lay-shaft actuated by the engine, a cam on said lay-shaft adapted to operate the inlet-valve of said engine, a resilient latching-bar pivoted at one end and adapted to be engaged by said cam and to engage with the hammer blow igniting mechanism and hold it so that when released it will act to create a spark, and means carried by said latching-bar for varying the time of action of said bar.

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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

No. 800,372. PATENTED SEPT. 26, 1905. A. HASKBLL.
SPARKING IGNITER STARTING MECHANISM FOR GASOLENE ENGINES.
' APPLICATION FILED NOV. 25, 1903.
INVENTOI? BY Y N 71. z I ATTORNEY UNITED STATES" ANDREWJ. HASK-ELL, OF WEST BETHEL, MAINE,
Specification of Letters Patent;
Patented Sept. 26, 1905.
Application filed November 25, 1903. Serial no. 182,571.-
To all whom/it may concern:-
Be it known that I, ANDREW J HASKELL, a
I citizenof the United States; residing at West Bethe], countyof Oxford, and State of Maine, have invented certain newand useful Improvements in Sparking-Igniter Starting Mechanism for Gas and-Gasolene Engines, of which the following is a specification;
- My invention relates to sparking-igniter starting mechanism for gas and gasolene engines.
The object of the present invention is-the provision of a simple and inexpensive attachment adapted to be'applied to gas and gasolene engines employing the hammer blow type of igniter whereby the igniting mechanism will be operated at the proper time to explode the charge on turning the fiy-wheel backward to obtain a proper compression.
Having the foregoing object in view, the invention consists of an improved attachment adapted to cooperate. with the igniting and other mechanisms of an ordinary gas-engine in a novel manner, as fully set forth hereinafter. The novel features of the invention are recited in the appended claims.
In the accompanying drawings, wherein the invention is shown applied to a gas or gasolene engine, Figure 1 is a perspective view illustrating the invention when in position with the cooperating parts on the gas-engine, dotted lines representing the position of the igniterrod after it has been disengaged from the attachment and the end of the cylinder of the engine being broken away to disclose the sparking electrodes;. Fig. 2, an enlarged detail of the attachment, and Fig. 3 an enlarged detail view of the spring mechanism for striking the hammer-blow.
Referring more especially to the drawings, 1 represents the cylinder of the gas-engine, which is provided with the igniter-head, and secured therein is the usual stationary electrode 2. J ournaled just below the stationary electrode is the movable electrode or sparking electrode 3, which is provided with the rockerarm 4: at its outer end. Sliding within an aperture-in the rocker-arm 4 is a stud 22 in the sleeve 21 on the igniter-rod '5, which stud is provided with spring 6, which will hereinafter be described, and at its opposite end with a head 7, having notches 10 adapted to be engaged by acam 8 on thelay-shaft 9. This layshaft 9 is actuated as usual by gearing communicating with the fly-wheel shaft and-is provided with a cam 11, adapted to coact with the valve-operating mechanism;
Pivotally secured through aperture 19on' a bolt 20 on the lay-shaft bearings is a bar 13, having a certain amount of inherent resiliency,
the free end 14- ofwhichis provided with a notched portion 15, adapted to engage the notches 10 on the head 7. At or near the 16 and a curved leaf-spring 17,-which"is adapted to be adjusted by a set-screw 18, screwthreaded through the arm 16. The-arm 13 SPARKlNG-JGNITEF} STARTING MECHANISM FOR GASOL'ENE-ENGINES- during the normal operation of the engine depends at right angles to the position shown in Fig. 1.
Secured to one end of the igniter-rod 5 is a sleeve 21, closed at one end by the igniter-rod 5 and through which a stub-rod 22 is adapted -to pass, thus closing the opposite end. This stub-rod 22 is provided with a head 23, which is engaged by the spring 6, surrounding said rod 22. 4 The opposite end of the stub-rod 22 is provided with an adjusting-nut 24 and a spring 25, which engages said nut 24 and the rocker-arm 4.. To that end of the sleeve 21 opposite to that to which the igniter-rod is secured is attached a hammer 26, adapted to contact with the rocker-arm 4.
The operation is as follows: When it is deraised so that the notchedvportion 15 engages the notches 10 on the head 7 The engine is now reversed through the fly-.wheel until the cam 11 comes in contact with the curved spring 17 on the arm 13, which contact will bend the arm outwardly and pull the hammer 26 away from the rocker-arm and cause the spring 25 to exertapressure on the rocker. This eventually causes the movable electrode 3 to contact with the stationary electrode. The spring is now under great tension, and when the cam passes the middle of the curved leaf-spring 17 the bar 13 disengages itself from the head 7 and drops down and allows the igniter-rod to fly back and the hammer to strike the rockerarm, which separates the electrodes sharply,
engine. Thereafter the cam 8 engages the thus exploding the charge and starting the 7 1. In an igniter starting attachment for gas or gasolene engines, the combination of a hammer-blow igniting mechanism, a lay-shaft actuated by the engine, a cam on said lay-shaft adapted to operate the inlet-valve of said engine, a latching member pivoted at one end and adapted to be engaged by said cam and to engage with the hammer blow igniting mechanism and hold it so that when released it will act to create a spark, and means carried by the latching member for varying the time of action of said member.
2. In an igniter starting attachment for gas or gasolene engines, the combination of a hammer-blow igniting mechanism, a lay-shaft actuated by the engine, a cam on said lay-shaft adapted to operate the inlet-valve of said engine, a resilient latching-bar pivoted at one end and adapted to be engaged by said cam and to engage with the hammer blow igniting mechanism and hold it so that when released it will act to create a spark, and means carried by said latching-bar for varying the time of action of said bar.
3. Inastartingdeviceforexplosive-engines, the combination with a hammer-blow igniting mechanism, of a bar pivoted at one end and adapted to engage the hammer-blow igniting mechanism, an arm carried by said bar, a leafspring carried by said bar, means engaging the spring and said arm to adjust the spring, a lay-shaft actuated by the engine, and a cam on said lay-shaft adapted to engage said leafspring to force the bar away from its engaging position and carry therewith the hammerblow igniting mechanism and at a predetermined time to release the bar and allow the hammer-blow igniting mechanisn'l to act.
In testimony whereof I hereunto afiix my signature in presence of two witnesses.
ANDREIV J. HASKELL.
Witnesses:
E. P. PHILBROOK, FRED E. MURPHY.
US18257103A 1903-11-25 1903-11-25 Sparking-igniter starting mechanism for gasolene-engines. Expired - Lifetime US800372A (en)

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