{"id":18930,"date":"2024-12-09T16:56:07","date_gmt":"2024-12-09T19:56:07","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=18930"},"modified":"2024-12-09T16:56:08","modified_gmt":"2024-12-09T19:56:08","slug":"sistema-de-comando-de-valvulas","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/sistema-de-comando-de-valvulas\/","title":{"rendered":"Sistema de Comando de V\u00e1lvulas"},"content":{"rendered":"<p class=\"wp-block-paragraph\">O sistema de comando de v&#xE1;lvulas &#xE9; respons&#xE1;vel por sincronizar a abertura e o fechamento das v&#xE1;lvulas do motor, controlando a entrada de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_0eaef053552d3f8e0da601d521f763ae\" data-link=\"https:\/\/hangarmma.com.br\/blog\/mistura-ar-combustivel\/\" href=\"https:\/\/hangarmma.com.br\/blog\/mistura-ar-combustivel\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">mistura ar-combust&#xED;vel<\/a> e a exaust&#xE3;o dos gases queimados. Esse mecanismo &#xE9; formado por diversos componentes interligados:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"442\" src=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-33.png\" alt=\"\" class=\"wp-image-18931\" srcset=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-33.png 640w, https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-33-300x207.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\"\/><figcaption class=\"wp-element-caption\">Livro Aeronaves e Motores &#x2013; Conhecimentos T&#xE9;cnicos de Avi&#xE3;o &#x2013; Jorge M. Homa<\/figcaption><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Eixo de Comando de V&#xE1;lvulas<\/strong>: Possui ressaltos projetados para acionar o sistema de abertura das v&#xE1;lvulas de forma precisa. Ele &#xE9; movido pelo eixo de manivelas por meio de uma engrenagem ou corrente sincronizadora.<\/li>\n\n\n\n<li><strong>Tucho<\/strong>: O <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_bffef08b914d0fc34e38dcb91935e2d4\" data-link=\"https:\/\/hangarmma.com.br\/blog\/elemento\/\" href=\"https:\/\/hangarmma.com.br\/blog\/elemento\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">elemento<\/a> intermedi&#xE1;rio entre o eixo de comando e a vareta. Pode ser:\n<ul class=\"wp-block-list\">\n<li><strong>Mec&#xE2;nico<\/strong>: Necessita de ajuste manual de folga no mecanismo para compensar a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_8e0e1fd733de3a58937fa4aca86833aa\" data-link=\"https:\/\/hangarmma.com.br\/blog\/dilatacao-termica\/\" href=\"https:\/\/hangarmma.com.br\/blog\/dilatacao-termica\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">dilata&#xE7;&#xE3;o t&#xE9;rmica<\/a>.<\/li>\n\n\n\n<li><strong>Hidr&#xE1;ulico<\/strong>: Ajusta automaticamente a folga, eliminando a necessidade de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_9f121fb8c1078cb5a639d70d35f8e941\" data-link=\"https:\/\/hangarmma.com.br\/blog\/maintenance\/\" href=\"https:\/\/hangarmma.com.br\/blog\/maintenance\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">manuten&#xE7;&#xE3;o<\/a> frequente e garantindo opera&#xE7;&#xE3;o silenciosa.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Vareta<\/strong>: Transmite o movimento do tucho ao balancim.<\/li>\n\n\n\n<li><strong>Balancim<\/strong>: Converte o movimento linear da vareta em movimento angular para abrir a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_15d2886de985b862afe4246008aa849e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/valvula\/\" href=\"https:\/\/hangarmma.com.br\/blog\/valvula\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">v&#xE1;lvula<\/a>.<\/li>\n\n\n\n<li><strong>V&#xE1;lvulas<\/strong>: Componentes que regulam o fluxo de gases no motor, abrindo e fechando conforme o comando.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Funcionamento<\/strong>: O eixo de comando de v&#xE1;lvulas gira, e seus ressaltos pressionam os tuchos. Isso transmite for&#xE7;a para as varetas, que acionam os balancins, resultando na abertura das v&#xE1;lvulas. O fechamento das v&#xE1;lvulas &#xE9; garantido pelas molas instaladas em cada uma delas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Molas das V&#xE1;lvulas<\/strong>: Cada <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_15d2886de985b862afe4246008aa849e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/valvula\/\" href=\"https:\/\/hangarmma.com.br\/blog\/valvula\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">v&#xE1;lvula<\/a> possui de duas a tr&#xEA;s molas conc&#xEA;ntricas enroladas em sentidos opostos. Essa configura&#xE7;&#xE3;o evita embara&#xE7;amento entre as molas, garantindo maior seguran&#xE7;a e confiabilidade no funcionamento do motor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O sistema de comando de v\u00e1lvulas \u00e9 respons\u00e1vel por sincronizar a abertura e o fechamento das v\u00e1lvulas do motor, controlando a entrada de mistura ar-combust\u00edvel e a exaust\u00e3o dos gases queimados. Esse mecanismo \u00e9 formado por diversos componentes interligados: Funcionamento: O eixo de comando de v\u00e1lvulas gira, e seus ressaltos pressionam os tuchos. Isso transmite [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-18930","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sistema de Comando de V\u00e1lvulas - HANGAR MMA<\/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:\/\/hangarmma.com.br\/blog\/sistema-de-comando-de-valvulas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sistema de Comando de V\u00e1lvulas - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"O sistema de comando de v\u00e1lvulas \u00e9 respons\u00e1vel por sincronizar a abertura e o fechamento das v\u00e1lvulas do motor, controlando a entrada de mistura ar-combust\u00edvel e a exaust\u00e3o dos gases queimados. 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