4-Way valve for separating of two liquid supply lines, especiall

Details 4-Way valve for separating of two liquid supply lines, especiall 4-Way valve for separating of two liquid supply lines, especiall

1975-09-24

1977-03-22

Nilson, Robert G.

Fluid handling

Systems

Multiple inlet with multiple outlet

137238, 13761411, F16K 1116

Patent

active

040130940

ABSTRACT:
A 4-way valve for selectively connecting two liquid supply lines separately to a container. The valve comprises a housing forming four chambers each provided with an inlet/outlet connection and each connected by means of connecting channels with two adjacent chambers. Each chamber is provided with a rotary slide displaceable between a first operating position in which the slide closes one of said connecting channels of the chamber and a second operating position in which the slide closes the other of said connecting channels of said chamber. The slides are operationally coupled to each other in such a way that in each operating position two connecting channels are closed at two ends and the other two connecting channels are open in order to obtain a double sealing of said closed connecting channels.

REFERENCES:
patent: 1073954 (1913-09-01), Burns
patent: 2607323 (1952-08-01), Kromhout
patent: 3934609 (1976-01-01), Haggqvist

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