초록 ▼

Disclosed is a standing valve containing a ball, in which during operation, the ball is moved by ball guides to a position off center and yet not impinged against the valve, and in which unequal fluid flow areas are created around the horizontal circumference of the ball. Further disclosed are pumps

Disclosed is a standing valve containing a ball, in which during operation, the ball is moved by ball guides to a position off center and yet not impinged against the valve, and in which unequal fluid flow areas are created around the horizontal circumference of the ball. Further disclosed are pumps utilizing such a standing valve.

대표청구항 ▼

[ I claim:] [1.] A standing valve comprising:(a) a hollow tubular member having an interior wall defining an internal cross-sectional area, and having a vertical center line;(b) a valve seat mounted within the tubular member, having a seating passage with a seating cross-sectional area;(c) a ball po

[ I claim:] [1.] A standing valve comprising:(a) a hollow tubular member having an interior wall defining an internal cross-sectional area, and having a vertical center line;(b) a valve seat mounted within the tubular member, having a seating passage with a seating cross-sectional area;(c) a ball positioned within the tubular member above the valve seat;(d) at least one first ball guide radially extending within the hollow tubular member which guides the ball to a position such that the ball is not centered on the center line, and such that unequal liquid flow areas are created around the horizontal circumference of the ball;(e) at least one second ball guide radially extending within the hollow tubular member, wherein the second ball guide is positioned to operate with the first ball guide to prevent the ball from impinging upon the hollow tubular member.wherein the standing valve is closed by the ball being seated on the valve seat, and opened by an increase in pressure from below or a vacuum from above unseating the ball from the valve seat.