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ABB涡轮增压系统有限公司的TVR··4E系列高效涡轮增压器是80年代末开发的新一代产品,它包括三种型号,即454E、564E和714E。据该公司1992年7月29日发布的用户通报声称,在取得实际应用经验的基础上,厂家决定对该系列涡轮增压器进行改进。通报中指出;凡1992年3月以后销售的该系列产品,将按下述5点改进设计后的产品提供;而1992年3月之前售出的该系列产品,厂家可在1992年年底前根据这5点改进设计进行修改。这5点设计改进具体包括(参见图1～图4): 1.压气机进气壳尺寸改动约5mm,以加大
ABB Turbocharging System Co., Ltd. TVR · · 4E series of high-efficiency turbocharger is the late 1980s developed a new generation of products, which includes three models, namely 454E, 564E and 714E. According to the company announced on July 29, 1992, the user notification claimed that based on the actual application experience, the manufacturer decided to make improvements to the turbocharger series. The circular pointed out that where after March 1992 the sale of the series of products, will be based on the following five points to improve the design of the product; and in March 1992 before the sale of the series of products, manufacturers can by the end of 1992 based on This 5:00 to improve the design to be modified. This 5:00 design improvement specifically includes (see Figure 1 to Figure 4): 1. Compressor inlet shell size changes about 5mm, to increase