US1661943A - Air-control device for carburetors - Google Patents

Air-control device for carburetors Download PDF

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Publication number
US1661943A
US1661943A US603651A US60365122A US1661943A US 1661943 A US1661943 A US 1661943A US 603651 A US603651 A US 603651A US 60365122 A US60365122 A US 60365122A US 1661943 A US1661943 A US 1661943A
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Prior art keywords
air
control device
carburetors
valve
tube
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US603651A
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Jr John Boyd Hayes
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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
    • F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
    • F02M9/12—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having other specific means for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers

Definitions

  • This invention relates to an improved cal'- buretor, a general object of the invention being to simplify the construction and to provide means whereby the gas is thoroughly mixed with the air. Another object et the invention is to provide an air supply which is particularly controlled by the speed or' the motor.
  • FIGS 2 and 3 are detail views.
  • Inthese views 1 indicates the float chamber which contains the float 2 and Which is connected with a Vsource oit' supply in the ordinary manner.
  • the bored extension 3 ot the body oi the carburetor passes through the center of the float chamber, the upper end of the bore 3 open out in the air chamber 4f.
  • a valve seat 5 is formed at the upper end of the bore 3 and this seat is engaged by the needle valve 6.
  • the extension 3 provided With a pair of ports 7 which permit the gasoline in the float chamber to pass into the bore.
  • the air Chamber i is in communi-V cation With the air inlet 8 and after passing through the passage 9 the mixture will flow through the outlet passage 10 which contains the butterfly valve 11.
  • the ez-zte1ision 3 has its upper end forming afconical depression and a conical partition 4J, connected with the top of the body, depends into the said depression and the space between the Walls of the depression and the partition forms the air chamber f1.
  • This partition also separates the air inlet 8 from 'the outlet passage 10.
  • a tube 12 is arranged in the front part ot the partition near the top thereoi" and has one end in communication With the inlet Sand its other end in .communication 'with the passage 10.
  • valve bloei; 13 is arranged in the tube and this valve is pressed'upon the pin 14C by a spring 15.
  • the tube is provided With pert'orations 16 so that when the suction of the engine causes the block to move inward ly against the action of the spring some of the perforations will be uncovered and thus some of the air Will pass directly into the passage 10 from the inlet 8. y
  • valve block 13 will depend on the speed of the engine so that the greater the speed of the engine the more air will flow into the passage stem.
  • a sereiv plug 17 crosses the end of the bore 3 so as to permitthe cleaning of the same.
  • a partition separating the air inlet of the carburetor from the mixing chamber thereof, a perforated tube in the top part oi the partition and forming a direct connection between the air inlet land the outlet, the end ofthe tube, tovvard the air inlet being open and its other end closed, a plug valve closing the open end and adapted to be moved inwardly by the suction created by the engine to expose some of the'perforations in the tube, a coil spring ⁇ in the tubey and a pin in the open end oi the tube and against which the spring holds the valve.

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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

March 6, 192s. 1,661,943
Y J. B. HAYES, JR
AIR CONTROL DEVICE FOR GARBURETORS Filed Nw. 27. 1922 INVENTOR ATTORNEY WITNESS: y
Patented Mar. `6, 1928.
UNITED srariazsxl JOHN BOYD HAYES, JR., OF PEGRAM, TENNESSEE..
AIR-CONTROL DEVICE FOR CARBURETOBS.
Application led November 27, 1922. Serial No. 603,651.
This invention relates to an improved cal'- buretor, a general object of the invention being to simplify the construction and to provide means whereby the gas is thoroughly mixed with the air. Another object et the invention is to provide an air supply which is particularly controlled by the speed or' the motor.
This invention also consists in certain other features of construction and in the combination and arrangement oi the several parts, to be hereinafter fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claim.
In describing my invent-ion in detail reinen ence will be had to the accompanying drawings wherein like characters of reterence denote like or corresponding parts in the Several views, and in Whichz- In the drawings Figure 1 is a longitudinal section View of the invention.
Figures 2 and 3 are detail views.
Inthese views 1 indicates the float chamber which contains the float 2 and Which is connected with a Vsource oit' supply in the ordinary manner. The bored extension 3 ot the body oi the carburetor passes through the center of the float chamber, the upper end of the bore 3 open out in the air chamber 4f. A valve seat 5 is formed at the upper end of the bore 3 and this seat is engaged by the needle valve 6. The extension 3 provided With a pair of ports 7 which permit the gasoline in the float chamber to pass into the bore. The air Chamber i is in communi-V cation With the air inlet 8 and after passing through the passage 9 the mixture will flow through the outlet passage 10 which contains the butterfly valve 11. The ez-zte1ision 3 has its upper end forming afconical depression and a conical partition 4J, connected with the top of the body, depends into the said depression and the space between the Walls of the depression and the partition forms the air chamber f1. This partition also separates the air inlet 8 from 'the outlet passage 10. A tube 12 is arranged in the front part ot the partition near the top thereoi" and has one end in communication With the inlet Sand its other end in .communication 'with the passage 10. valve bloei; 13 is arranged in the tube and this valve is pressed'upon the pin 14C by a spring 15. The tube is provided With pert'orations 16 so that when the suction of the engine causes the block to move inward ly against the action of the spring some of the perforations will be uncovered and thus some of the air Will pass directly into the passage 10 from the inlet 8. y
It will be seen that this movement of the valve block 13 will depend on the speed of the engine so that the greater the speed of the engine the more air will flow into the passage stem. A sereiv plug 17 crosses the end of the bore 3 so as to permitthe cleaning of the same.
It is thought from the foregoing description that the advantages and novel features of my invention will be readily apparent.
I desire it to be understood that I may make changes in the construction and inthe combination and arrangement of the several parts, provided that such changes fall Within thek scope of the appended claim.
`What I claim isc- In a carburetor', a partition separating the air inlet of the carburetor from the mixing chamber thereof, a perforated tube in the top part oi the partition and forming a direct connection between the air inlet land the outlet, the end ofthe tube, tovvard the air inlet being open and its other end closed, a plug valve closing the open end and adapted to be moved inwardly by the suction created by the engine to expose some of the'perforations in the tube, a coil spring` in the tubey and a pin in the open end oi the tube and against which the spring holds the valve.
In testimony whereof I affix my signature.
JOHN BOYD HAYES, Jn.
US603651A 1922-11-27 1922-11-27 Air-control device for carburetors Expired - Lifetime US1661943A (en)

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US603651A US1661943A (en) 1922-11-27 1922-11-27 Air-control device for carburetors

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Application Number Priority Date Filing Date Title
US603651A US1661943A (en) 1922-11-27 1922-11-27 Air-control device for carburetors

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US1661943A true US1661943A (en) 1928-03-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419956A (en) * 1942-09-04 1947-05-06 William R Kuzelka Carbureting and fuel supply means for motor-driven vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419956A (en) * 1942-09-04 1947-05-06 William R Kuzelka Carbureting and fuel supply means for motor-driven vehicles

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