US505760A - John fielding - Google Patents
John fielding Download PDFInfo
- Publication number
- US505760A US505760A US505760DA US505760A US 505760 A US505760 A US 505760A US 505760D A US505760D A US 505760DA US 505760 A US505760 A US 505760A
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- US
- United States
- Prior art keywords
- gas
- engine
- valve
- cylinder
- starting
- 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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- 239000000203 mixture Substances 0.000 description 6
- 241000731961 Juncaceae Species 0.000 description 2
- 235000002912 Salvia officinalis Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 235000002020 sage Nutrition 0.000 description 2
- 239000001296 salvia officinalis l. Substances 0.000 description 2
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Classifications
-
- 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
- F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
- F02M1/16—Other means for enriching fuel-air mixture during starting; Priming cups; using different fuels for starting and normal operation
Definitions
- A is the space in the cylinder B behind the piston O, which, as indicated by the position of the crank D and connecting rod E, is somewhat advanced in its forward working stroke.
- valve box G is a reservoir for the compressed air, communicating by a pipe F with the valve box G.
- valve box G there is a spring check valve G which can be closed tightly by turning a screw handle G and a stop valve G which can be closed by turning a handle G Gas is admitted to the valve box by a lateral passage H governed by a stop cook.
- the pas sage I from the valve box to the cylinder terminates in an inclined port J.
- K is a passage leading from the cylinder to the igniting tube L which may be heated by a Bunsen burner such as M or otherwise.
- the engine is provided with the usual gas and air supply and exhaust valves, and may also have a suitably timed ignition valve.
Description
(H0 Mode l.)
FIELDING. i MEANS fion STARTING GAS 0R OIL MOTOR ENGINES- N0. 505,760. Patented Sept. 26, 1893 ing to my invention.
NITED STATES PATENT OFFICE.
JOHN FIELDING, OF GLOUCESTER, ENGLAND.
SPECIFICATION forming part of Letters Patent No. 505,760, dated September 26, 1893.
Application filed December 20, 1892. Serial No. 455,783. No model.) Patented in England November 11, 1891,1T0. 19,517; in France June 30,1892, No. 222,718, and in Germany July 5, 1892,1Io. 66,960.
To aZZ whom it may concern.-
Be it known that I, JOHN FIELDING, a citizen of England, residing at Somerset Lawn, in the city and county of Gloucester, England, have invented a new and useful Means for Starting Gas or Oil Motor Engines, (for which I have obtained a patent in Great Britain, dated November 11, 1891, No.19,517; in France, dated June 80, 1892, No. 222,718, and in Germany, dated July 5, 1892, No. 66,960,) of which the following is a specification.
This invention has for its object to provide new and improved means for starting a gas or oil motor engine; and it consists in the features of construction and the combination or arrangement of devices hereinafter described and claimed, reference being made to the accompanying drawings, in which- Figure 1 is a longitudinal section and Fig. 2 is an end view of the cylinder of a gas engine with apparatus for starting it accord- Fig. 3 is a longitudinal section drawn to an enlarged scale of the valve box.
A is the space in the cylinder B behind the piston O, which, as indicated by the position of the crank D and connecting rod E, is somewhat advanced in its forward working stroke.
F is a reservoir for the compressed air, communicating by a pipe F with the valve box G. In this valve box there is a spring check valve G which can be closed tightly by turning a screw handle G and a stop valve G which can be closed by turning a handle G Gas is admitted to the valve box by a lateral passage H governed by a stop cook. The pas sage I from the valve box to the cylinder terminates in an inclined port J.
K is a passage leading from the cylinder to the igniting tube L which may be heated by a Bunsen burner such as M or otherwise. A
lateral passage from K governed by a stop valve N leads to an outlet pipe N, which is bent over the chimney of the igniting burner.
Besides the apparatus for starting, the engine is provided with the usual gas and air supply and exhaust valves, and may also have a suitably timed ignition valve. The
starting is effected as follows: The valve N being opened and the valves G and G belng closed, gas is admitted by the passage H into the space A, the entering current being directed by the inclined port J so as to sweep round the end of the cylinder and displace the air, most of which issues at N. When gas, or gas mixed with a little air begins to issue at N it becomes ignited by the burner; when it burns steadily, showing that it 1s mostly gas, the valve N and the gas cook H are closed, and the valve G being opened, compressed air from the reservoir F rushes into the space A forming with the gas already there a combustible mixture under pressure, which becomes ignited by the heated 'tube L or it might be by an electric spark or otherwise. The piston being propelled by the explosion of the compressed charge with sufficient force to start the motion of the engine, the valve G is closed, and the engine goes on working in the usual way. Whenit is desired to charge the reservoir F, the gas supply to the engine is cut off and the valve G is left free to open, so that, by a few compressing strokes of the engine, air is forced into the reservoir F, the valve G closing against its return. Usually a few strokes of the engine made before it stops after the gas supply is cut olf,suffice to charge the reservoir F.
For an engine having several cylinders it is generally unnecessary to apply means, such as I have described, for starting to more than one of the cylinders.
It is obvious that, for an oil motor engine, or engine in which combustible vapor is employed instead of gas, the same means for starting may. be adopted.
Having thus described the nature of this invention and the best means I know of carrying the same into practical effect, I claim- The combination with the cylinder and piston of a motor engine, of a starting mechanism consisting of a valved air escape conduit for the escape of air from the space in the cylinder behind the piston, a valve box conneoted with the cylinder and having a vallved gas inlet, and a valved-compressed air inlet,
a compressed air reservoir connected with the two subscribing witnesses, this 6th day of Devalved-compressed air inlet of the valve box, cember, A. D. 1892. and an ignitor for igniting the charge in the T cylinder to start the engine, substantially as JOHN FIELDD 5 described. Witnesses:
In testimony whereof I have signed my HENRY JAMES, name to this specification, in the presence of FRANK FIELDING.
Publications (1)
Publication Number | Publication Date |
---|---|
US505760A true US505760A (en) | 1893-09-26 |
Family
ID=2574595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US505760D Expired - Lifetime US505760A (en) | John fielding |
Country Status (1)
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US (1) | US505760A (en) |
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- US US505760D patent/US505760A/en not_active Expired - Lifetime
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