Orion Machinery Co., Ltd.

Kazuyuki Nanaumi

Koji Baba

Masaru Aonuma

A filtration assembly particularly for filtering fluid media such as compressed air is formed with a housing defining a fluid inlet and a fluid outlet and with a filter unit arranged within said housing to have the fluid media to be filtered flow therethrough. The filter unit is formed of a plurality of interchangeable filter elements joined together to form the filter unit by connecting devices including a head cover and a bottom cover arranged between juxtaposed ends of adjacent filter elements to mount said filter elements together in fluid tight relationship. The head cover is formed of a recess into which the bottom cover extends with a sealing ring being arranged in said recess in fluid tight engagement between the head cover and the bottom cover.

Filter unit construction for a filtration assembly

A heat exchanger for cooling system compressed air dehumidifiers includes an inner body forming a dehumidifying passage provided with a cooler, an outer body surrounding the inner body and forming a precooling passage along the outer periphery of the inner body, an air supply port opened in the outer body through which compressed air is led into the precooling passage from one end thereof, a communicating hole opened in the inner body to guide the air led into the precooling passage out through its other end into the dehumidifying passage through one end thereof, and a plurality of heat transmitting pipes extending through the precooling passage in order to form an air-flow passage which guides the compressed air out of the other end of the dehumidifying passage to an air discharge port provided in the outer body. The heat of the compressed air in the air-flow passage which has been cooled and dehumidified in the dehumidifying passage and is flowing towards the air discharge port is exchanged with that of the compressed air of relatively high temperature in the precooling passage flowing from the air supply port towards the dehumidifying passage. In this manner, the heat exchanger simultaneously precools the compressed air to be dehumidified and heats already dehumidified compressed air. Further, by maintaining the outer body which forms the outer surface of the heat exchanger at a relatively high temperature dewdrops on the surface are prevented from forming.

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Susaka, Japan

Kazuyuki Nanaumi