Manifold solenoid valve driven by serial signals

Details Manifold solenoid valve driven by serial signals Manifold solenoid valve driven by serial signals

2000-03-10

2000-12-26

Fox, John

Fluid handling

Systems

With flow control means for branched passages

137269, F16K 3104

Patent

active

061643351

ABSTRACT:
In a manifold solenoid valve drive-controlled by serial signals, a solenoid valve itself is provided with a function for receiving serial signals for single valves or double valves so as to simplify assembly and replacement of the manifold solenoid valve. For this purpose, in order to transmit serial signals to solenoid valves through manifold blocks 30 on which solenoid valves 20 are mounted and which are connected, each manifold block 30 is provided with female/male connecting terminals 46a and 46b for transmitting serial signals and a connector 49 for transmitting drive control serial signals to the solenoid valves 20 and supplying drive power for switching a main valve 22. A connector 25 for transmitting and receiving power that is connected to the connector 49 when the solenoid valve 20 is mounted is provided at a position matched to the connector 49 of the manifold block. The solenoid valve 20 is provided with a slave chip 28 that extracts operation signals for solenoid valves from serial signals received through the connectors.

REFERENCES:
patent: 5458048 (1995-10-01), Hohner
patent: 5699830 (1997-12-01), Hayashi et al.
patent: 5887623 (1999-03-01), Nagai et al.
patent: 5915666 (1999-06-01), Hayashi et al.
patent: 5918629 (1999-07-01), Hayashi et al.

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