Patent ID: 8833396
Filing Date: 2014-09-16
Classification: F15B,F16K,Y10T

Abstract:
1. A multiple electromagnetic valve comprising: a main valve portion in which four or more valve holes are formed parallel to each other inside a valve body, and a spool for switching flow paths is placed in each valve hole, and in which a plurality of output ports communicating individually with each valve hole is provided; and a pilot operating portion having solenoid-operated pilot valves that drive the spools with pilot fluid, wherein the valve holes are divided into one upper tier and one lower tier and disposed inside the valve body, a plurality of valve holes belongs in each of the upper tier and lower tier, the valve holes in the upper tier and the valve holes in the lower tier occupy different positions in the width direction of the valve body, and the valve holes in the upper tier and the valve holes in the lower tier partially overlap each other in the plan view of the valve body, and wherein the plurality of output ports are formed in a port forming surface of the upper surface of the valve body parallel to an axis of the valve holes, the output ports of any two adjacent valve holes occupy different positions in the direction of the axes of the valve holes, and both when the output ports are viewed from the direction of the side of the valve body and when the output ports are viewed from the direction of the axes of the valve holes, any two adjacent output ports partly overlap each other.