Internal-combustion engines – Charge forming device – With fuel pump
Reexamination Certificate
2006-12-26
2006-12-26
Miller, Carl S. (Department: 3747)
Internal-combustion engines
Charge forming device
With fuel pump
C123S179170
Reexamination Certificate
active
07152585
ABSTRACT:
A fuel injection pump comprises: a barrel formed with a main port39and a sub port36a; a plunger32; and a CSD30including an injection-advancing actuator38which operates a piston35for opening or closing sub port36aso as to change an injection timing. Plunger32is moved to connect or separate sub port36aand main port39to and from a fuel compression chamber17. The barrel is further formed with at least one exclusive overflowing sub port36bconstantly opened regardless of the operational state of the piston35.
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International Search Report for International Application No. PCT/JP2004/006221, Japanese Patent Office, mailed Jul. 6, 2004.
Miller Carl S.
Sterne Kessler Goldstein & Fox P.L.L.C.
Yanmar Co. Ltd.
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