ES2062510T3 - Piston y procedimiento para conseguir un encendido controlado. - Google Patents

Piston y procedimiento para conseguir un encendido controlado.

Info

Publication number
ES2062510T3
ES2062510T3 ES90902452T ES90902452T ES2062510T3 ES 2062510 T3 ES2062510 T3 ES 2062510T3 ES 90902452 T ES90902452 T ES 90902452T ES 90902452 T ES90902452 T ES 90902452T ES 2062510 T3 ES2062510 T3 ES 2062510T3
Authority
ES
Spain
Prior art keywords
piston
combustion
charge
reaction chamber
fuel
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
Application number
ES90902452T
Other languages
English (en)
Inventor
Charles C Failla
Andrew A Pouring
Bruce Rankin
Priolo Carlo Leto Di
William Mccowan
Dennis Gosewisch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sonex Research Inc
Original Assignee
Sonex Research Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sonex Research Inc filed Critical Sonex Research Inc
Application granted granted Critical
Publication of ES2062510T3 publication Critical patent/ES2062510T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F02B21/00—Engines characterised by air-storage chambers
    • F02B21/02—Chamber shapes or constructions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/28—Other pistons with specially-shaped head
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
    • F02B23/0627—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion having additional bores or grooves machined into the piston for guiding air or charge flow to the piston bowl
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0636—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston the combustion space having a substantially flat and horizontal bottom
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0672—Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/26—Pistons  having combustion chamber in piston head
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/40—Squish effect
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0603—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/0669—Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

SE PRESENTA UN PISTON CON UNA CAMARA DE REACCION (44) COMUNICADA CON UNA ZONA DE VACIADO DEL PISTON (42), A TRAVES DE UN ORIFICIO CONTINUO LIMITADO (46). EL COMBUSTIBLE ACUSA UN PROCESO CONTROLADO DE REACCION EN ENCENDIDO EN FRIO MIENTRAS HACE CONTACTO DIRECTAMENTE CON LA CORONA (54), DEL PISTON (14). LA REACCION PRODUCE SUFICIENTES RADICALES PARA ORIGINAR LAS SUBSECUENTES CARGAS DE COMBUSTIBLE EN CONDICIONES ADECUADAS. EL ORIFICIO CONTINUO (46) ASEGURA QUE EL FLUJO EXTERNO DE RADICALES DE LA CAMARA DE REACCION, SEA CONTROLADO EN SU TOTALIDAD Y MANTENIDO EN LA CAMARA DE COMBUSTION SIGUIENDO UN EXHAUSTIVO PROCESO DEL CICLO DE COMBUSTION QUE PERMANECERA DURANTE LA CARRERA DEL SUBSIGUIENTE GOLPE DE PISTON QUE A SU VEZ ORIGINA OTRA SUBSECUENTE CARGA. LA POBLACION DE RADICALES EN CADA CARGA, LA CONDICION PARA OBTENER UNA SEGURIDAD DE IGNICION EN UN MOTOR DE COMPRESION POR IGNICION EN TANTO QUE PERCUTE EN LIBRE, A UN AIRE RELATIVAMENTE POBRE EN LAS PROPORCIONES DE COMBUSTIBLE SOBRE LA CHISPA ELECTRICA
ES90902452T 1989-02-16 1990-01-23 Piston y procedimiento para conseguir un encendido controlado. Expired - Lifetime ES2062510T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/311,289 US4898135A (en) 1989-02-16 1989-02-16 Piston and process for achieving controlled ignition and combustion of hydrocarbon fuels in internal combustion engines by generation and management of fuel radical species

Publications (1)

Publication Number Publication Date
ES2062510T3 true ES2062510T3 (es) 1994-12-16

Family

ID=23206240

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90902452T Expired - Lifetime ES2062510T3 (es) 1989-02-16 1990-01-23 Piston y procedimiento para conseguir un encendido controlado.

Country Status (10)

Country Link
US (1) US4898135A (es)
EP (1) EP0458809B1 (es)
JP (1) JP3181908B2 (es)
KR (1) KR970001124B1 (es)
AT (1) ATE113342T1 (es)
AU (1) AU4958990A (es)
CA (1) CA2046602A1 (es)
DE (1) DE69013677T2 (es)
ES (1) ES2062510T3 (es)
WO (1) WO1990009519A1 (es)

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US10316734B2 (en) * 2016-10-05 2019-06-11 Caterpillar Inc. Piston and cylinder features for enhanced squish flow
US9909489B1 (en) 2016-10-05 2018-03-06 Caterpillar Inc. Piston fluid passages for reduced soot
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US10989109B2 (en) * 2018-07-18 2021-04-27 Warren Engine Company Fuel ignition methods for opposed piston engines and related structures
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Also Published As

Publication number Publication date
CA2046602A1 (en) 1990-08-17
ATE113342T1 (de) 1994-11-15
AU4958990A (en) 1990-09-05
JPH04505198A (ja) 1992-09-10
DE69013677T2 (de) 1995-03-02
DE69013677D1 (de) 1994-12-01
WO1990009519A1 (en) 1990-08-23
EP0458809B1 (en) 1994-10-26
KR920701646A (ko) 1992-08-12
US4898135A (en) 1990-02-06
JP3181908B2 (ja) 2001-07-03
EP0458809A4 (en) 1992-03-11
KR970001124B1 (ko) 1997-01-28
EP0458809A1 (en) 1991-12-04

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