US1514816A - Fluid valve thermoresponsively controlled - Google Patents

Fluid valve thermoresponsively controlled Download PDF

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Publication number
US1514816A
US1514816A US577507A US57750722A US1514816A US 1514816 A US1514816 A US 1514816A US 577507 A US577507 A US 577507A US 57750722 A US57750722 A US 57750722A US 1514816 A US1514816 A US 1514816A
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needle
bushing
controlled
thermoresponsively
fluid valve
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US577507A
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Raymond M Anderson
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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

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  • ANDER- SON a citizen of the United States, residing at 8650 Goethe Street, Detroit, in the county of Wayne and State of Michigan, have invented certain new and useful Improvements in Fluid Valves Thermoresponsively Controlled, of which the following is a specification.
  • thermoresponsive means being especially adapted to regulate the fuel supply to an internal combustion engine so that the 'fuel supply may be regulated to correspond with the temperature changes of the air surrounding the carbureter which supplies the explosive mixture to the internal combustion engine.
  • Figure I shows a sectional elevation of the preferred construction. 7
  • Figure II shows a view of the thermoresponsive element itself
  • FIG. 1 is the needle valve controlling the fluid outlet 2 by means of the taper point 12.
  • the needle is threaded into a bushing 3 which is p'rovidedrwith two circumferential slots 4: and 5. This bushing slides in a assage 6 drilled in the piece 7.
  • the piece -7 is provided with a slot 8 into which fits the thermoresponsive element 9, and this thermoresponsive element also enages the bushing 3 inthe slot 4.
  • the piece I is screwed into the body of the carbureter 10.
  • a pin 11 is provided in the piece .7 and this pin 11 is inserted after the bushing 3 is assembled in the piece 7 the pin 11 passing by the slot 5.
  • thermoresponsive ele- .ment 9 is then snapped into place, the end which engages with the slot 4 of piece 3 being suitably formed as shown in Figure II.
  • the needle is then'threaded-into the bushing 3, (usually two or three difierentneedles are tried having different tapers at the end 12).
  • the opening 2 is made so small that the responsive element 9 will raise the needle 1 clear out of the opening 2 so that the diameter of 2 constitutes the maximum fluid opening, the adjustment of the needle taper 12, when it first enters the opening 2 is too fine and when the needle has entered the ratio of restriction increases too rapidly.
  • the slot 5 and the pin 11 By using the slot 5 and the pin 11 and thus limiting the travel of the needle 1 in both directions it is possible to use a larger opening 2 and secure the control of the liquid fuel, by means of ataper which is practically proportional to the needle movement over that portion of the cone 12 which is operative to control the fuel opening 2.
  • the needle 1 is provided with a slot 13 in its upper end so that the relationship of the needle 1 and the opening 2 can be regulated through the adjustment of the needle 1 in the bushing 3.
  • a valve seat a moveable needle valve, 21 bushing in which said needle valve is adjust-able, a stop limiting the travel of the bushing in both directions, a U shaped thermoresponsive element, one leg engaging with the needle valve by means of the bushing, the other being locked in a stationary position with reference to said valve seat.
  • a valve seat a moveable needle vah'e having a threaded portion on the stem thereof, a bushing threaded on said needle valve, a stationary passage in which said bushing slides, a stop limiting the movement of said bushing in both directions in said stationary passage, a U shaped thermoresponsive element, one leg of which engages with the said bushing, the other leg is stationary with reference to said valve seat.

Description

Nov. 11 1924. 1,514,816
R. M. ANDERSON FLUID VALVE THERMORESPONSIVELY CONTROLLED Filed July 26, 1922 FEGJE AT'TORNEY.
I Be it. known that I, RAYMOND Patented Nov. 11, 1924.
UNITED STATES 514,816 PATENT OFFICE.
' RAYMOND M. ANDERSON, O'F DETROIT, MICHIGAN, ASSIGNOR TO GEORGE M. HOLLEY,
OF DETROIT, MICHIGAN.
FLUID VALVE *THERMORESPONSIVEI.Y CONTROLLED.
Application filed July 26, 1922. Serial No. 577,507.
To all wlwm it, may-concern. 1
ANDER- SON, a citizen of the United States, residing at 8650 Goethe Street, Detroit, in the county of Wayne and State of Michigan, have invented certain new and useful Improvements in Fluid Valves Thermoresponsively Controlled, of which the following is a specification.
I have invented certain new and useful improvements in fluid valves thermoresponsively controlled.
This invention relates to means for controlling the flow of liquids, the said thermoresponsive means being especially adapted to regulate the fuel supply to an internal combustion engine so that the 'fuel supply may be regulated to correspond with the temperature changes of the air surrounding the carbureter which supplies the explosive mixture to the internal combustion engine.
Figure I shows a sectional elevation of the preferred construction. 7
Figure II shows a view of the thermoresponsive element itself;
In Figure I, 1 is the needle valve controlling the fluid outlet 2 by means of the taper point 12. The needle is threaded into a bushing 3 which is p'rovidedrwith two circumferential slots 4: and 5. This bushing slides in a assage 6 drilled in the piece 7.
The piece -7 is provided with a slot 8 into which fits the thermoresponsive element 9, and this thermoresponsive element also enages the bushing 3 inthe slot 4. The piece I is screwed into the body of the carbureter 10. A pin 11 is provided in the piece .7 and this pin 11 is inserted after the bushing 3 is assembled in the piece 7 the pin 11 passing by the slot 5.
Operation and adjustment -The piece 3 is assembled in the piece 7 and the pin 11 located in place. The thermoresponsive ele- .ment 9 is then snapped into place, the end which engages with the slot 4 of piece 3 being suitably formed as shown in Figure II. The needle is then'threaded-into the bushing 3, (usually two or three difierentneedles are tried having different tapers at the end 12).
'By providing the pin 11 and thus limiting the travel of the needle 1 when the temperature responsive element 9 is heated or cooled the following disadvantage is overcome. If
the opening 2 is made so small that the responsive element 9 will raise the needle 1 clear out of the opening 2 so that the diameter of 2 constitutes the maximum fluid opening, the adjustment of the needle taper 12, when it first enters the opening 2 is too fine and when the needle has entered the ratio of restriction increases too rapidly.
By using the slot 5 and the pin 11 and thus limiting the travel of the needle 1 in both directions it is possible to use a larger opening 2 and secure the control of the liquid fuel, by means of ataper which is practically proportional to the needle movement over that portion of the cone 12 which is operative to control the fuel opening 2. The needle 1 is provided with a slot 13 in its upper end so that the relationship of the needle 1 and the opening 2 can be regulated through the adjustment of the needle 1 in the bushing 3.
In order that a definite adjustment may 'b given to the needle 1 regardless of the position of the thermoresponsive element 9 the adjustment of the needle 1 is given as so many turns from the position at which the bushing 3 seats on the underside of the pin 11'. thereby giving a definite maximum opening to the needle when the temperature is low and the thermoresponsive element 9 is in its wide open position.
IVhat I claim is:
1. A valve seat, a moveable needle valve, 21 bushing in which said needle valve is adjust-able, a stop limiting the travel of the bushing in both directions, a U shaped thermoresponsive element, one leg engaging with the needle valve by means of the bushing, the other being locked in a stationary position with reference to said valve seat.
2. A valve seat. a moveable needle vah'e having a threaded portion on the stem thereof, a bushing threaded on said needle valve, a stationary passage in which said bushing slides, a stop limiting the movement of said bushing in both directions in said stationary passage, a U shaped thermoresponsive element, one leg of which engages with the said bushing, the other leg is stationary with reference to said valve seat.
In testimony whereof I afiix my signature.
RAYMOND M. ANDERSON.
US577507A 1922-07-26 1922-07-26 Fluid valve thermoresponsively controlled Expired - Lifetime US1514816A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426620A (en) * 1943-08-23 1947-09-02 Sunbeam Corp Temperature responsive control mechanism
US2444130A (en) * 1944-06-17 1948-06-29 Matthew R Crowe Combined pressure and temperature relief valve
US2710212A (en) * 1953-08-20 1955-06-07 Langenau Mfg Co Latch
US4998878A (en) * 1988-05-10 1991-03-12 Hunter Manufacturing Company Fuel control system for a burner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426620A (en) * 1943-08-23 1947-09-02 Sunbeam Corp Temperature responsive control mechanism
US2444130A (en) * 1944-06-17 1948-06-29 Matthew R Crowe Combined pressure and temperature relief valve
US2710212A (en) * 1953-08-20 1955-06-07 Langenau Mfg Co Latch
US4998878A (en) * 1988-05-10 1991-03-12 Hunter Manufacturing Company Fuel control system for a burner

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