{"id":28827,"date":"2021-08-08T05:00:00","date_gmt":"2021-08-08T03:00:00","guid":{"rendered":"https:\/\/www.mzone.cz\/?p=28827"},"modified":"2021-05-14T14:42:17","modified_gmt":"2021-05-14T12:42:17","slug":"sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku","status":"publish","type":"post","link":"https:\/\/www.mzone.cz\/en\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\/","title":{"rendered":"St\u011bra\u010de: Jak funguj\u00ed a kdo st\u00e1l u jejich vzniku"},"content":{"rendered":"<p><strong>St\u011bra\u010de jsou s n\u00e1mi u\u017e p\u0159es sto let a v podstat\u011b se nezm\u011bnily. Po\u0159\u00e1d jde o gumov\u00fd b\u0159it st\u00edraj\u00edc\u00ed vodu ze skla. V\u011bd\u011bli jste ale t\u0159eba, \u017ee u za\u010d\u00e1tk\u016f st\u011bra\u010d\u016f st\u00e1la \u017eena?<\/strong><\/p><br>\n\n\n\n<p>M\u00e1me je za samoz\u0159ejmost a v\u011bt\u0161inou si neuv\u011bdomujeme, jak d\u016fle\u017eit\u00e9 jsou. Dumali jste n\u011bkdy nad t\u00edm, kde se vlastn\u011b st\u011bra\u010de vzaly? Li\u0161\u00ed se jejich pohony? A pro\u010d n\u011bkter\u00e9 ost\u0159ikova\u010de kapalinu rozpra\u0161uj\u00ed a jin\u00e9 st\u0159\u00edkaj\u00ed p\u0159\u00edm\u00fdm proudem? A jak se testuj\u00ed?<\/p><br>\n\n\n\n<h2 class=\"wp-block-heading\">Dva druhy pohonu<\/h2>\n\n\n\n<p>Aby se st\u011bra\u010de mohly po \u010deln\u00edm \u010di zadn\u00edm skle pohybovat, p\u0159ich\u00e1z\u00ed ke slovu skryt\u00fd kinematick\u00fd p\u0159evod poh\u00e1n\u011bn\u00fd stejnosm\u011brn\u00fdm elektromotorem. \u201eU men\u0161\u00edch voz\u016f, jako jsou Fabia \u010di&nbsp;Scala, pou\u017e\u00edv\u00e1me na \u010deln\u00edm skle jednodu\u0161\u0161\u00ed st\u011bra\u010dov\u00fd motor. Takov\u00e9mu pohonu \u0159\u00edk\u00e1me rota\u010dn\u00ed, nebo\u0165 klika motoru se opravdu to\u010d\u00ed s h\u0159\u00eddel\u00ed kolem sv\u00e9 osy a motor v sob\u011b nem\u00e1 \u0159\u00eddic\u00ed jednotku. Samotnou obslu\u017enou logiku \u2013 tedy kdy a jakou rychlost\u00ed st\u00edr\u00e1n\u00ed spustit \u2013 ovl\u00e1d\u00e1 centr\u00e1ln\u00ed \u0159\u00eddic\u00ed jednotka auta. V\u00fdhodou je pochopiteln\u011b jednoduchost, nev\u00fdhodou omezen\u00e1 funkcionalita v porovn\u00e1n\u00ed s takzvan\u00fdmi reverzn\u00edmi motory,\u201c vysv\u011btluje odborn\u00edk z odd\u011blen\u00ed St\u011bra\u010d\u016f a ost\u0159ikova\u010d\u016f automobilky \u0160koda Pavel \u0160vejdar.<\/p><br>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"397\" src=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/enq_ng_127-1024x397.jpg\" alt=\"St\u011bra\u010de\" class=\"wp-image-28835\" srcset=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/enq_ng_127-1024x397.jpg 1024w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/enq_ng_127-300x116.jpg 300w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/enq_ng_127-768x298.jpg 768w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/enq_ng_127-1536x595.jpg 1536w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/enq_ng_127-2048x793.jpg 2048w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/enq_ng_127-16x6.jpg 16w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/enq_ng_127-590x229.jpg 590w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><br>\n\n\n\n<p>Reverzn\u00ed motory tedy najdeme ve vy\u0161\u0161\u00edch modelov\u00fdch \u0159ad\u00e1ch. Pracuj\u00ed v \u0159\u00edzen\u00e9 harmonick\u00e9 rotaci h\u0159\u00eddele podle aktu\u00e1ln\u011b \u017e\u00e1dan\u00e9ho v\u00fdkonu, kyvu a rychlosti. D\u00edky tomu je toto \u0159e\u0161en\u00ed ti\u0161\u0161\u00ed, m\u00e1 lep\u0161\u00ed a hlad\u0161\u00ed celkov\u00fd projev a nab\u00edz\u00ed roz\u0161\u00ed\u0159en\u00e9 funkce, nap\u0159\u00edklad ni\u017e\u0161\u00ed klidovou parkovac\u00ed polohu, kdy se st\u011bra\u010de schovaj\u00ed pod lem kapoty. Ale i rota\u010dn\u00ed \u0159e\u0161en\u00ed nab\u00edz\u00ed komfortn\u00ed funkce, t\u0159eba servisn\u00ed polohu, zpomalen\u00ed st\u00edr\u00e1n\u00ed p\u0159i zastaven\u00ed na k\u0159i\u017eovatce nebo ovl\u00e1d\u00e1n\u00ed pomoc\u00ed de\u0161\u0165ov\u00e9ho senzoru.<\/p><br>\n\n\n\n<h2 class=\"wp-block-heading\">Lad\u011bn\u00ed ve v\u011btrn\u00e9m tunelu<\/h2>\n\n\n\n<p>\u201eSamotn\u00fd motor je usazen do kinematick\u00e9 soupravy, p\u0159es kterou se rota\u010dn\u00ed pohyb p\u0159en\u00e1\u0161\u00ed na st\u011bra\u010de. P\u0159i v\u00fdvoji se velk\u00fd d\u016fraz klade na funk\u010dnost a odolnost cel\u00e9ho syst\u00e9mu za n\u00edzk\u00fdch a vysok\u00fdch teplot a ve vysok\u00fdch rychlostech. V\u0161\u00edm\u00e1me si rovn\u011b\u017e&nbsp;akustick\u00fdch projev\u016f&nbsp;cel\u00e9ho syst\u00e9mu. Ten je dimenzov\u00e1n na bezprobl\u00e9movou pr\u00e1ci p\u0159i teplot\u00e1ch od minus t\u0159iceti do plus sedmdes\u00e1ti stup\u0148\u016f,\u201c popisuje \u0160vejdar a dod\u00e1v\u00e1, \u017ee st\u00edr\u00e1tka se testuj\u00ed na p\u011bt set tis\u00edc cykl\u016f. V b\u011b\u017en\u00e9m provozu je samoz\u0159ejm\u011b dobr\u00e9 m\u011bnit je mnohem d\u0159\u00edve \u2013 odborn\u00edk doporu\u010duje alespo\u0148 ka\u017ed\u00fdch \u0161est m\u011bs\u00edc\u016f.<\/p><br>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"649\" src=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/low_res_dsc7215-1024x649.jpg\" alt=\"St\u011bra\u010de p\u0159i testu\" class=\"wp-image-28842\" srcset=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/low_res_dsc7215-1024x649.jpg 1024w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/low_res_dsc7215-300x190.jpg 300w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/low_res_dsc7215-768x487.jpg 768w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/low_res_dsc7215-1536x974.jpg 1536w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/low_res_dsc7215-16x10.jpg 16w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/low_res_dsc7215-590x374.jpg 590w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/low_res_dsc7215.jpg 1938w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Testov\u00e1n\u00ed st\u011bra\u010d\u016f \u010deln\u00edho skla<\/figcaption><\/figure><br>\n\n\n\n<p>Kdy\u017e se za\u010d\u00edn\u00e1 s v\u00fdvojem nov\u00e9ho modelu, definuje se design st\u011bra\u010dov\u00e9 soupravy s ohledem na prostor, kter\u00fd lze vyu\u017e\u00edt, na okoln\u00ed d\u00edly a samoz\u0159ejm\u011b i na design automobilu. V dal\u0161\u00edch f\u00e1z\u00edch u\u017e vstupuje do hry dodavatel, kter\u00fd n\u00e1vrh p\u0159evezme a p\u0159izp\u016fsob\u00ed sv\u00e9 technice.&nbsp;Testov\u00e1n\u00ed pak prob\u00edh\u00e1 soub\u011b\u017en\u011b ve v\u00fdvoji automobilky&nbsp;i u dodavatele. Cel\u00fd proces trv\u00e1 zhruba t\u0159i roky.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Chov\u00e1n\u00ed st\u011bra\u010d\u016f se pe\u010dliv\u011b a do nejmen\u0161\u00edch detail\u016f lad\u00ed ve v\u011btrn\u00e9m tunelu. Parametry pohonu, zak\u0159iven\u00ed li\u0161ty, p\u0159\u00edtlak ramene, ale t\u0159eba i tvar spoileru li\u0161ty je nutn\u00e9 nastavit tak, aby nap\u0159\u00edklad nedoch\u00e1zelo k jej\u00edmu podfukov\u00e1n\u00ed, co\u017e by na skle zanech\u00e1valo neset\u0159en\u00e9 \u201efleky\u201c vlivem aerodynamiky.<\/p><\/blockquote>\n\n\n\n<p>Velk\u00e1 p\u00e9\u010de se v\u011bnuje rovn\u011b\u017e ide\u00e1ln\u00ed souh\u0159e st\u011bra\u010d\u016f a ost\u0159ikova\u010d\u016f \u2013 to v\u0161e od stoj\u00edc\u00edho vozu a\u017e do jeho maxim\u00e1ln\u00ed rychlosti. Z&nbsp;toho v\u0161eho je patrn\u00e9, \u017ee origin\u00e1ln\u00ed st\u011bra\u010de se dost z\u00e1sadn\u011b li\u0161\u00ed od t\u011bch univerz\u00e1ln\u00edch, kter\u00e9 jsou v\u011bt\u0161inou ur\u010den\u00e9 pro celou \u0159adu r\u016fzn\u00fdch model\u016f r\u016fzn\u00fdch v\u00fdrobc\u016f. Origin\u00e1ln\u00ed d\u00edly jsou naopak vylad\u011bn\u00e9 pro jeden konkr\u00e9tn\u00ed model.<\/p><br>\n\n\n\n<p class=\"has-background\" style=\"background-color:#dddddd\"><strong>Sk\u00e1\u010dou v\u00e1m st\u011bra\u010de?<\/strong> U n\u011bkter\u00fdch model\u016f s reverzn\u00edm pohonem st\u011bra\u010d\u016f se pou\u017e\u00edvaj\u00ed dv\u011b parkovac\u00ed polohy p\u0159edn\u00edch st\u011bra\u010d\u016f, z\u00e1kladn\u00ed a roz\u0161\u00ed\u0159en\u00e1. Mo\u017en\u00e1 jste si u sv\u00e9ho vozu v\u0161imli, \u017ee ob\u010das st\u011bra\u010de p\u0159i vypnut\u00ed zapalov\u00e1n\u00ed nebo p\u0159i rozjezdu jakoby posko\u010d\u00ed \u2013 ani\u017e by pr\u0161elo nebo jste se dotkli p\u00e1\u010dky pod volantem. Jedn\u00e1 se o ochrannou funkci, kter\u00e1 br\u00e1n\u00ed trval\u00e9 deformaci gumov\u00e9ho b\u0159itu, kterou by mohlo zp\u016fsobit jejich dlouh\u00e9 st\u00e1n\u00ed v t\u00e9\u017ee parkovac\u00ed poloze, kdy\u017e se st\u011bra\u010de del\u0161\u00ed dobu nepou\u017eij\u00ed. Dv\u011b parkovac\u00ed polohy se st\u0159\u00eddaj\u00ed podle vnit\u0159n\u00edho algoritmu definovan\u00e9ho v softwaru \u0159\u00eddic\u00ed jednotky motoru st\u011bra\u010d\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Na v\u011bt\u0161\u00ed plochu, nebo stabiln\u011bji ve vysok\u00e9 rychlosti?<\/h2>\n\n\n\n<p>Velk\u00e1 pozornost se b\u011bhem v\u00fdvoje v\u011bnuje tak\u00e9 ost\u0159ikova\u010d\u016fm. Hled\u00e1 se p\u0159edev\u0161\u00edm jejich um\u00edst\u011bn\u00ed, aby co nejrovnom\u011brn\u011bji kapalinou pokryly co nejv\u011bt\u0161\u00ed aktivn\u00ed (tedy st\u011bra\u010di ot\u00edranou) plochu skla \u2013 a to p\u0159i v\u0161ech provozn\u00edch stavech, rychlostech a typech kapaliny. C\u00edlem je rovn\u011b\u017e vym\u00fdtit ru\u0161iv\u00e9 chov\u00e1n\u00ed ost\u0159ikova\u010d\u016f, jako jsou nejr\u016fzn\u011bj\u0161\u00ed parazitn\u00ed zvuky, prsk\u00e1n\u00ed \u010di odkap\u00e1v\u00e1n\u00ed. Ne\u017e\u00e1douc\u00ed je tak\u00e9 dal\u0161\u00ed pohyb kapaliny po ukon\u010den\u00ed st\u00edr\u00e1n\u00ed.<\/p><br>\n\n\n\n<p>Konkr\u00e9tn\u011b \u0160kodovka ve sv\u00fdch automobilech pou\u017e\u00edv\u00e1 t\u0159i druhy ost\u0159ikovac\u00edch trysek: fluidn\u00ed, kuli\u010dkov\u00e9 a jejich kombinaci. Konven\u010dn\u00ed technika, tedy kuli\u010dkov\u00e9 trysky, maj\u00ed jedinou nespornou v\u00fdhodu: vysokou kinematickou energii paprsku kapaliny a t\u00edm mo\u017enost p\u0159esn\u00e9ho nasm\u011brov\u00e1n\u00ed dopadu vody. To je vhodn\u00e9 ve vysok\u00fdch rychlostech, p\u0159i nich\u017e je paprsek stabiln\u011bj\u0161\u00ed a odoln\u011bj\u0161\u00ed v\u016f\u010di proud\u00edc\u00edmu vzduchu. Nev\u00fdhodou pak je mal\u00e1 plocha oplachu a slo\u017eit\u00e9 nastavov\u00e1n\u00ed kuli\u010dek.<\/p><br>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-1024x683.jpg\" alt=\"Kuli\u010dkov\u00e9 ost\u0159ikovac\u00ed trysky\" class=\"wp-image-28851\" srcset=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-1024x683.jpg 1024w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-300x200.jpg 300w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-768x512.jpg 768w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-16x12.jpg 16w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-800x533.jpg 800w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-400x267.jpg 400w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-500x333.jpg 500w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-1170x780.jpg 1170w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1-590x393.jpg 590w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/kulickova-tryska-low_res_dsc8365a-1920x1279-1.jpg 1279w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><br>\n\n\n\n<p>Pro \u010deln\u00ed skla pou\u017e\u00edv\u00e1 \u0160kodovka v\u00fdhradn\u011b fluidn\u00ed nebo kombinovan\u00e9 trysky. \u201eTy fluidn\u00ed pracuj\u00ed na podobn\u00e9m principu jako nap\u0159\u00edklad post\u0159ikovac\u00ed trysky zavla\u017eov\u00e1n\u00ed fotbalov\u00fdch h\u0159i\u0161\u0165. Nejde tedy pouze o ploch\u00fd paprsek vody, n\u00fdbr\u017e o pulzuj\u00edc\u00ed fluidn\u00ed paprsek, kter\u00fd je tvo\u0159en hydrodynamicky v \u010dipu integrovan\u00e9m p\u0159\u00edmo v trysce. V\u00fdhoda tohoto \u0159e\u0161en\u00ed spo\u010d\u00edv\u00e1 v okam\u017eit\u00e9m plo\u0161n\u00e9m oplachu velk\u00e9 plochy skla a v n\u00edzk\u00e9 citlivosti na nep\u0159esn\u00e9 nastaven\u00ed trysky. Nev\u00fdhodou je pak ni\u017e\u0161\u00ed stabilita ost\u0159ikovac\u00edho obrazu ve vy\u0161\u0161\u00edch rychlostech a \u010d\u00e1ste\u010dn\u011b i ur\u010dit\u00e1 vodn\u00ed clona \u0159idi\u010dova v\u00fdhledu p\u0159ed prvn\u00edm set\u0159en\u00edm st\u011bra\u010dem. U zadn\u00edch skel pou\u017e\u00edv\u00e1me fluidn\u00ed i kuli\u010dkov\u00e9 trysky podle velikosti a sklonu skla a s mo\u017enost\u00ed z\u00e1stavbov\u00e9ho prostoru,\u201c dopl\u0148uje \u0160vejdar.<\/p><br>\n\n\n\n<h2 class=\"wp-block-heading\">Za v\u0161\u00edm hledej \u017eenu<\/h2>\n\n\n\n<p>Historie st\u011bra\u010d\u016f za\u010dala docela nen\u00e1padn\u011b. A jak to tak b\u00fdv\u00e1, uchaze\u010d\u016f o titul \u201evyn\u00e1lezce st\u011bra\u010d\u016f\u201c je hned n\u011bkolik. Funk\u010dn\u00ed mechanismus na \u010di\u0161t\u011bn\u00ed \u010deln\u00edho skla si patentovali hned t\u0159i lid\u00e9 \u2013 a v\u0161ichni v podstat\u011b ve stejn\u00fd \u010das kolem roku 1903.<\/p><br>\n\n\n\n<p>Devaten\u00e1ct\u00e9 stolet\u00ed se l\u00e1me do dvac\u00e1t\u00e9ho a realitn\u00ed makl\u00e9\u0159ka, farm\u00e1\u0159ka a vina\u0159ka <a href=\"https:\/\/www.history.com\/this-day-in-history\/mary-anderson-patents-windshield-wiper\" target=\"_blank\" rel=\"noreferrer noopener\">Mary Andersonov\u00e1 z Alabamy<\/a> jede b\u011bhem n\u00e1v\u0161t\u011bvy New Yorku tramvaj\u00ed. Nevl\u00eddno, pl\u00edskanice. Mrznouc\u00ed d\u00e9\u0161\u0165 na \u010deln\u00edm skle znesnad\u0148uje \u0159idi\u010di v\u00fdhled. Jak je v t\u00e9 dob\u011b b\u011b\u017en\u00e9, \u0159e\u0161\u00ed to otev\u0159en\u00edm bo\u010dn\u00edho okna a set\u0159en\u00edm ne\u010distot. Jen\u017ee t\u00edm do vozu pronik\u00e1 mraziv\u00fd vzduch a cestuj\u00edc\u00ed to nesou nelib\u011b. Andersonov\u00e1 se pou\u0161t\u00ed do \u00favah nad za\u0159\u00edzen\u00edm, kter\u00e9 by se dalo ovl\u00e1dat zevnit\u0159.<\/p><br>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/mary_andreson01-copy.jpg\" alt=\"Vyn\u00e1lezkyn\u011b st\u011bra\u010d\u016f Mary Andersonov\u00e1\" class=\"wp-image-28857\" srcset=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/mary_andreson01-copy.jpg 1000w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/mary_andreson01-copy-300x200.jpg 300w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/mary_andreson01-copy-768x511.jpg 768w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/mary_andreson01-copy-16x12.jpg 16w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/mary_andreson01-copy-800x533.jpg 800w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/mary_andreson01-copy-400x267.jpg 400w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/mary_andreson01-copy-500x333.jpg 500w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/02\/mary_andreson01-copy-590x393.jpg 590w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><br>\n\n\n\n<p>O p\u00e1r m\u011bs\u00edc\u016f pozd\u011bji p\u0159ich\u00e1z\u00ed s prvn\u00edm n\u00e1vrhem d\u0159ev\u011bn\u00e9ho ramene pota\u017een\u00e9ho gumou, kter\u00e9 poh\u00e1n\u00ed p\u00e1ka um\u00edst\u011bn\u00e1 pobl\u00ed\u017e volantu. P\u00e1ka spou\u0161t\u00ed pru\u017einov\u00fd mechanismus, kter\u00fd posouv\u00e1 rameno po skle.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Autorka z\u00edsk\u00e1v\u00e1 patent 10. listopadu 1903, nikdy pro n\u011bj ale nenajde investora. Na vin\u011b je \u0161patn\u00e9 na\u010dasov\u00e1n\u00ed \u2013 Andersonov\u00e1 p\u0159edb\u011bhla dobu, raketov\u00fd n\u00e1r\u016fst automobil\u016f nast\u00e1v\u00e1 asi deset let po jej\u00edm vyn\u00e1lezu. Zhruba v roce 1916 jsou st\u011bra\u010de u\u017e b\u011b\u017enou v\u00fdbavou americk\u00fdch voz\u016f. Patent ov\u0161em vypr\u0161el je\u0161t\u011b p\u0159ed t\u00edm, ne\u017e ho autorka mohla zpen\u011b\u017eit.<\/p><\/blockquote>\n\n\n\n<p>Jen o n\u011bkolik m\u011bs\u00edc\u016f rychlej\u0161\u00ed ne\u017e Andersonov\u00e1 je Robert Douglass \u2013 12. b\u0159ezna 1903 z\u00edsk\u00e1v\u00e1 patent na \u201e\u010disti\u010d oken kabin lokomotiv\u201c. A aby boj o p\u0159\u00ed\u010dku nejvy\u0161\u0161\u00ed byl je\u0161t\u011b zamotan\u011bj\u0161\u00ed, 9. \u0159\u00edjna 1903 si irsk\u00fd vyn\u00e1lezce James Henry Apjohn patentuje \u201eapar\u00e1t na \u010di\u0161t\u011bn\u00ed oken vagon\u016f, motorov\u00fdch voz\u016f a dal\u0161\u00edch skel\u201c.<\/p><br>\n\n\n\n<h3 class=\"wp-block-heading\">Zaj\u00edmavosti<\/h3>\n\n\n\n<ul><li>Nejv\u011bt\u0161\u00ed tov\u00e1rnu na st\u011bra\u010de na sv\u011bt\u011b najdeme v belgick\u00e9m Tienenu. Denn\u011b tam vyrob\u00ed 350 tis\u00edc st\u011bra\u010d\u016f sedmi set r\u016fzn\u00fdch typ\u016f.<\/li><li>St\u011bra\u010de zadn\u00edch skel automobil\u016f se za\u010daly objevovat u\u017e ve \u010dty\u0159ic\u00e1t\u00fdch letech minul\u00e9ho stolet\u00ed, k jejich v\u011bt\u0161\u00edmu roz\u0161\u00ed\u0159en\u00ed do\u0161lo a\u017e o t\u00e9m\u011b\u0159 t\u0159i dek\u00e1dy pozd\u011bji v letech \u0161edes\u00e1t\u00fdch.<\/li><li>Dnes naprosto b\u011b\u017enou z\u00e1le\u017eitost, tedy n\u011bkoliker\u00e9 automatick\u00e9 set\u0159en\u00ed skla st\u011bra\u010di p\u0159i pou\u017eit\u00ed ost\u0159ikova\u010de, dost\u00e1vaj\u00ed automobily koncem pades\u00e1t\u00fdch let. Zat\u00edmco v sou\u010dasnosti v\u0161e \u0159\u00edd\u00ed elektronick\u00fd \u010dasova\u010d, tehdy se o pot\u0159ebnou prodlevu staral drobn\u00fd vakuov\u00fd v\u00e1le\u010dek mechanicky propojen\u00fd se sp\u00edna\u010dem: st\u011bra\u010de se spustily, teprve a\u017e z n\u011bj vakuum vyprchalo.<\/li><\/ul><br>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-vertically-aligned-top\" style=\"grid-template-columns:23% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/www.mzone.cz\/senzory-v-autech-oci-ktere-vidi-v-desti-ve-tme-i-ostrem-slunci\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-1024x683.jpg\" alt=\"\" class=\"wp-image-25780 size-full\" srcset=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-1024x683.jpg 1024w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-300x200.jpg 300w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-768x512.jpg 768w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-1536x1024.jpg 1536w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-16x12.jpg 16w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-800x533.jpg 800w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-400x267.jpg 400w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-500x333.jpg 500w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-1170x780.jpg 1170w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute-590x393.jpg 590w, https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/01\/Senzory-v-aute.jpg 1813w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<h4><a href=\"https:\/\/www.mzone.cz\/senzory-v-autech-oci-ktere-vidi-v-desti-ve-tme-i-ostrem-slunci\/\">Senzory v autech: O\u010di, kter\u00e9 vid\u00ed v de\u0161ti, ve tm\u011b i ostr\u00e9m slunci<\/a><\/h4><br>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>St\u011bra\u010de jsou s n\u00e1mi u\u017e p\u0159es sto let a v podstat\u011b se nezm\u011bnily. Po\u0159\u00e1d jde o gumov\u00fd b\u0159it st\u00edraj\u00edc\u00ed vodu ze skla. V\u011bd\u011bli jste ale t\u0159eba, \u017ee u za\u010d\u00e1tk\u016f st\u011bra\u010d\u016f st\u00e1la \u017eena? M\u00e1me je za samoz\u0159ejmost a v\u011bt\u0161inou si neuv\u011bdomujeme, jak d\u016fle\u017eit\u00e9 jsou. Dumali jste n\u011bkdy nad t\u00edm, kde se vlastn\u011b st\u011bra\u010de vzaly? Li\u0161\u00ed se [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":28829,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"kk_blocks_editor_width":"","_kiokenblocks_attr":"","_kiokenblocks_dimensions":"","footnotes":""},"categories":[69,65],"tags":[585,82,462,552,4739,4738,4455,4740,434,1538],"class_list":["post-28827","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-auto-moto","category-technika","tag-auta","tag-auto","tag-auto-moto","tag-automobily","tag-fungovani","tag-sterac","tag-sterace","tag-stirani","tag-technika","tag-zajimavosti"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>St\u011bra\u010de: Jak funguj\u00ed a kdo st\u00e1l u jejich vzniku - Mzone<\/title>\n<meta name=\"description\" content=\"St\u011bra\u010de jsou s n\u00e1mi u\u017e p\u0159es sto let a v podstat\u011b se nezm\u011bnily. 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V\u011bd\u011bli jste ale t\u0159eba, \u017ee u za\u010d\u00e1tk\u016f st\u011bra\u010d\u016f st\u00e1la \u017eena?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mzone.cz\/en\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\/\" \/>\n<meta property=\"og:site_name\" content=\"Mzone\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/MzoneCZ\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-08T03:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mzone.cz\/wp-content\/uploads\/2021\/04\/Sterace.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1651\" \/>\n\t<meta property=\"og:image:height\" content=\"1100\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mzone\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mzone\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\\\/\"},\"author\":{\"name\":\"Mzone\",\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/#\\\/schema\\\/person\\\/9bc20cc422a99cac4af6ff9297da32d4\"},\"headline\":\"St\u011bra\u010de: Jak funguj\u00ed a kdo st\u00e1l u jejich vzniku\",\"datePublished\":\"2021-08-08T03:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\\\/\"},\"wordCount\":1696,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.mzone.cz\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/Sterace.jpg\",\"keywords\":[\"auta\",\"Auto\",\"auto-moto\",\"automobily\",\"fungov\u00e1n\u00ed\",\"st\u011bra\u010d\",\"st\u011bra\u010de\",\"st\u00edr\u00e1n\u00ed\",\"technika\",\"zaj\u00edmavosti\"],\"articleSection\":[\"Auto-moto\",\"Technika\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.mzone.cz\\\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\\\/\",\"url\":\"https:\\\/\\\/www.mzone.cz\\\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\\\/\",\"name\":\"St\u011bra\u010de: Jak funguj\u00ed a kdo st\u00e1l u jejich vzniku - Mzone\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/sterace-jak-funguji-a-kdo-stal-u-jejich-vzniku\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.mzone.cz\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/Sterace.jpg\",\"datePublished\":\"2021-08-08T03:00:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.mzone.cz\\\/#\\\/schema\\\/person\\\/9bc20cc422a99cac4af6ff9297da32d4\"},\"description\":\"St\u011bra\u010de jsou s n\u00e1mi u\u017e p\u0159es sto let a v podstat\u011b se nezm\u011bnily. 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