US755079A - Fuel-injector for oil-engines. - Google Patents

Fuel-injector for oil-engines. Download PDF

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Publication number
US755079A
US755079A US16652803A US1903166528A US755079A US 755079 A US755079 A US 755079A US 16652803 A US16652803 A US 16652803A US 1903166528 A US1903166528 A US 1903166528A US 755079 A US755079 A US 755079A
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Prior art keywords
injector
oil
fuel
engines
valve
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US16652803A
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Nelson L Tuck
William W Tuck
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
    • F02M7/02—Carburettors having aerated fuel spray nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Description

No. 755,019. PATENTED MAR. 22, .1904.
N. L. & w. w. T1101; FUEL INJECTOR FOR OIL ENGINES.
APPLICATION FILED JULY 22. 1903. I I0 101 3121. 2 8HBEIS8HEET 3.
WITNESSES; JNVZNTIORJF' ATTORN'EK m: Noam; mans 0o. Pucmurna. wnsumumn. u. c.
UNITED STATES Patented March 22, 1904;.
PATENT OFFICE.
NELSON L. TUOK AND WILLIAM W. TUOK, OF BROOKLYN, YORK.
FUEL-INJECTOR FOR OIL-ENGINES.
' SPECIFICATION formingpart of Letters Patent No 755,079, dated March 22, 1904.
Application filed July 22, 1903. Serial No. 166,528- (No model.)
To all whom it may concern.-
Be it known that we, NELSON L. Tool; and WILLIAM W. TUOK, citizens of the United States, and residents of Brooklyn, in the county of Kings and State of New York, have invented a certain new and useful Improvement in Fuel-Injectors for Oil-Engines, of which the following is a specification.
This invention relates to injectors for internal-combustion engines using a hydrocarbon explosive agent, and has for its primary object, the automatic control of the feed. Other objects will appear hereinafter.
One form of the invention is shown in the accompanying drawings, (two sheets,) forming part hereof, in which Figure 1 is an elevation of an explosion engine, partly broken away to show the mechanism in which the invention is embodied. Fig. 2 is a section, ona central vertical plane, of the'injector; and Fig. 3 is a side view of the same.
In the drawings the reference 0 marks a suitable cylinder, to which is attached a casing 6, in which the crank-shafts is journaled in any suitable manner. 7
(1 marks the injector, which is suitably fixed or mounted on the air-pipe.
The injector shown in the drawings consists of a tubular body 6, whose enlarged end bores are joined by a constricted or smallerdiameter bore, and its ends are closed by screw-plugsf g. The plug f is'imperforate, while the plug g is provided with a small perforation h therein in the axial line of the easing 0. The bore at this end is provided with a valve-seat for a coned valve 2', whose stem is fits in the said smaller-diameter bore and is provided with one or more longitudinal channels Z for the oil. A spiral spring m surrounds the stem 70 and bears against the bottom of a larger bore 11 of. the casing e and a collar 0, fast on the stem 7c, the function of this spring being to seat the valve 2'. The collar 0 is grooved circumferentially at p, as shown, and the casing is provided with tubular arms (1 at opposite sides thereof, in which pistons 9" fit tightly, being suitably or toward the collar 0.
packed. Pistons r are provided with conical or cam points 8, which are arranged to engage with the side of the groove 0 to move the valved onto its seat. Springs t surround the piston-rods u and move the pistons r inward Screw-caps c act as guides for the rods u.
The reference w marks the inlet-tube for the hydrocarbon, which is supplied by a pump 03, whose piston-rod y is operated by a cam or toe e, which is suitably driven from the shaft 0 by gearing The injector is arranged with the plug end g projecting into a space which forms part of or connects with the cylinder at, as will be understood.
The cam-catches s are normally in engagement with the collar 0, as shown, and act to draw the valve 4 firmly against its seat. Sufficient pressure of the oil supplied by the pump overcomes the resistance of the springs t and moves pistons r outward, thereby causing cams s to releasethe collar 0 and valve e', thus permitting the pressure in the injector to overcome the spring m and open the valve 7;, whereupon oil will pass through the'perforation h as required.
The tension of springs t may be varied by .means of the caps 41, while the tension of the spring we may be varied by means of washers.
or liners placed between the same and the bottom of the bore in which it is placed.
What is claimed ismit said valve to be unseated, in combination,
substantially as described.
3. In a hydrocarbon or explosion engine, a
i 1. In a hydrocarbon or explosion engine, a v
fuel-injector provided with a spring-seated valve opening toward the cylinder, springcatches arranged to hold said valve on its seat,
and means controlled by the pressure of the hydrocarbon for causing said catches to release said valve, in combination, substantially as described.
Signed at New York city, in the county of New York and State of New York, this 21st day of July, A. D. 1903.
NELSON L. TUCK. WILLIA-M \V. TUCK.
\Vitnesses:
FRANK RYALL, R. W. BARKLEY.
US16652803A 1903-07-22 1903-07-22 Fuel-injector for oil-engines. Expired - Lifetime US755079A (en)

Priority Applications (1)

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US16652803A US755079A (en) 1903-07-22 1903-07-22 Fuel-injector for oil-engines.

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US16652803A US755079A (en) 1903-07-22 1903-07-22 Fuel-injector for oil-engines.

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