{"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":"\n<p class=\"wp-block-paragraph\">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:<\/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 \u2013 Conhecimentos T\u00e9cnicos de Avi\u00e3o \u2013 Jorge M. Homa<\/figcaption><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Eixo de Comando de V\u00e1lvulas<\/strong>: Possui ressaltos projetados para acionar o sistema de abertura das v\u00e1lvulas de forma precisa. Ele \u00e9 movido pelo eixo de manivelas por meio de uma engrenagem ou corrente sincronizadora.<\/li>\n\n\n\n<li><strong>Tucho<\/strong>: O elemento intermedi\u00e1rio entre o eixo de comando e a vareta. Pode ser:\n<ul class=\"wp-block-list\">\n<li><strong>Mec\u00e2nico<\/strong>: Necessita de ajuste manual de folga no mecanismo para compensar a dilata\u00e7\u00e3o t\u00e9rmica.<\/li>\n\n\n\n<li><strong>Hidr\u00e1ulico<\/strong>: Ajusta automaticamente a folga, eliminando a necessidade de manuten\u00e7\u00e3o frequente e garantindo opera\u00e7\u00e3o 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 v\u00e1lvula.<\/li>\n\n\n\n<li><strong>V\u00e1lvulas<\/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\u00e1lvulas gira, e seus ressaltos pressionam os tuchos. Isso transmite for\u00e7a para as varetas, que acionam os balancins, resultando na abertura das v\u00e1lvulas. O fechamento das v\u00e1lvulas \u00e9 garantido pelas molas instaladas em cada uma delas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Molas das V\u00e1lvulas<\/strong>: Cada v\u00e1lvula possui de duas a tr\u00eas molas conc\u00eantricas enroladas em sentidos opostos. Essa configura\u00e7\u00e3o evita embara\u00e7amento entre as molas, garantindo maior seguran\u00e7a 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,"template":"","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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