{"id":2370,"date":"2026-07-01T11:58:08","date_gmt":"2026-07-01T03:58:08","guid":{"rendered":"https:\/\/www.fulerdiesel.com\/engine-knowledge-fuel-pump\/"},"modified":"2026-07-01T11:58:08","modified_gmt":"2026-07-01T03:58:08","slug":"engine-knowledge-fuel-pump","status":"publish","type":"post","link":"https:\/\/www.fulerdiesel.com\/vi\/engine-knowledge-fuel-pump\/","title":{"rendered":"Ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u1ed9ng c\u01a1 \u2013 b\u01a1m nhi\u00ean li\u1ec7u"},"content":{"rendered":"

Ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u1ed9ng c\u01a1 \u2013 b\u01a1m nhi\u00ean li\u1ec7u<\/p>\n

Th\u1ee9 nh\u1ea5t, h\u00e0m
\n1. \u0110\u1ec3 n\u00e2ng cao \u00e1p su\u1ea5t d\u1ea7u (\u00e1p su\u1ea5t \u1ed5n \u0111\u1ecbnh): \u00e1p su\u1ea5t phun \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean m\u1ee9c 10MPa ~ 20MPa.
\n2. \u0110i\u1ec1u khi\u1ec3n th\u1eddi gian phun nhi\u00ean li\u1ec7u (th\u1eddi gian): kho\u1ea3ng th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u1eebng phun nhi\u00ean li\u1ec7u v\u00e0 b\u1eaft \u0111\u1ea7u phun nhi\u00ean li\u1ec7u.
\n3. \u0110i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u phun (theo l\u01b0\u1ee3ng): D\u1ef1a tr\u00ean qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel, \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u phun nh\u1eb1m \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 quay v\u00e0 c\u00f4ng su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1.
\nTh\u1ee9 hai, c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi b\u01a1m nhi\u00ean li\u1ec7u
\n1. Th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c li\u00ean quan \u0111\u1ebfn d\u1ea7u \u0111\u1ed9ng c\u01a1 diesel, th\u1eadm ch\u00ed c\u1ea3 b\u00ecnh ch\u1ee9a nhi\u00ean li\u1ec7u.
\n2. Th\u1eddi \u0111i\u1ec3m phun nhi\u00ean li\u1ec7u c\u1ee7a t\u1eebng xi-lanh ph\u1ea3i gi\u1ed1ng nhau.
\n3. B\u1ec3 ch\u1ee9a kh\u00f4ng ch\u1ee9a d\u1ea7u trong c\u00f9ng kho\u1ea3ng th\u1eddi gian.
\n4. Ph\u1ea3i nhanh ch\u00f3ng ng\u1eebng vi\u1ec7c n\u1ea1p v\u00e0 cung c\u1ea5p d\u1ea7u \u0111\u1ed9ng c\u01a1 \u0111\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9.
\nTh\u1ee9 ba, vi\u1ec7c ph\u00e2n lo\u1ea1i b\u01a1m nhi\u00ean li\u1ec7u
\n1. B\u01a1m phun ki\u1ec3u p\u00edt-t\u00f4ng.
\n2. Lo\u1ea1i b\u01a1m \u2013 kim phun, bao g\u1ed3m c\u1ea3 b\u01a1m nhi\u00ean li\u1ec7u v\u00e0 c\u00e1c kim phun.
\n3. Rotor c\u1ee7a b\u01a1m phun nhi\u00ean li\u1ec7u ki\u1ec3u ph\u00e2n ph\u1ed1i.
\nTh\u1ee9 t\u01b0, c\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t m\u00e1y b\u01a1m \u0111i\u1ec3n h\u00ecnh
\nC\u00e1c lo\u1ea1i b\u01a1m phun nhi\u00ean li\u1ec7u cho \u0111\u1ed9ng c\u01a1 diesel th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf Trung Qu\u1ed1c bao g\u1ed3m: b\u01a1m A, b\u01a1m B, b\u01a1m lo\u1ea1i P, b\u01a1m VE, v.v. Ba lo\u1ea1i \u0111\u1ea7u ti\u00ean l\u00e0 b\u01a1m piston; c\u00f2n b\u01a1m VE l\u00e0 b\u01a1m r\u00f4-to v\u1edbi h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i nhi\u00ean li\u1ec7u.
\n(A) \u0110\u1eb7c \u0111i\u1ec3m c\u1ea5u t\u1ea1o c\u1ee7a b\u01a1m phun nhi\u00ean li\u1ec7u lo\u1ea1i B
\n1. \u1ed0ng xo\u1eafn \u1ed1c, l\u1ed7 th\u00f4ng kh\u00ed, p\u00edt-t\u00f4ng, \u1ed1ng b\u1ecdc p\u00edt-t\u00f4ng;
\n2. C\u01a1 c\u1ea5u \u0111i\u1ec1u ch\u1ec9nh thanh nhi\u00ean li\u1ec7u cho r\u0103ng, n\u1eb1m ph\u00eda tr\u01b0\u1edbc c\u1ea7n s\u1ed1 \u0111\u1ed9ng c\u01a1, c\u00f3 \u0111\u1ed9 c\u1ee9ng c\u1ee7a ch\u1ed1t d\u1ea7u l\u1edbn nh\u1ea5t c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh (m\u1ed9t s\u1ed1 lo\u1ea1i c\u00f3 ch\u1ed1t l\u00f2 xo);
\n2. C\u00e1c b\u1ed9 ph\u1eadn th\u00e2n con l\u0103n truy\u1ec1n \u0111\u1ed9ng ki\u1ec3u v\u00edt c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh;
\n3. Tr\u1ee5c cam d\u00e0nh cho cam ti\u1ebfp tuy\u1ebfn, \u0111\u01b0\u1ee3c trang b\u1ecb \u1ed5 l\u0103n c\u00f4n, \u0111\u1ee1 cho v\u1ecf tr\u1ee5c cam.
\n4. B\u01a1m cho b\u1ed9 ph\u1eadn t\u00edch h\u1ee3p, s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng b\u00f4i tr\u01a1n \u0111\u1ed9c l\u1eadp.
\n(B) \u0110\u1eb7c \u0111i\u1ec3m c\u1ea5u t\u1ea1o c\u1ee7a b\u01a1m phun nhi\u00ean li\u1ec7u lo\u1ea1i P
\n1. B\u1ed9 ph\u1eadn xi-lanh treo bao g\u1ed3m p\u00edt-t\u00f4ng, \u1ed1ng l\u00f3t p\u00edt-t\u00f4ng \u0111\u1ed9ng c\u01a1, van v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p c\u00f9ng v\u1edbi t\u1ea5m m\u1eb7t b\u00edch c\u1ee7a xi-lanh b\u00e1nh xe c\u00f3 \u1ed1ng l\u00f3t th\u00e9p \u0111\u1eb7c, t\u1ea1o th\u00e0nh m\u1ed9t c\u1ee5m linh ki\u1ec7n. Ch\u1ed1t v\u00e0ng ch\u1ecbu \u00e1p l\u1ef1c t\u1eeb \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp v\u00e0o v\u1ecf, t\u1ea1o th\u00e0nh c\u1ea5u tr\u00fac treo. \u1ed0ng l\u00f3t c\u00f3 th\u1ec3 xoay m\u1ed9t g\u00f3c nh\u1ea5t \u0111\u1ecbnh.
\n2. D\u00f9ng \u1ed1ng l\u00f3t th\u00e9p c\u1ee7a xi-lanh d\u1ea7u \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 l\u00fan c\u1ee7a t\u1ea5m m\u1eb7t b\u00edch v\u00e0o r\u00e3nh h\u00ecnh cung, n\u1edbi l\u1ecfng bu-l\u00f4ng k\u1eb9p, xoay \u1ed1ng l\u00f3t th\u00e9p, \u1ed1ng l\u00f3t n\u00e0y s\u1ebd \u0111i\u1ec1u ch\u1ec9nh g\u00f3c quay c\u1ee7a p\u00edt-t\u00f4ng xi-lanh b\u00e1nh xe \u0111\u1ed9ng c\u01a1, di chuy\u1ec3n p\u00edt-t\u00f4ng v\u00e0o l\u1ed7 ph\u00eda sau theo v\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a m\u00e1ng d\u1eabn, v\u00e0 quay tr\u1edf l\u1ea1i v\u1ecb tr\u00ed ban \u0111\u1ea7u khi thay d\u1ea7u.
\n3. \u0110i\u1ec1u ch\u1ec9nh \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u thay d\u1ea7u xi-lanh d\u1ef1a theo t\u1ea5m m\u1eb7t b\u00edch c\u1ee7a \u1ed1ng l\u00f3t, sao cho p\u00edt-t\u00f4ng di chuy\u1ec3n l\u00ean xu\u1ed1ng trong l\u1ed7 c\u1ee7a \u1ed1ng l\u00f3t; nh\u1edd \u0111\u00f3, vi\u1ec7c thay \u0111\u1ed5i v\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a \u0111\u1ec9nh p\u00edt-t\u00f4ng s\u1ebd gi\u00fap \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u thay d\u1ea7u c\u1ee7a xi-lanh b\u00e1nh xe.
\n4. C\u01a1 c\u1ea5u \u0111i\u1ec1u ch\u1ec9nh g\u00f3c l\u1ec7ch c\u1ee7a bi n\u1eb1m tr\u00ean b\u1ec1 m\u1eb7t ph\u00eda d\u1ea7u c\u1ee7a \u1ed1ng l\u00f3t truy\u1ec1n \u0111\u1ed9ng, n\u01a1i h\u00e0n c\u00e1c bi th\u00e9p s\u1ed1 1-2; thanh nhi\u00ean li\u1ec7u c\u00f3 ti\u1ebft di\u1ec7n h\u00ecnh tam gi\u00e1c vu\u00f4ng, vu\u00f4ng g\u00f3c v\u1edbi m\u00e9p c\u1ee7a n\u00f3 c\u00f3 m\u1ed9t r\u00e3nh vu\u00f4ng nh\u1ecf; r\u00e3nh tr\u00ean m\u1eb7t l\u00e0m vi\u1ec7c c\u1ee7a \u1ed1ng l\u00f3t truy\u1ec1n \u0111\u1ed9ng kh\u1edbp v\u1edbi bi v\u00e0 c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng. B\u00e1nh xe \u0111i\u1ec1u ch\u1ec9nh kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9 ph\u1eadn c\u1ee7a th\u00e2n m\u00e1y;
\n5. M\u00e1y b\u01a1m ki\u1ec3u h\u1ed9p k\u00edn ho\u00e0n to\u00e0n, s\u1eed d\u1ee5ng ph\u1ea7n kh\u00f4ng h\u1edf c\u1ee7a b\u1ed9 ph\u1edbt k\u00edn t\u1ed5ng th\u1ec3, n\u1eafp m\u00e1y b\u01a1m v\u00e0 ch\u1ec9 c\u00f3 ph\u1ea7n d\u01b0\u1edbi n\u1eafp. Th\u00e2n m\u00e1y b\u01a1m c\u00f3 \u0111\u1ed9 c\u1ee9ng cao, c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t phun cao c\u1ee7a \u0111\u1ed9ng c\u01a1 m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng, nh\u1edd \u0111\u00f3 gi\u00fap t\u0103ng tu\u1ed5i th\u1ecd c\u1ee7a p\u00edt-t\u00f4ng;
\n6. S\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng b\u00f4i tr\u01a1n b\u1eb1ng \u00e1p su\u1ea5t;
\n7. L\u1ed7 ki\u1ec3m tra h\u00e0nh tr\u00ecnh chuy\u00ean d\u1ee5ng tr\u00ean b\u00e1nh xe \u0111\u1ed9ng c\u01a1, n\u1eb1m ph\u00eda tr\u00ean th\u00e2n ph\u00edch c\u1eafm, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra xem xi-lanh b\u00e1nh xe t\u1ea1i l\u1ed7 \u0111\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 di chuy\u1ec3n c\u00f9ng chi\u1ec1u hay ch\u01b0a (b\u1eb1ng d\u1ee5ng c\u1ee5 \u0111o l\u01b0\u1eddng chuy\u00ean d\u1ee5ng).<\/p>","protected":false},"excerpt":{"rendered":"

Engine knowledge – fuel pump First, function 1. To improve oil pressure (constant pressure): the injection pressure improve to 10MPa ~ 20MPa. 2. Control the fuel injection time (time): the time required to stop fuel injection and fuel injection. 3. Control the fuel injection quantity (quantitative): According to the diesel\u00a0engine\u00a0work, change the amount of fuel […]<\/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-2370","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"yoast_head":"\nEngine knowledge - fuel pump - 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\/engine-knowledge-fuel-pump\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Engine knowledge - fuel pump - Dalian Fuler Diesel Engine Co., Ltd.\" \/>\n<meta property=\"og:description\" content=\"Engine knowledge – fuel pump First, function 1. To improve oil pressure (constant pressure): the injection pressure improve to 10MPa ~ 20MPa. 2. Control the fuel injection time (time): the time required to stop fuel injection and fuel injection. 3. 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B\u01a1m nhi\u00ean li\u1ec7u - C\u00f4ng ty TNHH \u0110\u1ed9ng c\u01a1 Diesel Dalian Fuler.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fulerdiesel.com\/vi\/engine-knowledge-fuel-pump\/","og_locale":"vi_VN","og_type":"article","og_title":"Engine knowledge - fuel pump - Dalian Fuler Diesel Engine Co., Ltd.","og_description":"Engine knowledge – fuel pump First, function 1. To improve oil pressure (constant pressure): the injection pressure improve to 10MPa ~ 20MPa. 2. Control the fuel injection time (time): the time required to stop fuel injection and fuel injection. 3. Control the fuel injection quantity (quantitative): According to the diesel\u00a0engine\u00a0work, change the amount of fuel […]","og_url":"https:\/\/www.fulerdiesel.com\/vi\/engine-knowledge-fuel-pump\/","og_site_name":"Dalian Fuler Diesel Engine Co., Ltd.","article_published_time":"2026-07-01T03:58:08+00:00","author":"frances@fulerdiesel.com","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"frances@fulerdiesel.com","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"3 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fulerdiesel.com\/engine-knowledge-fuel-pump\/#article","isPartOf":{"@id":"https:\/\/www.fulerdiesel.com\/engine-knowledge-fuel-pump\/"},"author":{"name":"frances@fulerdiesel.com","@id":"https:\/\/www.fulerdiesel.com\/#\/schema\/person\/1d744bfa40ac9bff3385cc9c663cefc0"},"headline":"Engine knowledge – fuel pump","datePublished":"2026-07-01T03:58:08+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fulerdiesel.com\/engine-knowledge-fuel-pump\/"},"wordCount":541,"commentCount":0,"publisher":{"@id":"https:\/\/www.fulerdiesel.com\/#organization"},"articleSection":["News"],"inLanguage":"vi","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fulerdiesel.com\/engine-knowledge-fuel-pump\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fulerdiesel.com\/engine-knowledge-fuel-pump\/","url":"https:\/\/www.fulerdiesel.com\/engine-knowledge-fuel-pump\/","name":"Ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u1ed9ng c\u01a1 - 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