Fluid control valve

Details Fluid control valve Fluid control valve

2007-09-11

2007-09-11

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

C428S408000

Reexamination Certificate

active

11356186

ABSTRACT:
A fluid control valve has: a housing in which a fluid passage is formed; a valve seat in which a fluid flow hole is formed to be communicated with the fluid passage; and a valve that is formed from rubber elastic body. At least a part of the housing is formed from resin. The valve has a valve seal portion and is installed in the housing to be able to close the fluid flow hole. In a valve-closing time, the valve seal portion is seated on the valve seat. The valve seal portion is coated by a thin diamond-like carbon coating having hardness between Hv 50 and Hv 500 in Vickers hardness.

REFERENCES:
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patent: 6893720 (2005-05-01), Nakahigashi et al.
patent: 7134381 (2006-11-01), Ueno et al.
patent: 7146956 (2006-12-01), Nomura et al.
patent: 10-130428 (1998-05-01), None

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