{"id":9452,"date":"2024-09-04T21:34:38","date_gmt":"2024-09-04T13:34:38","guid":{"rendered":"https:\/\/tommykwan.com\/blog\/?p=9452"},"modified":"2025-08-03T13:43:41","modified_gmt":"2025-08-03T05:43:41","slug":"why-air-brakes-for-truck-and-bus","status":"publish","type":"post","link":"https:\/\/tommykwan.com\/blog\/my-diaries\/why-air-brakes-for-truck-and-bus\/","title":{"rendered":"Why air brakes for truck and bus?"},"content":{"rendered":"\r\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><\/figure>\r\n<p><a href=\"https:\/\/youtu.be\/rLLndBULsBU?si=-z_qmcdWEd87qoFH\">https:\/\/youtu.be\/rLLndBULsBU?si=-z_qmcdWEd87qoFH<\/a><\/p>\r\n<p><span style=\"text-decoration: underline;\">Braking system \u5206\u5169\u5927\u90e8\u5206<\/span><\/p>\r\n<ol>\r\n<li>The source of power\u00a0<\/li>\r\n<li>The types of actuator<\/li>\r\n<\/ol>\r\n<p>&nbsp;<\/p>\r\n<p><span style=\"text-decoration: underline;\"><strong>Power Source<\/strong> of braking system (in general)<\/span><\/p>\r\n<ol>\r\n<li><strong>Air<\/strong>-brake system\r\n<ul>\r\n<li>use <strong>pneumatic (compressed air)<\/strong><\/li>\r\n<li><strong>fail-safe design<\/strong><\/li>\r\n<li>consistent braking performance even under extreme temperature condition<\/li>\r\n<li>no fluid leakage issue<\/li>\r\n<li>usually apply for heavy use<\/li>\r\n<li>BUT, it need the air filter (air dryer) to prevent water in lines<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Hydraulic<\/strong>-brake system<\/li>\r\n<\/ol>\r\n<p><a href=\"https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/09\/Brake-schematic-diagram.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9457\" src=\"https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/09\/Brake-schematic-diagram.png\" alt=\"\" width=\"1278\" height=\"719\" srcset=\"https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/09\/Brake-schematic-diagram.png 1278w, https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/09\/Brake-schematic-diagram-300x169.png 300w, https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/09\/Brake-schematic-diagram-1024x576.png 1024w, https:\/\/tommykwan.com\/blog\/wp-content\/uploads\/2024\/09\/Brake-schematic-diagram-768x432.png 768w\" sizes=\"auto, (max-width: 1278px) 100vw, 1278px\" \/><\/a><\/p>\r\n<p><span style=\"text-decoration: underline;\">Types of<strong> Actuators<\/strong> (brakes)\u00a0<\/span><\/p>\r\n<ol>\r\n<li><strong>Disc<\/strong> brake\r\n<ul>\r\n<li><strong>more effective<\/strong> at slowing or stopping a vehicle\u00a0<\/li>\r\n<\/ul>\r\n<\/li>\r\n<li><strong>Drum<\/strong> brake\r\n<ul>\r\n<li><strong>cheaper (cost)!<\/strong><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ol>\r\n<p><div class=\"embed-container\"><iframe loading=\"lazy\" title=\"Why Do Semi-Trucks Use Air Brakes?\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/rLLndBULsBU?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><\/div><\/p>\r\n<p>&nbsp;<\/p>\r\n<p><div class=\"embed-container\"><blockquote class=\"wp-embedded-content\" data-secret=\"T0i2eFXDEP\"><a href=\"https:\/\/tommykwan.com\/blog\/aviation\/how-the-aircrafts-air-brake-works\/\">How The Aircraft&#8217;s Air Brake Works<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;How The Aircraft&#8217;s Air Brake Works&#8221; &#8212; Tommy&#039;s Diaries\" src=\"https:\/\/tommykwan.com\/blog\/aviation\/how-the-aircrafts-air-brake-works\/embed\/#?secret=kVYxFTRloQ#?secret=T0i2eFXDEP\" data-secret=\"T0i2eFXDEP\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div><\/p>\r\n","protected":false},"excerpt":{"rendered":"<p><a class=\"read-more \" href=\"https:\/\/tommykwan.com\/blog\/my-diaries\/why-air-brakes-for-truck-and-bus\/\" title=\"Read More\"> <span class=\"button default\">Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-9452","post","type-post","status-publish","format-standard","hentry","category-my-diaries"],"_links":{"self":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/9452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/comments?post=9452"}],"version-history":[{"count":14,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/9452\/revisions"}],"predecessor-version":[{"id":10019,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/9452\/revisions\/10019"}],"wp:attachment":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/media?parent=9452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/categories?post=9452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/tags?post=9452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}