US1442511A - Vacuum tank for carburetors - Google Patents
Vacuum tank for carburetors Download PDFInfo
- Publication number
- US1442511A US1442511A US458850A US45885021A US1442511A US 1442511 A US1442511 A US 1442511A US 458850 A US458850 A US 458850A US 45885021 A US45885021 A US 45885021A US 1442511 A US1442511 A US 1442511A
- Authority
- US
- United States
- Prior art keywords
- chamber
- float
- fuel
- vacuum
- valve
- 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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/02—Feeding by means of suction apparatus, e.g. by air flow through carburettors
Definitions
- This invention relates to a new and improved vacuum tank which is primarily designed to be used in connection with a carburetor for int-ernal combustion engines.
- rEhe object of the invention is generally to so construct a tank of this kind that the gasoline or other liquid fuel will be fed uniformly to the float chamber of the carburetor while the engine is running.
- a further object of the invention is to provide a vacuum chamber in which the fuel is prevented from feeding into the float chamber when the engine is stopped, and thereby flooding the carburetor.
- the numeral 1 designates the float chamber which is connected in the usual manner to the mixing chamber 2 of the carburetor, the usual drain cock 8, being provided in the bottom of the float chamber.
- the fuel is fed into the float chamber 1 through the inlet opening t, the lower end of which is controlled by the conical valve 5 which is operated by a fioat 6.
- U-shaped strap 7 is attached to the cover of the float chainber, and supports the float 6 which has a stem 8 slidably mounted in thc horizontal portion of the strap.
- the cover of the float chamber in the. present instance made as an integral part of the vacuum tank 9, which is in turn provided with a cover 10.
- the interior of the tank is normally in communication with the vacuum pump through the passageway 11, and as the pump is operated to produce a vacuum, the fuel is drawn in through the inlet 12.
- the fuel in the tank 9 is main- 1921. serial No. 458,850.
- the float 13 which is carried by a stem 14 which projects downwardly, and has a conical valve 15 which seats on the mouth of the opening i which leads into the chamber 1.
- a stem 16 Projecting upwardly lfrom the float 1.5i, is a stem 16 which is provided with a conic al surface 17, adapted under certain conditions, to close the passageway 11 leading to the vacuum chamber.
- the stem 16 is also provided with a reduced end portion 18 which cooperates with the ball valve 19 to put the vacuum chamber into commuication with ⁇ the atmosphere through the port Means are provided, as shown at 21, for adjusting the length of the stem which carries the iioat 13. lt will be noted that the chamber 1 is normally closed to the atmosphere except for a small bleed hole 22.
- a carburetor In a carburetor, a 'float chamber, a float therein, a vacuum tanlrF-haviugha walll 'close ing said float chamber and provided with an aperture having two valve seats, a valve operated by said oat and cooperating with one of said valve seats, a float in said vacuum chamber, a valve operated by said lust mentionedloet and cooperating with the other of said valve seats, and means actuated by said last mentioned float for controlling the pressure in said vacuum tank.
- a container having an upper and fa'lower compartment separated by a dividing wall provided with an aperture therethrough, a float mounted within the lower co1npartment, ⁇ a valvemeansV operated by said ioat for controlling the flow of fuel through said aperture, Vacuum and fuel supply Lineans Acon'nnunicating with the upper compartment, a Hoat mounted in the upper Vcompartment and having upwardly and downwardly projecting spindles7 Valve members carried adjacent the upper and lower portions ⁇ of said spindles and respectively controllingthe vacuum means and the flou of fuel through said aperture.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Description
Jan., i6, 1923. 3,442,513
W. E. ALMES. VACUUM TANK FOR CARBuREToRs. FILED APR.5.1921.
Patented Jan. 16, 1923.
WILLIAIiT E. ALMES, OF RACINE, WISCONSIIL VACUUM TANK FOR CARBURETORS.
Application filed April 5,
To all 1071071@ t muy cof/merit.'
Be it known that l, YILLIAM E. Anims, a citizen of the United States, and resident ci" Racine, in the county of Racine and State of liyisconsin, have invented certain new and useful Improvements in `Vacuum Tanks for Carburetors; and I do hereby declare that the following is a full, clear, and exact description thereof.
This invention relates to a new and improved vacuum tank which is primarily designed to be used in connection with a carburetor for int-ernal combustion engines.
rEhe object of the invention is generally to so construct a tank of this kind that the gasoline or other liquid fuel will be fed uniformly to the float chamber of the carburetor while the engine is running.
A further object of the invention is to provide a vacuum chamber in which the fuel is prevented from feeding into the float chamber when the engine is stopped, and thereby flooding the carburetor.
Vith the above and other objects in view, which will be apparent from the foregoing description, my invention resides in the details of construction which are shown in the accompanying drawing, the single ligure of which represents a vertical sectional view through the float chamber and the vacuum tank attached thereto.
Referring in detail to the drawing, the numeral 1 designates the float chamber which is connected in the usual manner to the mixing chamber 2 of the carburetor, the usual drain cock 8, being provided in the bottom of the float chamber. The fuel is fed into the float chamber 1 through the inlet opening t, the lower end of which is controlled by the conical valve 5 which is operated by a fioat 6. A. U-shaped strap 7 is attached to the cover of the float chainber, and supports the float 6 which has a stem 8 slidably mounted in thc horizontal portion of the strap.
The cover of the float chamber in the. present instance made as an integral part of the vacuum tank 9, which is in turn provided with a cover 10. The interior of the tank is normally in communication with the vacuum pump through the passageway 11, and as the pump is operated to produce a vacuum, the fuel is drawn in through the inlet 12. The fuel in the tank 9 is main- 1921. serial No. 458,850.
tained at subsequently constant level by the float 13, which is carried by a stem 14 which projects downwardly, and has a conical valve 15 which seats on the mouth of the opening i which leads into the chamber 1.
Projecting upwardly lfrom the float 1.5i, is a stem 16 which is provided with a conic al surface 17, adapted under certain conditions, to close the passageway 11 leading to the vacuum chamber. The stem 16 is also provided with a reduced end portion 18 which cooperates with the ball valve 19 to put the vacuum chamber into commuication with `the atmosphere through the port Means are provided, as shown at 21, for adjusting the length of the stem which carries the iioat 13. lt will be noted that the chamber 1 is normally closed to the atmosphere except for a small bleed hole 22.
Star ing with the parts in the position shown in the drawing, when the engine is started a partial vacuum will be created in the chamber' 9 which will draw the fuel in through the inlet 12, raising the float 13 until the conical surface 17 closes the passageway 11 and simultaneously the'reduced portion 18 raises the ball valve 19 to admit atmosphere through the port :2O into the tank1 This stops the flowV of fuel into the tank 9, and at the same time raises the valve 15 to admit fuel through the opening 4i into the iioat chamber 1. The fuel thereupon runs into the chamber 1 by gravity until the float 6 and valve 5 are raised to cut oft"Y the flow of fuel.
As soon as the fuel commences to run from the tank 9, to the chamber 1, the level of the fuel in the tank is lowered thereby closing the valve 19 and opening the passageway 11 whereupon the vacuum again comes into operation. lVhen the engine stops ruiming, the iioat 13 will immediately be lowered and the valve 15 will close the opening 4 and prevent any more fuel from leaking into the iioat chamber 1, and thereby caiising the carburetor to become flooded.
From the foregoing description it will be seen that I have constructed a vacuum tank by which the flow of fuel into the float chamber will be uniform and constant under all conditions.
Vhile I have shown and described one specific form in which my invention may be embodied, it will be understood that many modications may be made within the scope of what is claimed without departing from the spirit of the invention.
claim:
l. In a carburetor, a 'float chamber, a float therein, a vacuum tanlrF-haviugha walll 'close ing said float chamber and provided with an aperture having two valve seats,a valve operated by said oat and cooperating with one of said valve seats, a float in said vacuum chamber, a valve operated by said lust mentionedloet and cooperating with the other of said valve seats, and means actuated by said last mentioned float for controlling the pressure in said vacuum tank.
2. In a carburetor, a container having an upper and fa'lower compartment separated by a dividing wall provided with an aperture therethrough, a float mounted within the lower co1npartment,` a valvemeansV operated by said ioat for controlling the flow of fuel through said aperture, Vacuum and fuel supply Lineans Acon'nnunicating with the upper compartment, a Hoat mounted in the upper Vcompartment and having upwardly and downwardly projecting spindles7 Valve members carried adjacent the upper and lower portions` of said spindles and respectively controllingthe vacuum means and the flou of fuel through said aperture.'
ln testimony that I claim the foregoing have hereunto set my hand'at Rcine, in the county of Racine and State ot 'Wisconsilr' VILLIAM E. ALMES.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US458850A US1442511A (en) | 1921-04-05 | 1921-04-05 | Vacuum tank for carburetors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US458850A US1442511A (en) | 1921-04-05 | 1921-04-05 | Vacuum tank for carburetors |
Publications (1)
Publication Number | Publication Date |
---|---|
US1442511A true US1442511A (en) | 1923-01-16 |
Family
ID=23822337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US458850A Expired - Lifetime US1442511A (en) | 1921-04-05 | 1921-04-05 | Vacuum tank for carburetors |
Country Status (1)
Country | Link |
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US (1) | US1442511A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2730388A (en) * | 1950-09-23 | 1956-01-10 | Frederic A Roberton | Detachable joint construction |
-
1921
- 1921-04-05 US US458850A patent/US1442511A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2730388A (en) * | 1950-09-23 | 1956-01-10 | Frederic A Roberton | Detachable joint construction |
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