人人爽人人干,男女污视频在线观看,黑帮老大和我的365日2,久久亚洲成人av,亚洲日本一区二区三区,99er6免费热在线观看精品,亚洲一区免费看,91麻豆产精品久久久久久夏晴子

    Disc brake History

     

    Early experiments

    Development of disc brakes began in England in the 1890s.

    The first caliper-type automobile disc brake was patented by Frederick William Lanchester in his Birmingham factory in 1902 and used successfully on Lanchester cars. However, the limited choice of metals in this period meant that he had to use copper as the braking medium acting on the disc. The poor state of the roads at this time, no more than dusty, rough tracks, meant the copper wore quickly making the system impractical.

    The American Crosley Hot Shot is often given credit for the first production disc brakes. For six months in 1950, Crosley built a car with these brakes, then returned to drum brakes. Lack of sufficient research caused reliability problems, such as sticking and corrosion, especially in regions using salt on winter roads. Drum brake conversions for Hot Shots were quite popular. The Crosley disc was a Goodyear development, a caliper type with ventilated disc, originally designed for aircraft applications.

    Chrysler developed a unique braking system, offered from 1949 to 1953. Instead of the disc with caliper squeezing on it, this system used twin expanding discs that rubbed against the inner surface of a cast-iron brake drum, which doubled as the brake housing. The discs spread apart to create friction against the inner drum surface through the action of standard wheel cylinders. Because of the expense, the brakes were only standard on the Chrysler Crown and the Town and Country Newport in 1950. They were optional, however, on other Chryslers, priced around $400, at a time when an entire Crosley Hot Shot retailed for $935. This four-wheel disc brake system was built by Auto Specialties Manufacturing Company (Ausco) of St. Joseph, Michigan, under patents of inventor H.L. Lambert, and was first tested on a 1939 Plymouth. Chrysler discs were "self energizing," in that some of the braking energy itself contributed to the braking effort. This was accomplished by small balls set into oval holes leading to the brake surface.When the disc made initial contact with the friction surface, the balls would be forced up the holes forcing the discs further apart and augmenting the braking energy. This made for lighter braking pressure than with calipers, avoided brake fade, promoted cooler running, and provided one-third more friction surface than standard Chrysler twelve-inch drums. Today's owners consider the Ausco-Lambert very reliable and powerful, but admit its grabbiness and sensitivity.

    Racing breakthrough

    Reliable caliper-type disc brakes first appeared in 1953 on the Jaguar C-Type racing car. These brakes helped the company to win the 1953 24 Hours of Le Mans,developed in the UK by Dunlop. That same year, the aluminum bodied Austin-Healey 100S, of which 50 were made, was the first car sold to the public to have disc brakes, fitted to all 4 wheels.

    Mass production

    The first mass production use of the modern disc brake was in 1955, on the Citroën DS, which featured caliper-type front disc brakes among its many innovations. These discs were mounted inboard near the transmission, and were powered by the vehicle's central hydraulic system. This model went on to sell 1.5 million units over 20 years with the same brake setup.

    The Jensen 541, with four-wheel disc brakes, followed in 1956.

    Disc brakes were most popular on sports cars when they were first introduced, since these vehicles are more demanding about brake performance. Discs have now become the more common form in most passenger vehicles, although many (particularly light weight vehicles) use drum brakes on the rear wheels to keep costs and weight down as well as to simplify the provisions for a parking brake. As the front brakes perform most of the braking effort, this can be a reasonable compromise.

    Many early implementations for automobiles located the brakes on the inboard side of the driveshaft, near the differential, while most brakes today are located inside the wheels. An inboard location reduces the unsprung weight and eliminates a source of heat transfer to the tires.

    Historically, brake discs were manufactured throughout the world with a strong concentration in Europe and America. Between 1989 and 2005, manufacturing of brake discs migrated predominantly to China.

    2016-09-27 23:56:04
    主站蜘蛛池模板: 久久久久一区二区三区四区| 国产精品久久久久久久四虎电影| 国产无套精品一区二区| 国产精品一区二区中文字幕| 99国产精品丝袜久久久久久| 狠狠色狠狠色综合日日五| 性欧美一区二区三区| 国产69精品久久久久app下载 | 欧美二区精品| 99国产精品一区二区| 97久久国产亚洲精品超碰热 | 国产91一区二区在线观看| 91国偷自产中文字幕婷婷| 国产伦精品一区二区三区四区| 国产一级片一区| 欧美一区二区在线不卡| 亚洲欧美日韩精品suv| 久久久综合亚洲91久久98| xxxx在线视频| 少妇自拍一区| 99精品少妇| 欧美精品一卡二卡| 波多野结衣巨乳女教师| 麻豆天堂网| 色一情一乱一乱一区99av白浆| 欧美日本三级少妇三级久久| 欧美在线播放一区| 国产精品99在线播放| 538国产精品一区二区在线| 欧美一区二区在线不卡| 91精品第一页| 日韩精品中文字幕一区二区| 国产清纯白嫩初高生视频在线观看| 欧美久久一区二区三区| 精品国产乱码久久久久久软件影片| 国产亚洲久久| 国产一区二区视频免费观看| 日韩亚洲精品视频| 草逼视频网站| 国产一区二区大片| 精品久久不卡| 亚洲欧美一区二区三区不卡| 亚洲精品欧美精品日韩精品| 午夜av男人的天堂| www.午夜av| 精品久久国产视频| 91精品高清| 一色桃子av| 99视频国产在线| 国产精一区二区三区| 国产精品入口麻豆九色| 中文字幕一区二区三区乱码视频 | 日本一区欧美| 国产精品日韩高清伦字幕搜索| 欧美精品久久一区| 狠狠色噜噜狠狠狠狠| 国产一区二区视频播放| yy6080影院旧里番乳色吐息| 97久久国产亚洲精品超碰热| 亚洲国产99| 久久夜色精品国产噜噜麻豆| 国产精品99久久久久久宅男| 九九久久国产精品| 久久青草欧美一区二区三区| 国产免费一区二区三区四区| 99精品国产一区二区三区麻豆 | 午夜三级电影院| 国产麻豆一区二区三区在线观看| 国产精品9区| 好吊色欧美一区二区三区视频| 国产在线一二区| 久久久精品免费看| 精品国产一二三四区| 日韩精品中文字幕一区二区| 国产日韩一区二区三区| 狠狠色狠狠色88综合日日91| free×性护士vidos欧美| 午夜剧场a级片| 91麻豆精品国产91久久久更新资源速度超快| 亚洲国产精品91| 亚洲乱小说| 久久久精品二区| 99久久国产综合精品麻豆| 国产床戏无遮挡免费观看网站| 日本伦精品一区二区三区免费| 日韩av一区不卡| 国产精品久久久麻豆| 久久婷婷国产麻豆91天堂徐州| 国产精品一区二区三| 国产精品亚洲二区| 日韩区欧美久久久无人区| 日韩国产精品一区二区| 亚洲精品一区二区三区98年| 狠狠色综合欧美激情| 精品99免费视频| 亚洲国产一区二| 99久久国产免费| 久久久久久综合网| 午夜爽爽视频| 国产精品国产三级国产专区53| 日韩国产精品一区二区| 精品国产一二三四区| 中文字幕理伦片免费看| 一区二区三区国产视频| 日本免费电影一区二区三区| 中文字幕欧美日韩一区| 日韩国产精品久久| 免费欧美一级视频| 欧美一区二区三区不卡视频| 国产91热爆ts人妖在线| 456亚洲精品| 一区二区久久精品| 免费xxxx18美国| 国产品久久久久久噜噜噜狼狼| 91日韩一区二区三区| 夜夜嗨av色一区二区不卡| 91午夜精品一区二区三区| 国产91色综合| 欧美乱战大交xxxxx| 国产97久久| 亚洲神马久久| 国产一区二区中文字幕| 国产精品日韩一区二区| 国产日产欧美一区| 国内精品99| 99久久免费毛片基地| 婷婷嫩草国产精品一区二区三区| 国产日韩欧美一区二区在线播放| 日韩中文字幕亚洲欧美| 91在线一区二区| 欧美国产亚洲精品| 亚洲国产日韩综合久久精品| 精品久久久久久中文字幕| 日本护士hd高潮护士| 精品国产一区二区三| 日韩av在线影视| 欧美国产三区| 亚洲激情中文字幕| 亚洲欧洲一区二区| 国产色一区二区| 国产足控福利视频一区| 中文字幕日韩一区二区| 欧美一区二区三区不卡视频| 午夜一级免费电影| 精品国产一区二区三区久久久久久 | 国产精品综合在线| 国产精品刺激对白麻豆99| 精品一区中文字幕| 色婷婷久久一区二区三区麻豆| 精品国产1区2区3区| 欧美在线一区二区视频| 欧美在线视频二区| 狠狠色噜噜狠狠狠狠综合久| 午夜av电影院| 亚洲国产视频一区二区三区| 美女直播一区二区三区| 欧美在线视频一二三区| 久久中文一区二区| 国产一区亚洲一区| 欧美精品一区二区久久久| 亚洲欧美另类综合| 国产清纯白嫩初高生在线观看性色| 国产欧美日韩一区二区三区四区| 91一区二区三区久久国产乱 | 日韩中文字幕亚洲精品欧美| 精品国产九九| 91精品国模一区二区三区| 一区二区欧美视频| 精品福利一区| 99久久国产综合精品女不卡| 国产一区二区高清视频| 欧美福利三区| 少妇精品久久久久www蜜月| 免费在线观看国产精品| 午夜一二区| 日韩精品中文字幕一区二区三区| 中文字幕+乱码+中文字幕一区| 激情久久久| 制服丝袜亚洲一区| 欧美一区二区三区日本| 久爱视频精品| 欧美日韩一区二区三区在线播放| 国模精品免费看久久久| 国产精品一区二区日韩新区| 国产一级一区二区| 精品国产一区二区三区高潮视 | 国产精品对白刺激在线观看| 久久久综合亚洲91久久98| 91性高湖久久久久久久久_久久99| 制服.丝袜.亚洲.另类.中文| xxxxhd欧美| 国产精品一区二区在线看| 日本精品一二三区| 欧美日韩国产免费观看| 免费xxxx18美国| 免费午夜片| 中文字幕日本一区二区| av午夜在线观看| 在线观看黄色91| 在线国产精品一区二区| 国产日韩欧美综合在线| 午夜影院色| 国产精品日本一区二区不卡视频| 国产一级自拍片| 色婷婷综合久久久中文一区二区| 欧美激情视频一区二区三区| 在线精品一区二区| 午夜诱惑影院| 日韩欧美视频一区二区| 国产精品爽到爆呻吟高潮不挺| 国产一级在线免费观看| 国产一区二区视频免费在线观看| **毛片免费| 麻豆91在线| 久久精品国产久精国产| 国产97免费视频| 精品一区二区三区中文字幕| 午夜少妇性影院免费观看| 理论片高清免费理伦片| 中文字幕在线乱码不卡二区区| 午夜看片在线| 精品国产91久久久久久久| 91avpro| 久久精品一区二区三区电影| 国产精品视频1区2区3区| 狠狠色狠狠色很很综合很久久| 国产精品久久久爽爽爽麻豆色哟哟| 亚洲国产精品国自产拍av| 欧美一区二区三区在线免费观看| xx性欧美hd| 国产精品日韩高清伦字幕搜索| 99精品久久99久久久久| 国产麻豆一区二区三区在线观看 | 68精品国产免费久久久久久婷婷| 国产免费一区二区三区四区| 欧美在线免费观看一区| 欧美777精品久久久久网| 日韩av在线资源| 国产精品乱码一区| 国产午夜精品一区二区三区四区| 欧美3p激情一区二区三区猛视频| 国产精品日产欧美久久久久| 国产精品自产拍在线观看蜜| 国产精品麻豆99久久久久久| 欧美一区二区三区久久久| 国产黄色一区二区三区|