CN104145111A - 过滤器外壳和过滤器单元 - Google Patents

过滤器外壳和过滤器单元 Download PDF

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CN104145111A
CN104145111A CN201380011974.3A CN201380011974A CN104145111A CN 104145111 A CN104145111 A CN 104145111A CN 201380011974 A CN201380011974 A CN 201380011974A CN 104145111 A CN104145111 A CN 104145111A
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filter
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E·彼得松
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Scania CV AB
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • 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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0004—Details of removable closures, lids, caps or filter heads
    • 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
    • B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0047—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/103—Curved filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/02—Arrangements of pumps or compressors, or control devices therefor
    • 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
    • F02M35/0204—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof for connecting or joining to other devices, e.g. pipes
    • 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
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element 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
    • F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
    • F02M35/042—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices combined with other devices, e.g. heaters ; for use other than engine air intake cleaning, e.g. air intake filters arranged in the fuel vapour recovery 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
    • 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
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • 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
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/164—Heavy duty vehicles, e.g. trucks, trains, agricultural or construction machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02—Gaskets, sealings
    • B01D2271/022—Axial sealings
    • 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

Abstract

本发明涉及一种用于过滤器单元(50)的过滤器外壳(10)，所述过滤器单元具有基本上半圆筒形的空气过滤器(52)，所述过滤器外壳包括进气口(20)和发动机排气口(40)。根据本发明，过滤器外壳具有额外排气口(36)和通向额外排气口(36)的空气孔(64)，所述孔(64)沿发动机排气口的周边延伸。本发明还涉及一种用于所述过滤器外壳的过滤器单元。

Description

过滤器外壳和过滤器单元
技术领域
本发明涉及一种用于容置过滤器单元的过滤器外壳，所述过滤器外壳包括进气口和发动机排气口。本发明还涉及一种用于所述空气过滤器外壳的过滤器单元。
背景技术
用于卡车的燃式发动机的已知空气过滤器装置通常具有连接到空气压缩机的额外排气口，所述空气压缩机用于车载的各种压缩空气消耗装置。从额外排气口通向压缩机的软管目前通常装配到吹制成型的空气管道系统中的一个或多个管道上的管桩，所述空气管道系统将空气从发动机排气口引向发动机。
因此，吹制成型的空气管道系统的构造是复杂的并且流过空气管道的空气受到不利影响，从而使得跨过所述系统的压降增加，导致发动机的较高燃料消耗。在压缩机将空气吸入时，所述压缩机消耗在流入发动机途中的空气的一部分，从而还干扰对通向发动机的质量流的测量。
发明内容
本发明的目的是提出一种具有额外排气口的过滤器外壳，所述额外排气口最小化通向发动机的空气流的负面影响。
所述目的通过以下载列的权利要求中简述的特征来实现。
因此，在本发明的一个方面中，过滤器外壳具有额外排气口以及定位在过滤器单元和发动机排气口之间的通向额外排气口的空气孔，所述孔沿发动机排气口的周边延伸。这意味着通向额外排气口的已过滤空气能够在连接到发动机的空气管道之前在过滤器外壳中被提取，结果是已过滤主流能够不受干扰地通过所述管道继续流动，因为额外排气口接下来可以定位在过滤器外壳上。结果是对质量流计造成较少干扰或不造成干扰，因此所述质量流计将会更易于放置在空气管道上。仅需要压缩机软管的一个斜面(run)，而不需要用于每个空气管道的斜面。
在本发明的一个实施方式中，空气孔被限定在过滤器外壳的盖部和过滤器单元的上侧之间。因此，盖部和过滤器单元之间的现有接口可以容易且有效地被打开以形成空气孔。
空气孔接下来可以包括向上且向外倾斜延伸的缝隙。已过滤空气的一部分接下来可以在不造成干扰的情况下被有效地平均分配给额外排气口。
在所述实施方式中，额外排气口还可以定位在过滤器外壳的盖部上，使得可以在空气管道连接到发动机之前使用标准化连接件来将空气更直接地送到压缩机。
还可以存在环形空气管道，其被限定在过滤器外壳的盖部和过滤器单元的上侧之间以将已过滤空气在空气孔和额外排气口之间转移。
用于根据本发明的过滤器外壳的过滤器单元包括基本上半圆筒形的空气过滤器，所述过滤器外壳具有进气口和发动机排气口，所述空气过滤器具有过滤器顶部和过滤器底部。过滤器顶部的上侧配置成与过滤器外壳的盖部配合来限定出通向空气过滤器外壳的额外排气口的空气孔，所述孔沿发动机排气口的周边延伸。
过滤器顶部的上侧还配置成与过滤器外壳的盖部配合来限定出环形空气管道，所述环形空气管道用于将已过滤空气在空气孔和额外排气口之间转移。
本发明的其它特征和优点可以通过以下载列的权利要求和具体实施方式来指示出。
附图说明
图1是从根据本发明的空气过滤器装置的上方倾斜所见的示意图；
图2是对应于图1的在盖部打开的情况下的纵向剖视图；
图3是大致按照图2的在空气过滤器被部分拉出的情况下的纵向截面图；
图4是根据本发明的空气过滤器装置的上部的详细视图，其中一部分被切除；
图5是根据本发明的空气过滤器装置的下部的详细视图，其中一部分被切除；
图6是根据本发明的空气过滤器装置的上部的在盖部闭合的情况下的侧视图，其中一部分被切除；
图7是对应于图6的在盖部打开的情况下的示意图；以及
图8A-8C示意性地描绘打开基本上根据图6和7的装置的盖部的过程。
在所有附图中，相同附图标记用于具有相同或相似特征的项目。
具体实施方式
在附图中描绘的空气过滤器装置以已知方式包括用于容置过滤器单元或过滤器盒50的细长的空气过滤器外壳10，所述过滤器单元或过滤器盒包括基本上半圆筒形的空气过滤器52。待过滤的空气穿过过滤器外壳10的外部的进气口20(图1)进入过滤器单元50和过滤器外壳10之间的环形空间中，并且在穿过过滤器52之后，继续通过过滤器外壳10的上侧上的盖部30中的发动机排气口40。所述发动机排气口40本身适于经由相继布置的空气管道42、80连接到燃式发动机的未描绘的进气口。
如在图4中最清楚描绘的，过滤器单元50的过滤器52连接到呈上部密封元件60形式的过滤器顶部，所述上部密封元件具有与过滤器52的内部并且与排气口40共轴的中心孔62。在过滤器单元50被装配在外壳中时，密封元件60的外周密封地抵靠边缘14，所述边缘限定出外壳的顶部孔12。外壳10和/或过滤器顶部60的定心构件(例如从过滤器顶部60的下侧向下指向的环形凸部67)可以有助于并且确保过滤器顶部到达在外壳10的上侧处的正确位置。
在过滤器单元50的的上部密封元件60和发动机排气口40之间存在通向额外排气口36的空气孔64(图4)。如由图4中的箭头指示出的，已过滤空气的一部分接下来也可以在通过额外排气口36排出之前经由盖部30和上部密封元件60之间的空气孔64被引向环形空气管道66。空气管道66可以由环形脊部69径向向外限定，所述环形脊部是上部密封元件60的一部分并且密封地抵靠盖部30。在所描绘的实施例中，额外排气口36定位在过滤器外壳10的盖部30中，所述额外排气口可以将装置中的已过滤空气分配到未描绘的空气消耗装置(例如空气压缩机)。空气孔64呈向外且向上倾斜的缝隙形式沿发动机排气口40的周边延伸，有利地围绕整个周边延伸。所述缝隙的宽度可以由支撑件(例如多个平均分布的凸起68)来维持，所述凸起可以如所期望地定位在上部密封元件60(图3)或盖部30上。
如由图5中的已简化视图最清楚地展示的，过滤器单元50的过滤器52还连接到呈下部密封元件70形式的过滤器底部。在过滤器单元50装配在外壳10中时，下部密封元件70的外周密封地抵靠下部周向边缘18，所述下部周向边缘限定出外壳的底部孔16(图3)。所述底部孔16允许污物、清洁剂以及其它颗粒物在过滤器外壳被清洁时(例如在更换过滤器单元50的场合中)被排出过滤器外壳10。外壳10和/或过滤器底部70的定心构件(例如从过滤器底部70的下侧向下指向的环形凸部72)可以有助于并且确保过滤器底部70也到达外壳10的下侧处的正确位置。
尽管其它解决方案是可能的，但图1-3和图6-7中的前述盖部30被描绘为经由定位在外壳10的上部外侧处的铰链38可枢转地连接到过滤器外壳10。盖部30的排气口40还可以由过滤器元件34(例如滤布和/或细网状格栅)覆盖(图2)，以在盖部30打开时防止污染物和固体颗粒物进入空气管道40、80。盖部30可以由适当的连接构件(例如未描绘的紧固螺钉或其它类型的紧固件)紧固到外壳10。
在图6和7中描绘的实施方式中，定位成最靠近盖部30的空气管道40配置有可折叠或柔性的管部区段42，所述管部区段允许在不从定位成最靠近发动机的空气管道80移除或将空气管道移动的情况下反复打开和闭合盖部30。在所描绘的实施方式中，管部区段42配置有由可弯折橡胶弹性材料制成的渐窄式弯曲部分C，大致如图7中所描绘的，所述弯曲部分像卷筒形波纹管一样允许最靠近盖部30的较大横截面在盖部30打开时无论是否利用维修工程师的帮助都从内向外翻到最靠近空气管道80的渐窄式横截面上。在可运作状态中，管部区段42跨过发动机排气口40和空气管道80延伸。弯曲部分的中线接下来可以在距盖部的铰链38大致恒定距离R处延伸。
图8A-8C更详细地描绘基本上对应于图6和7中的装置的打开过程。空气管道40和80相对较深地延伸进柔性的管部区段42中，以便支撑所述管部区段并且防止其在操作中折叠。如图8B中指示出的，各管道之间的管部区段42的横截面可以以各种方式(例如通过材料缺口或内置应力)设置成在盖部30开始打开时在某种程度上纠集到一起或径向向内变形。连接到盖部30的较大管道40接下来将会定位成围绕较窄管道80并且与较窄管道隔开。在这之后，图8C中的盖部接近于打开状态，所述打开状态允许未描绘的过滤器单元从过滤器外壳10取出，卷起凸部44可以自然地形成在管部区段42的支撑在较窄管道80的端部上的部分上，以使得管部区段42在所述端部上像卷筒形波纹管一样展开。
在所述和其它实施方式中，盖部30不必可枢转地连接到外壳10的余下部分，因为所述盖部还能够以未描绘的方式被完全提起离开外壳10。
以上载列的具体实施方式主要适于协助理解，而不能将其解释为不必要的限制。对详细阅读说明书的本领域中的技术人员而言将会是显然的改型可以在不背离本发明的概念或以下载列的权利要求的范围的情况下实现。

Claims (7)

1.一种用于过滤器单元(50)的过滤器外壳(10)，所述过滤器单元具有基本上半圆筒形的空气过滤器(52)，所述过滤器外壳包括进气口(20)和发动机排气口(40)，
其特征在于
额外排气口(36)，以及
通向额外排气口(36)的空气孔(64)，所述空气孔定位在过滤器单元(50)和发动机排气口(40)之间并且沿发动机排气口的周边延伸。
2.根据权利要求1所述的过滤器外壳，其中空气孔(64)设置成被限定在过滤器外壳(10)的盖部(30)和过滤器单元(50)的过滤器顶部(60)之间。
3.根据权利要求1或2所述的过滤器外壳，其中空气孔包括向上且向外倾斜延伸的缝隙(64)。
4.根据在前权利要求中任一项所述的过滤器外壳，其中额外排气口(64)定位在过滤器单元(10)的盖部(30)上。
5.根据在前权利要求中任一项所述的过滤器外壳，包括环形空气管道(66)，所述环形空气管道被限定在过滤器外壳(10)的盖部(30)和过滤器单元(50)的上侧之间以将已过滤空气在空气孔(62)和额外排气口(36)之间转移。
6.一种用于过滤器外壳(10)的过滤器单元(50)，所述过滤器外壳具有进气口(20)和发动机排气口(32)，所述过滤器单元包括基本上半圆筒形的空气过滤器(52)，所述空气过滤器具有过滤器顶部(60)和过滤器底部(70)，
其特征在于，
过滤器顶部(60)的上侧配置成与过滤器外壳(10)的盖部(30)配合来限定出通向过滤器外壳的额外排气口(36)的空气孔(64)，所述孔沿发动机排气口(40)的周边延伸。
7.根据权利要求6所述的过滤器单元，其中所述上侧还配置成与过滤器外壳(10)的盖部(30)配合来限定出环形空气管道(66)以将已过滤空气在空气孔(64)和额外排气口(36)之间转移。
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