Fluid handling – Systems – Sequentially closing and opening alternately seating flow...
Patent
1986-01-16
1987-04-07
Nilson, Robert G.
Fluid handling
Systems
Sequentially closing and opening alternately seating flow...
13759617, F16K 1110
Patent
active
046552553
ABSTRACT:
The invention relates to an electromagnetically-operated multi-way valve, which exhibits two valves (an inlet and an outlet) opposite one another. Corresponding to each of the two valves, there is an armature which interacts with a coil, located between the two valves. A coil bracket, disposed through the coil, has a passageway which, upon certain valve conditions, allows communication from the inlet valve to the outlet valve. One of the two valves can be activated against the force of a first spring by the first armature, and the other of the two valves can be activated against the force of a second spring by the second armature. The two springs are designed so that different magnetic forces are required to operate the two valves. The different magnetic forces are produced by a change of the current flowing in the coil. Since there is a separate armature for each valve, which can be operated by one current-controlled coil, it is possible to operate the two valves independent of one another.
REFERENCES:
patent: 2935091 (1960-05-01), Wisman
patent: 3842860 (1974-10-01), Stampfli
patent: 3989063 (1976-11-01), Brouwers
patent: 4559971 (1985-12-01), Bradshaw
patent: 4580598 (1986-04-01), Itoh
Hawranko G. E.
Nilson Robert G.
Wabco Westinghouse Fahrzeugbremsen GmbH
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