Valves and valve actuation – Electrically actuated valve – Including solenoid
Patent
1993-02-08
1994-01-11
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Including solenoid
25112921, 2395851, 2395854, F16K 3106
Patent
active
052774007
ABSTRACT:
A high-performance valve for the application in dot or line form of hot or cold fluid product is electromagnetically actuable and comprises a statonary piston member and a movable valve piston which bears against a valve scat to close the valve opening under the force of a biasing spring supported against the stationary piston member. The product is first fed into an annular chamber around a portion of the piston member and then flows through flow openings formed by recesses in the piston member. The recesses are arranged eccentrically and open to the outside periphery of the piston member and extend as far as the end thereof which is towards the valve piston. The valve piston is in the form of a sleeve member with a bottom portion which is towards the valve seat. The wall of the sleeve member has slots which extend inwardly therethrough and which terminate in an outward direction in the region of the bottom portion of the sleeve member where they communicate with a further annular chamber in the region of the valve seat. From the recesses in the stationary piston member the product to be applied then flows through the slots into the further annular chamber, to be discharged from the valve through an applicator nozzle.
REFERENCES:
patent: 4932439 (1990-06-01), McAuliffe, Jr.
patent: 4984744 (1991-01-01), Babitzka et al.
patent: 5085402 (1992-02-01), O'Dell
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