US1260408A - Internal-combustion engine. - Google Patents

Internal-combustion engine. Download PDF

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Publication number
US1260408A
US1260408A US18092517A US18092517A US1260408A US 1260408 A US1260408 A US 1260408A US 18092517 A US18092517 A US 18092517A US 18092517 A US18092517 A US 18092517A US 1260408 A US1260408 A US 1260408A
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compartment
sleeve
internal
combustion engine
apertures
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Expired - Lifetime
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US18092517A
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Harry Ferdinand Leissner
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Definitions

  • This invention relates to internal combustion engines of the kind set forth in the U. S. Patent Nr. 1,136,818 in which liquid fuel is used and in which the combustion chamber of the engine is in permanent open communication with a primary explosion chamber divided by means of a sleeve into two compartments, one inside and one outside the sleeve, the compartment inside the sleeve being in direct communication with the combustion chamber, while the compartment outside the sleeve is connected with that inside the sleeve by means of apertures formed in the wall of the sleeve.
  • the fuel is sprayed from anozzle directly into the compartment of the primary explosion chamber inside the sleeve at the moment of highest compression so that the fuel is ignited immediately thereby effecting a preexplosion in the said inner compartment.
  • this preexplosion part of the fuel is forced into the compartment outside the sleeve by way of the said apertures, such fuel serving to scavenge the first-mentioned compartment of the primary explosion chamber during the expansion stroke.
  • Another object of the invention is to increase the rapidity with which the equalization of the pressures in the two compartments of the primary explosion chamber takes place.
  • the invention consists in this that the apertures formed in the wall of the sleeve and connecting the two compartments of the primary explosion chamber with each other extend obliquely through such wall in order that the gas mixture passing through said apertures from one compartment into another may be caused to perform a rotary movement in the latter compartment.
  • Figure 1 shows a longitudinal section through part of the cylinder head of an internal combustion eng1ne provided with a primary explosion chamber according to this invention.
  • Fig. 2 is a cross-section on the line IIII of Fig. 1.
  • the sleeve 3 dividing the primary explosion chamber into two compartments 4 and 5 is provided with a number of apertures 6 extending obliquely through the wall of the sleeve in such a manner as to cause the gas mixture passing through said apertures from the compartment 4 into the compartment 5, due to the preexplosion, to perform a rotary movement in the last-mentioned compartment thereby mixing itself rapidly with the air contained in said compartment.
  • the fuel When flowing back through the compartment 4 into the cylinder as the pressure therein falls during the expansion stroke, the fuel will, of course, also be caused to perform a rotary movement in the compartment 4 which results in an efiective scavenging of this compartment.
  • the apertures 6 may also extend obliquely with regard to the longitudinal direction of the sleeve, either as shown in Fig. 1 or in the opposite way.
  • a combustion chamber In an internal combustion engine, the combination of a combustion chamber, a primary explosion chamber, a sleeve in permanent communication with the former and extending into the latter and dividing it into two compartments, one outside and one inside said sleeve; the sleeve being provided with apertures which extend obliquely through its wall and connect the said compartments, whereby gas mixture passing through said apertures is caused to perform a rotary movement in the compartment into which it is discharged, and a fuel nozzle opening into the compartment inside the sleeve.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Description

Patented Mar. 26, 1918.
IE6 N E Y mm 8TH S I I D '0 INTERNAL C APPLICATION HARRY FERDINAND LEISSNER, 0F LJUSNE, SWEDEN.
INTERNAL-COMBUSTION ENGINE.
Specification of Letters Patent.
Patented Mar. 26, 1911.8.
Application filed. July 16, 1917. Serial No. 180,925.
To all whom it may concern:
Be it known that I, HARRY FERDINAND LEISSNER, a citizen of the Kingdom of Sweden, residing at Ljusne, Sweden, have invented new and useful Improvements in Internal-Combustion Engines, of which the following is a specification.
This invention relates to internal combustion engines of the kind set forth in the U. S. Patent Nr. 1,136,818 in which liquid fuel is used and in which the combustion chamber of the engine is in permanent open communication with a primary explosion chamber divided by means of a sleeve into two compartments, one inside and one outside the sleeve, the compartment inside the sleeve being in direct communication with the combustion chamber, while the compartment outside the sleeve is connected with that inside the sleeve by means of apertures formed in the wall of the sleeve.
In such an engine the fuel is sprayed from anozzle directly into the compartment of the primary explosion chamber inside the sleeve at the moment of highest compression so that the fuel is ignited immediately thereby effecting a preexplosion in the said inner compartment. By this preexplosion part of the fuel is forced into the compartment outside the sleeve by way of the said apertures, such fuel serving to scavenge the first-mentioned compartment of the primary explosion chamber during the expansion stroke.
The to facilltate and accelerate the mixing of the fuel injected by the pree'xplosion into the compartment of the primary explosion chamber outside the sleeve with the air contained in said compartment.
Another object of the invention is to increase the rapidity with which the equalization of the pressures in the two compartments of the primary explosion chamber takes place. With these objects in view the invention consists in this that the apertures formed in the wall of the sleeve and connecting the two compartments of the primary explosion chamber with each other extend obliquely through such wall in order that the gas mixture passing through said apertures from one compartment into another may be caused to perform a rotary movement in the latter compartment.
rincipal object of the invention is The invention is illustrated on the accompanying drawing in which Figure 1 shows a longitudinal section through part of the cylinder head of an internal combustion eng1ne provided with a primary explosion chamber according to this invention. Fig. 2 is a cross-section on the line IIII of Fig. 1.
Referring to the drawing, the sleeve 3 dividing the primary explosion chamber into two compartments 4 and 5 is provided with a number of apertures 6 extending obliquely through the wall of the sleeve in such a manner as to cause the gas mixture passing through said apertures from the compartment 4 into the compartment 5, due to the preexplosion, to perform a rotary movement in the last-mentioned compartment thereby mixing itself rapidly with the air contained in said compartment. When flowing back through the compartment 4 into the cylinder as the pressure therein falls during the expansion stroke, the fuel will, of course, also be caused to perform a rotary movement in the compartment 4 which results in an efiective scavenging of this compartment.
In order to obtain a very rapid equalization of the pressures in the chambers 4 and 5 the apertures 6 may also extend obliquely with regard to the longitudinal direction of the sleeve, either as shown in Fig. 1 or in the opposite way.
Having now described my invention, what I claim as new and desire to secure by Letters Patent is:
In an internal combustion engine, the combination of a combustion chamber, a primary explosion chamber, a sleeve in permanent communication with the former and extending into the latter and dividing it into two compartments, one outside and one inside said sleeve; the sleeve being provided with apertures which extend obliquely through its wall and connect the said compartments, whereby gas mixture passing through said apertures is caused to perform a rotary movement in the compartment into which it is discharged, and a fuel nozzle opening into the compartment inside the sleeve.
In testimony whereof I have signed my name.
HARRY FERDINAND LEISSNER.
US18092517A 1917-07-16 1917-07-16 Internal-combustion engine. Expired - Lifetime US1260408A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2696199A (en) * 1951-12-28 1954-12-07 Daimler Benz Ag Precombustion diesel engine
US4548172A (en) * 1983-06-22 1985-10-22 Caterpillar Tractor Co. Ignition-assisted fuel combustion system
US4846126A (en) * 1987-12-18 1989-07-11 Urban Transportation Development Corporation Ltd. Natural gas fuel injection
US5931387A (en) * 1997-05-20 1999-08-03 Combustion Components Associates, Inc. Liquid atomizer
US6053431A (en) * 1997-05-20 2000-04-25 Combustion Components Associates, Inc. Liquid Atomizer
US6125815A (en) * 1997-12-02 2000-10-03 Invent GmbH--Entwicklung Neuer Technologien Method and device for converting heat into work
US7040280B1 (en) * 2005-02-08 2006-05-09 General Motors Corporation Spark ignition enhancer and spark plug therewith
US20160097360A1 (en) * 2014-10-01 2016-04-07 Sandia Corporation Ducted fuel injection
US9587606B2 (en) * 2015-04-13 2017-03-07 Caterpillar Inc. Ducted combustion systems utilizing tubular ducts
US10119456B2 (en) * 2017-01-10 2018-11-06 Caterpillar Inc. Ducted combustion systems utilizing flow field preparation
US20190063391A1 (en) * 2017-08-31 2019-02-28 Caterpillar Inc. Fuel injector assembly having duct structure
US11549429B2 (en) * 2018-01-12 2023-01-10 Transportation Ip Holdings, Llc Engine mixing structures
US11608803B2 (en) 2021-07-07 2023-03-21 Transportation Ip Holdings, Llc Insert device for fuel injection
US11725619B2 (en) 2021-02-23 2023-08-15 Transportation Ip Holdings, Llc Alignment system and associated method
US11781469B2 (en) 2021-08-12 2023-10-10 Transportation Ip Holdings, Llc Insert device for fuel injection

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2696199A (en) * 1951-12-28 1954-12-07 Daimler Benz Ag Precombustion diesel engine
US4548172A (en) * 1983-06-22 1985-10-22 Caterpillar Tractor Co. Ignition-assisted fuel combustion system
US4846126A (en) * 1987-12-18 1989-07-11 Urban Transportation Development Corporation Ltd. Natural gas fuel injection
US5931387A (en) * 1997-05-20 1999-08-03 Combustion Components Associates, Inc. Liquid atomizer
US6053431A (en) * 1997-05-20 2000-04-25 Combustion Components Associates, Inc. Liquid Atomizer
US6125815A (en) * 1997-12-02 2000-10-03 Invent GmbH--Entwicklung Neuer Technologien Method and device for converting heat into work
US7040280B1 (en) * 2005-02-08 2006-05-09 General Motors Corporation Spark ignition enhancer and spark plug therewith
US9909549B2 (en) * 2014-10-01 2018-03-06 National Technology & Engineering Solutions Of Sandia, Llc Ducted fuel injection
US20160097360A1 (en) * 2014-10-01 2016-04-07 Sandia Corporation Ducted fuel injection
US9587606B2 (en) * 2015-04-13 2017-03-07 Caterpillar Inc. Ducted combustion systems utilizing tubular ducts
US10119456B2 (en) * 2017-01-10 2018-11-06 Caterpillar Inc. Ducted combustion systems utilizing flow field preparation
US20190063391A1 (en) * 2017-08-31 2019-02-28 Caterpillar Inc. Fuel injector assembly having duct structure
US10711752B2 (en) * 2017-08-31 2020-07-14 Caterpillar Inc. Fuel injector assembly having duct structure
US11549429B2 (en) * 2018-01-12 2023-01-10 Transportation Ip Holdings, Llc Engine mixing structures
US11725619B2 (en) 2021-02-23 2023-08-15 Transportation Ip Holdings, Llc Alignment system and associated method
US11608803B2 (en) 2021-07-07 2023-03-21 Transportation Ip Holdings, Llc Insert device for fuel injection
US11781469B2 (en) 2021-08-12 2023-10-10 Transportation Ip Holdings, Llc Insert device for fuel injection

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