Fuel injection valve having internal pipe

Details Fuel injection valve having internal pipe Fuel injection valve having internal pipe

2006-06-13

2006-06-13

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C310S015000, C239S585100

Reexamination Certificate

active

07061144

ABSTRACT:
A pipe member of a fuel injection valve includes a magnetic pipe and a non-magnetic pipe in this order from the side of a jet nozzle plate. The non-magnetic pipe extends to the end of the fuel injection valve10opposed to the jet nozzle plate, and the non-magnetic pipe is formed with a fuel inlet. The non-magnetic pipe has the thickness of not less than 0.2 mm but not more than 1.0 mm. An end of the non-magnetic pipe on the side of the magnetic pipe is positioned on the side of a moving core relative to a facing portion of a fixed core that faces to the moving core, and on the side of the fixed core relative to a second end of a yoke connected to the magnetic pipe. The non-magnetic pipe covers the outer periphery of a gap defined between the moving core and the fixed core.

REFERENCES:
patent: 4946107 (1990-08-01), Hunt
patent: 5769391 (1998-06-01), Noller et al.
patent: 6216665 (2001-04-01), Okamoto et al.
patent: 6341592 (2002-01-01), Okamoto et al.
patent: 2002/0088880 (2002-07-01), Okamoto et al.
patent: 2005/0098665 (2005-05-01), Fukutomi

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