US1466406A - Preheater and mixer - Google Patents

Preheater and mixer Download PDF

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Publication number
US1466406A
US1466406A US531030A US53103022A US1466406A US 1466406 A US1466406 A US 1466406A US 531030 A US531030 A US 531030A US 53103022 A US53103022 A US 53103022A US 1466406 A US1466406 A US 1466406A
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United States
Prior art keywords
casting
preheater
carburetor
mixer
bore
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Expired - Lifetime
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US531030A
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Jack B Macdonald
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Individual
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Individual
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Priority to US531030A priority Critical patent/US1466406A/en
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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
    • F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
    • 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
    • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
    • F02M2700/43—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel
    • F02M2700/4302—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel whereby air and fuel are sucked into the mixture conduit
    • F02M2700/434—Heating or cooling devices
    • F02M2700/4342—Heating devices
    • F02M2700/435—Heating devices by means of electricity

Definitions

  • My invention is an improved preheater and mixer for the intake charge of internal combustion engines.
  • the object of my invention is to'provide a preheater which is inexpensive and efficient in operation, and may be readily attached to any engine without replacing any of the standard equipment.
  • FIG. 1 is a side ,view of my improved preheater in position, with parts broken away to show details of construction.
  • Figure 2 is a diagrammatic view of the wiring and electric control.
  • the numeral 1 indicates my preheater positioned between the intake manifold 2 and the carburetor 3.
  • the outer casting-4 comprises the top and sides of the preheater.
  • An inner casting 5 forms the bottom of the preheater and extends centrally upward to the top and isv flanged in the casting 4.
  • a central bore 6 ofthe casting 5 conforms in size and position to the outlet of the carburetor and the intake manifold.
  • a plurality of beating paddles 7 are positioned in the bore 6, and are journaled' on a shaft 8 which is secured in spiders 9 and.
  • Adjacent paddles rotate in on posite directions, and are actuated by the gas passing upward into the intake manifold 2.
  • the gas passing through the bore '6 and engaging the paddles 7 is thoroughly mixed and agitated, and is thrown outwardly against the heated walls of the bore, as will be described.
  • the central stem of the casting 5 is en-' sistance wire 12 is wound.
  • the resistance wire heats the walls of the bore 6 and thus preheats the gas charge, which gives increased power andflexibility to the engine.
  • Cap screws 13 and 14 pass through the intake manifold flange, the upper wall of the casting 4, the lower wall of the casting 5 and into the carburetor 3, thus securely and removably joining these members together.
  • a thermostatic controlled switch 15 is secured to the casting 4, and comprises an expanding metal bar 16, which receives its heat from the walls of the casting 4 and in expanding is adapted to engage one leg 17 of the electric switch, forcing it upwardly to break the contact 18.
  • Current is supplied to the coil 12 from a battery, 20, through lead 21 to a switch 22, lead 23 to the thermostat 15, and lead 24 to the coil..
  • the coil is grounded through lead 25 on the casting 4.
  • a lead 26 grounds the battery.
  • 'Apreheater and gas mixer comprising an outer casting, an inner casting having a central bore, means for heating said inner casting, and rotatable agitating means in said bore.
  • a preheater and mixer comprising an outer casting, an inner casting, said inner casting having a central bore in alignment with the carburetor and manifold, a resistance coil surrounding said bore,
  • a preheater and mixer comprising an outer casting and an inner casting, said inner casting having a central bore in alignment with the carburetor and manifold, and a resistance coil wound on said inner casting around the central bore.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Description

Au 28, 1923. I 1,466,406
' J B. M DONALD v PREHEATEB AND MI-XER Filed Jan. 23, 1922 3wenbot Jack 5. Mafia/Yaw Patented Aug. 28, 1923.
UNITED STATES JACK B. MACDONALD, or OAKLAND, CALIFORNIA.
rnnnna'rnn AND MIXER.
Application filed January 23, 1922. Serial No. 531,030.
To all whomit may concern:
Be it known that I, JACK B. MACDONALD, a citizen of the United States, residing at Oakland, in the county of Alameda and State of California, have invented certain new and useful Improvements in Preheaters and Mixers, of which the following is a' specification.
My invention is an improved preheater and mixer for the intake charge of internal combustion engines.
The object of my invention is to'provide a preheater which is inexpensive and efficient in operation, and may be readily attached to any engine without replacing any of the standard equipment.
The preheater is formed in the same shape as the manifold flange and is positioned be tween the intake manifold and the carburetor. Referring to the annexed drawing: Figure 1 is a side ,view of my improved preheater in position, with parts broken away to show details of construction.
Figure 2 is a diagrammatic view of the wiring and electric control.
In the drawing. the numeral 1 indicates my preheater positioned between the intake manifold 2 and the carburetor 3. The outer casting-4 comprises the top and sides of the preheater. An inner casting 5 forms the bottom of the preheater and extends centrally upward to the top and isv flanged in the casting 4. A central bore 6 ofthe casting 5 conforms in size and position to the outlet of the carburetor and the intake manifold.
A plurality of beating paddles 7 are positioned in the bore 6, and are journaled' on a shaft 8 which is secured in spiders 9 and.
10 at the top and bottom respectively of the preheater. Adjacent paddles rotate in on posite directions, and are actuated by the gas passing upward into the intake manifold 2. The gas passing through the bore '6 and engaging the paddles 7 is thoroughly mixed and agitated, and is thrown outwardly against the heated walls of the bore, as will be described.
The central stem of the casting 5 is en-' sistance wire 12 is wound. The resistance wire heats the walls of the bore 6 and thus preheats the gas charge, which gives increased power andflexibility to the engine.
Cap screws 13 and 14 pass through the intake manifold flange, the upper wall of the casting 4, the lower wall of the casting 5 and into the carburetor 3, thus securely and removably joining these members together.
A thermostatic controlled switch 15 is secured to the casting 4, and comprises an expanding metal bar 16, which receives its heat from the walls of the casting 4 and in expanding is adapted to engage one leg 17 of the electric switch, forcing it upwardly to break the contact 18. Current is supplied to the coil 12 from a battery, 20, through lead 21 to a switch 22, lead 23 to the thermostat 15, and lead 24 to the coil.. The coil is grounded through lead 25 on the casting 4. A lead 26 grounds the battery.
Having described my invention, I claim:
1. 'Apreheater and gas mixer comprising an outer casting, an inner casting having a central bore, means for heating said inner casting, and rotatable agitating means in said bore.
2. In combination with a carburetor and an intake manifold, a preheater and mixer comprising an outer casting, an inner casting, said inner casting having a central bore in alignment with the carburetor and manifold, a resistance coil surrounding said bore,
means for automatically controlling the current flowing through said coil, beating paddles journaled in said bore, and means for securing the preheater to the manifold and the carburetor. I
3. In combination with a carburetor and an intake manifold, a preheater and mixer comprising an outer casting and an inner casting, said inner casting having a central bore in alignment with the carburetor and manifold, and a resistance coil wound on said inner casting around the central bore.
4. In combination with a carburetor and an intake manifold, a preheater and mixer,
comprising an outer casting and an inner casting, a'mica jacket surrounding the inner casting, said inner casting having a central bore in alignment with the carburetor and manifold, and a resistance coil wound on said mica jacket around the central'bore.
In testimony whereof I aflix my signature.
I JACK B. MAGDONALD.
US531030A 1922-01-23 1922-01-23 Preheater and mixer Expired - Lifetime US1466406A (en)

Priority Applications (1)

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US531030A US1466406A (en) 1922-01-23 1922-01-23 Preheater and mixer

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US531030A US1466406A (en) 1922-01-23 1922-01-23 Preheater and mixer

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US1466406A true US1466406A (en) 1923-08-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390000A (en) * 1980-03-28 1983-06-28 Nippon Soken, Inc. Air-fuel mixture heating device for internal combustion engine
US4395994A (en) * 1979-10-30 1983-08-02 Toyota Jidosha Kogyo Kabushiki Kaisha Fuel mixture heating device of an internal combustion engine
US4395993A (en) * 1979-10-26 1983-08-02 Toyota Jidosha Kogyo Kabushiki Kaisha Fuel mixture heating device of an internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4395993A (en) * 1979-10-26 1983-08-02 Toyota Jidosha Kogyo Kabushiki Kaisha Fuel mixture heating device of an internal combustion engine
US4395994A (en) * 1979-10-30 1983-08-02 Toyota Jidosha Kogyo Kabushiki Kaisha Fuel mixture heating device of an internal combustion engine
US4390000A (en) * 1980-03-28 1983-06-28 Nippon Soken, Inc. Air-fuel mixture heating device for internal combustion engine

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