US1370459A - Auxiliary air-inlet for engines - Google Patents

Auxiliary air-inlet for engines Download PDF

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Publication number
US1370459A
US1370459A US218312A US21831218A US1370459A US 1370459 A US1370459 A US 1370459A US 218312 A US218312 A US 218312A US 21831218 A US21831218 A US 21831218A US 1370459 A US1370459 A US 1370459A
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United States
Prior art keywords
engine
valve
engines
spring
inlet
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Expired - Lifetime
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US218312A
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Lippoldt Frank Frederick
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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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • 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
    • F02M2700/13—Special devices for making an explosive mixture; Fuel pumps
    • F02M2700/1305—Auxiliary air supply devices for carburettors
    • 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
    • Y10T137/6416—With heating or cooling of the system
    • Y10T137/6579—Circulating fluid in heat exchange relationship
    • 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]
    • Y10T137/7876—With external means for opposing bias
    • Y10T137/7877—With means for retaining external means in bias opposing position

Definitions

  • This invention relates to Vaporizers for internal combustion engines, the object in view being to produce a device capable of being combined and used in conjunction with the intake pipe or manifold of an internal combustion engine, whereby heated air is caused to commingle in a more effective manner with the explosive mixture on its way from the carbureter to the combustion space or spaces of the engine.
  • a further object of the invention is to produce a device of the character referred to which may be applied to internal combustion engines already in use, the operation of the device resulting in economy of fuel and greater efiiciency in the engine, at the same time reducing the accumulation of carbon in the engine.
  • the invention consists in the novel construction, combination and arrangement of parts, as herein described, illustrated and claimed.
  • Figure 1 is a side elevation of an internal combustion engine, illustrating the improved vaporizer in its applied relation thereto.
  • Fig. 2 is an enlarged sectional view through the valve and valve casing of the device, illustrating the internal construction thereof.
  • Fig. 3 is a fragmentary section showing the relation of the air inlet nozzle to the intake pipe of the engine.
  • Fig. 4 is a fragmentary section through the air heater.
  • the main feature of the present invention resides in the auxiliary air inlet valve and the manner of conducting heat thereto and emitting the heated air therefrom, within the intake connection of the engine.
  • the device comprises a valve casing 1 at one end of which is a valve seat 2.
  • a check valve 3 shown in the form of a ball which is held yieldingly against the seat 2 b means of an expansion spring 4.
  • One end of said spring bears against the mounting from the machine.
  • plug 5 receives a stem or rod 6 which extends into the casing 1 and through the spring 4.
  • the stem or rod 6 has a head 7 at the inner end thereof while a coiled spring 8 encircles said rod or stem 6, hearing at one end against the head 7 and bearing, at the opposite end against the plug 5.
  • the stem 6 is slidable through a central opening in the plug 5, and has attached to its outer projecting end a controlling device 9, such as a rod or wire, which, in automobile practice, will extend through the dash where it will be provided with a suitable operating knob or handle, enabling the valve to be manipulated without the necessity of the driver dis-
  • a controlling device 9 such as a rod or wire, which, in automobile practice, will extend through the dash where it will be provided with a suitable operating knob or handle, enabling the valve to be manipulated without the necessity of the driver dis-
  • the stem 6, the spring 8, and the head 9 are all insertible through the spring 4 so that the head 7 will bear against the valve 3 and hold the same more firmly against its seat 2, the" spring 8 being for that purpose made considerably stiffer than the spring 4.
  • the air admitted past the valve 3 is heated by means of a stove or heater 12 preferably of crescent-shape formation in cross section, and clamped upon the exhaust pipe of the engine by fastening'means 13.
  • a flexible conduit or pipe 14 extends in an upward direction from the heater 12 to the valved end of the casing 1, so that there is a natural tendency for the heated air to enter the easing 1 from which it is conducted into the intake pipe or manifold of the engine through the nozzle 10 which is perforated for that purpose.
  • An auxiliary air inlet for engines comprising an elongated tubular casing having at one end an air inlet and a valve seat surrounding the same, a plug closing the other posed Within said end of the casing and having a bore, said casing communicating intermediate its ends With the intake manifold of an engine, a stem slidable through the bore in said plug, a valve normallyengaging said seat, a head carried by the stem and engaging said valve,

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

Description

F. F. LIPPOLDT.
AUXILIARY MR INLET FOR ENGINES.
APPLICATION FILED r:a.2o. 1918.
1,370,459, v Patented Mar. 1, 1921.
FRANK FREDERICK LIPPOLDT, OF KIN SLEY, KANSAS.
AUXILIARY AIR-INLET FOR ENGINES.
Specification of Letters Patent.
Patented Mar. 1, 1921.
Application filed February 20, 1918. Serial No. 218,312.
To all whom it may concern.
Be it known that I, FRANK FREDERICK LIPPOLDT, a citizen of the United States, residin at Kinsley, in the county of Edwards and S tate of Kansas, have invented new and useful Improvements in Auxiliary Air-Inlets for Engines, of which the following is a specification.
This invention relates to Vaporizers for internal combustion engines, the object in view being to produce a device capable of being combined and used in conjunction with the intake pipe or manifold of an internal combustion engine, whereby heated air is caused to commingle in a more effective manner with the explosive mixture on its way from the carbureter to the combustion space or spaces of the engine.
A further object of the invention is to produce a device of the character referred to which may be applied to internal combustion engines already in use, the operation of the device resulting in economy of fuel and greater efiiciency in the engine, at the same time reducing the accumulation of carbon in the engine.
lVith the above and other objects in view, the invention consists in the novel construction, combination and arrangement of parts, as herein described, illustrated and claimed.
In the accompanying drawings,
Figure 1 is a side elevation of an internal combustion engine, illustrating the improved vaporizer in its applied relation thereto.
Fig. 2 is an enlarged sectional view through the valve and valve casing of the device, illustrating the internal construction thereof.
Fig. 3 is a fragmentary section showing the relation of the air inlet nozzle to the intake pipe of the engine. v
Fig. 4 is a fragmentary section through the air heater.
The main feature of the present invention resides in the auxiliary air inlet valve and the manner of conducting heat thereto and emitting the heated air therefrom, within the intake connection of the engine.
To the above end, the device comprises a valve casing 1 at one end of which is a valve seat 2. Cooperating with the valve seat 2 is a check valve 3 shown in the form of a ball which is held yieldingly against the seat 2 b means of an expansion spring 4. One end of said spring bears against the mounting from the machine.
against a screw plug 5 which is threaded into the opposite end of the casing 1. The
plug 5 receives a stem or rod 6 which extends into the casing 1 and through the spring 4. The stem or rod 6 has a head 7 at the inner end thereof while a coiled spring 8 encircles said rod or stem 6, hearing at one end against the head 7 and bearing, at the opposite end against the plug 5. The stem 6 is slidable through a central opening in the plug 5, and has attached to its outer projecting end a controlling device 9, such as a rod or wire, which, in automobile practice, will extend through the dash where it will be provided with a suitable operating knob or handle, enabling the valve to be manipulated without the necessity of the driver dis- The stem 6, the spring 8, and the head 9 are all insertible through the spring 4 so that the head 7 will bear against the valve 3 and hold the same more firmly against its seat 2, the" spring 8 being for that purpose made considerably stiffer than the spring 4. Extending off from the casing 1 at a point between the ends thereof, is an L-shaped nozzle 10 which is inserted through a hole in the intake connection 11 between the carburetor and the engine, the discharge end of the nozzle pointing downwardly as shown in Fig. 3 or in opposition to the normal flow or movement of the explosive mixture between the carbureter and the en ine. This produces a more thorough condition of the explosive mixture and more thoroughly commingles the heated air therewith, the result being a more highly explosive mixture and one of increased combustibility.
The air admitted past the valve 3 is heated by means of a stove or heater 12 preferably of crescent-shape formation in cross section, and clamped upon the exhaust pipe of the engine by fastening'means 13. A flexible conduit or pipe 14 extends in an upward direction from the heater 12 to the valved end of the casing 1, so that there is a natural tendency for the heated air to enter the easing 1 from which it is conducted into the intake pipe or manifold of the engine through the nozzle 10 which is perforated for that purpose.
In starting the engine when the latter is cold, the head 7 is permitted to bear with the full strength of the spring 8 against the valve 3. The valve 3 is thus held closed or i? V I 1,370,455:
approximately so until the engine has started on a rich mixture. After the engine becomes heated, the operator Withdraws to the necessary extent, the head 7 and thereafter only the comparatively light spring 4.- resists the opening movement of the valve 3. This permits heated air to enter the intake pipe of the engine and freely commingle with, agitate and break up any globules of fuel which have not been vaporized by the carbureter. The result is economy of fuel and higher efficiency of the engine. At the same time, the rapid accumulation of carbon in the engine is retarded. V r
I claim: I
An auxiliary air inlet for engines comprising an elongated tubular casing having at one end an air inlet and a valve seat surrounding the same, a plug closing the other posed Within said end of the casing and having a bore, said casing communicating intermediate its ends With the intake manifold of an engine, a stem slidable through the bore in said plug, a valve normallyengaging said seat, a head carried by the stem and engaging said valve,
a spring surrounding said stem and engaging said plug and said valve, a relatively stiff spring surrounding said stem and disfirst named spring in engagement With the head and the plug, and means for moving said stemwvhereby to compress the stiff spring and permit seating and unseating of the valve under the influence of the suction produced Within the engine.
In testimony whereof I affix my signature.
FRANK FREDERICK, LIPPOLDT.
US218312A 1918-02-20 1918-02-20 Auxiliary air-inlet for engines Expired - Lifetime US1370459A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932314A (en) * 1956-06-14 1960-04-12 Benjamin F Stephens Fabricated valve structure for automatic water injectors
US3032060A (en) * 1959-08-24 1962-05-01 Knapp Monarch Co High-low pressure relief valve for flotation gear
US3628553A (en) * 1968-11-29 1971-12-21 Hopkinsons Ltd Safety valve having plural loading means
US4520787A (en) * 1982-12-28 1985-06-04 Nissan Motor Co., Ltd. Intake air heating system for an internal combustion engine
US4605837A (en) * 1984-08-06 1986-08-12 Chen Lih Ji Electric air preheater for an internal combustion engine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932314A (en) * 1956-06-14 1960-04-12 Benjamin F Stephens Fabricated valve structure for automatic water injectors
US3032060A (en) * 1959-08-24 1962-05-01 Knapp Monarch Co High-low pressure relief valve for flotation gear
US3628553A (en) * 1968-11-29 1971-12-21 Hopkinsons Ltd Safety valve having plural loading means
US4520787A (en) * 1982-12-28 1985-06-04 Nissan Motor Co., Ltd. Intake air heating system for an internal combustion engine
US4605837A (en) * 1984-08-06 1986-08-12 Chen Lih Ji Electric air preheater for an internal combustion engine

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