Fuel rail damper

申请公布号：US6032651(A)

申请号：US19980086084

申请日期：1998.05.28

申请公布日期：2000.03.07

申请人：

SIEMENS AUTOMOTIVE CORPORATION

发明人：FIELD, JEFF

分类号：F02M37/00;F02M55/00;F02M55/04;F02M69/46;F16L55/04;F17D1/20;(IPC1-7):F02M41/00

主分类号：F02M37/00

摘要：A fuel system damper for damping fuel pressure pulsations in a fuel rail includes a solid, flexible diaphragm which separates an upper chamber from a lower chamber. The upper chamber is sealed and contains a spring which is biased against the diaphragm. The lower chamber has an outlet to permit fuel to communicate with the diaphragm. The upper flange of the lower chamber extends inward at an angle to form a radial shoulder, and the diaphragm rests against and is supported by the shoulder. An attachment clip is fixedly attached between the upper and lower chambers and is positioned to securely engage the damper to a fuel injector cup.

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