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Class Information
Number: 137/119.02
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural outflows > Alternately or successively substituted outflow > Four port reversing valve
Description: Subject matter including a four way valve having an inlet port, an outlet port and two intermediate ports, the valve being selectively movable into two positions, in one position the inlet port being connected to the first intermediate port and the second intermediate port being connected to the outlet port, and in the other position the inlet port being connected to the second intermediate port and the first intermediate port being connected to the outlet port.

Patents under this class:

Patent Number Title Of Patent Date Issued
8443827 Controlling device for hydraulic consumers May. 21, 2013
6895988 Self-actuating control valve for a bed pad or seat pad May. 24, 2005
4344212 Valve and a wire cutting, skinning and wrapping tool employing the valve Aug. 17, 1982
4244391 Pneumatic program register and corresponding module Jan. 13, 1981
4205700 Control circuit for pneumatic phase Jun. 3, 1980
4181141 Pneumatic circuit arrangement Jan. 1, 1980
4112962 Integrated pneumatic logic module Sep. 12, 1978

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