Combined fuel injection pump and nozzle

Details Combined fuel injection pump and nozzle Combined fuel injection pump and nozzle

1994-07-18

1997-05-20

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

With fuel pump

123509, 417417, F02M 3704, F04B 1704

Patent

active

056304013

ABSTRACT:
An internal combustion engine including an engine block including a cylinder head defining a combustion chamber and having therein an opening communicating with the combustion chamber, and a combined fuel injection pump and nozzle including a housing fixed to the cylinder head and defining a high reluctance gap and a low pressure fuel chamber having an axis, a tubular member extending in the housing into the low pressure fuel chamber in coaxial relation to the axis, having therein an axial bore communicating with the low pressure fuel chamber, and at least partially defining a high pressure fuel chamber, and a nozzle assembly fixed to the housing, extending into the opening, communicating with the combustion chamber and with the axial bore, and including a valve member moveable to an open position in response to a fuel pressure in the high pressure fuel chamber above a predetermined level.

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