US1180379A - Carbureter. - Google Patents

Carbureter. Download PDF

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Publication number
US1180379A
US1180379A US1910595096A US1180379A US 1180379 A US1180379 A US 1180379A US 1910595096 A US1910595096 A US 1910595096A US 1180379 A US1180379 A US 1180379A
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US
United States
Prior art keywords
valve
engine
spring
air inlet
auxiliary air
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
Application number
Inventor
James M Dayton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EXCELSIOR NEEDLE Co
Original Assignee
EXCELSIOR NEEDLE Co
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by EXCELSIOR NEEDLE Co filed Critical EXCELSIOR NEEDLE Co
Priority to US1910595096 priority Critical patent/US1180379A/en
Application granted granted Critical
Publication of US1180379A publication Critical patent/US1180379A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M23/00—Apparatus for adding secondary air to fuel-air mixture
    • F02M23/04—Apparatus for adding secondary air to fuel-air mixture with automatic control
    • F02M23/08—Apparatus for adding secondary air to fuel-air mixture with automatic control dependent on pressure in main combustion-air induction system, e.g. pneumatic-type apparatus
    • F02M23/09—Apparatus for adding secondary air to fuel-air mixture with automatic control dependent on pressure in main combustion-air induction system, e.g. pneumatic-type apparatus using valves directly opened by low pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased

Definitions

  • the invention relates to new and useful improvements in carbureters, and more espemay to carbureters which are provided with a main air inletand an auxiliary air ing drawing, and to the letters and figures inlet, which is normally held *closedfby I I ment of the spring for controlling the valve means of a spring.
  • An object of the invention is to provide a carbureter of the above character with means independent of the mechanism for holding the valve for the auxiliary air inlet closed, which means operates upon the valve to close the same while starting the engine.
  • Figure 1 is, a sectional view through a carbureter, showing my improvement applied thereto.
  • Fig. 2 is a sectional view across the auxiliary air inlet showing the means for holding the valve for said inlet closed.
  • Fig. 3 is a detail in section, showing the locking device for the controlling lever.
  • Fig. 4 is a detail showing in plan a spring mechanism for controlling, the auxiliar valve.
  • the carburetor as shown in the draw ings consists of amain body portion 1 which is provided with a U-shaped passage :2 leading from themain air intake 3, to the auxiliary air, inlet a.
  • -A fuel nozzle 5 projects into the U-shaped passage 2 at the lower portion thereof, and is controlled by a suitable needle valve 6.
  • the fuel mixed with the air is [conveyed through the passage 7 tothe engine.
  • a suitable throttleS may be provided for controlling the supply of mixture to the engine.
  • the auxiliary air inlet i is closed by a valve 9 mounted on'a stem 10 which reciprocates'in bearings 11' and 12.
  • the outer end of the stem 11 is engaged by a suitable spring controlled mechanism which normally, holds said auxiliary air inlet valve closed.
  • said spring controlling mechanism consists of a rod 20 which bears against the end of the stem 10 connected with the auxil- DAYTON,
  • This rod 20 carries a spiral thread which meshes witha pinion 21.
  • the p1nion'21 is connected with the gear 22, and the gear 22 lnturn meshes with a pinion on thearbor which rotated by the spiral spring
  • the spiral spring through the I connecting gears operates to normally close the auxiliary valve 9. [Said spring however, isso placed under proper tension as to allow "the auxiliary airinletvalve'to open under the suction of the engine in'the usual manner in this type of c'arbureter.
  • Theshaft'13 is freeto move longitudinally in its bearings and a spring '16 bearing against the casing at one end, and against a shoulder 17 on the shaft at its other end, normally forces said shaft upwardly as viewed in Fig. 1.
  • a ball stud 18 mounted in a recess or pocket in the casing is a ball stud 18, also mounted in a recess formed inan extension to the arm 15 is a second ball stud 19. These two ball studs are so positioned as to cotiperate with each other in holding the arm 15 either in a position so that the arm 14 rests against the valve 9, or in a position wherein said arm 1 1 is held entirely free of said valve.
  • the spring 16 will yield to allow the ball studs to slip one over the other.
  • the lever 15 is swung so as to bring the arm 14; into contact with the valve 9, which will close the valve and hold the same against its seat so that the suction stroke oi the engine during the cranking will not open the valve.
  • the entire supply of air for the carbureter is drawn through the main air inlet and across the fuel nozzl which will increase the richness of the mixture and thus aid greatly in the starting of the engine.
  • the arm 15 may be manually swung in the opposite direction, and the valve 9 released so that it may operate in the normal manner.
  • a carbureter including in combination, a fuel nozzle, a main air inlet, an auxiliary air inlet, a valve for controlling said auxiliary air inlet, manually operated devices for holding said auxiliary air inlet valve closed against movement under the suction stroke of the engine, and means for locking said manuallyoperated devices with said valve in closed position.

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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)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Description

J. M/DAYTON.
CARBURETER.
APPLICATION FILED DEC. 1. 1910.
Patented Apr. 25, 191.6. 5
\ &
a -J7 3 16 I To all whom it may concern i UNITED, STATESPAT NT o FIoE,
JAMES M. DAYTON, oE'roRRINe'roN, CONNECTICUT. AssrsNoR To ExoELsroR NEEDLE ooMrANinoF TORRINGTON, CONNECTICUT, A- CORPORATION or CONNECTICUT.
oAEBUn 'rEE. 1
5 Application filed Decemberl; 1910.
'Be it known that 1, JAMES M. a citizen of the United States, residing at l,orrington, in the county of .Litchfield,
1 State of- Oonnecticut, have invented certain new and useful Improvements in Garbureters, of which the following is a descrip t'ion, reference beinghad to the accompany-f,
of reference marked thereon. I
The invention relates to new and useful improvements in carbureters, and more espemay to carbureters which are provided with a main air inletand an auxiliary air ing drawing, and to the letters and figures inlet, which is normally held *closedfby I I ment of the spring for controlling the valve means of a spring.
An object of the invention is to provide a carbureter of the above character with means independent of the mechanism for holding the valve for the auxiliary air inlet closed, which means operates upon the valve to close the same while starting the engine.
In the. drawings which show by way of illustration one embodiment of the inven tion; Figure 1 is, a sectional view through a carbureter, showing my improvement applied thereto. Fig. 2 is a sectional view across the auxiliary air inlet showing the means for holding the valve for said inlet closed. Fig. 3 is a detail in section, showing the locking device for the controlling lever.
Fig. 4: is a detail showing in plan a spring mechanism for controlling, the auxiliar valve.
The carburetor as shown in the draw ings, consists of amain body portion 1 which is provided with a U-shaped passage :2 leading from themain air intake 3, to the auxiliary air, inlet a. -A fuel nozzle 5 projects into the U-shaped passage 2 at the lower portion thereof, and is controlled by a suitable needle valve 6. f The fuel mixed with the air is [conveyed through the passage 7 tothe engine. A suitable throttleS may be provided for controlling the supply of mixture to the engine. The auxiliary air inlet i is closed by a valve 9 mounted on'a stem 10 which reciprocates'in bearings 11' and 12. The outer end of the stem 11 is engaged by a suitable spring controlled mechanism which normally, holds said auxiliary air inlet valve closed. As herein illustrated, said spring controlling mechanism consists ofa rod 20 which bears against the end of the stem 10 connected with the auxil- DAYTON,
1 f Patented A ea, 1916.
i Serial No. 595,086.
iary valve 9. This rod 20 carries a spiral thread which meshes witha pinion 21. The p1nion'21 is connected with the gear 22, and the gear 22 lnturn meshes with a pinion on thearbor which rotated by the spiral spring The spiral spring through the I connecting gears operates to normally close the auxiliary valve 9. [Said spring however, isso placed under proper tension as to allow "the auxiliary airinletvalve'to open under the suction of the engine in'the usual manner in this type of c'arbureter.
'. It is -found in practice thatwhen the auxiliary air I inlet valve is under light spring tension, which is the'properadjustwhen the engine is in normal action, that the suctionof the motor will open the valve and the mixture will be tooweak to start the motor by cranking. It is preferable to have the mixture at the starting'of the a. laterally deflected portion forming an arm 14, which when swung to the position shown in Fig. ,1, bears against the inner face of the valve for the auxiliary air inlet and will force the sameagainst the seat for the valve and hold the same closed against the force of the, suction j stroke of the engine, tend ng to open the same; Said shaft at its lower end carries an arm 15 which may be connected by any suitable mechanism so as to be conveniently controlled manually.
Theshaft'13 is freeto move longitudinally in its bearings and a spring '16 bearing against the casing at one end, and against a shoulder 17 on the shaft at its other end, normally forces said shaft upwardly as viewed in Fig. 1.
Mounted in a recess or pocket in the casing is a ball stud 18, also mounted in a recess formed inan extension to the arm 15 is a second ball stud 19. These two ball studs are so positioned as to cotiperate with each other in holding the arm 15 either in a position so that the arm 14 rests against the valve 9, or in a position wherein said arm 1 1 is held entirely free of said valve.
The spring 16 will yield to allow the ball studs to slip one over the other.
In the operation of my device, when it is desired to start the engine, the lever 15 is swung so as to bring the arm 14; into contact with the valve 9, which will close the valve and hold the same against its seat so that the suction stroke oi the engine during the cranking will not open the valve. The entire supply of air for the carbureter is drawn through the main air inlet and across the fuel nozzl which will increase the richness of the mixture and thus aid greatly in the starting of the engine. As scenes the engine starts, the arm 15 may be manually swung in the opposite direction, and the valve 9 released so that it may operate in the normal manner.
lVhile I have shown my improvement as the details of construction of my device and the arrangements of parts may be made without departing from the spirit of my in vention as set forth in the appended claim.
Having thus particularly described my invention, what 1 claim as new and desire to secure by Letters Patent, is
A carbureter including in combination, a fuel nozzle, a main air inlet, an auxiliary air inlet, a valve for controlling said auxiliary air inlet, manually operated devices for holding said auxiliary air inlet valve closed against movement under the suction stroke of the engine, and means for locking said manuallyoperated devices with said valve in closed position.
In testimony whereof I afiix my signature,
in presence of two witnesses.
JAMES M. DAYTON.
Witnesses D. HILDRETH, CHAS. M. HIBBARD.
Copies of this patent may be obtaine cl ipri five cents each, by addressing the Commissioner or Patents, Washington, D. O.
US1910595096 1910-12-01 1910-12-01 Carbureter. Expired - Lifetime US1180379A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5855225A (en) * 1998-01-29 1999-01-05 Williams, Iii; James W. Tank transport pressure relief valve assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5855225A (en) * 1998-01-29 1999-01-05 Williams, Iii; James W. Tank transport pressure relief valve assembly

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