Fluid valve assembly

Details Fluid valve assembly Fluid valve assembly

2006-02-14

2006-02-14

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C123S568210

Reexamination Certificate

active

06997169

ABSTRACT:
To protect a drive unit in a fluid valve assembly from impurities over a long term by preventing entrance of such impurities to the drive unit, a seal structure the sealing performance of which is hardly reduced is adopted around a moving part of the fluid valve assembly. The fluid valve assembly is provided with a valve member displaceably arranged in a flow passage through which a fluid is allowed to pass, a drive unit arranged outside the flow passage, a connecting member extending through a bore formed in a wall of the flow passage and connected at its end thereof to the valve member and at its opposite end to the drive unit, and a seal member arranged in gas- or water-tight relations with the wall of the flow passage and the connecting member and made of a flexible material such that the seal member does not interfere with a displacement of the valve member when the valve member is driven by the drive unit.

REFERENCES:
patent: 5599003 (1997-02-01), Seemann et al.
patent: 5937835 (1999-08-01), Turner et al.
patent: 6178956 (2001-01-01), Steinmann et al.
patent: 59-215956 (1984-12-01), None
patent: 5-187328 (1993-07-01), None

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