fuel injection系统蓝印 - 整体框架基本完成ing... 072409
fuel injector在美国要大约$150一只，那么I6的宝马就是$900，中国肯定只贵不便宜。另外blue print fuel injector在美国是个大市场，所以想多学点东西来玩一玩，就买了6个旧的injector，加上fuel rail一共才$30。blue print fuel injector的好处在于使每一个气缸得到的燃油都一样多，这样动力最强，也最省油。燃烧充分。
这个是未分解之前的injector，已经脏得不成样子了
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02616.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02617.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02619.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02615.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02620.jpg
这个是那我们公司价值$200,000的显微镜拍的图片，每个injector的opening大约只有230微米直径，所以万一那个堵住了，就歇菜了
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/02.jpg
分解完毕的injectors，吧pintle cap，o-ring和washer都拆掉，准备好清洁去了
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02624.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02623.jpg
清洁中
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02626.jpg
这个是大名鼎鼎的Acetone，丙酮，非常好的有机溶剂
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02627.jpg
巨大的超声震荡发生器，清洁专用
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02628.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02630.jpg
一个小时以后的样子
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02631.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02632.jpg
这个是清洁干净以后的样子，注意上面的油漆都被Acetone给洗掉了
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02633.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02635.jpg
这一面的油漆洗得相当干净
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02636.jpg
这边就不怎么样了，因为比较靠近引擎，所以多年的高热已经把一部分油漆烧到金属里面去了
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02638.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02639.jpg
接下来测试了一下电阻，6个分别为16.4, 16.4, 16.5, 16.6, 16.7, 16.9Ohms，基本方差不算太大，落在+/-1.5sigma之内，所以都算是好的
未完待续
PS，还有一个项目在同时进行中，现在正在一种有机溶剂中浸泡除污，第一个猜出来是什么溶剂的加20分
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02613.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02612.jpg
提示：黄绿色液体
--------------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------------
6/23/09更新
这个就是fuel injector rebuild kit了，一共才$24，和6个新的injector比起来实在是便宜太多了
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02648.jpg
经过上次的除污之后，还有一个要更换的东西需要拆掉，就是Micro filter，这也是fuel injector的最后一道防线。老的过滤器使用的是10微米的滤网，新的是1um的。拆起来比较麻烦，需要找个合适大小的木螺丝，开出thread，用力拉出来。
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02651.jpg
对比新旧micro filter
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02652.jpg
全部更新完毕的injectors
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02653.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02649.jpg
这个就是安装好的新的micro filter
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02657.jpg
未完待续
----------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------
继续更新
清洁完毕后，把所有的injector被洗掉的油漆重新补回来。这次用的不是普通的油漆，是耐高温而不退色的特殊陶瓷油漆，这种油漆基本上在常温下是不会干掉的，必须经过400F的温度才能完全干透，所以是非常好的选择。另外再用热收缩的袋子装好，完全隔开了潮湿，这样就保证injector内部不会产生任何锈蚀。
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02757.jpg
在所有以上的步骤作好以后，就需要校准injector了。现在一般的校准仪器主要被ASNU所垄断，最便宜的也要超过$7000，所以我准备自己制造一台功能类似的校准设备。
这个就是校准设备最重要的控制电路，能模拟固定80%duty cycle，从500转开始，以1000转为步进，一直到11000转得injector工作情况。或者是固定6000转转速，模拟从10%至80%不同的duty cycle。可惜这次电路板有一点点做错了，固定转速，变化duty cycle的部分不能实现了。。。残念。。。
还没有测试，这个就是控制电路，下次要继续机械部分。。
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02742.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02752.jpg
未完待续
----------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------
继续更新
今天把整体框架做好了。用的是Lexan 1/4寸的塑料，整个架子一共才$25。只要在上面再安装6个量桶，加压汽油，还有一些控制电路就完工了。。。
另外今天晚上顺便把工具车也给改装了一下，装了电源和支架，嗯，家里只要是有轮子的东西一概是需要改装滴。。。
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02795.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02794.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02792.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02790.jpg
http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02789.jpg
\http://i293.photobucket.com/albums/mm80/ningshao/oil%20filter%20housing%20and%20injector/DSC02797.jpg
[ 本帖最后由 mianhuatang 于 2009-7-24 13:03 编辑 ] 本来以为是盐酸的,但后面看到是有机溶剂,就一定不是了! 我还没那么大的胆子在家里就开始折腾盐酸，毕竟腐蚀性太强，这个泡着的东西是oil filter housing，要求密封性非常好，如果被腐蚀了，密封性就不行了 呵呵,看起来是柴油....太专业,我不懂...:default264: 每次看棉花糖德贴都能学很多东西~~ 没错就是柴油，没有办法直接评20分，所以就评了10分，还给你转了10分。。 学理工的人就是严谨呀....连评分都是一丝不苟的! 原帖由 mianhuatang 于 2009-6-19 20:59 发表 http://bbs.bmwsky.com/images/common/back.gif
没错就是柴油，没有办法直接评20分，所以就评了10分，还给你转了10分。。
呵呵谢谢你了!我是看外观猜的,竟然猜中了...哈哈,无知者无畏啊...谢谢你的分....:default110: = = 太专业了 长见识:default273: 真党是高手啊
学习了
页:
[1]
2