{"id":2423,"date":"2026-07-01T11:58:10","date_gmt":"2026-07-01T03:58:10","guid":{"rendered":"https:\/\/www.fulerdiesel.com\/the-working-principle-of-the-fuel-filter\/"},"modified":"2026-07-01T11:58:10","modified_gmt":"2026-07-01T03:58:10","slug":"the-working-principle-of-the-fuel-filter","status":"publish","type":"post","link":"https:\/\/www.fulerdiesel.com\/vi\/the-working-principle-of-the-fuel-filter\/","title":{"rendered":"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 l\u1ecdc nhi\u00ean li\u1ec7u"},"content":{"rendered":"

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 l\u1ecdc nhi\u00ean li\u1ec7u<\/p>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9ng c\u01a1 diesel ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c, c\u1ea7n ph\u1ea3i lo\u1ea1i b\u1ecf c\u1ea9n th\u1eadn c\u00e1c t\u1ea1p ch\u1ea5t kh\u1ecfi b\u00ecnh nhi\u00ean li\u1ec7u. N\u1ebfu qu\u00e1 tr\u00ecnh l\u1ecdc nhi\u00ean li\u1ec7u kh\u00f4ng t\u1ed1t, b\u01a1m nhi\u00ean li\u1ec7u v\u00e0 kim phun n\u1eb1m trong kh\u1edbp n\u1ed1i ch\u00ednh x\u00e1c s\u1ebd nhanh ch\u00f3ng b\u1ecb m\u00f2n ho\u1eb7c k\u1eb9t. S\u1ef1 m\u00f2n v\u00e0 h\u1ecfng h\u00f3c c\u1ee7a kh\u1edbp n\u1ed1i ch\u00ednh x\u00e1c s\u1ebd d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng nhi\u00ean li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i \u0111\u1ec1u, l\u00e0m t\u0103ng m\u1ee9c ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u v\u00e0 gi\u1ea3m c\u00f4ng su\u1ea5t.
\n\u0110\u1ed9ng c\u01a1 diesel th\u01b0\u1eddng \u0111\u01b0\u1ee3c trang b\u1ecb hai b\u1ed9 l\u1ecdc. B\u1ed9 l\u1ecdc \u0111\u1ea7u ti\u00ean l\u00e0 b\u1ed9 l\u1ecdc th\u00f4, \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u01b0\u1edbc b\u01a1m nhi\u00ean li\u1ec7u, c\u00f3 ch\u1ee9c n\u0103ng lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn. B\u1ed9 l\u1ecdc th\u1ee9 hai l\u00e0 b\u1ed9 l\u1ecdc tinh, c\u00f3 ch\u1ee9c n\u0103ng l\u1ecdc c\u00e1c t\u1ea1p ch\u1ea5t nh\u1ecf, \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u01b0\u1edbc b\u01a1m nhi\u00ean li\u1ec7u.
\nTh\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc d\u1ea1ng l\u01b0\u1ee3c. Th\u00f4ng th\u01b0\u1eddng l\u00e0 gi\u1ea5y l\u1ecdc m\u1ecbn, b\u1ed9 l\u1ecdc lo\u1ea1i n\u1ec9 v\u00e0 b\u1ed9 l\u1ecdc \u00e1p su\u1ea5t cao lo\u1ea1i khe h\u1edf.
\nTh\u1ee9 nh\u1ea5t, b\u1ed9 l\u1ecdc lo\u1ea1i gi\u1ea5y
\n\u00a0\u00a0\u00a0 N\u00f3 ch\u1ee7 y\u1ebfu bao g\u1ed3m ba b\u1ed9 ph\u1eadn: b\u1ed9 l\u1ecdc, v\u1ecf b\u1ed9 l\u1ecdc v\u00e0 \u0111\u1ebf l\u1ecdc. Nhi\u00ean li\u1ec7u t\u1eeb b\u01a1m \u0111i v\u00e0o b\u1ed9 l\u1ecdc nhi\u00ean li\u1ec7u \u0111\u1ed9ng c\u01a1, \u0111i qua b\u1ed9 l\u1ecdc gi\u1ea5y \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t trong nhi\u00ean li\u1ec7u, sau \u0111\u00f3 \u0111i v\u00e0o bu\u1ed3ng l\u1ecdc d\u1ea7u v\u00e0 ti\u1ebfp t\u1ee5c ch\u1ea3y qua bu\u1ed3ng \u0111\u1ebf l\u1ecdc, r\u1ed3i d\u1eabn tr\u1edf l\u1ea1i b\u01a1m nhi\u00ean li\u1ec7u. \u0110\u1ebf l\u1ecdc \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u n\u1ed1i b\u1ed9 l\u1ecdc d\u1ea7u \u0111\u1ed9ng c\u01a1, c\u00f3 van x\u1ea3 \u00e1p t\u00edch h\u1ee3p; khi \u00e1p su\u1ea5t nhi\u00ean li\u1ec7u b\u00ean trong b\u1ed9 l\u1ecdc nhi\u00ean li\u1ec7u \u0111\u1ed9ng c\u01a1 v\u01b0\u1ee3t qu\u00e1 0,08 MPa, l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u d\u01b0 th\u1eeba s\u1ebd \u0111\u01b0\u1ee3c d\u1eabn tr\u1edf l\u1ea1i b\u00ecnh nhi\u00ean li\u1ec7u qua \u0111\u1ea7u n\u1ed1i h\u1ed3i d\u1ea7u. \u0110\u01b0\u1eddng \u1ed1ng nhi\u00ean li\u1ec7u \u00e1p su\u1ea5t th\u1ea5p n\u1ed1i theo h\u01b0\u1edbng m\u0169i t\u00ean c\u1ee7a \u0111\u1ebf l\u1ecdc kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t sai v\u1ecb tr\u00ed. Mi\u1ebfng \u0111\u1ec7m b\u1ed9 l\u1ecdc \u0111\u01b0\u1ee3c l\u1eafp \u1edf \u0111\u00e1y gh\u1ebf l\u00f2 xo, v\u00f2ng \u0111\u1ec7m l\u00f2 xo s\u1ebd b\u1ecbt k\u00edn m\u1eb7t d\u01b0\u1edbi c\u1ee7a \u0111ai \u1ed1c g\u1ea7n mi\u1ebfng \u0111\u1ec7m. Gi\u00e1 \u0111\u1ee1 b\u1ed9 l\u1ecdc v\u00e0 thanh n\u1ed1i gi\u1eefa v\u1ecf v\u00e0 b\u1eb1ng v\u00f2ng \u0111\u1ec7m cao su, \u0111\u1ec9nh gh\u1ebf l\u1ecdc c\u00f3 v\u00edt x\u1ea3 kh\u00ed, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng v\u00edt x\u1ea3 kh\u00ed \u0111\u1ec3 n\u1edbi l\u1ecfng b\u00ean trong b\u1ed9 l\u1ecdc kh\u00ed v\u00e0 l\u00e0m s\u1ea1ch nhi\u00ean li\u1ec7u.
\nTh\u1ee9 hai, b\u1ed9 l\u1ecdc d\u1ea1ng n\u1ec9
\nCh\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c c\u1ea3m nh\u1eadn qua b\u1ed9 l\u1ecdc ki\u1ec3u l\u01b0\u1edbi, b\u1ed9 l\u1ecdc v\u00e0 n\u1eafp b\u1ed9 l\u1ecdc, v.v.
\n\u00a0\u00a0\u00a0 B\u1ed9 l\u1ecdc \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong th\u00e2n b\u1ed9 l\u1ecdc, bao g\u1ed3m l\u01b0\u1edbi kim lo\u1ea1i, c\u00e1c t\u1ea5m l\u1ee5a v\u00e0 c\u00e1c l\u1edbp l\u1ecdc \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb b\u1ea3y l\u1edbp d\u00e0y xen k\u1ebd v\u1edbi t\u00e1m l\u1edbp m\u1ecfng, \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t xen k\u1ebd v\u1edbi nhau tr\u00ean b\u1ed9 l\u1ecdc. T\u1ea5m l\u1ecdc \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o ph\u1ea7n tr\u00ean, ph\u1ea7n d\u01b0\u1edbi \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o \u0111\u1ebf, v\u1eb7n \u0111ai \u1ed1c v\u00e0o \u0111\u1ebf; d\u01b0\u1edbi khay l\u1ecdc, t\u1ea5m l\u1ecdc s\u1ebd \u0111\u01b0\u1ee3c \u00e9p ch\u1eb7t v\u00e0o t\u1ea5m \u00e9p tr\u00ean th\u00f4ng qua l\u1edbp v\u1ea3i l\u1ecdc.
\n\u00a0\u00a0\u00a0 \u0110\u01b0\u1ee3c b\u1ecdc b\u1eb1ng b\u1ed9 l\u1ecdc xo\u00e1y khi \u0111\u01b0a v\u00e0o v\u00e0 r\u00fat ra kh\u1ecfi c\u00e1c m\u1ed1i n\u1ed1i \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 van x\u1ea3, sau \u0111\u00f3 x\u1ea3 h\u01a1i b\u1eb1ng c\u00e1ch m\u1edf van \u1edf \u0111\u1ea7u \u1ed1ng.
\n\u00a0\u00a0\u00a0 Gi\u1eefa th\u00e2n b\u1ed9 l\u1ecdc v\u00e0 n\u1eafp b\u1ed9 l\u1ecdc \u0111\u1ed9ng c\u01a1 c\u00f3 m\u1ed9t thanh n\u1ed1i trung t\u00e2m; m\u1ed9t \u0111\u1ea7u \u0111\u01b0\u1ee3c v\u1eb7n v\u00e0o th\u00e2n b\u1ed9 l\u1ecdc \u1edf ph\u00eda d\u01b0\u1edbi c\u1ee7a n\u00fat b\u1ecbt, c\u00f2n \u0111\u1ea7u kia \u0111\u01b0\u1ee3c v\u1eb7n ch\u1eb7t b\u1eb1ng \u0111ai \u1ed1c, t\u1eeb \u0111\u00f3 k\u1ebft n\u1ed1i hai b\u1ed9 ph\u1eadn n\u00e0y l\u1ea1i v\u1edbi nhau. B\u1ed9 l\u1ecdc \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o l\u00f2 xo tr\u00ean n\u00fat b\u1ecbt v\u00e0 \u0111\u01b0\u1ee3c \u00e9p ch\u1eb7t v\u00e0o n\u1eafp b\u1ed9 l\u1ecdc.
\n\u00a0\u00a0\u00a0 B\u1ed9 l\u1ecdc nhi\u00ean li\u1ec7u t\u1eeb \u1ed1ng n\u1ea1p s\u1ed1 7 \u0111i v\u00e0o khoang gi\u1eefa v\u1ecf v\u00e0 b\u1ed9 l\u1ecdc \u0111\u1ed9ng c\u01a1, sau \u0111\u00f3 \u0111i qua l\u1edbp n\u1ec9 v\u00e0 \u1ed1ng l\u00f3t l\u1ee5a v\u00e0o khoang, r\u1ed3i qua l\u01b0\u1edbi kim lo\u1ea1i d\u1ecdc theo \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn t\u1eeb \u0111\u00e2y \u0111\u1ebfn \u1ed1ng d\u1eabn; h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u00fat kh\u00f4ng kh\u00ed s\u1ea1ch v\u00e0 kh\u00f4ng ch\u1ee9a nhi\u00ean li\u1ec7u, trong khi b\u1ed9 l\u1ecdc kh\u00f4ng kh\u00ed \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf ph\u1ea7n tr\u00ean. L\u1eafp bu\u1ed3ng l\u1ed1c xo\u00e1y t\u1eeb n\u00fat x\u1ea3 d\u1ea7u \u0111\u1ec3 th\u1ea3i kh\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ecdc kh\u1ecfi h\u1ed7n h\u1ee3p nhi\u00ean li\u1ec7u. Kh\u00ed th\u1ea3i c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel ph\u1ea3i \u0111\u01b0\u1ee3c x\u1ea3 h\u1ebft tr\u01b0\u1edbc khi kh\u1edfi \u0111\u1ed9ng.
\nTh\u1ee9 ba, b\u1ed9 l\u1ecdc ki\u1ec3u khe h\u1edf cao \u00e1p
\nTr\u01b0\u1edbc khi \u0111i v\u00e0o v\u00f2i phun nhi\u00ean li\u1ec7u, \u0111\u1ed9ng c\u01a1 diesel c\u00f2n \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u b\u1ed9 l\u1ecdc ki\u1ec3u khe h\u1edf cao \u00e1p, \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ed9 l\u1ecdc cu\u1ed1i c\u00f9ng. H\u1ed9p l\u1ecdc n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1edfi m\u1ed9t thanh th\u00e9p m\u00e0i, c\u00f3 khe h\u1edf nh\u1ecf (kho\u1ea3ng 0,02\u20130,04 mm) trong \u1ed1ng b\u1ecdc, trong m\u00e1y m\u00e0i thanh l\u1ecdc, 8 \u2013 40 b\u00ecnh, m\u1ed9t n\u1eeda l\u01b0\u1ee3ng d\u1ea7u \u0111i v\u00e0o, n\u1eeda c\u00f2n l\u1ea1i, hai d\u00f2ng n\u00e0y \u0111an xen v\u00e0o nhau; do nhi\u00ean li\u1ec7u \u0111i qua khe h\u1edf \u1edf \u0111\u1ea7u n\u00e0y v\u00e0 tho\u00e1t ra t\u1eeb ph\u00eda b\u00ean kia, n\u00ean m\u1ed9t s\u1ed1 t\u1ea1p ch\u1ea5t nh\u1ecf s\u1ebd b\u1ecb gi\u1eef l\u1ea1i trong b\u00ecnh, t\u1eeb \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch l\u1ecdc. \u0110\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a kim phun v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u t\u1ed1t h\u01a1n, b\u1ed9 l\u1ecdc n\u00e0y c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1eeb 400 \u0111\u1ebfn 500 gi\u1edd sau khi \u0111\u01b0\u1ee3c v\u1ec7 sinh.<\/p>","protected":false},"excerpt":{"rendered":"

The working principle of the fuel filter In order to ensure uninterrupted work of diesel from the fuel tank out of the impurities must be removed carefully. If bad fuel filtration, fuel pump and injectors is in the precision coupling will quickly wear or stuck. Precision coupling of wear and tear, will cause oil tank […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2423","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"yoast_head":"\nThe working principle of the fuel filter - Dalian Fuler Diesel Engine Co., Ltd.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fulerdiesel.com\/vi\/the-working-principle-of-the-fuel-filter\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The working principle of the fuel filter - Dalian Fuler Diesel Engine Co., Ltd.\" \/>\n<meta property=\"og:description\" content=\"The working principle of the fuel filter In order to ensure uninterrupted work of diesel from the fuel tank out of the impurities must be removed carefully. If bad fuel filtration, fuel pump and injectors is in the precision coupling will quickly wear or stuck. 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If bad fuel filtration, fuel pump and injectors is in the precision coupling will quickly wear or stuck. 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