Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1986-05-07
1987-10-13
Nilson, Robert G.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
1376275, G05D 1606
Patent
active
046991670
ABSTRACT:
An electric valve is provided for control of a fluid between a fluid source 9, a user 10 and a fluid removal. A valve member 2 configured as hollow cylinder is axially adjustable in an input opening 8 connected continuously with a pressure medium and blocked against a pressure medium outlet opening 18 housing. Its one edge surrounds an opening connected with the outlet opening 18. Its second edge 31 works with a valve seat arranged axially parallel to an air removal opening 30 and surrounds a second valve seat in a flow passage 34. A setting member 3 cooperates with this valve seat which counters a return force. A central body 40a of valve member 2 is arranged in the flow passage 34 of valve member 2, which surrounds a central opening 100, of which the transverse section together with the transverse section of the flow passage 34 between the central body 40a and second edge 31 of the valve member 2 corresponds approximately to the transverse section of the flow passage 101 between setting member 3 and the outside wall of the flow passage.
REFERENCES:
patent: 3578024 (1971-05-01), Hill
patent: 4452269 (1984-06-01), Ott
patent: 4499921 (1985-02-01), Stoll
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