{"id":18933,"date":"2024-12-09T16:59:18","date_gmt":"2024-12-09T19:59:18","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=18933"},"modified":"2024-12-09T16:59:19","modified_gmt":"2024-12-09T19:59:19","slug":"valvula","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/valvula\/","title":{"rendered":"V\u00e1lvula"},"content":{"rendered":"<p class=\"wp-block-paragraph\">As v&#xE1;lvulas s&#xE3;o componentes essenciais no motor de aeronaves, projetadas para controlar o fluxo de gases no interior dos cilindros durante os ciclos de admiss&#xE3;o e exaust&#xE3;o. Cada v&#xE1;lvula &#xE9; composta por duas partes principais:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"182\" height=\"136\" src=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-34.png\" alt=\"\" class=\"wp-image-18934\"\/><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>Haste Cil&#xED;ndrica<\/strong>: Prolongamento fino e alongado que conecta a v&#xE1;lvula ao sistema de comando. A haste guia o movimento da v&#xE1;lvula e &#xE9; projetada para minimizar o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd039a6f91a5dc4aa5c3c9fa80485be6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atrito<\/a> com o guia de v&aacute;lvula, muitas vezes utilizando revestimentos resistentes ao desgaste e ao <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_fba6d7bf5c0847a6c0bdeb5ecd4f09ba\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/calor\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/calor\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>calor<\/a>.<\/li>\n\n\n\n<li><strong>Cabe&#xE7;a da V&#xE1;lvula<\/strong>: Parte alargada que entra em <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f0275eb16568afdfc614793b73581fbd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/contato\/\" href=\"https:\/\/hangarmma.com.br\/blog\/contato\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">contato<\/a> com a sede da v&#xE1;lvula, vedando o cilindro. Possui caracter&#xED;sticas importantes:\n<ul class=\"wp-block-list\">\n<li><strong>Superf&#xED;cie C&#xF4;nica<\/strong>: O &#xE2;ngulo c&#xF4;nico melhora o assentamento, garantindo veda&#xE7;&#xE3;o eficiente e reduzindo perdas de compress&#xE3;o.<\/li>\n\n\n\n<li><strong>Endurecimento da Superf&#xED;cie<\/strong>: A superf&#xED;cie de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f0275eb16568afdfc614793b73581fbd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/contato\/\" href=\"https:\/\/hangarmma.com.br\/blog\/contato\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">contato<\/a> &#xE9; tratada para resistir ao desgaste causado pelas altas temperaturas e press&#xF5;es no motor.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Formatos da Cabe&#xE7;a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plano<\/strong>: Usado para aplica&#xE7;&#xF5;es espec&#xED;ficas onde simplicidade e resist&#xEA;ncia t&#xE9;rmica s&#xE3;o prioridades.<\/li>\n\n\n\n<li><strong>Cogumelo<\/strong> ou <strong>Tulipa<\/strong>: Projetos mais avan&#xE7;ados que otimizam o fluxo de gases, reduzindo <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_3961b7ebf695a9ef74a7a1025f7414d9\" data-link=\"https:\/\/hangarmma.com.br\/blog\/resistencia-aerodinamica\/\" href=\"https:\/\/hangarmma.com.br\/blog\/resistencia-aerodinamica\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">resist&#xEA;ncia aerodin&#xE2;mica<\/a> e aumentando a efici&#xEA;ncia volum&#xE9;trica.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>As v\u00e1lvulas s\u00e3o componentes essenciais no motor de aeronaves, projetadas para controlar o fluxo de gases no interior dos cilindros durante os ciclos de admiss\u00e3o e exaust\u00e3o. Cada v\u00e1lvula \u00e9 composta por duas partes principais: Formatos da Cabe\u00e7a<\/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-18933","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>V\u00e1lvula - 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\/valvula\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u00e1lvula - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"As v\u00e1lvulas s\u00e3o componentes essenciais no motor de aeronaves, projetadas para controlar o fluxo de gases no interior dos cilindros durante os ciclos de admiss\u00e3o e exaust\u00e3o. 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