Fluid handling – Systems – Multi-way valve unit
Patent
1995-11-15
1998-09-22
Rivell, John
Fluid handling
Systems
Multi-way valve unit
13762521, F16K 11074
Patent
active
058100490
ABSTRACT:
A rotary coupling for communicating a pneumatic signal from a stationary pneumatic source to an apparatus. The rotary coupling has a housing and a rotating portion that rotates with respect thereto. The housing has at least two inlets in fluid communication with the pneumatic source. The rotating portion has at least two outlets in fluid communication with the apparatus. Inlet and outlet pairs are aligned radially relative to an axis of rotation of the rotating portion so that they are in fluid communication when the rotating portion is at an angular orientation at which the inlet and outlet pair are coincident. More than one inlet may be paired with an outlet, and vice versa. Channels can be formed to allow the inlet and outlet pairs to be in fluid communication when they are not coincident. Inlets and outlets can also be radially spaced different distances from the axis of rotation such that fluid communication between these inlets and outlets are blocked at all angular orientations of the rotating portion.
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Raque Glen F.
Sample Sherley W.
Raque Food Systems Inc.
Rivell John
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