Patent ID: 9737834
Date: 2017-08-22
CPC Classifications: B01D,C02F,F25D

Claim:
1. A water filter cartridge for operatively engaging a water filter head assembly, the head assembly comprising one or more valves, for the control of water passing through the head assembly, the head assembly having an inlet cam follower extending into an inlet port to actuate an inlet valve in fluid communication with the inlet port, the head assembly having an outlet cam follower extending into an outlet port to actuate an outlet valve in fluid communication with the outlet port, and having a bypass valve with a bypass cam follower configured to control water flow to the inlet and outlet ports, the cartridge comprising: an end piece, the end piece comprising: a cartridge housing having a first end, a closed second end, and a longitudinal axis extending therebetween substantially parallel to the longitudinal axis of the inlet tube, wherein the end piece wall is connected to the first end of the cartridge housing, and wherein a portion of the inlet cam surface of the inlet nozzle is inclined relative to the longitudinal axis of the inlet tube at an angle of about 2° to about 26° to engage the inlet cam follower when the inlet nozzle is inserted into the inlet port during use, and wherein a portion of the outlet cam surface of the outlet nozzle is inclined relative to the longitudinal axis of the outlet tube at an angle of about 2° to about 26° to engage the outlet cam follower when the outlet nozzle is inserted into the outlet port during use.