EP1375896A3 - Air intake system - Google Patents

Air intake system Download PDF

Info

Publication number
EP1375896A3
EP1375896A3 EP03005658A EP03005658A EP1375896A3 EP 1375896 A3 EP1375896 A3 EP 1375896A3 EP 03005658 A EP03005658 A EP 03005658A EP 03005658 A EP03005658 A EP 03005658A EP 1375896 A3 EP1375896 A3 EP 1375896A3
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
air intake
intake system
recirculation valve
gas recirculation
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.)
Withdrawn
Application number
EP03005658A
Other languages
German (de)
French (fr)
Other versions
EP1375896A2 (en
Inventor
Norbert Simons
Hans-Jürgen Hüsges
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.)
Pierburg GmbH
Original Assignee
Pierburg GmbH
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 Pierburg GmbH filed Critical Pierburg GmbH
Publication of EP1375896A2 publication Critical patent/EP1375896A2/en
Publication of EP1375896A3 publication Critical patent/EP1375896A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10026—Plenum chambers
    • F02M35/10032—Plenum chambers specially shaped or arranged connecting duct between carburettor or air inlet duct and the plenum chamber; specially positioned carburettors or throttle bodies with respect to the plenum chamber
    • 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
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/21—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system with EGR valves located at or near the connection to the intake 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
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
    • 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
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/32—Liquid-cooled heat exchangers
    • 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
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10268—Heating, cooling or thermal insulating means
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10288—Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1034—Manufacturing and assembling intake systems
    • F02M35/10347—Moulding, casting or the like
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/112—Intake manifolds for engines with cylinders all in one line
    • 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
    • F02M26/11—Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
    • 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
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/19—Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake 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
    • F02M26/51—EGR valves combined with other devices, e.g. with intake valves or compressors
    • 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
    • F02M26/65—Constructional details of EGR valves
    • F02M26/66—Lift valves, e.g. poppet valves
    • F02M26/69—Lift valves, e.g. poppet valves having two or more valve-closing members

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

Die Erfindung betrifft den modularen Aufbau eines Luftansaugkanalsystems, welches eine Verteilerplatte (3) aufweist, an die Bauteile wie Drosselklappenstutzen (15), Abgasrückführventil (4) und Abgaskühler (7) angeschlossen werden können und in die die benötigten Kanäle zur Führung des Abgases vom Zylinderkopf zurück über das Abgasrückführventil (4), den Abgaskühler (7) und eine Ringblende (17) zum Sammeleinlaß (12) integriert sind.

Figure imgaf001
The invention relates to the modular design of an air intake duct system, which has a distributor plate (3) to which components such as throttle body (15), exhaust gas recirculation valve (4) and exhaust gas cooler (7) can be connected and in the required channels for guiding the exhaust gas from the cylinder head back via the exhaust gas recirculation valve (4), the exhaust gas cooler (7) and a ring orifice (17) to the collection inlet (12) are integrated.
Figure imgaf001
EP03005658A 2002-06-25 2003-03-13 Air intake system Withdrawn EP1375896A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10228247.1A DE10228247B4 (en) 2002-06-25 2002-06-25 The air intake channel
DE10228247 2002-06-25

Publications (2)

Publication Number Publication Date
EP1375896A2 EP1375896A2 (en) 2004-01-02
EP1375896A3 true EP1375896A3 (en) 2007-01-17

Family

ID=29716635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03005658A Withdrawn EP1375896A3 (en) 2002-06-25 2003-03-13 Air intake system

Country Status (2)

Country Link
EP (1) EP1375896A3 (en)
DE (1) DE10228247B4 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10341393B3 (en) * 2003-09-05 2004-09-23 Pierburg Gmbh Air induction port system for internal combustion engines has exhaust gas return passage made in one piece with casing, and exhaust gas return valve and throttle valve are constructed as cartridge valve for insertion in holes in casing
FR2870893B1 (en) * 2004-05-25 2008-08-08 Mark Iv Systemes Moteurs Sa INTEGRATED AIR INTAKE MODULE AND METHOD FOR MANUFACTURING THE SAME
FR2891020B1 (en) * 2005-09-16 2007-11-23 Renault Sas INTAKE DISTRIBUTOR INCORPORATING A PORTION OF AN EXHAUST GAS RECIRCULATION CIRCUIT AND INTERNAL COMBUSTION ENGINE COMPRISING SUCH AN INTAKE DISTRIBUTOR
FR2894295B1 (en) 2005-12-01 2010-04-30 Mark Iv Systemes Moteurs Sa MULTIFUNCTIONAL MODULE FOR INTERNAL COMBUSTION ENGINE
FR2921592B1 (en) * 2007-09-28 2010-02-26 Gie Rencast ALUMINUM ALLOY PIECE FOR EXHAUST GAS TREATMENT UNIT OF THERMAL MOTOR VEHICLE
DE102007054955B4 (en) * 2007-11-17 2019-02-14 Deutz Ag Multi-cylinder internal combustion engine with V-shaped rows of cylinders and an exhaust gas recirculation cooler
FR2954413B1 (en) * 2009-12-21 2016-01-01 Valeo Systemes Thermiques GAS SUPPLY MODULE OF A MOTOR VEHICLE ENGINE, ASSEMBLY OF A CYLINDER HEAD OF AN ENGINE AND SUCH A MODULE AND THERMAL MOTOR COMPRISING SUCH AN ASSEMBLY.
CN101943093B (en) * 2010-10-14 2012-01-25 张珊 Distribution auxiliary device of engine
GB2487591B (en) * 2011-01-28 2016-07-20 Gm Global Tech Operations Llc Internal Combustion Engine Having a Cooler Located in an Intake Manifold
DE102013215614A1 (en) * 2013-08-07 2015-02-12 Volkswagen Aktiengesellschaft Function module for a motor
FR3028566B1 (en) * 2014-11-14 2016-12-30 Valeo Systemes Thermiques INTAKE MANIFOLD, ASSEMBLY COMPRISING SAID INTAKE MANIFOLD AND COOLING SYSTEM COMPRISING SUCH A SUITABLE ASSEMBLY FOR AN ACTUATOR WITHIN A MOTOR VEHICLE
FR3030637B1 (en) * 2014-12-22 2018-02-16 Valeo Systemes De Controle Moteur POWER SUPPLY MODULE FOR A COMBUSTION ENGINE HAVING A COOLING CHANNEL

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2062749A (en) * 1979-10-09 1981-05-28 Ford Motor Co Internal Combustion Engine With EGR Cooler
EP1010889A2 (en) * 1998-12-18 2000-06-21 Detroit Diesel Corporation Engine air intake manifold having built-in intercooler
DE19910781A1 (en) * 1999-03-11 2000-09-14 Mahle Filtersysteme Gmbh Piston engine for motor vehicles with forced mixing of gases due to feeding hot exhaust gases into relatively cool fresh air, for low gas mixture temperature
DE19937781A1 (en) * 1999-08-10 2001-02-15 Mann & Hummel Filter Internal combustion engine with secondary air intake system
JP2001304044A (en) * 2000-04-19 2001-10-31 Aisan Ind Co Ltd Gas leading device for intake passage and manufacturing method therefor
DE10028131C1 (en) * 2000-06-07 2001-12-13 Daimler Chrysler Ag Exhaust gas feedback system for internal combustion engine has flange component provided with exhaust gas feedback channels leading to exhaust gas feedback line and flow control valve
EP1167739A2 (en) * 2000-06-30 2002-01-02 Honda Giken Kogyo Kabushiki Kaisha Device for feeding blow-by gas and recirculated exhaust gas to a suction passage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08144868A (en) * 1994-11-17 1996-06-04 Toyota Motor Corp Exhaust gas recirculation system for internal combustion engine
DE19836648A1 (en) 1998-08-13 2000-02-17 Pierburg Ag Fluid valve
DE10062677A1 (en) * 2000-12-15 2002-06-20 Pierburg Ag Exhaust gas introduction device for an air intake duct system of an internal combustion engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2062749A (en) * 1979-10-09 1981-05-28 Ford Motor Co Internal Combustion Engine With EGR Cooler
EP1010889A2 (en) * 1998-12-18 2000-06-21 Detroit Diesel Corporation Engine air intake manifold having built-in intercooler
DE19910781A1 (en) * 1999-03-11 2000-09-14 Mahle Filtersysteme Gmbh Piston engine for motor vehicles with forced mixing of gases due to feeding hot exhaust gases into relatively cool fresh air, for low gas mixture temperature
DE19937781A1 (en) * 1999-08-10 2001-02-15 Mann & Hummel Filter Internal combustion engine with secondary air intake system
JP2001304044A (en) * 2000-04-19 2001-10-31 Aisan Ind Co Ltd Gas leading device for intake passage and manufacturing method therefor
DE10028131C1 (en) * 2000-06-07 2001-12-13 Daimler Chrysler Ag Exhaust gas feedback system for internal combustion engine has flange component provided with exhaust gas feedback channels leading to exhaust gas feedback line and flow control valve
EP1167739A2 (en) * 2000-06-30 2002-01-02 Honda Giken Kogyo Kabushiki Kaisha Device for feeding blow-by gas and recirculated exhaust gas to a suction passage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 02 2 April 2002 (2002-04-02) *

Also Published As

Publication number Publication date
DE10228247B4 (en) 2014-05-15
DE10228247A1 (en) 2004-01-15
EP1375896A2 (en) 2004-01-02

Similar Documents

Publication Publication Date Title
EP1375896A3 (en) Air intake system
EP1770272A3 (en) Multi-cylinder Engine
EP2025896A3 (en) Centrifugal compressor for a turbocharger
EP2053233A3 (en) Multiple height fluid mixer and method of use
WO2006089780A8 (en) Fresh gas supply device for a turbocharged piston internal combustion engine
EP1316699A3 (en) Turbocharger for an internal combustion engine and method for operating a turbocharged internal combustion engine
EP2851646A3 (en) Heat exchanger for a combustion engine
KR920702460A (en) Suction device for internal combustion engine used in 1st and 2nd stage supercharging
EP1870591A3 (en) Intake device for an internal combustion engine
DE102010041066B4 (en) Carrier housing and internal combustion engine
EP1674679A3 (en) Combustion engine with fresh air and ventilating system
EP1754870A3 (en) Turbocharged combustion engine
EP2161429A3 (en) Suction module for a combustion engine
EP2297434A1 (en) Device and method for ventilating a crankcase
EP0898059A3 (en) Decompression valve engine brake
EP1847783A3 (en) Heat pump device
EP1548245A3 (en) Exhaust manifold
EP1065365A3 (en) Exhaust gas recirculation valve
EP1164280A3 (en) Air intake device for a combustion engine
EP1273786A3 (en) Switching device for exhaust gas recirculation in an internal combustion engine
EP2028419A3 (en) Exhaust gas device for a combustion device in a motor vehicle
EP2169205A3 (en) Method for operating a combustion engine
EP1628013A3 (en) Air flow arrangement for a reduced-emission single cylinder engine
DE102004016010A1 (en) Method and device for operating an internal combustion engine
EP1255077A3 (en) Device for the combustion of a gaseous mixture of fuel and oxidant

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20030313

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

AKX Designation fees paid

Designated state(s): DE ES FR GB IT

17Q First examination report despatched

Effective date: 20091104

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20171003

RIC1 Information provided on ipc code assigned before grant

Ipc: F02M 35/10 20060101AFI20030930BHEP

Ipc: F02M 25/07 20060101ALI20030930BHEP