Intensified fuel injector having a lateral drain passage
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United States of America Patent
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-
Jul 11, 2000
Grant Date -
N/A
app pub date -
May 14, 1998
filing date -
May 14, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An intensified fuel injector which has at least one lateral or side drain passage. The fuel injector may include a valve body which has longitudinal axis. The valve body may have a fuel chamber that is hydraulically coupled to a fuel supply port and at least one nozzle opening. An intensifier moves within the fuel chamber. The intensifier is hydraulically coupled to an intensifier chamber and also connected to a biasing spring. The spring is located within a spring chamber that is hydraulically coupled to the drain passage. The drain passage may extend through the valve body in a direction that is substantially perpendicular to the longitudinal axis of the body. The orientation and position drain passage minimizes the diameter or cross-sectional area of the fuel injector by eliminating a longitudinal passage typically found in fuel injectors of the prior art.
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