US2094555A - Automatic fuel interrupting device for explosion engines - Google Patents

Automatic fuel interrupting device for explosion engines Download PDF

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Publication number
US2094555A
US2094555A US68754A US6875436A US2094555A US 2094555 A US2094555 A US 2094555A US 68754 A US68754 A US 68754A US 6875436 A US6875436 A US 6875436A US 2094555 A US2094555 A US 2094555A
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Prior art keywords
chamber
interrupting device
fuel
explosion engines
automatic fuel
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Expired - Lifetime
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US68754A
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Hilvety George Carol Schue Von
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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
    • F02M3/00—Idling devices for carburettors
    • F02M3/02—Preventing flow of idling fuel
    • F02M3/04—Preventing flow of idling fuel under conditions where engine is driven instead of driving, e.g. driven by vehicle running down hill
    • F02M3/05—Pneumatic or mechanical control, e.g. with speed regulation
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/19—Degassers

Definitions

  • themembrane 2 and the valve I I return to their idle position, while at the same time the spring 40 carries the membranes 32 and I6 to their idle positions, the passage of fuel to the idling jet being again established.
  • the conduit I3 allows the return of the membrane I6 to its idle position.
  • the lamp 24, arranged on the dashboard, will indicate to the driver that said interruption has been effected.
  • the driver may regulate the device so as to effect the interruption at a determined vacuum. And should the end of said screw be sufficiently separated from the valve II, the interrupting devices are placed out of operation.
  • the device illustrated in Figure 2 consists of the same elements corresponding to the chamber C. This figure also shows the manner of adapting the interrupter to one type of carbureter.
  • the screw 33 of Figure 1 is also provided with a stem 44 which slides within the tubular piece 45v having both ends threaded. Said piece 45 carries the guide 46 for securing the correct operation of the stem 44, and the orifices 41 for allowing the passage of the fuel to the conduit 31 of the idling jet.
  • Figure 2 also illustrates with the reference numbers 48 and 49, the internal and external walls respectively of the naphtha conduit of a carbureter. 50 is a screw having a large central perforation, and is a nut completing the adjustment of the device.
  • FIG 3 illustrates the screw 52 which renders the membranes I6 and 32 integral.
  • the conduit 53 allows the communication with the chambe'; A by means of the conduit I4, shown in Figure 1.'
  • Figure 4 illustrates a modification in construction which replaces, as a unit, the elements shown in Figure 3.
  • Said device comprises essentially a casing 54 having adapted in the interior thereof a flexible membrance I6, which carries fixed to its central point a stem 55 ending in the valvular piece 56; said valve is intended to bear against the flange 51 formed on one of the sides and central portion of the casing 54.
  • the conduit 31 communicates with the idling jet and the conduit 58 with the constant level chamber.
  • the spring 59 carries the membrane I6 and the valve 56 to their idle position.
  • the casing 54 is provided with a conduit 60 for communication with the chamber A.
  • Figure 5 illustrates a hollow cylinder 6
  • the piston 63 Within same slides the piston 63, through the center of which passes the screw 64, and provided with a spring 65.
  • the valve 66 bears against the flange 67. It also comprises the spring 68 and conduit 69.
  • the conduit I0 communicates said chamber with the chamber B.
  • Figure 6 shows the cylindrical chamber II, with its piston I2 provided with a stem I3, a spring I4 and a conduit I5, which communicates this chamber with the chamber A.
  • the stem is provided with a tooth I4 intended to engage the plate I6.
  • This chamber is a further embodiment of the chamber B illustrated in Figure 1.
  • the link 28 joins the stem I3 with the stem 1'! of the piston I8 which slides in the cylindrical chamber I9.
  • the piston I8 is crossed through by the conduit 80.
  • a spring BI is located within the chamber.
  • the conduit 82 is intended to communicate with the constant level chamber, the conduit 83 communicates with the idling jet, and the .conduit 84 communicates the chamber with the exterior.
  • This chamber is a modification in construction of the chamber C illustrated in Figure 1.
  • Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, characterized in that said chamber is coupled to a second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first chamber, the fuel interruptions being produced upon the increases of the vacuum in the suction line of the engine passing a predetermined degree.
  • Automatic fuel interrupting device for explosion engines and the like provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that said chamber is coupled to a. second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first chamber, by means of a rigid stem fixed to the movable wall of said pneumatic chamber which actuates said valvular device.
  • Automatic fuel interrupting device for explosion engines and the like provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that said chamber is coupled to a second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first chamber, by means of a rigid stem threaded and screwed to the movable wall of said pneumatic chamber, said stem having a head which enables same to be screwed and unscrewed at will, for the purpose of regulation.
  • Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that said chamber is coupled to a second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first chamber, the second pneumatic chamber being provided with means communicating same with the valvular fuel interrupting device.
  • Automatic fuel interrupting device for explosion engines and the like provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that said chamber is coupled to a second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first cham- 7 her, the lighting circuit of a control lamp being closed each time the fuel interrupting device is acting.
  • Automatic fuel interrupting device for explosion engines and the like provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the second pneumatic chamber controls the interrupting device of the idling jet.
  • Automatic fuel interrupting device for ex-- plosion engines and the like, provided with a first pneumatic chamber communicating with.
  • the suction line of the engine characterized in that the second-pneumatic chamber is constituted by a rigid wall and a fur ther flexible wall, the movements of which actuate the fuel interrupting device.
  • Automatic fuel interrupting device for explosion engines and the like provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the fuel interrupting device actuated by the second pneumatic chamber is constituted by a chamber having a rigid wall with inlet and outlet fuel orifices, and a further flexible wall having a shutter device which closes one of the fuel orifices when said membrane is actuated, thus interrupting the passage of the fuel.
  • Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the second pneumatic chamber and the fuel interrupting device form part of a single piece, the respective movable walls of same being joined by means of a rigid stem.
  • Automatic fuel interrupting device for ex plosion engines and the like provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the first or second pneumatic chamber is constituted by pneumatic pistons.
  • Automatic fuel interrupting device for explosion engines and the like provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the fuel interrupting device is constituted by a piston moving within a cylinder.
  • Automatic fuel interrupting device for explosion engines and the like provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the second pneumatic chamber is constituted by two compartments separated by a flexible wall, one compartment being in communication with the suction line of the engine, with the interpolation of a valvular device controlled by the first pneumatic chamber, and the other compartment being in communication with the fuel line, having a valve integral with said membrane, which interrupts the passage of fuel to the cylinders, preferably from the idling jet, when said membrane is actuated.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Description

Sept. 28, 1937. G. c. s. VON HILVETY AUTOMATIC FUEL INTERRUPTING'DEVICE FOR EXPLOSION ENGINES Filed March 13, 1 936 '2 Sheets-Sheet 1 E m & m cm ml M .A n 9 G P 1937- G. c. s. VON HlLVETY I 2,094,555
AUTOMATIC FUEL INTERRUPTING DEVICE FOR EXPLOSION ENGINES Filed March 13, 1936 2 Sheets-Sheet 2 IJIIIA'VIIIIIIIIII IN V EN TOR.
V0)? ffl'lveiy A TTORNEYS.
lighting of the lamp 24, at the same time drawing the internal end of the lever 29, closing the orifice 36 and therefore avoiding the passage of fuel from the idling jet to the cylinders.
When the vacuum of the engine decreases, themembrane 2 and the valve I I return to their idle position, while at the same time the spring 40 carries the membranes 32 and I6 to their idle positions, the passage of fuel to the idling jet being again established. The conduit I3 allows the return of the membrane I6 to its idle position.
Every time the passage of fuel to the idling jet has been interrupted, the lamp 24, arranged on the dashboard, will indicate to the driver that said interruption has been effected.
By turning the screw 6, the driver may regulate the device so as to effect the interruption at a determined vacuum. And should the end of said screw be sufficiently separated from the valve II, the interrupting devices are placed out of operation.
The device illustrated in Figure 2 consists of the same elements corresponding to the chamber C. This figure also shows the manner of adapting the interrupter to one type of carbureter. The screw 33 of Figure 1 is also provided with a stem 44 which slides within the tubular piece 45v having both ends threaded. Said piece 45 carries the guide 46 for securing the correct operation of the stem 44, and the orifices 41 for allowing the passage of the fuel to the conduit 31 of the idling jet. Figure 2 also illustrates with the reference numbers 48 and 49, the internal and external walls respectively of the naphtha conduit of a carbureter. 50 is a screw having a large central perforation, and is a nut completing the adjustment of the device.
Figure 3 illustrates the screw 52 which renders the membranes I6 and 32 integral. The conduit 53 allows the communication with the chambe'; A by means of the conduit I4, shown in Figure 1.'
As stated above, Figure 4 illustrates a modification in construction which replaces, as a unit, the elements shown in Figure 3.
Said device comprises essentially a casing 54 having adapted in the interior thereof a flexible membrance I6, which carries fixed to its central point a stem 55 ending in the valvular piece 56; said valve is intended to bear against the flange 51 formed on one of the sides and central portion of the casing 54. The conduit 31 communicates with the idling jet and the conduit 58 with the constant level chamber. The spring 59 carries the membrane I6 and the valve 56 to their idle position.
The casing 54 is provided with a conduit 60 for communication with the chamber A.
Figure 5 illustrates a hollow cylinder 6| provided with a conduit 62 for communicating the interior of the chamber with the suction line of the engine. Within same slides the piston 63, through the center of which passes the screw 64, and provided with a spring 65. The valve 66 bears against the flange 67. It also comprises the spring 68 and conduit 69. The conduit I0 communicates said chamber with the chamber B.
The operation of this device is similar to that of the chamber A of Figure 1.
Figure 6 shows the cylindrical chamber II, with its piston I2 provided with a stem I3, a spring I4 and a conduit I5, which communicates this chamber with the chamber A. The stem is provided with a tooth I4 intended to engage the plate I6.
This chamber is a further embodiment of the chamber B illustrated in Figure 1.
The link 28 joins the stem I3 with the stem 1'! of the piston I8 which slides in the cylindrical chamber I9. The piston I8 is crossed through by the conduit 80. A spring BI is located within the chamber. The conduit 82 is intended to communicate with the constant level chamber, the conduit 83 communicates with the idling jet, and the .conduit 84 communicates the chamber with the exterior.
This chamber is a modification in construction of the chamber C illustrated in Figure 1. I
The operation of these devices is similar to that described with reference to the chambers B and C illustrated in Figure 1.
Having now particularly described and ascertained the nature of the present invention, I declare that what I claim is:--
1. Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, characterized in that said chamber is coupled to a second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first chamber, the fuel interruptions being produced upon the increases of the vacuum in the suction line of the engine passing a predetermined degree.
2. Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that said chamber is coupled to a. second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first chamber, by means of a rigid stem fixed to the movable wall of said pneumatic chamber which actuates said valvular device.
3. Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that said chamber is coupled to a second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first chamber, by means of a rigid stem threaded and screwed to the movable wall of said pneumatic chamber, said stem having a head which enables same to be screwed and unscrewed at will, for the purpose of regulation.
4. Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that said chamber is coupled to a second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first chamber, the second pneumatic chamber being provided with means communicating same with the valvular fuel interrupting device.
5. Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that said chamber is coupled to a second pneumatic chamber controlling the interrupting device, both chambers being separated by a valvular device actuated by said first cham- 7 her, the lighting circuit of a control lamp being closed each time the fuel interrupting device is acting. a
6. Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the second pneumatic chamber controls the interrupting device of the idling jet.
7. Automatic fuel interrupting device for ex-- plosion engines and the like, provided with a first pneumatic chamber communicating with.
the suction line of the engine, according to claim 1, characterized in that the second-pneumatic chamber is constituted by a rigid wall and a fur ther flexible wall, the movements of which actuate the fuel interrupting device.
8. Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the fuel interrupting device actuated by the second pneumatic chamber is constituted by a chamber having a rigid wall with inlet and outlet fuel orifices, and a further flexible wall having a shutter device which closes one of the fuel orifices when said membrane is actuated, thus interrupting the passage of the fuel.
9. Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the second pneumatic chamber and the fuel interrupting device form part of a single piece, the respective movable walls of same being joined by means of a rigid stem.
10. Automatic fuel interrupting device for ex plosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the first or second pneumatic chamber is constituted by pneumatic pistons.
11. Automatic fuel interrupting device for explosion engines and the like,'provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the fuel interrupting device is constituted by a piston moving within a cylinder.
12. Automatic fuel interrupting device for explosion engines and the like, provided with a first pneumatic chamber communicating with the suction line of the engine, according to claim 1, characterized in that the second pneumatic chamber is constituted by two compartments separated by a flexible wall, one compartment being in communication with the suction line of the engine, with the interpolation of a valvular device controlled by the first pneumatic chamber, and the other compartment being in communication with the fuel line, having a valve integral with said membrane, which interrupts the passage of fuel to the cylinders, preferably from the idling jet, when said membrane is actuated.
GEORGE CA ROL SCHUELE VON HILVETY.
US68754A 1935-09-07 1936-03-13 Automatic fuel interrupting device for explosion engines Expired - Lifetime US2094555A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443562A (en) * 1945-09-28 1948-06-15 George M Holley Decelerator
US2699157A (en) * 1950-12-30 1955-01-11 Heftler Maurice Ben Coasting economizer
US2824726A (en) * 1955-11-08 1958-02-25 Gen Motors Corp Degasser attachment for internal combustion engines
US2840359A (en) * 1956-03-09 1958-06-24 Holley Carburetor Co Self-contained fuel shut-off device
US2848202A (en) * 1956-01-06 1958-08-19 William E Leibing Degasser
US2859951A (en) * 1956-07-27 1958-11-11 Jr Robert D Wren Idling needle with vacuum attachment
US2868182A (en) * 1955-10-17 1959-01-13 Holley Carburetor Co Fuel shut-off apparatus
US2868521A (en) * 1957-03-21 1959-01-13 Gen Motors Corp Degasser
US3004531A (en) * 1959-03-16 1961-10-17 Holley Carburetor Co Fuel supply system
US3005625A (en) * 1957-11-22 1961-10-24 Holley Carburetor Co Fuel supply system
US3078078A (en) * 1960-03-30 1963-02-19 Acf Ind Inc Carburetor
US3156333A (en) * 1960-11-23 1964-11-10 Charles T Barnes Idling fuel-supply control mechanism for induction carburetors of vehicles
US3291464A (en) * 1964-11-27 1966-12-13 Rudolph L Hammerschmidt Carburetor having adjustable precision fuel metering means
US4372896A (en) * 1979-06-08 1983-02-08 Weber S.P.A. Device adapted to correct the air-fuel ratio of the mixture delivered by a carburetor during the periods of operation at low loads of a motor vehicle engine
EP0078886A2 (en) * 1981-11-06 1983-05-18 Athanasios Gargassoulas Automatic nozzle (for fuel economy) destined for carburators of internal combustion engines of vehicles

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443562A (en) * 1945-09-28 1948-06-15 George M Holley Decelerator
US2699157A (en) * 1950-12-30 1955-01-11 Heftler Maurice Ben Coasting economizer
US2868182A (en) * 1955-10-17 1959-01-13 Holley Carburetor Co Fuel shut-off apparatus
US2824726A (en) * 1955-11-08 1958-02-25 Gen Motors Corp Degasser attachment for internal combustion engines
US2848202A (en) * 1956-01-06 1958-08-19 William E Leibing Degasser
US2840359A (en) * 1956-03-09 1958-06-24 Holley Carburetor Co Self-contained fuel shut-off device
US2859951A (en) * 1956-07-27 1958-11-11 Jr Robert D Wren Idling needle with vacuum attachment
US2868521A (en) * 1957-03-21 1959-01-13 Gen Motors Corp Degasser
US3005625A (en) * 1957-11-22 1961-10-24 Holley Carburetor Co Fuel supply system
US3004531A (en) * 1959-03-16 1961-10-17 Holley Carburetor Co Fuel supply system
US3078078A (en) * 1960-03-30 1963-02-19 Acf Ind Inc Carburetor
US3156333A (en) * 1960-11-23 1964-11-10 Charles T Barnes Idling fuel-supply control mechanism for induction carburetors of vehicles
US3291464A (en) * 1964-11-27 1966-12-13 Rudolph L Hammerschmidt Carburetor having adjustable precision fuel metering means
US4372896A (en) * 1979-06-08 1983-02-08 Weber S.P.A. Device adapted to correct the air-fuel ratio of the mixture delivered by a carburetor during the periods of operation at low loads of a motor vehicle engine
EP0078886A2 (en) * 1981-11-06 1983-05-18 Athanasios Gargassoulas Automatic nozzle (for fuel economy) destined for carburators of internal combustion engines of vehicles
EP0078886A3 (en) * 1981-11-06 1984-04-18 Athanasios Gargassoulas Automatic nozzle (for fuel economy) destined for carburators of internal combustion engines of vehicles

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