Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1992-07-27
1993-06-08
Michalsky, Gerald A.
Fluid handling
Systems
Flow path with serial valves and/or closures
1376253, 13762531, 251208, F16K 300
Patent
active
052170462
ABSTRACT:
A top entry flow control valve having a body with an inlet port, an outlet port and an access opening. The body has a cavity connected with the access opening and communicating with the inlet port and outlet port to allow fluid flow through the valve body. A pair of discs with orifices are positioned within the cavity to control flow into the outlet port by rotating one of the discs to change the degree of alignment between the disc orifices. A sleeve and rotatable cylinder are located within the cavity to control flow from the inlet port. The sleeve has a bore which receives the cylinder and a side wall with orifices extending into the bore. The cylinder has an open end which extends into the cylinder to form a chamber and a side wall with orifices penetrating into the chamber. The open end of the cylinder is attached to the rotatable disc. By rotating the cylinder, the alignment of the sleeve orifices with the cylinder orifices is changed to control flow from the inlet port into the chamber. A cover is removably attached over the access opening and secures the sleeve, cylinder and discs in the cavity. A valve stem extends from the cylinder through the cover to allow turning the cylinder and rotatable disc without removing the cover. A hub is attached to the valve stem and has an indicator band to show the flow position of the valve.
REFERENCES:
patent: 3792872 (1974-02-01), Jones
patent: 4098294 (1978-07-01), Woods
patent: 4331176 (1982-05-01), Parkison
patent: 4603834 (1986-08-01), Hendrick
patent: 4901977 (1990-02-01), Hendrick
patent: 4967787 (1990-11-01), Taylor
patent: 5020568 (1991-06-01), Taylor
patent: 5025832 (1991-06-01), Taylor
patent: 5025833 (1991-06-01), Hendrick
patent: 5054521 (1991-10-01), Hendrick
patent: 5063954 (1991-11-01), Hendrick
patent: 5088689 (1992-02-01), Hendricks
Baker Hughes Incorporated
Michalsky Gerald A.
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