Water filter with strainer scraping means

A water filter having a strainer mounted on the inside for straining water, and a reciprocating device controlled by a pressure differential controller to reciprocate a disk-like scraper in the strainer, causing it to scrape out dirt from the strainer, the disk-like scraper having a center water hole and a check valve mounted in the center water hole for permitting water to flow downwards in the strainer through the center water hole and stopping water from flowing upwards in the strainer through the center water hole.

Water filter

The present invention concerns a water filter designed to be inserted into a drinking water circuit. The water filter has a support designed to house removably one or more different filters each having a different filtering property and adapted to be mounted either independently of each other or associated in a particular combination so as to effect a filtration of the drinking water according to its composition.

Water filter with hydraulically displaceable filter unit

A water filter including a filter unit utilizing bag filters and including a hydraulic jack for displacing the bag filters between a lower operative position and an elevated position where the bags are readily accessible the jack preferably in the form of a pair of relatively extensible tubular telescopic members in a flow path between a pump delivery connection and the inlet to the filter bags with one of the members providing a flow communication from the member to the filter outlet. The filter also includes inlet means to the filter bag directing flow to wash the interior surface of the bags.

Water filter for use with a faucet

A water filter cartridge for use with a water faucet includes a cover and a filter element located within the cover. The cover has a single unfiltered water input connection and a pair of water output connections, one for filtered water and one for unfiltered water. There is a conduit within the cover connecting the unfiltered water input connection and the unfiltered water output connection. There is a flow path within the cover from said unfiltered water input connection, through said filter element, and connecting to said filtered water output connection.