Valve construction for controlling a liquid supply to one or more discharge points
First Claim
1. A valve arrangement for controlling the water supply to at least one discharge line, comprising housing means having an inlet passage, at least one discharge passage spaced from said inlet passage and having a flow control chamber between and in communication with said inlet and discharge passages, a closure member movable in said control chamber having relatively fixed respective opposite spaced apart closing surfaces adjacent respective ends thereof, guide ring means in said control chamber for said closure member defining oppositely directed axially spaced seat surfaces, a tubular screen coaxial with and surrounding a portion of said closure member, an electromagnetic valve flow passage connected between said control chamber and said discharge passage, said closure member defining with the interior said flow control chamber, when the closing surfaces are not engaged on said seat surfaces;
- a flow passage from said inlet passage around one of said closing surfaces through said screen to said electromagnetic flow passage, a screw cap coaxial with said screen and said closure member and engaged with said housing and closing one end of said flow control chamber and holding said screen in said flow control chamber, and a set screw coaxially threaded to said screw cap and being adjustably engageable with said closure member.
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Accused Products
Abstract
A valve system for controlling the water supply to at least one discharge line comprises a housing having an inlet passage, with at least one discharge passage spaced from the inlet passage and with both passages connecting into a flow control chamber. A closure member is movable in the flow control chamber and it has respective opposite closing surfaces adjacent the respective ends thereof and it is guided in the housing control chamber by a guide ring. The guide ring has an annular seat surface at each end which are cooperable with the respective closing surfaces. A tubular screen is arranged coaxially with and surrounds a portion of the control member, and when the closure surfaces are moved off the valve seats, the flow from the inlet around a closure member and through the screen to an electromagnetic valve flow passage may be carried out. Flow through the electromagnetic valve flow passage is controlled by an electrically operated valve. The flow control chamber opens upwardly in the housing and it is closed by a threaded screw cap which in turn has a central threaded bore which receives a set screw. Both the screw cap and the set screw are coaxially arranged with respect to the tubular screen and the closure member and the set screw may be adjusted axially to bear against the closure member in an end position.
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Citations
9 Claims
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1. A valve arrangement for controlling the water supply to at least one discharge line, comprising housing means having an inlet passage, at least one discharge passage spaced from said inlet passage and having a flow control chamber between and in communication with said inlet and discharge passages, a closure member movable in said control chamber having relatively fixed respective opposite spaced apart closing surfaces adjacent respective ends thereof, guide ring means in said control chamber for said closure member defining oppositely directed axially spaced seat surfaces, a tubular screen coaxial with and surrounding a portion of said closure member, an electromagnetic valve flow passage connected between said control chamber and said discharge passage, said closure member defining with the interior said flow control chamber, when the closing surfaces are not engaged on said seat surfaces;
- a flow passage from said inlet passage around one of said closing surfaces through said screen to said electromagnetic flow passage, a screw cap coaxial with said screen and said closure member and engaged with said housing and closing one end of said flow control chamber and holding said screen in said flow control chamber, and a set screw coaxially threaded to said screw cap and being adjustably engageable with said closure member.
- View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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2. A valve arrangement for controlling the water supply to at least one discharge line, according to claim 10, wherein said discharge passage is connected to said housing at the side thereof which is opposite to said screw cap.
Specification