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U.S. Department of Energy
Office of Scientific and Technical Information

Fuel injector train with variable injection rate

Patent ·
OSTI ID:6539748

This patent describes a fuel injection train for injecting fuel at a reduced rate during a portion of a fuel injection cycle. It comprises: a fuel injector having a plunger and plunger biasing means having a predetermined spring rate for biasing the plunger to control the injection rate of the injector, a rocker arm for applying force to the plunger in response to force applied thereto, cam assembly means, and a elongate push rod means mounted between the cam assembly means and the rocker means. The cam assembly means operating to apply force to the push rod means to cause the push rod means to apply force to the rocker arm.

Assignee:
Cummins Engine Co., Inc., Columbus, IN (USA)
Patent Number(s):
US 4944275; A
Application Number:
PPN: US s 7-377319
OSTI ID:
6539748
Country of Publication:
United States
Language:
English

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