Dual valve assembly

作者: Robert J. LeFevre

DOI:

关键词: Valve guideNeedle valveGlobe valveMechanical engineeringSafety shutoff valveButterfly valveStructural engineeringGeologyBall valvePlug valveAngle seat piston valve

摘要: A dual valve assembly for intravenous infusions from multiple parenteral fluid sources, the controlling both forward and reverse flow through a line includes normally seated first second valves mounted movement toward away respective seats to control in direction, one of said being opened response opening other including seat movable into closing relationship on its thus prevent assembly.

参考文章(5)
Olin B King, Lonnie S Mcmillian, Arthur H Hutchison, Oscar L Pierce, Fluid flow control means ,(1971)
Robert E. Thomas, Robert J. LeFevre, George K. Burke, James W. Turner, Peter L. Krohn, Electronically controlled intravenous infusion set ,(1975)
Armand Al Zeddies, Andrew John Muettertis, Parenteral apparatus with one-way valve ,(1975)