Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2006-10-24
2006-10-24
Gimie, Mahmoud (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C123S511000
Reexamination Certificate
active
07124739
ABSTRACT:
A fuel pressure adjusting apparatus which includes a casing which includes a fuel introduction port, and a fuel discharge port; and a cylindrical member which is housed in the casing, and which includes a valve seat at an end portion thereof, and a communication passage therein, the communication passage connecting the fuel introduction port to the fuel discharge port; a valve element which is provided on a fuel discharge port-side of the valve element in the casing, and which closes the communication passage when the valve element is seated on the valve seat; and a leaf spring which is provided at the fuel discharge port, and which applies force to the valve element in a direction toward the valve seat. The leaf spring includes a concave portion which supports the valve element, and which is formed such that there is a gap between the concave portion and the valve element.
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Arai Katsumi
Endoh Tadao
Konishi Masaaki
Denso Corporation
Gimie Mahmoud
Kyosan Denki Co. Ltd.
Oliff & Berridg,e PLC
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