EP2011990A2 - Gehäuse für Luftfilter von Verbrennungsmotoren und Verfahren zu deren Herstellung - Google Patents

Gehäuse für Luftfilter von Verbrennungsmotoren und Verfahren zu deren Herstellung Download PDF

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Publication number
EP2011990A2
EP2011990A2 EP08159560A EP08159560A EP2011990A2 EP 2011990 A2 EP2011990 A2 EP 2011990A2 EP 08159560 A EP08159560 A EP 08159560A EP 08159560 A EP08159560 A EP 08159560A EP 2011990 A2 EP2011990 A2 EP 2011990A2
Authority
EP
European Patent Office
Prior art keywords
housing
shell
duct
air
internal combustion
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.)
Granted
Application number
EP08159560A
Other languages
English (en)
French (fr)
Other versions
EP2011990B1 (de
EP2011990A3 (de
Inventor
Umberto Cornaglia
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.)
Officine Metallurgiche G Cornaglia SpA
Original Assignee
Officine Metallurgiche G Cornaglia SpA
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 Officine Metallurgiche G Cornaglia SpA filed Critical Officine Metallurgiche G Cornaglia SpA
Publication of EP2011990A2 publication Critical patent/EP2011990A2/de
Publication of EP2011990A3 publication Critical patent/EP2011990A3/de
Application granted granted Critical
Publication of EP2011990B1 publication Critical patent/EP2011990B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M35/10209—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
    • F02M35/02—Air cleaners
    • F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
    • F02M35/0202—Manufacturing or assembling; Materials for air cleaner housings
    • F02M35/0203—Manufacturing or assembling; Materials for air cleaner housings by using clamps, catches, locks or the like, e.g. for disposable plug-in filter cartridges
    • 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
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • 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
    • 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
    • F02M35/10314—Materials for intake systems
    • F02M35/10321—Plastics; Composites; Rubbers
    • 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
    • F02M35/10354—Joining multiple sections together
    • F02M35/1036—Joining multiple sections together by welding, bonding 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
    • F02M35/02—Air cleaners

Definitions

  • the present invention concerns a. housing for air filters of internal combustion engines, and a method of manufacturing said housing.
  • Internal combustion engines are generally equipped with an air intake system including a separator device or air filter.
  • the air filter intercepts the flow of air sucked in by the motor from the external environment during the intake phase and separates particles with too big a size, which could damage the engine.
  • Conventional air filters generally are formed by a housing where a seat for accommodating a filtering element is defined.
  • the filtering element consists of a replaceable cartridge, made for instance of corrugated paper.
  • the cartridge body divides the space inside the filter housing into two zones: a first zone where air to be filtered arrives and the retained material is collected, and a second zone from which air filtered by the cartridge leaves the filter.
  • Each zone further has an opening, generally equipped with a ring nut, for connection to an inlet duct through which air sucked in from the environment arrives at the filter, and to an outlet duct conveying the filtered air to the intake manifold of the engine, respectively.
  • the housing can generally be opened to allow replacing the cartridge and removing deposits, if any, accumulated in the intake zone.
  • internal combustion engines can be either housed in a suitable compartment, called engine compartment, for instance in case of engines of vehicles, or secured to a frame or supporting structure, for instance in case of static applications, such as engines of hydraulic pumps, current generators, power take-offs, and so on.
  • the space occupied by the engine whether it is an engine compartment in a vehicle or a supporting structure, generally contains a lot of ancillary devices, hydraulic and electric circuits, conduits of different kinds and so on, slaved to the operation of the engine or other devices associated with the engine.
  • one of the circuits generally present in an internal combustion engine is the circuit for recovering the blow-by gases.
  • the hydraulic connection between the base and the intake circuit for blow-by gas return is generally obtained by means of a duct, possibly secured to the engine parts and/or other surrounding components by means of straps or clamps.
  • One of the advantages of the invention is the reduction of the number of separate ducts concerning the operation of an internal combustion engine and the consequent rationalisation of the arrangement of the parts.
  • Another advantage of the invention is the reduction of the overall size of the devices associated with the engine,
  • the duct is preferably integrated into the wall of the housing of the air filter, the space inside the housing is not significantly reduced, whereby pressure drops are avoided.
  • a further but not the last advantage of the invention is the reduction of the manufacturing costs, thanks to the possibility of obtaining at least one section of an ancillary duct at substantially the same cost as the filter housing.
  • reference numeral 11 generally denotes the housing for an air filter, in a preferred embodiment of the invention intended e.g. for use in the intake system applied to the diesel cycle internal combustion engine of a vehicle.
  • housing 11 includes a hollow shell 13, preferably made of two parts 15, 17, e.g. of moulded plastics, joined together, for instance welded. along the corresponding peripheral edge 19, 21, respectively.
  • lower part 15 of shell 13 is divided by a partition 15c into two zones 15a, 15b.
  • the first zone 15a has an opening 23 intended to be associated with the outlet duct supplying air to the intake manifold of the engine, whilst the second zone 15b has an opening 25 intended to be associated with the duct for air intake from the outside.
  • Upper part 17 of shell 13 correspondingly has a pair of windows 17a and 17b, respectively, and a partition 17c, which are superimposed to zones 15a, 15b and partition 15c of lower part 15 when shell 13 is assembled.
  • Shell 13 further includes a cover 27 closing openings 17a and 17b and housing a filtering element.
  • shell 13 has associated therewith a duct 29 that can advantageously be used also in a circuit other than that of the intake system where housing 11 of air filter described herein is included.
  • said duct 29 can advantageously be used in the circuit for recovering the blow-by gases coming from the base of the internal combustion engine.
  • Said duct 29 is preferably equipped, at its opposite ends 31, 33, with respective fast couplings 35 allowing associating the pipes, generally flexible rubber pipes, of the circuit for recovering the blow-by gases with duct 29.
  • a first portion 29a of duct 29 is formed in lower part 15 of shell 13, and a second portion 29b is formed in upper part 17.
  • Each portion 29a, 29b is equipped with a corresponding portion of a connector 37a, 37b, e.g. of the male-female kind. Said portions 37a, 37b are joined together, for instance by welding or simply by fitting, while edges 19, 21 are being joined for assembling shell 13.
  • both portions 29a, 29b of duct 29 are L-shaped and define a radial first section 39a, 39b, respectively, coming out from shell 13, and an axial second section 41a, 41b, respectively, substantially perpendicular to the radial first section 39a, 39b and extending inside shell 13.
  • Radial sections 39a, 39b coming out from shell 13 are moreover substantially diametrically opposite.
  • said duct 29 is preferably integrated into the respective wall 43, 45 of the corresponding part 15, 17 of shell 13.
  • duct 29, after shell 13 has been assembled extends without interruption. Yet, duct 29 could even be interrupted or could have windows or openings on its wall, should said duct be used for instance for the passage of cables or pipes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)
EP08159560.5A 2007-07-06 2008-07-02 Gehäuse für Luftfilter von Verbrennungsmotoren und Verfahren zu deren Herstellung Active EP2011990B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO20070493 ITTO20070493A1 (it) 2007-07-06 2007-07-06 Involucro per filtri aria di motori a combustione interna e metodo per la sua realizzazione.

Publications (3)

Publication Number Publication Date
EP2011990A2 true EP2011990A2 (de) 2009-01-07
EP2011990A3 EP2011990A3 (de) 2009-02-04
EP2011990B1 EP2011990B1 (de) 2015-07-01

Family

ID=39758455

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08159560.5A Active EP2011990B1 (de) 2007-07-06 2008-07-02 Gehäuse für Luftfilter von Verbrennungsmotoren und Verfahren zu deren Herstellung

Country Status (2)

Country Link
EP (1) EP2011990B1 (de)
IT (1) ITTO20070493A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104948357A (zh) * 2015-06-08 2015-09-30 南京金龙新能源汽车研究院有限公司 一种空气滤清器安装组件

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR544415A (fr) 1920-12-14 1922-09-22 Westinghouse Electric & Mfg Co Perfectionnements aux systèmes de contrôle des moteurs électriques
US4653457A (en) 1986-03-21 1987-03-31 General Motors Corporation Air cleaner with crankcase breather assembly
EP0447533A1 (de) 1989-10-02 1991-09-25 Spectra Inc Behandlung von bildern mit heissschmelzbarer tinte.
EP0741242A1 (de) 1995-05-05 1996-11-06 Société Anonyme dite: REGIE NATIONALE DES USINES RENAULT Lufteinlassrohrelement für Brennkraftmaschine
US20030226553A1 (en) 2002-06-07 2003-12-11 Hisakazu Yasui Engine blowby gas processing system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1544415A (fr) * 1966-11-17 1968-10-31 Gen Motors Ltd Filtre à air pour moteur à combustion interne
JP4213968B2 (ja) * 2003-02-14 2009-01-28 愛知機械工業株式会社 内燃機関のブローバイガス還流装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR544415A (fr) 1920-12-14 1922-09-22 Westinghouse Electric & Mfg Co Perfectionnements aux systèmes de contrôle des moteurs électriques
US4653457A (en) 1986-03-21 1987-03-31 General Motors Corporation Air cleaner with crankcase breather assembly
EP0447533A1 (de) 1989-10-02 1991-09-25 Spectra Inc Behandlung von bildern mit heissschmelzbarer tinte.
EP0741242A1 (de) 1995-05-05 1996-11-06 Société Anonyme dite: REGIE NATIONALE DES USINES RENAULT Lufteinlassrohrelement für Brennkraftmaschine
US20030226553A1 (en) 2002-06-07 2003-12-11 Hisakazu Yasui Engine blowby gas processing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104948357A (zh) * 2015-06-08 2015-09-30 南京金龙新能源汽车研究院有限公司 一种空气滤清器安装组件

Also Published As

Publication number Publication date
ITTO20070493A1 (it) 2009-01-07
EP2011990B1 (de) 2015-07-01
EP2011990A3 (de) 2009-02-04

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