Fluid cylinder flow control

Details Fluid cylinder flow control Fluid cylinder flow control

1997-07-22

1999-07-06

Ryznic, John E.

Motors: expansible chamber type

With motive fluid valve

To provide unequal inlet and exhaust flow rates to single...

91463, 92143, F15B 1108, B01D 5302

Patent

active

059185287

ABSTRACT:
A fluid flow control for controlling the speed of a piston in a fluid power cylinder is disclosed in which the flow control is located within the confines of the cylinder and includes a rotatable disk having tearshaped slots for communication of the exhaust fluid through the disk and out of the cylinder through discharge ports. Rotation of the disk to selectively position greater or lesser width portions of the tearshaped slot relative to an exhaust discharge opening in the cylinder permits selective, variable adjustment and throttling of the exhaust fluid to control the speed of movement of the piston in the cylinder.

REFERENCES:
patent: 2318721 (1943-05-01), Siver
patent: 3602103 (1971-08-01), Powers
patent: 4377183 (1983-03-01), Johansson et al.

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