Patent ID: 6449978
Filing Date: 2002-09-17
Classification: F25B

Abstract:
An air-conditioning refrigerant receiver comprising a contained assembly comprised of an upper filter, a desiccant and a lower filter, which are laminated one on another, said contained assembly being sandwiched between upper and lower covers and fixed within a casing, said casing having a refrigerant supply passage and a refrigerant discharge passage provided therein, said refrigerant supply passage leading to an upper space defined within said casing above said upper cover, and said refrigerant discharge passage leading to a lower space defined within said casing below said lower cover, an annular clearance being defined between an outer periphery of said lower cover and an inner periphery of said casing for guiding a refrigerant, which has passed through said contained assembly downwards from above, into said lower space, wherein said refrigerant receiver further includes a cylindrical guide tube, which extends downwards to define an annular passage connected to said annular clearance between said guide tube and an inner surface of said casing, said cylindrical guide tube being connected at an upper end thereof to an outer periphery of said lower cover, wherein the refrigerant having passed through said annular clearance is caused to flow downwards along the inner surface of the casing quietly.