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: 国产精品一区二区av日韩在线 | 欧美hdxxxx| 99riav3国产精品视频| 国产精品一二三区视频出来一| 久久国产精品视频一区| 亚洲精品一区,精品二区| 日本美女视频一区二区三区| 午夜毛片在线| 久久久精品免费看| 欧美乱妇高清无乱码一级特黄| 国产精品高潮呻| 少妇bbwbbwbbw高潮| 国产高潮国产高潮久久久91| 92久久精品| av午夜电影| 久久99精品久久久久婷婷暖91| 国产一区二区极品| 麻豆国产一区二区| 日本高清不卡二区| 国产97在线播放| 成年人性生活免费看| 少妇av一区二区三区| 99久久国产综合| 国产精品亚发布| 99久久国产免费,99久久国产免费大片| 午夜看大片| 久久国产精品欧美| 欧美在线观看视频一区二区| 97人人揉人人捏人人添| 久久国产精彩视频| 欧美午夜理伦三级在线观看偷窥 | 欧美一区二区激情三区| 粉嫩久久久久久久极品| 国产日韩欧美精品一区 | 国产精品一二三区免费| 国产一区二三| 中文字幕欧美一区二区三区| 国产欧美亚洲一区二区| 日本一码二码三码视频| 久久影视一区二区| 偷拍精品一区二区三区| 视频二区一区国产精品天天| 激情久久一区| 亚洲国产精品肉丝袜久久| 欧美一区二区三区在线视频播放| 亚洲精品无吗| 亚洲午夜精品一区二区三区电影院 | 丰满少妇高潮惨叫久久久| 正在播放国产一区二区| 999国产精品999久久久久久| 亚洲国产欧美一区二区三区丁香婷| 日韩av电影手机在线观看| 秋霞av电影网| 国产精品一区二区av麻豆| 欧美日韩一卡二卡| 欧美一区二区精品久久911| 国产亚洲精品久久久久秋霞| aaaaa国产欧美一区二区| 亚洲精品国产久| 国产一区二区伦理| 丰满岳乱妇bd在线观看k8| 国产女人好紧好爽| 欧美国产精品久久| 日本一区二区三区免费视频| 91香蕉一区二区三区在线观看| 亚洲国产精品国自产拍av| 国产视频一区二区三区四区| 亚洲精品久久久久中文字幕欢迎你| 久久91久久久久麻豆精品| 国产高清无套内谢免费| 中文字幕一区二区在线播放| 欧洲另类类一二三四区| 91久久久爱一区二区三区| 国产伦精品一区二区三区免费下载| 午夜精品影视| 国产精品久久91| 国产九九九精品视频| 狠狠色依依成人婷婷九月| 亚洲福利视频一区| 精品久久久久久久免费看女人毛片 | 精品久久久久久中文字幕大豆网 | a级片一区| 精品少妇一区二区三区| 久久久久久综合网| 日本精品一区二区三区视频| 久久精品国产精品亚洲红杏| 国产一区二区91| 久久一二区| 亚洲精品日韩激情欧美| 国产一区在线精品| bbbbb女女女女女bbbbb国产| 日韩av在线播| 欧美二区在线视频| 中文字幕久久精品一区| 国产精品视频一区二区在线观看 | 人人澡超碰碰97碰碰碰| 日韩无遮挡免费视频| 欧美一区二区三区久久久久久桃花 | 国产97久久| 97视频精品一二区ai换脸| xxxx在线视频| 国产欧美精品一区二区三区-老狼 国产精品一二三区视频网站 | 国产精品一区二区久久乐夜夜嗨| 国产女人与拘做受免费视频| 91精品一区二区中文字幕| 九九热国产精品视频| 国产一区二区三区小说| 日本美女视频一区二区三区| 狠狠色噜噜狠狠狠色综合| 国产日韩欧美精品一区二区| 亚洲一二三四区| 国产69精品久久久久app下载| 美国三级日本三级久久99| 91性高湖久久久久久久久_久久99| 国产日韩欧美另类| 精品国产一二区| 日本一区二区三区四区高清视频| 97久久精品人人做人人爽50路| 国产精品1234区| 亚洲少妇中文字幕| 99精品视频免费看| 国产精品日韩精品欧美精品| 国产精品美女久久久另类人妖| 国语对白一区二区三区| 日韩av在线中文| 狠狠色依依成人婷婷九月| 性夜影院在线观看| 国内视频一区二区三区| 国产精品1234区| 又黄又爽又刺激久久久久亚洲精品 | 日韩欧美国产高清91| 午夜激情影院| www色视频岛国| 国产精品欧美一区乱破| 欧美精品中文字幕亚洲专区| 欧美精品一级二级| 午夜av网址| 欧美乱大交xxxxx古装| 日韩精品一区中文字幕| 波多野结衣女教师30分钟| 97人人澡人人爽91综合色| 国产精品人人爽人人做av片| 国产性猛交xx乱| 国产精品一区二区在线观看免费| 午夜剧场a级免费| 国产高清一区二区在线观看| 国产麻豆一区二区三区在线观看| 蜜臀久久99静品久久久久久 | 亚洲国产日韩综合久久精品| 日韩中文字幕在线一区二区| 免费观看又色又爽又刺激的视频| 精品国产一区二| 狠狠色狠狠色综合系列| 亚洲女人av久久天堂| 国产午夜精品一区理论片飘花| 国产亚洲欧美日韩电影网| 国产日韩欧美91| 国产一区二区三区大片| 久久久精品视频在线| 国产真裸无庶纶乱视频| 久草精品一区| 中文字幕一区二区在线播放| 日韩毛片一区| 中文乱码在线视频| 性国产videofree极品| 国产精品视频一区二区二| 少妇精品久久久久www蜜月| 国产午夜精品一区| **毛片在线| 51区亚洲精品一区二区三区| 亚洲1区在线观看| 91精品综合在线观看| 国产一区二区麻豆| 99日本精品| 国产极品美女高潮无套久久久| 日本午夜影视| 国产一二区在线| 日韩欧美国产中文字幕| 国产麻豆精品久久| 午夜大片网| 国产午夜精品一区| 夜夜躁人人爽天天天天大学生 | 中文字幕一区二区三区免费| 国产麻豆91欧美一区二区| 久久久久久久亚洲视频| 免费看性生活片| 亚洲欧美日韩视频一区| 久久激情图片| 91麻豆精品一区二区三区| 国产一区第一页| 日韩精品久久久久久久的张开腿让| 欧美精品八区| 国产专区一区二区| 91精品国产综合久久福利软件| 亚洲少妇中文字幕| 国产精品久久久综合久尹人久久9| 亚洲第一天堂无码专区 | 久久99国产精品久久99| 国产一区二| 91一区二区在线观看| 国产精品视频99| 国产清纯白嫩初高生在线播放性色| 久久国产激情视频| 午夜理伦影院| 粉嫩久久99精品久久久久久夜| 欧美日韩一区二区电影| 97欧美精品| 精品日韩久久久| 国产福利精品一区| 中文字幕欧美一区二区三区| 国产精品一二三在线观看| 国产一区二区三区乱码| 亚洲一二区在线观看| 国产视频在线一区二区| 亚洲精品卡一| 99国产伦精品一区二区三区 | 久久久999精品视频| 国产精品免费专区| 日韩av在线导航| 日本99精品| 欧美亚洲精品一区二区三区| 99热久久这里只精品国产www| 91久久国产露脸精品| 午夜激情影院| 91热国产| 97国产婷婷综合在线视频,| 国产精品久久久久久久久久久久久久不卡| 亚洲精品久久久久久动漫| 久久青草欧美一区二区三区| 色综合久久88| 日韩精品免费一区二区夜夜嗨| 国产精品视频一区二区二| 欧美一区二区在线不卡| 亚洲精品一区在线| 日韩午夜三级| 久久69视频| 丰满岳妇伦4在线观看| 免费看农村bbwbbw高潮| 久久影院国产精品| 国产精华一区二区精华| 黄色av免费| 国产精品69av| 韩国女主播一区二区| 福利片91| 日韩亚洲精品视频| 最新国产精品自拍|