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44results about How to "Enhance durability" patented technology

Connector

A connector includes a first housing, a second housing and a detection member. A lock band portion is elastically deformable and is provided on the first housing. A lock portion is provided on the second housing, and bends the lock band portion to allow the lock band portion to slide over the lock portion when the first and second housings are moved from a first condition to a second condition, the first condition where the first housing is not fitted to the second housing, and the second condition where the first housing is fitted to the second housing, and engages the lock band portion when the first and second housings has been moved to the second position. The detection member is disposed on an upper side of the lock band portion, and is displaced together with the lock band portion in accordance with a deforming movement of the lock band portion. A movement limitation portion is provided on the detection member, and abuts against an abutment limitation portion provided on the first housing while the first and second housings are moved from the first condition to the second condition, so that the detection member is prevented from movement in the attaching direction. When the lock portion engages the lock band portion in the second condition, an abutment of the movement limitation portion against the abutment limitation portion is canceled, so that the detection member is allowed to be moved in the attaching direction.
Owner:YAZAKI CORP

Spiral wound reverse osmosis membrane element

The present invention relates to a spiral wound reverse osmosis membrane element which is formed by winding at least one set of water purification membrane module around a central treated water pipe, and each set of the water purification membrane module is formed by laminating a mesh-like treated water flow guiding member, a reverse osmosis membrane and a mesh-like feed water flow guiding member; the reverse osmosis membrane is folded at a folded side to form a feed water flow channel therein along its inner surface; a treated water flow channel is formed between outer surfaces of adjacent reverse osmosis membranes; the mesh-like feed water flow guiding member is disposed inside the feed water flow channel; the mesh-like treated water flow guiding channel is disposed inside the treated water flow channel; the treated water flow channel is opened only at a treated water outlet which opens towards the central treated water tube, and the treated water flow channel is closed and sealed at remaining three sides; the feed water flow channel is closed and sealed at areas remote from the central treated water tube at two sides adjacent to the folded side, so that the feed water flow channel forms small sections of raw water inlets respectively at areas closer to the central treated water tube at the two sides, and a concentrate outlet is formed at the feed water flow channel at a side opposite to the folded side. The improved reverse osmosis membrane element of the present invention increases the water flow velocity along the membrane surface and therefore reduces concentration polarization and slows down the speed of contamination of the spiral wound type membrane element, and thereby enhancing the durability of the membrane element.
Owner:A O SMITH (CHINA) ENVIRONMENTAL PRODUCTS CO LTD
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