Filter assembly

H - Electricity – 01 – P

Patent

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Details

H01P 1/20 (2006.01) F25B 9/00 (2006.01) H01B 12/00 (2006.01) H01P 1/203 (2006.01) H01P 1/205 (2006.01) H01P 1/208 (2006.01) H01P 1/213 (2006.01) H01P 7/00 (2006.01) H04B 1/036 (2006.01) H04B 1/10 (2006.01) H04B 1/38 (2006.01)

Patent

CA 2485301

A filter element (28) having planar (48) or cavity (30) geometry having applied thereto a coating (38, 39, 50, 53) of temperature super conducting (HTS) material characterised in that said filter element (28) or said coating of HTS material is provided with a porous structure (49A) or has associated therewith a plurality of cooling passages (29, 40, 42, 55) for passage of refrigerant when said filter element (28) is connected to a refrigeration circuit. The invention also includes a refrigeration circuit having a compressor (18) connected to a heat exchanger assembly (19) located in an evacuated housing (20) wherein the heat exchanger assembly (19) comprises an influent line (22), a first heat exchanger unit (21) in communication with the influent line (22), a throttle valve (23) which is in communication with the filter (28), a second heat exchanger unit (25) in communication with the filter (28) and a return line (26) to the compressor (18).

Elément de filtration (28) présentant une géométrie plane (48) ou à cavité (30) sur laquelle est appliqué un revêtement (38, 39, 50, 53) d'un matériau supraconducteur de température (HTS). L'élément de filtration (28) ou le revêtement de matériau HTS se caractérisent par une structure poreuse (49A) ou par une pluralité de passages de refroidissement associés (29, 40, 42, 55) qui permettent la circulation du réfrigérant lorsque l'élément de filtration (28) est raccordé à un circuit de réfrigération. L'invention comprend également un circuit de réfrigération possédant un compresseur (18) raccordé à un ensemble échangeur de chaleur (19) placé dans un logement d'évacuation (20). L'ensemble échangeur de chaleur (19) comprend une conduite d'influent (22), un premier module d'échange thermique (21) en communication avec la conduite d'influent (22), un robinet d'étranglement (23) communiquant avec le filtre (28), un second module d'échange thermique (25) en communication avec le filtre (28) et une conduite de renvoi (26) vers le compresseur (18).

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