Patent ID: 11951425
Assignee: A. O. SMITH WATER TREATMENT (NORTH AMERICA), INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 5:
6. A filter assembly for use with a filter housing having a filter chamber, the filter housing having a connection portion with an inner side and an outer side, the outer side configured to face away from the filter chamber, the outer side having a filter inlet and a filter outlet, and a filter valve coupled to at least one of the filter inlet and the filter outlet, the filter valve biased toward a closed configuration in which fluid communication is substantially prevented through the filter valve, where the filter valve includes a valve body having a bore and a plunger, the valve body being fixed relative to the housing, the filter assembly comprising:
a filter configured to be disposed in the filter chamber; and
a filter cap engagable with the filter and configured to be positioned between the plunger of the filter valve and the filter to maintain the filter valve in an open position such that fluid communication is permitted through the filter valve between the filter chamber and at least one of the filter inlet and the filter outlet, the filter cap comprising:
an outer side including an outer projection including an engagement portion configured to engage the connection portion to move the filter valve into the open position,
an inner side configured to receive the filter and including an inner projection, and
a passageway extending through the outer projection and the inner projection to permit water to flow between the inner side and the outer side, the passageway having an outer passageway portion formed in the outer projection and an inner passageway portion formed in the inner projection, the outer passageway portion including a first transverse dimension adapted to receive the plunger and a second transverse dimension that is smaller than and inward of the first transverse dimension and adapted to receive the valve body.