{"id":4215,"date":"2020-08-17T00:15:32","date_gmt":"2020-08-17T00:15:32","guid":{"rendered":"http:\/\/www.autolexicon.net\/?p=4215"},"modified":"2021-03-19T11:51:34","modified_gmt":"2021-03-19T11:51:34","slug":"valvetronic","status":"publish","type":"post","link":"https:\/\/www.autolexicon.net\/sk\/articles\/valvetronic\/","title":{"rendered":"Valvetronic"},"content":{"rendered":"<p><\/p>\n<p style=\"text-align: justify;\"><span class=\"VIiyi\" style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">Modern\u00e9 benz\u00ednov\u00e9 motory automobilky BMW maj\u00fa <strong>variabilny zdvih sac\u00edch ventilov<\/strong>, tento syst\u00e9m nesie n\u00e1zov Valvetronic. Zvy\u010dajne je syst\u00e9m Valvetronic kombinovan\u00fd e\u0161te so syst\u00e9mom <a href=\"http:\/\/www.autolexicon.net\/articles\/vanos-double-vanos\/\">Double-Vanos<\/a>, teda s <strong>variabiln\u00fdm \u010dasovan\u00edm ventilov<\/strong>. Zl\u00fa\u010den\u00edm t\u00fdchto mechanizmov vznikaj\u00fa variabiln\u00fd rozvody (premenn\u00e9 \u010dasovanie i zdvih), ktor\u00e9 prispievaj\u00fa k <strong>dokonalej\u0161ej v\u00fdmene n\u00e1plne valcov piestov\u00e9ho spa\u013eovacieho motora<\/strong>. Viac detailov sa do\u010d\u00edtate v \u010dl\u00e1nku o <a href=\"http:\/\/www.autolexicon.net\/articles\/variabilni-casovani-ventilu\">variabiln\u00fdch rozvodoch<\/a>.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><span class=\"VIiyi\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\"><strong>Plne variabiln\u00e9 zdvih ventilov dokonca umo\u017e\u0148uje kon\u0161trukt\u00e9rom nahradi\u0165 funkciu \u0161krtiacej klapky.<\/strong> Motory so syst\u00e9mom Valvetronic s\u00edce klapku e\u0161te maj\u00fa, ale iba pre n\u00fadzov\u00fd re\u017eim, inak je klapka st\u00e1le otvoren\u00e1. Nahraden\u00edm \u0161krtiacej klapky sa tak podarilo <strong>odstr\u00e1ni\u0165 straty<\/strong> vznikaj\u00face turbulentn\u00fdm pr\u00faden\u00edm vzduchu \u0161krtiacou klapkou. Ur\u010duj\u00facim faktorom mno\u017estvo zmesi, ktor\u00e9 sa dost\u00e1va do valcov, je ve\u013ekos\u0165 zdvihu sac\u00edch ventilov. Odstr\u00e1nen\u00edm \u0161krtiacej klapky sa pod\u013ea BMW uspor\u00ed a\u017e 14% paliva.<\/span><\/span><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"http:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_0021.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4202 alignnone\" title=\"mechanismus syst\u00e9mu Valvetronic\" src=\"http:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_0021.jpg\" alt=\"\" width=\"600\" height=\"449\" srcset=\"https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_0021.jpg 800w, https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_0021-250x187.jpg 250w, https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_0021-500x375.jpg 500w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>&nbsp; <\/a><\/span><\/p>\n<p align=\"right\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><strong><em>mechanismus syst\u00e9mu Valvetronic<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span class=\"VIiyi\" style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\"><strong>Valvetronic je teda kombin\u00e1ciou syst\u00e9mu <a href=\"..\/articles\/vanos-double-vanos\/\">Double Vanos<\/a><\/strong>, ktor\u00fd men\u00ed polohu va\u010dkov\u00e9 hriadele vo\u010di k\u013eukovej hriadeli a\u017e o 60 \u00b0, a elektromechanick\u00e9ho <strong>zariadenia meniaceho plynule zdvih sac\u00edch ventilov<\/strong> od minim\u00e1lneho zdvihu (iba 0,3 mm) a\u017e po maxim\u00e1lnu zdvih (9,7 mm). Valvetronic II. a III. gener\u00e1cie dosahuje rozmedz\u00ed 0,18 mm to 9,9 mm. Zmena nastavenia medzi minim\u00e1lnym a maxim\u00e1lnym zdvihom trv\u00e1 len 300 milisek\u00fand. Za rovnak\u00fa dobu sa prednastav\u00ed aj <a href=\"..\/articles\/vanos-double-vanos\/\">Double Vanos<\/a>.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span class=\"VIiyi\" style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">Prv\u00fdkr\u00e1t bol tento syst\u00e9m predstaven\u00fd v roku 2001 pri modeli BMW 316 Compact s \u0161tvorvalcov\u00fdm \u0161estn\u00e1s\u0165ventilov\u00fdm z\u00e1\u017eihov\u00fdm motorom s objemom 1,8l \/ 85kW. Automobilka BMW postupne nasadila tento syst\u00e9mom do v\u0161etk\u00fdch svojich motorov. D\u00f4vodom s\u00fa ni\u017e\u0161ia spotreba, vy\u0161\u0161\u00ed v\u00fdkon a r\u00fdchlej\u0161ie reakcie na zo\u0161liapnutie plynov\u00e9ho ped\u00e1lu.<\/span><\/span><\/p>\n<p align=\"center\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\">&nbsp;<a href=\"http:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_001.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4201\" title=\"Valvetronic - mechanismus\" src=\"http:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_001.jpg\" alt=\"\" width=\"307\" height=\"203\" srcset=\"https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_001.jpg 985w, https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_001-250x166.jpg 250w, https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_001-500x332.jpg 500w\" sizes=\"auto, (max-width: 307px) 100vw, 307px\" \/><\/a><a href=\"http:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_003.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4203\" title=\"Valvetronic - mechanismus\" src=\"http:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_003.jpg\" alt=\"\" width=\"200\" height=\"206\" srcset=\"https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_003.jpg 383w, https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_003-241x250.jpg 241w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><strong>Popis funkcie:<\/strong><\/span><br \/>\n<span class=\"VIiyi\" style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">Rozvodov\u00fd mechanizmus sac\u00edch ventilov je doplnen\u00fd o mezivahadlo, ktor\u00e9 tvoria spolu s be\u017en\u00fdm vahadlom spojenie medzi va\u010dkou a ventilom. Prostredn\u00edctvom pohybu excentrick\u00e9ho hriade\u013ea ovplyv\u0148uje mezivahadlo zdvih sac\u00edch ventilov. Excentrick\u00fd hriade\u013e sa pohybuje v\u010faka \u0161nekov\u00e9mu pohonu s elektromotorom.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span class=\"VIiyi\" style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">Rozvodov\u00fd mechanizmus sac\u00edch ventilov je doplnen\u00fd o mezivahadlo, ktor\u00e9 tvoria spolu s be\u017en\u00fdm vahadlom spojenie medzi va\u010dkou a ventilom. <strong>Prostredn\u00edctvom pohybu excentrick\u00e9ho hriade\u013ea ovplyv\u0148uje mezivahadlo zdvih sac\u00edch ventilov.<\/strong> Excentrick\u00fd hriade\u013e sa pohybuje v\u010faka \u0161nekov\u00e9mu pohonu s elektromotorom.<\/span><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_004.jpg\">&nbsp;<\/a><a href=\"https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_004.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-9395 size-large\" title=\"zp\u016fsob lou\u017een\u00ed mechanismu v hlav\u011b motoru\" src=\"https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_004-600x382.jpg\" alt=\"\" width=\"600\" height=\"382\" srcset=\"https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_004-600x382.jpg 600w, https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_004-250x159.jpg 250w, https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_004-157x100.jpg 157w, https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_004-768x489.jpg 768w, https:\/\/www.autolexicon.net\/obr_clanky\/cs_valvetronic_004.jpg 1280w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>&nbsp;<\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span class=\"VIiyi\" style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">Tento sp\u00f4sob ovl\u00e1dania ventilov\u00e9ho rozvodu je <strong>ve\u013emi n\u00e1ro\u010dn\u00fd na presnos\u0165 v\u00fdroby<\/strong>. V\u0161etky diely rozvodu s\u00fa vyr\u00e1ban\u00e9 s ve\u013ekou presnos\u0165ou (napr. Tolerancia mezivahadla je len 0,008 mm). Odch\u00fdlka otvorenia zdvihu ventilu smie robi\u0165 iba \u00b110%. Preto s\u00fa navy\u0161e mezivahadlo (mezip\u00e1ka) a vahadlo rozdelen\u00e9 do 4 klasifika\u010dn\u00fdch tried. Toto ozna\u010denie je na dieloch vyp\u00e1len\u00e9 laserom. Minim\u00e1lna zdvih (0,3 mm), je navy\u0161e vo v\u00fdrobe meran\u00fd a pr\u00edpadne dvojica mezivahadla a vahadla je nahraden\u00e1 inou klasifika\u010dnej triedou. <\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span class=\"VIiyi\" style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">Va\u010dkov\u00fd hriade\u013e a excentrick\u00e1 hriade\u013e je veden\u00e1 v \u0161peci\u00e1lnom l\u00f4\u017eku, na ktorom je zachyten\u00fd aj elektromotor zais\u0165uj\u00face nastavovanie excentrick\u00e9 hriade\u013ea. Toto l\u00f4\u017eko je p\u00e1rovanie s hlavou motora a z d\u00f4vodu zachovania presnosti nesmie by\u0165 jednotlivo menen\u00e9.<\/span><\/span><\/p>\n<p><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><strong>Video:<\/strong><\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"Valvetronic, la distribuci\u00f3n variable de BMW\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/nNUVUIN_kkU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\" align=\"center\"><span class=\"VIiyi\" style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">Principi\u00e1lne ve\u013emi podobn\u00fd syst\u00e9m s \u00faspechom vyu\u017e\u00edva aj automobilka Toyota &#8211; <a href=\"http:\/\/www.autolexicon.net\/articles\/valvematic\/\">Valvematic<\/a>.<\/span><\/span><\/p>\n<p><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><strong><br \/>\nFoto: <\/strong>www.bmw.com<strong><br \/>\n<span class=\"VIiyi\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">K\u013e\u00fa\u010dov\u00e9 slov\u00e1: <\/span><\/span><\/strong><span class=\"VIiyi\" lang=\"sk\"><span class=\"JLqJ4b\" data-language-for-alternatives=\"sk\" data-language-to-translate-into=\"cs\" data-phrase-index=\"0\">motor, rozvody, rozvodov\u00fd mechanizmus, Valvetronic, Vanos, Double-Vanos, BMW, variabiln\u00fd zdvih ventilu<\/span><\/span> <\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Ozna\u010denie Valvetronic nes\u00fa motory automobilky BMW s premenn\u00fdm zdvihom ventilov. Variabiln\u00e9 zdvih ventilov sa vyu\u017e\u00edva na optimaliz\u00e1ciu parametrov motorov, v\u010faka nemu dosahuj\u00fa motory vy\u0161\u0161\u00edch v\u00fdkonov a ni\u017e\u0161ej spotreby.<\/p>\n","protected":false},"author":1,"featured_media":4202,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"facebook_10217573569066608_119527941460186":"","twitter_308591058_308591058":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","ngg_post_thumbnail":0,"two_page_speed":[],"footnotes":""},"categories":[1,751,4],"tags":[66,1105,1108,1104,189,1101,1100,1109],"class_list":["post-4215","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nezarazene","category-motor-casti-automobilu","category-casti-automobilu","tag-bmw","tag-double-vanos","tag-valvetronic","tag-vanos","tag-motor","tag-rozvodovy-mechanismus","tag-rozvody","tag-variabilni-zdvih-ventilu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Valvetronic - autolexicon.net<\/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.autolexicon.net\/sk\/articles\/valvetronic\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Valvetronic - autolexicon.net\" \/>\n<meta property=\"og:description\" content=\"Ozna\u010denie Valvetronic nes\u00fa motory automobilky BMW s premenn\u00fdm zdvihom ventilov. 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