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Patent Searching and Data


Title:
COMPOSITE SWITCHING VALVE
Document Type and Number:
Japanese Patent JPH08247320
Kind Code:
A
Abstract:

PURPOSE: To provide a function changeable composite switching valve wherein two switching valve mechanisms are incorporated in a valve body, so that these mechanisms are selectively used in such manner that they function either as two independent switching valve mechanisms or as one cooperative ones.

CONSTITUTION: A composite switching valve consists of main valve body 5 having two switching valve mechanisms 7a and 7b both assembled in a valve body 10, and an output port block 6 detachably mounted on the mounting surface 16 of the main valve body 5. The main valve body 5 comprises a return pressure chamber 21, respective output through holes A and B, and a pilot supply through hole 28, wherein all of them have openings on the mounting surface respectively. The port block 6 for output comprises at least two output ports AP and BP, output through holes A and B, and flow passages 20a, 20b, and 34 wherein the pilot supply through hole 28 is communicated to the output ports AP and BP, and the return pressure chamber 21.


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Inventors:
HAYASHI FUMIYA
ASO YOSHIO
ISHIKAWA MAKOTO
Application Number:
JP7452995A
Publication Date:
September 27, 1996
Filing Date:
March 07, 1995
Export Citation:
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Assignee:
SMC CORP
International Classes:
F16K27/00; F16K31/122; (IPC1-7): F16K27/00; F16K31/122
Attorney, Agent or Firm:
Hiroshi Hayashi (1 person outside)