Method of manufacturing a receiver dryer

Details Method of manufacturing a receiver dryer Method of manufacturing a receiver dryer

1993-09-23

1994-12-27

Cuda, Irene

Metal working

Method of mechanical manufacture

Accumulator making

29890035, 62474, B23P 1500, F25B 4300

Patent

active

053753275

ABSTRACT:
A receiver dryer for an automobile air conditioning system embodies a cylindrical housing having a spin-closed top end; an inlet tube and an outlet tube inserted in holes drilled in the top end of the housing and both extending through the housing to their respective predetermined positions; and an axially inserted desiccant bag and thermoplastic perforate filter. The outlet tube extends through a hole in the filter to a predetermined position from the bottom end of the housing, and a retainer clip holds the filter at a set position in the housing while the bottom end of the housing is spin-closed. Spin closing the bottom end creates a thermal gradient in the wall of the housing such that the thermoplastic perforate filter is thermally bonded at its edge to irregularities of the inner surface of the housing thereby forming a barrier to any particulates which might otherwise have passed by the filter.

REFERENCES:
patent: 3545227 (1970-12-01), Grahl
patent: 4611750 (1986-09-01), Kish
patent: 4811571 (1989-03-01), Mayer
patent: 5038582 (1991-08-01), Takamatsu
patent: 5075967 (1991-12-01), Bottom
patent: 5179780 (1993-01-01), Winterstern

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