Patent ID: 9702136
Date: 2017-07-11
CPC Classifications: B05B,B08B,E03F,F16K,Y10T

Claim:
1. A switching valve cartridge for use in a nozzle body having a central bore, the cartridge comprising: a generally tubular cartridge case having a front portion and a cup shaped rear portion, the front portion having a peripheral annular channel and a first plurality of axial bores therethrough for axial passage of fluid out of the front portion and a second plurality of bores therethrough for passage of fluid to the annular channel; a cylindrical poppet slidably disposed in the rear portion of the cartridge case, the poppet having a plurality of axially extending poppet bores therethrough; a biasing member within the rear portion of the cartridge case between the front portion and the poppet biasing the poppet away from the front portion of the cartridge case; and a guide member between the rear portion of the cartridge case and the poppet engaging a corresponding feature on the poppet to rotate the poppet as it slides forward and rearward within the rear portion of the cartridge case.