WO2016113092A1 - Soupape d'éjection de contaminants - Google Patents

Soupape d'éjection de contaminants Download PDF

Info

Publication number
WO2016113092A1
WO2016113092A1 PCT/EP2015/081030 EP2015081030W WO2016113092A1 WO 2016113092 A1 WO2016113092 A1 WO 2016113092A1 EP 2015081030 W EP2015081030 W EP 2015081030W WO 2016113092 A1 WO2016113092 A1 WO 2016113092A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
valve body
fitting
contaminants
valve according
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.)
Ceased
Application number
PCT/EP2015/081030
Other languages
English (en)
Inventor
Tadeu Miguel Malago Amaral
Alexandre LUCHESI DE ALMEIDA
Edson VALDOMIRO DE AZEVEDO JUNIOR
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.)
Mahle Metal Leve SA
Mahle International GmbH
Original Assignee
Mahle Metal Leve SA
Mahle International 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 Mahle Metal Leve SA, Mahle International GmbH filed Critical Mahle Metal Leve SA
Publication of WO2016113092A1 publication Critical patent/WO2016113092A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F02M35/02—Air cleaners
    • F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4272—Special valve constructions adapted to filters or filter elements
    • 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
    • F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/086—Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers

Definitions

  • the invention pertains in general to a valve for a filtering element and, more specifically, the invention is related to a valve used in a housing which holds a filtering element, such as an air filter for an internal combustion engine, for the ejecting of contaminants which build up in said housing.
  • a filtering element such as an air filter for an internal combustion engine
  • Filters or filtering elements are means commonly used to separate a fluid from undesirable elements, such as a contaminant, which may consist of a solid or a liquid.
  • a contaminant which may consist of a solid or a liquid.
  • various filters are used to separate contaminants from the fluids normally used by such engines, such as oil filters, air filters, and fuel filters.
  • an air filter this is generally composed of a filtering means, such as paper or fabric, arranged in a structure and enclosed in a housing which has the purpose of both protecting the filter and guaranteeing a controlled flow of air to ensure an adequate filtration .
  • the housings of air filters contain a valve, generally located upstream from the entry to the filtering element, whose purpose is to eject contaminants which build up at the entry of the system composed of the air inlet, housing, and filtering element.
  • This valve basically consists of a diaphragm of truncated cone format, made of an elastomer material, which ejects the contaminants by gravity after a certain build-up has occurred.
  • the invention deals with a contaminant ejection valve, which valve is intended in particular to be installed in a housing of an air filter, which comprises : a body comprising an upper part and a lower part, the upper part comprising an opening which is intended to be installed in and in fluid communication with a housing of a filtering element, the lower part having an inclined plane which is integrated with the body and likewise comprising at least one opening for the ejecting of contaminants; and a diaphragm installed in said at least one opening, formed in the lower part of said body, to enable the controlled ejection of contaminants when there is a neutral and/or positive pressure inside the housing of the filtering element.
  • said body comprises a truncated cone format; - said valve additionally contains a sealing means; said valve additionally contains a means of pressing said body against said sealing means; said body additionally contains means of fitting to said means of pressing; said valve additionally contains a receptacle to hold the contaminants ejected; said receptacle is secured to said means of fitting of said body; and - said inclined plane has an inclination in the range of 30° to 45° in relation to the horizontal plane .
  • Figure 1 is a side sectional view of a valve according to one embodiment of the invention.
  • Figure 2 is an exploded perspective view of the valve of Fig. 1;
  • Figure 3 is a lower perspective view of the installed valve of Fig. 1.
  • valve (10) according to one embodiment of the invention.
  • the valve comprises a body (11) which has an upper end (22) and a lower end (19), the upper end (22) comprising a body opening (12) and is intended to be installed in a housing (not shown) of a filtering element, such as an air filter.
  • the housing also has an opening to enable fluid communication with said body opening (12) of the valve body (11) .
  • the valve body (11) encloses an interior (31) in which contaminants can be collected. Said contaminants coming from said filter element and entering the valve body (11) though the body opening (12) .
  • the body (11) likewise comprises at least one ejection opening (13), or more than one ejection opening (13, 13') / as shown in Fig. 2, intended to allow the ejecting of contaminants which have built up in the interior (31) of the valve body (11), as will become more clear from the description given in the course of this specification.
  • the valve body (11) has at the lower end (19) an inclination in the direction of the ejection opening (13, 13') to enable the build-up of contaminants in the ejection opening (13, 13') itself. In other words, the inclination guides contaminants due to the effect of gravity downwards and towards the at least one ejection opening (13, 13') .
  • An angle a of this inclination may vary according to the design specifications, and is preferably in the range of 30° to 45° in relation to the horizontal plane (23) .
  • the lower end (19) lies within an inclination plane (24) having the inclination angle (a) with a reference plane (25) .
  • This reference plane (25) extends perpendicular to a longitudinal center axis (26) of the valve body (11) .
  • the reference plane (25) extends parallel to the horizontal plane (23) . Due to this inclination the lower end (19) shows with respect to the upper end (22) and the body opening (12) a proximal portion (27) and a distal portion (28) .
  • the proximal portion (27) of the lower end (19) is arranged closer to the upper end (22) than the distal portion (28) of the lower end (19) .
  • the at least one ejection opening (13, 13') is provided in the distal portion (28) of the lower end (19) .
  • the at least one ejection opening (13, 13') is arranged at the lower end (19) excentric with respect of the longitudinal center axis (26) of the valve body (11) . It is also clear, that the distal protion (28) with the at least one ejection opening (13, 13') is at the lowest position of the valve body (11), when the valve (10) is in its mounted state, preferably when the valve (10) is mounted to said air filter .
  • the diaphragm (14) is preferably made of a resilient elastomer material, such rubber, and it can have a pin (17) which is mounted in another opening (18) provided in the body (11) proper, or a conventional and already known installation.
  • the diaphragm (14) is arranged at an outside (29) of the lower end (19), said outside (29) turned away from the interior (31), or from the upper end (22), or from the body opening (12), respectively.
  • the latter may have means of fitting (15, 15') to a means of pressing (20) , such as a ring, which can likewise comprise corresponding means of fitting (21, 21') to the means of fitting (15, 15') of the valve body (11), such as a "click" type lock, as shown in the figures.
  • a sealing element (30) can be provided between the body (11) and the pressing means (20), in order to guarantee tightness of the whole.
  • Said sealing element (30) can be in the form of a ring of elastomer material, such as rubber or a suitable polymer .
  • a fixation element (40), such as a clip or clamp, can be used to provide the fixation of the valve
  • the valve (10) can additionally contain a receptacle (50) to hold the contaminants ejected and, at the same time, prevent solids from reaching the valve (10) and damaging it.
  • the receptacle (50) can comprise one or more openings (51) to enable the exiting of contaminants and, if contaminants of larger size build up that cannot pass through this one or more openings (51), the receptacle (50) can be designed to be removable.
  • the receptacle (50) can also be fixed to the valve body
  • fitting means (52, 52') can be, for example, "click" type locks, as are shown in the figures.
  • fitting means (52, 52') can be, for example, "click" type locks, as are shown in the figures.
  • other means of fitting and/or fixation can be provided besides those described here, such as clips, screws, etc, it being understood that the fitting means used are not relevant to the scope of the invention.
  • the aforementioned means of fitting (15, 15') for attaching said means of pressing (20) to the valve body (11) form first fitting means (15, 15'), wherein said means of fitting (16, 16') for attaching said receptacle (50) to the valve body (11) form second fiting means (16, 16') .
  • the first fitting means (15, 15') and the second fitting means (16, 16') both are arranged at the outside of the upper end (22) of the valve body (11) .
  • the first and second fitting means (15, 15'; 16, 16') are arranged alternatingly in the circumferential direction (32) at the upper end (22) of the valve body (11) .
  • the first fitting means (15, 15') form a first clip lock connection (33) having a first clipping direction (34) which extends parallel to the longitudinal center axis (26) and in which the means of pressing (20) and the valve body (11) are plugged together for activating the first clip lock connection (33) .
  • the first clipping direction (34) is directed from the upper end (22) to the lower end (19) .
  • the second fitting means (16, 16') form a second clip lock connection (35) having a second clipping direction (36) which extends parallel to the longitudinal center axis (26) and in which the receptacle (50) and the valve body (11) are pugged together for activating the second slip lock connection (35) .
  • the second clipping direction (36) is directed from the lower end (19) to the upper end (22) . Therefore, first and second clipping directions (34, 36) are oriented in opposing directions and towards each other.
  • the means of pressing (20) is also provided with protectors (37) protecting and securing the second fitting means (16, 16') against releasing the connection between receptacle (50) and valve body (11) .
  • the respective protector (37) axially overlaps the respective second fitting means (16, 16') in such a way, that the fitting means (52, 52') provided at the receptacle (50) cannot be reached and therefore cannot be manipulated for releasing the fitting menas (52, 52') of the receptacle (50) from the fitting means (16, 16') provided at the valve body (11) .
  • the valve (10) designed as mentioned is installed with its upper body opening (12) in fluid communication with an opening provided in the housing of a filtering element, such as an air filter of an internal combustion engine.
  • a filtering element such as an air filter of an internal combustion engine.
  • the air filter is in fluid communication with the intake manifold of an internal combustion engine and generally works in negative pressure, that is, a vacuum is created inside the filter for the intake of air, which moves through the filtering element before entering the intake manifold, and this air is mixed with the fuel to accomplish burning in the combustion chamber.
  • the opening provided in the housing and where the valve (10) is installed is generally positioned upstream from the inlet of the air filter, so that the contaminants will build up and be directed to the valve (10) before entering the air filter, thereby preventing damage to the filtering element. Since the pressure inside the housing of the filtering element is generally negative, the diaphragm (14) will function as a means of closing the opening (13, 13') of the valve (10), allowing the contaminants to build up inside the valve body (11) .
  • the diaphragm (14) both performs a function of preventing the contaminants from returning to the housing of the filtering element and thereby preventing the contaminants from entering the air filter, and allows said contaminants to be ejected in controlled fashion and in frequent manner.
  • valve (10) herein proposed by the invention described here allows the contaminants to be ejected in more frequent and efficient manner, preventing the build-up of contaminants in the housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Details Of Valves (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

La présente invention concerne en général une soupape pour un élément filtrant et, plus précisément, l'invention concerne une soupape utilisée dans un boîtier qui contient un élément filtrant, tel qu'un filtre à air pour un moteur à combustion interne. Selon un mode de réalisation de l'invention, la soupape d'éjection de contaminants (10) comprend un corps (11) qui comprend une partie supérieure et une partie inférieure, la partie supérieure comprenant une ouverture (12) qui est destinée à être installée dans un boîtier d'un élément filtrant et en communication fluidique avec celui-ci, la partie inférieure ayant un plan incliné qui est intégré avec le corps et comprenant également au moins une ouverture (13) pour l'éjection des contaminants ; et un diaphragme (14) monté dans ladite au moins une ouverture (13), formé dans la partie inférieure dudit corps, pour permettre une éjection contrôlée des contaminants en présence d'une pression neutre et/ou positive à l'intérieur du boîtier de l'élément filtrant.
PCT/EP2015/081030 2015-01-15 2015-12-22 Soupape d'éjection de contaminants Ceased WO2016113092A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRBR102015000957.7 2015-01-15
BR102015000957A BR102015000957A2 (pt) 2015-01-15 2015-01-15 válvula de ejeção de contaminantes

Publications (1)

Publication Number Publication Date
WO2016113092A1 true WO2016113092A1 (fr) 2016-07-21

Family

ID=55071013

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/081030 Ceased WO2016113092A1 (fr) 2015-01-15 2015-12-22 Soupape d'éjection de contaminants

Country Status (2)

Country Link
BR (1) BR102015000957A2 (fr)
WO (1) WO2016113092A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388091A (en) * 1981-07-29 1983-06-14 Nelson Industries, Inc. Air cleaner having a dust dumping valve
DE19849089A1 (de) * 1998-10-24 2000-04-27 Mann & Hummel Filter Filter, insbesondere für die Ansaugluft einer Brennkraftmaschine
US20030178348A1 (en) * 2002-03-22 2003-09-25 Mulder David Wayne Fluid filter with pressure relief valve
CN103590935A (zh) * 2013-11-27 2014-02-19 上海弗列加滤清器有限公司 空气滤清器用自动排尘装置
CN103775261A (zh) * 2014-02-27 2014-05-07 安徽江淮汽车股份有限公司 一种车用排尘阀

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388091A (en) * 1981-07-29 1983-06-14 Nelson Industries, Inc. Air cleaner having a dust dumping valve
DE19849089A1 (de) * 1998-10-24 2000-04-27 Mann & Hummel Filter Filter, insbesondere für die Ansaugluft einer Brennkraftmaschine
US20030178348A1 (en) * 2002-03-22 2003-09-25 Mulder David Wayne Fluid filter with pressure relief valve
CN103590935A (zh) * 2013-11-27 2014-02-19 上海弗列加滤清器有限公司 空气滤清器用自动排尘装置
CN103775261A (zh) * 2014-02-27 2014-05-07 安徽江淮汽车股份有限公司 一种车用排尘阀

Also Published As

Publication number Publication date
BR102015000957A2 (pt) 2016-07-19

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