US846903A - Carbureter. - Google Patents

Carbureter. Download PDF

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Publication number
US846903A
US846903A US29612506A US1906296125A US846903A US 846903 A US846903 A US 846903A US 29612506 A US29612506 A US 29612506A US 1906296125 A US1906296125 A US 1906296125A US 846903 A US846903 A US 846903A
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Prior art keywords
valve
chamber
carbureter
mixing
tube
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US29612506A
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Frank A Bradbeer
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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
    • F02M7/12—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves
    • F02M7/18—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice
    • F02M7/20—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice operated automatically, e.g. dependent on altitude

Definitions

  • the elbowsor tortuous passage serveto prevent the too free flow and flooding incident to ashort or straight passage when the engine is at high speed, and this construction produces the desired result without the use of To all whom, it may concern.
  • the fol- T s invention is a carbureter particularly adapted for supplying an' explosive mixture to an ex losion-engine.
  • Thee 'ef objects of the nvention are to rovide an improved valve for preventing ack flash or blow through the carbureter from the cylinder and to provide "improved ports for supplying the gasole'ne from the oil chamberv or vessel to the mixing-pipe.
  • the construction shown herein is particuclogged. The passage, although crooked, is ,always clear.
  • Figure 1 is a vertical sectional view of the'carbureter.
  • Fig. 2 is aside elevation.
  • Fig. 3 is a top drilled in said nipple.
  • the face of the nipple is flat and so is the face of the valve 14, and the jet of oil impinging against the latter is sprayed into the tube. This causes an effective spray andalso a broad contact at the valve, which serve to prevent leak whenclosed, the faces being ground-true and practically without wear.
  • the air-inlet is in the lower end of the mixing-tube.- The upper end isclosed by a cap 19, the outlet to the cylinder bein at one side, as at 20.
  • the head of the tufie is en- Fig. 4 is' a top plan viewof the cover to the mixing-chamberl Fi ,5 is a vertical section on the line 5 5 of ig. 2. l
  • the device is formedin two parts or castand the valves associated ,therewith, and the other comprising the 011 vessel or chamber suspended valve v22, a-seat 23 being formed at the top of the pipe, against which the valve seats on occasion.
  • the valve consists of a brass disk faced with leather and carried on a stem 24 between two'nuts 25, the stem being supported and guided atthe. bottom by a cross-piece 26 and at the top by a socket 27in the cap.
  • the oil chamber or vessel receives a supplyof liquid fuel through the port '7 in the top, and this port is controlled b a needle-valve 8, carried by a float at practically constant level.
  • the suspended valve has the advanports are of distinctive shape, consisting of two nearly vertical or upwardly-inclined bores-connected by a downwardl -inclined bore at a right angle thereto and all declined-or angular bore. This constructionproduces a passage with two elbows, as indicated at 12, the purposeand effect of which is to cause eddies in the stream of oil flowing therethrough,'-which serve to resist orpre vent a toofree flow of- .oil through the port,
  • the passage discharges into the mixingthe tube, where it has a jam-nut 16 .to hold it vessel and mixing-tube are fitted together.
  • the port 11. being larged, as at 21, to form a chamber for the any valve or device liable .to stick or become under the valve, normally lifts the latter tion, so that the passage from themixing-tube 7 tion of the engine.
  • a carbureter having a normally open mixin -.cl1amber, an outlet therefrom, and a valve etween said chamber and the outlet,
  • a carbureter for explosive-engines having a normally open safety-valve located be tween the mixing-chamber and the outlet'to the engine-cylinder; and arranged-j-to close I under back pressure.
  • a carburetor for. explosive-engine s,'hav-- mixing tubewith a valve-chamber at the head and an outlet .to the cylinderfrorn ing a has a threaded hole 19 to receive a lu ricator, which may be screwed on.
  • a carbureter for explosive-engines having a mixing-tube with a valve-seat and chamber at the head thereof and, an outlet from the chamber, and a spring-supported disk suspended in the chamber in open position above the seat and arranged to close against the same under back pressure.
  • an oil vessel having a float-valve controlling the inlet thereto, and atubu'lar priming-pin extending through the ---t0p 10f the vessel, f orming a vent.

Description

PATENTED MAIL-12, 1907.
F. A. BRADBEER.
GARBURETER.
APPLICATION FILED JAN. 16, 1906.
2 SHEETS-SHEET 1.
i l nemen 'wamw we H1 @0026 PATENTED MAR. 12, 1907.
F. A. BRADBEER.
CARBURETER.
APPLICATION FILED JAN.16, 1906.
2 SHEET8-SHEEI 2.
amurryn naw-Mom plan view, the cover to the mixing-chamber and the valve thereunder being removed.-
'in'gs, one comprising the mixing-chamber ports 11, bored in the wall. thereof. These 5 .Be it known'that I, FRANK A: BRADBEER,
owing is a specification.
larly adapted for two-cycle engines, but ma and a float-valve and allied parts contained ,9, where y the liquid in the .chamber is held livering through another downward y-in UNITED STATES" PATENT: OFFICE.
' FRANK-A. BRADBEER, OF DETROIT, MICHIGAN.-
CA R B U E T E R Patented. March 12, 1907.
No. 846,903. Specification of Letters Patent.
Applioatibn filed January 15. 190 sin-a1 No. 296,125. I
the mixer and engine at high speed. The elbowsor tortuous passage serveto prevent the too free flow and flooding incident to ashort or straight passage when the engine is at high speed, and this construction produces the desired result without the use of To all whom, it may concern.-
a citizen of the United States, residing at Detroit, in the county of Wayne and State of Michigan, have invented new anduseful Imrovements in Carbureters, of which the fol- T s invention is a carbureter particularly adapted for supplying an' explosive mixture to an ex losion-engine. f
Thee 'ef objects of the nvention are to rovide an improved valve for preventing ack flash or blow through the carbureter from the cylinder and to provide "improved ports for supplying the gasole'ne from the oil chamberv or vessel to the mixing-pipe. The construction shown herein is particuclogged. The passage, although crooked, is ,always clear.
tube 13, the discharge being controlled by the valve 14, the stem 15 of which is threaded and extends through the opposite sideof at adjustment. The castings forming the oil and held by screws 17', the former casting having a nipple '18, which fits through a hole be applied to other kinds, if desired. I
In the accompanying drawings, Figure 1 is a vertical sectional view of the'carbureter. Fig. 2 is aside elevation. Fig. 3 is a top drilled in said nipple. The face of the nipple is flat and so is the face of the valve 14, and the jet of oil impinging against the latter is sprayed into the tube. This causes an effective spray andalso a broad contact at the valve, which serve to prevent leak whenclosed, the faces being ground-true and practically without wear. 1 v
The air-inlet is in the lower end of the mixing-tube.- The upper end isclosed by a cap 19, the outlet to the cylinder bein at one side, as at 20. The head of the tufie is en- Fig. 4 is' a top plan viewof the cover to the mixing-chamberl Fi ,5 is a vertical section on the line 5 5 of ig. 2. l
The device is formedin two parts or castand the valves associated ,therewith, and the other comprising the 011 vessel or chamber suspended valve v22, a-seat 23 being formed at the top of the pipe, against which the valve seats on occasion. The valve consists of a brass disk faced with leather and carried on a stem 24 between two'nuts 25, the stem being supported and guided atthe. bottom by a cross-piece 26 and at the top by a socket 27in the cap. A spring 28, coiled around the stem therein. I
At 6 is indicated the oil chamber or vessel. This receives a supplyof liquid fuel through the port '7 in the top, and this port is controlled b a needle-valve 8, carried by a float at practically constant level.
10 is a priming-pin, This pin is tubular,
forming a vent whenfiushing. the oil-chamj from its seat and holds it in suspended posi- -The outlet from the oil vessel consists of to the cylinder is normally clear.
en the engine takes abase or irregular explosion, which causes a back pressure, the .valve is forced toits seat against the tension of the weak spring 28. This prevents the burning gases from blowing back through the tube 13 and out into the boat, vehicle, room, or other place where the-engine is running. As soon as the back pressure is gone the valve lifts. to its original position, where it offers practically no resistance to the flow of the explosive mixture from the mixingtube. The suspended valve has the advanports are of distinctive shape, consisting of two nearly vertical or upwardly-inclined bores-connected by a downwardl -inclined bore at a right angle thereto and all declined-or angular bore. This constructionproduces a passage with two elbows, as indicated at 12, the purposeand effect of which is to cause eddies in the stream of oil flowing therethrough,'-which serve to resist orpre vent a toofree flow of- .oil through the port,
and consequently to prevent flooding. of
The passage discharges into the mixingthe tube, where it has a jam-nut 16 .to hold it vessel and mixing-tube are fitted together.
at the side of the tube, the port 11. being larged, as at 21, to form a chamber for the any valve or device liable .to stick or become under the valve, normally lifts the latter tion, so that the passage from themixing-tube 7 tion of the engine.
The ca 19 I claim 1. A carbureter having a normally open mixin -.cl1amber, an outlet therefrom, and a valve etween said chamber and the outlet,
arranged to close under back pressure.
2. A carbureter for explosive-engines having a normally open safety-valve located be tween the mixing-chamber and the outlet'to the engine-cylinder; and arranged-j-to close I under back pressure. I
a v 3.. A carburetor for. explosive-engine s,'hav-- mixing tubewith a valve-chamber at the head and an outlet .to the cylinderfrorn ing a has a threaded hole 19 to receive a lu ricator, which may be screwed on.
said chamber, and a suspended normally 0 en valve insaid chamber arranged to close 25 t e mixing-tube under back pressure from the cylinder. 1
4. A carbureter for explosive-engines having a mixing-tube with a valve-seat and chamber at the head thereof and, an outlet from the chamber, and a spring-supported disk suspended in the chamber in open position above the seat and arranged to close against the same under back pressure.
5. In a carbureter, an oil vessel having a float-valve controlling the inlet thereto, and atubu'lar priming-pin extending through the ---t0p 10f the vessel, f orming a vent.
'In testimony whereof I have signed my two subscribing Witnesses.
FRANK A. BRADBEER. Witnesses: ELIZABETH'J. PRIoE,
JESSIE GoRDoN.
name to this specification in the presence of c
US29612506A 1906-01-15 1906-01-15 Carbureter. Expired - Lifetime US846903A (en)

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