Pressure fluid control valve device

Details Pressure fluid control valve device Pressure fluid control valve device

1994-09-19

1995-06-27

Hepperle, Stephen M.

Fluid handling

Systems

Plural noncommunicating flow paths

137862, F16K 11052

Patent

active

054271410

ABSTRACT:
In a pressure fluid control valve device, the fluid exhausted from an internal combustion engine flows through a pair of paths selectively or simultaneously. Each of the paths is opened and closed by a butterfly valve fixed to a valve shaft. A coupling for connecting the valve shafts across the paths comprises a slitting recess and a projection provided at the opposing ends of the valve shafts respectively. The direction of the surface of the recess and the projection is set to within 30 degrees with respect to the direction of the surface of the valve disc fixed to the valve shaft having the recess. Thus, the corner of the recess is not engaged with the bearing surface which is loaded, thereby making axial length for connecting the valve shafts to zero to manufacture the light and compact device.

REFERENCES:
patent: 3897524 (1975-07-01), Freismuth et al.
patent: 4512372 (1985-04-01), Lew et al.
patent: 5084031 (1992-01-01), Todd et al.
patent: 5269347 (1993-12-01), Beasley

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