US1698099A - Gas regenerator - Google Patents

Gas regenerator Download PDF

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Publication number
US1698099A
US1698099A US51727A US5172725A US1698099A US 1698099 A US1698099 A US 1698099A US 51727 A US51727 A US 51727A US 5172725 A US5172725 A US 5172725A US 1698099 A US1698099 A US 1698099A
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United States
Prior art keywords
conduit
exhaust
manifold
gas
engine
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Expired - Lifetime
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US51727A
Inventor
Kingston George
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Kingston Products Corp
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Kingston Products Corp
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Priority to US51727A priority Critical patent/US1698099A/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
    • 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
    • F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
    • F02M31/06—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot gases, e.g. by mixing cold and hot air
    • F02M31/08—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot gases, e.g. by mixing cold and hot air the gases being exhaust gases
    • F02M31/087—Heat-exchange arrangements between the air intake and exhaust gas passages, e.g. by means of contact between the passages
    • F02M31/093—Air intake passage surrounding the exhaust gas passage; Exhaust gas passage surrounding the air intake passage
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/41—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds; characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
    • 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 a gas regenerator and particularly to a device which is adapted to effectively heat a gaseous fuel mixture prior to its introduction into the combustion chambers of an engine.
  • lt is an important object of this invention to provide a device of the kind described wherein the heating of the in-flowing. gas is instantaneous upon starting of the engine.
  • lt is a further object of this invention to provide a gas regenerator wherein a circulation of the heating medium is due to the differential pressures existingwithin the exhaust and intake systems of the engine.
  • Figure l illustrates a central longitudinal section taken thru an apparatus embodying the present invention.
  • Figure 2 is an enlarged fragmentary detail section of the exhaust gas inlet casing.
  • the reference numeral l indicates an intake manifold for an internal combustion engine which may be ofany conventional construction and which is provided ywith a depending conduit 2 which is flanged as at 3 for attachment to a carburetor or other Vaporizing device.
  • the upper wall of said intake manifold which is provided with an annular seat 4;, afords a support for the lower portion 5 of a usual exhaust manifold 6.
  • the exhaust manifold is open at said lower-portion 5 and projecting thru said opening therein is a grooved boss 7 which opensintothe exhaust manifold.
  • y rlhe upper wall of the intake manifold is, provided with ya threaded opening inside said grooved boss and the lower end ofsaid threaded opening is provided with a flange or shoulder 8 which affords a support for an integral flange 9 formedon the upper end of a conduit l0 which is of relatively thin material and which extends downwardly thru the conduit 2 to a region of subatmospheric pressure within said conduit or in certain instances within the carburetor itself.
  • the conduit 10 maybe secured inthe position shown by the lower threaded end l1 of an apertured casing l2 which projects into the interior rof the exhaust manifold to a desired region offrelatively high temperature. lt will be understood that if desired, the conduit l0 may besecured directly to the casing l2 in any suitablemanner, the flange 9 in such cases'being omitted.
  • the device of this invention reactie acts as a flash or instantaneous heater which effectively completes the 4vaporization of the iii-flowing fuel mixture.
  • Heated exhaust gases from the interior of the manifold 6 instantaneously flow through the apertures in the casing l2 as indicated by the arrows, flowing thence downwardly 'due to the existing differential pressures and outwardly thru the lower end of the conduit l() into the fuel mixlture stream in the conduit 2.
  • This flow of heated gases thruthe conduit 10 of course serves to heat said conduit to a high temperature and brings about an instantaneousfand complete vaporization of the fuel mixture in the conduit 2.
  • V1 In an internal combustion engine the' combination with -the exhaust and intake manifolds of an open ended conduit supin the intake manifold and communivvith the exhaust manifold and an eating apertured easing in the exhaust manifold foi1 ⁇ supporting saideonduit in position and limiting the flow of exhaust gases therethrough.

Description

.En s, 1929.
4 G. KINGSTON GAS REGENE'RATOR Filed Aug. 22, 1925 Patentes .it-lays, teas.'
GEORGE KNGSTON, OF FORT MYERS, FLORIDA, ASSIGNOR TO KINGSTON PlPtODUCTS CORP.,` F KOKOMO, INDIANA, A CORPORATION' OF NDIANA'.
GAS BEGENERATOR.
VApplication filed August 22, 1925. Serial No. 51,727.
This invention relates to a gas regenerator and particularly to a device which is adapted to effectively heat a gaseous fuel mixture prior to its introduction into the combustion chambers of an engine.
lt is an important object of this invention to provide a device of the kind described wherein the heating of the in-flowing. gas is instantaneous upon starting of the engine. v
lt is a further object of this invention to provide a gas regenerator wherein a circulation of the heating medium is due to the differential pressures existingwithin the exhaust and intake systems of the engine.
It is another important object of this invention to provide a device of the class described wherein aflash heating effect is brought about.
It is another important' object of this 1nvention to provide a device of the class described which effects instantaneous heating of the in-flowing fuel mixture to cause immediate operation of the engine in an efficient and economical manner.
It is finally an important object of this invention to provide an instantaneous gas regenerating apparatus of simple construction whichpermits of operation with low grade fuels and which facilitates proper operation of the engine without excessive use of a choke valve or other air limiting means.
Other and further important objects of this invention will be apparent from the specification and the accompanying drawings.
The invention (in a preferred form) is shown onthe drawings and hereinafter more fully described.
On the drawings:
Figure l illustrates a central longitudinal section taken thru an apparatus embodying the present invention.
Figure 2 is an enlarged fragmentary detail section of the exhaust gas inlet casing.
As shown on the drawings: f
The reference numeral l indicates an intake manifold for an internal combustion engine which may be ofany conventional construction and which is provided ywith a depending conduit 2 which is flanged as at 3 for attachment to a carburetor or other Vaporizing device. The upper wall of said intake manifold which is provided with an annular seat 4;, afords a support for the lower portion 5 of a usual exhaust manifold 6. The exhaust manifold is open at said lower-portion 5 and projecting thru said opening therein is a grooved boss 7 which opensintothe exhaust manifold. y rlhe upper wall of the intake manifold is, provided with ya threaded opening inside said grooved boss and the lower end ofsaid threaded opening is provided with a flange or shoulder 8 which affords a support for an integral flange 9 formedon the upper end of a conduit l0 which is of relatively thin material and which extends downwardly thru the conduit 2 to a region of subatmospheric pressure within said conduit or in certain instances within the carburetor itself. The conduit 10 maybe secured inthe position shown by the lower threaded end l1 of an apertured casing l2 which projects into the interior rof the exhaust manifold to a desired region offrelatively high temperature. lt will be understood that if desired, the conduit l0 may besecured directly to the casing l2 in any suitablemanner, the flange 9 in such cases'being omitted.
In operation, the device of this invention reactie acts as a flash or instantaneous heater which effectively completes the 4vaporization of the iii-flowing fuel mixture. Heated exhaust gases from the interior of the manifold 6 instantaneously flow through the apertures in the casing l2 as indicated by the arrows, flowing thence downwardly 'due to the existing differential pressures and outwardly thru the lower end of the conduit l() into the fuel mixlture stream in the conduit 2. y This flow of heated gases thruthe conduit 10 of course serves to heat said conduit to a high temperature and brings about an instantaneousfand complete vaporization of the fuel mixture in the conduit 2. f
It will be evident that by the use of this invention it is possible to bring the motor to an efficient Operating condition in a minimum time without the use of a choke valve or other air limiting means and consequently an efficient and economical engine operation is assured and at the same time excessive crankcase dilution is obviated It will be apparent that the device of this invention is simple, inexpensive and easy to install and it will be further evident to those l i skilled in the particular art to which this invention pertains, that complete and efficient vaporization of even low grade fuel mixtures is assured thereby. Y
Due to the fact that thek conduit 10 extends downwardly for a considerable-distance ported the in-flowing fuel mixture is heated at a relatively early point in its travel and conseuently distribution thereofthru the maniold is greatly enhanced.`
I am aware that numerous details of oonstruetion may be varied thru a Widerange Without departing from the principles of this invention and I therefore do not purpose limiting the patent granted hereon otherwise than necessitated by the prior art.`
` Y I'claim as my invention:
V1. In an internal combustion engine the' combination with -the exhaust and intake manifolds of an open ended conduit supin the intake manifold and communivvith the exhaust manifold and an eating apertured easing in the exhaust manifold foi1` supporting saideonduit in position and limiting the flow of exhaust gases therethrough. In an internal combustion engine the combination with the exhaust and intake manifolds of an open ended conduit of relatively thin material supported in the intake manifold and communicating With the exhaust manifold and an apertured casing in gases therethrough. v
3. The combination with the exhaustk and intake manifolds of an internal combustion engine of a flanged threaded opening in the K intake manifold, an aperture in the Wall of the exhaustfnianifold adjacent said threaded opening, a Conduit extending into the intake manifold having a iiange at one end thereof seated on the flange at said opening and an apertured threaded Casing engaging said threaded opening and saidflange onthe oonduit for securing the conduit in position and permittingy a vlimited flow ofvheated exhaust gasesthru said Conduit.
In testimony whereof I have hereunto'subscribed my name.
GEORGE KINGSTON. 'i
US51727A 1925-08-22 1925-08-22 Gas regenerator Expired - Lifetime US1698099A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626913A (en) * 1969-03-17 1971-12-14 Chrysler Corp Exhaust velocity control of exhaust recycling
EP0012533A1 (en) * 1978-11-23 1980-06-25 Secretary of State for Industry in Her Britannic Majesty's Gov. of the United Kingdom of Great Britain and Northern Ireland System for increasing the temperature of an air/fuel mixture delivered to an internal combustion engine
US4316442A (en) * 1979-11-20 1982-02-23 Mcginnis George P Inlet manifold preheating device
US4867109A (en) * 1976-11-26 1989-09-19 Etsuhiro Tezuka Intake passage arrangement for internal combustion engines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626913A (en) * 1969-03-17 1971-12-14 Chrysler Corp Exhaust velocity control of exhaust recycling
US4867109A (en) * 1976-11-26 1989-09-19 Etsuhiro Tezuka Intake passage arrangement for internal combustion engines
EP0012533A1 (en) * 1978-11-23 1980-06-25 Secretary of State for Industry in Her Britannic Majesty's Gov. of the United Kingdom of Great Britain and Northern Ireland System for increasing the temperature of an air/fuel mixture delivered to an internal combustion engine
US4316442A (en) * 1979-11-20 1982-02-23 Mcginnis George P Inlet manifold preheating device

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