US1648515A - Vaporizer - Google Patents
Vaporizer Download PDFInfo
- Publication number
- US1648515A US1648515A US82469A US8246926A US1648515A US 1648515 A US1648515 A US 1648515A US 82469 A US82469 A US 82469A US 8246926 A US8246926 A US 8246926A US 1648515 A US1648515 A US 1648515A
- Authority
- US
- United States
- Prior art keywords
- air
- passage
- fuel
- vaporizer
- nozzle
- 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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- This invention relates to an exhaust heated vaporizer of the type in which a heated rich mixture is diluted with cold air in order to make an explosive mixture at the lowest possible temperature.
- the specific improvement consists in providing an ignition device whereby the vaporizer is heated before the exhaust heat is available so that the initial starting period, during which the heating is inadequate because of the necessity for heating up the entire mass of the engine, water jacket, etc, may be curtailed. Until the pistons and water jackets have reached their working temperature it is hardly possible to put too much heat into the mixture. On theother hand, once the water jacket and pistons have reached their working temperature a good deal of 'the heat can be dispensed with, and in fact must be dispensed with if the maximum horsepower is to be obtained.
- An additional feature, therefore, of this invention is that means are provided whereby the ignition device is rendered inoperative both at high engine speeds and also when the vaporizer becomes heated to a certain temperature.
- Figure 1 shows the application of the invention to a vaporizer of a well-known type.
- Figure 2 shows the vaporizer plate.
- A is the air entrance
- B is an automatic air valve located therein
- C is the mixing chamber which is of Venturi form
- D is the rich mixture entrance
- E is a portion of the exhaust manifold
- F is a vaporizing plate forming one wall of said exhaust manifold.
- G G are the corrugations in the plate F (see Figure 2).
- the corrugated plate F forms with the thin cover plate H la thin primary passage through which a primary rich mixture passes on its way to the mixing chamber G.
- a hollow cover J, supporting the cover plate H, forms the combustion chamber.
- This combustion chamber carries the spark plug L and the nozzle S, which obtains its fuel supply and air from the primary air passage N.
- the fuel nozzle M discharges into this passage N. providing the necessary rich mixture for the operation of the engine.
- the primary air communicates with the atmosphere at Q Q, the latter openings being controlled by the choke valve rod K of th'e valve R located in the air entrance A.
- a drilled passage 0 communicates with the drilled passage N, and forms the primary mixing chamber into 'lating in E.
- valve R is provided, the throttle rod K of which is adapted to close the opening Qf.
- a nozzle S serves as an entrance from the passage N into the hollow cover J.
- the fuel and. air flowing through S discharges adjacent to the electrode spark plug L.
- This mixture is normally non-explosive and there fore Wlll not ignite.
- air, which is admitted through T under certain conditions renders the mixture flowing through S combustible so that a flame is formed as a result of the spark from the spark plug L.
- This flame in J tends to heat the plate H, the burnt products escaping through E into the outlet D where they mingle with the fuel heated between the plate F and the cover H.
- the effect of the burner is therefore controlled by the admission of air through T.
- This admission is controlled by the valve U.
- This consists of a light disk valve U which is held on its seat by thethermostat V when the temperature of the cover rises to such a point as to cause the thermostat to contract.
- the function of the spring W is to protect the thermostat against permanent distortion due to its own tendency to change its shape and to close up at high temperatures.
Description
Nov. 8, 1927. 1,648,515
c. H. TAYLOR ET AL VAPORI ZER Filed Jan. 20 1926 g1! eEC/L. h. TAYLOR STA/V15) m uflALE m 'EN TOR.
A T TOR NE Y.
Patented Nov. 8, 1927.
UNITED STATES 1,648,515 PATENT OFFICE.
CECIL H. TAYLOR AND STANLEY M. UDALE, OF DETROIT, MICHIGAN, ASSIGNORS- TO GEORGE M. HOLLEY, 013 DETROIT, MICHIGAN.
VAPORIZER.
Application filed January 20, 1926. Serial No. 82,469.
This invention relates to an exhaust heated vaporizer of the type in which a heated rich mixture is diluted with cold air in order to make an explosive mixture at the lowest possible temperature.
The specific improvement consists in providing an ignition device whereby the vaporizer is heated before the exhaust heat is available so that the initial starting period, during which the heating is inadequate because of the necessity for heating up the entire mass of the engine, water jacket, etc, may be curtailed. Until the pistons and water jackets have reached their working temperature it is hardly possible to put too much heat into the mixture. On theother hand, once the water jacket and pistons have reached their working temperature a good deal of 'the heat can be dispensed with, and in fact must be dispensed with if the maximum horsepower is to be obtained. An additional feature, therefore, of this invention is that means are provided whereby the ignition device is rendered inoperative both at high engine speeds and also when the vaporizer becomes heated to a certain temperature.
Figure 1 shows the application of the invention to a vaporizer of a well-known type.
Figure 2 shows the vaporizer plate.
In the figures, A is the air entrance, B is an automatic air valve located therein, C is the mixing chamber which is of Venturi form. D is the rich mixture entrance, and E is a portion of the exhaust manifold F is a vaporizing plate forming one wall of said exhaust manifold. G G are the corrugations in the plate F (seeFigure 2). The corrugated plate F forms with the thin cover plate H la thin primary passage through which a primary rich mixture passes on its way to the mixing chamber G. A hollow cover J, supporting the cover plate H, forms the combustion chamber. This combustion chamber carries the spark plug L and the nozzle S, which obtains its fuel supply and air from the primary air passage N. The fuel nozzle M discharges into this passage N. providing the necessary rich mixture for the operation of the engine. The primary air communicates with the atmosphere at Q Q, the latter openings being controlled by the choke valve rod K of th'e valve R located in the air entrance A. A drilled passage 0 communicates with the drilled passage N, and forms the primary mixing chamber into 'lating in E.
valve R is provided, the throttle rod K of which is adapted to close the opening Qf.
Operation.-Primary air is drawn in through the openings Q, Q and down'the pipe B which is heated in the exhaust manifold E. Primary air then flows though the drilled passage 0 and aspirates the fuel is suing from the fuel nozzle M. The aspirated fuel, with the primary air, flows through the passage N and then between the plate F and the cover plate H. This mixture of fuel and air is heated by the exhaust gases circu- The vaporized fuel and primary air escape through D into the mixing chamber C and so pass by the throttleY to the, inlet manifold.
A nozzle S serves as an entrance from the passage N into the hollow cover J. The fuel and. air flowing through S discharges adjacent to the electrode spark plug L. This mixture is normally non-explosive and there fore Wlll not ignite. However air, which is admitted through T under certain conditions, renders the mixture flowing through S combustible so that a flame is formed as a result of the spark from the spark plug L. This flame in J tends to heat the plate H, the burnt products escaping through E into the outlet D where they mingle with the fuel heated between the plate F and the cover H. The effect of the burner is therefore controlled by the admission of air through T. This admission is controlled by the valve U. This consists of a light disk valve U which is held on its seat by thethermostat V when the temperature of the cover rises to such a point as to cause the thermostat to contract.
When the engine is cold the thermostat assumes the position shown in the broken lines, which permits the valve U to open the air passage 'l. Under these conditions a combustible mixture is formed in the vicinity of the electrode of the spark plug L and active combustion takes place in the combustion chamber J. As the speed of the engine increases, however, the depression in J increasesand the weight and location of the valve U is such that it rises under the influence of the incoming air and so seals the passage T. The passage T is therefore closed under two conditions A. When the s eed of the engine increases above a certain P. M., so as to cause a rapidNflow of rich mixture through the passage B. When the temperature of the cover J, increases to such a point so as to cause the thermostat V to close andforoe the cover plate H up against the opening T. Fuel should never be burnt in J needlessly, as the fuel consumption will be made worse than it otherwise would be. 7
The function of the spring W is to protect the thermostat against permanent distortion due to its own tendency to change its shape and to close up at high temperatures.
What we claim is 1. The combination with a. vaporizer of a mixing chamber, a rich mixture conduit communicating therewith, a fuel nozzle discharging into the air entrance thereof, a combustion chamber located in heating relation to said conduit, means for bypassing a portion of said rich mixture through and burning it within said combustion chamber, com-- prising a nozzle dlscharging into said combustion chamber, an electrode discharging ad- Jacent to the outlet of said nozzle, an air en-' ceeds a predetermined amount. I
2. The combination with a vaporizer of a mixing chamber, a rich mixture conduit communicating therewith, a fuel nozzle dischargin into the air entrance thereof, a combustion chamber located-in heating rela- ,tion to said conduit, means for bypassing a portion of said rich mixture through and burning it within said combustion chamber, comprising a nozzle discharging into said combustion chamber,- an electrode discharging adjacent to the outlet of said nozzle, an air entrance also discharging adjacent to the outlet of said nozzle, avalve controlling the admission of air to said air passage, thermo-responsive'means for controlllng said air valve for the purpose described.
In testimony whereof we aflix our sig natures.
CECIL H. TAYLOR.
STANLEY UDALE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82469A US1648515A (en) | 1926-01-20 | 1926-01-20 | Vaporizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82469A US1648515A (en) | 1926-01-20 | 1926-01-20 | Vaporizer |
Publications (1)
Publication Number | Publication Date |
---|---|
US1648515A true US1648515A (en) | 1927-11-08 |
Family
ID=22171414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US82469A Expired - Lifetime US1648515A (en) | 1926-01-20 | 1926-01-20 | Vaporizer |
Country Status (1)
Country | Link |
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US (1) | US1648515A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3828747A (en) * | 1971-12-24 | 1974-08-13 | Nissan Motor | Automotive air-fuel mixture heating system |
-
1926
- 1926-01-20 US US82469A patent/US1648515A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3828747A (en) * | 1971-12-24 | 1974-08-13 | Nissan Motor | Automotive air-fuel mixture heating system |
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