滤(lv)清(qing)器，是(shi)指(zhi)通过(guo)滤(lv)纸起过(guo)滤(lv)杂质或(huo)者气体的(de)作(zuo)用的(de)配件。一般(ban)是(shi)指(zhi)汽车滤(lv)清(qing)器，是(shi)发(fa)动(dong)机的(de)配件。
按(an)不同过滤(lv)(lv)(lv)(lv)(lv)功能分为：机(ji)油(you)(you)(you)滤(lv)(lv)(lv)(lv)(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)，燃(ran)(ran)油(you)(you)(you)滤(lv)(lv)(lv)(lv)(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)（汽(qi)油(you)(you)(you)滤(lv)(lv)(lv)(lv)(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)、柴油(you)(you)(you)滤(lv)(lv)(lv)(lv)(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)、油(you)(you)(you)水分离器(qi)(qi)、液压(ya)滤(lv)(lv)(lv)(lv)(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)），空(kong)(kong)气滤(lv)(lv)(lv)(lv)(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)，空(kong)(kong)调滤(lv)(lv)(lv)(lv)(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)等(deng)。发动机(ji)有空(kong)(kong)气、机(ji)油(you)(you)(you)、燃(ran)(ran)油(you)(you)(you)三(san)种滤(lv)(lv)(lv)(lv)(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)，一般称作“三(san)滤(lv)(lv)(lv)(lv)(lv)”，加上空(kong)(kong)调滤(lv)(lv)(lv)(lv)(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)，俗称四滤(lv)(lv)(lv)(lv)(lv)。分别(bie)担负(fu)润滑系统，燃(ran)(ran)烧系统中介(jie)质(zhi)，发动机(ji)进气系统、车厢(xiang)空(kong)(kong)气循(xun)环系统的过滤(lv)(lv)(lv)(lv)(lv)。
