| Patent Number |
Title Of Patent |
Date Issued |
| 5529090 |
Enhanced solid piston flow controller |
June 25, 1996 |
| A flow control valve (10) is provided including a valve body (20) and a piston (16). The valve body (20) has extending therethrough a longitudinal bore (18) defining a fluid passage (32). The piston (16) is slidably disposed within the bore (18) to vary the flow area of a fluid flow |
| 5383489 |
Flow control valve with enhanced flow control piston |
January 24, 1995 |
| A flow control valve (10) is provided including a valve body (20) and a piston (16). The valve body (20) has extending therethrough a longitudinal bore (18) defining a first flow passage (32). The piston (16) is slidably disposed within the bore (18) to vary the flow area of a fluid flow |
| 5265643 |
Constant flow rate control valve with low pressure drop start |
November 30, 1993 |
| A constant flow rate control valve (10) is provided including a cup member (12) disposed in a flow passage through the valve (10). The cup member has an orifice (18) located in an end wall (14) of the cup member (12) and a plurality of side ports (22) in a side wall (16) of the cup membe |
| 5174330 |
Constant flow rate control valve with low pressure drop start |
December 29, 1992 |
| A constant flow rate control valve (10) is provided including a cup member (12) disposed in a flow passage through the valve (10). The cup member has an orifice (18) located in an end wall (14) of the cup member (12) and a plurality of side ports (22) in a side wall (16) of the cup membe |