Refrigeration – Refrigeration producer – With refrigerant treater
Reexamination Certificate
2000-01-19
2001-03-27
McDermott, Corrine (Department: 3744)
Refrigeration
Refrigeration producer
With refrigerant treater
C062S503000, C096S147000
Reexamination Certificate
active
06205809
ABSTRACT:
CROSS-REFERENCE TO RELATED APPLICATIONS
Not Applicable
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not Applicable
BACKGROUND OF THE INVENTION
The present invention relates to an adsorbent unit for use in a refrigerant accumulator of an air conditioning system which contains a U-shaped return bend pipe.
By way of background, an adsorbent unit is utilized in a refrigerant accumulator for the purpose of adsorbing moisture in the refrigerant. Insofar as known, in the past, when a single adsorbent unit was utilized in a refrigerant accumulator having a U-shaped return bend pipe, the bag itself was usually not partially secured relative to the spaced pipes by means of concave indentations in the fabric portion thereof.
BRIEF SUMMARY OF THE INVENTION
It is one object of the present invention to provide an improved single container adsorbent unit for a U-bend pipe of a refrigerant accumulator in which the mounting structure includes a fabric portion having concave indentations which secure the adsorbent unit relative to the U-bend pipe. Other objects and attendant advantages of the present invention will readily be perceived hereafter.
The present invention relates to an adsorbent unit comprising a single porous adsorbent container, adsorbent in said container, at least one tab extending outwardly from said container, side edges on said tab, and concave indentations in said side edges.
The present invention also relates to a refrigerant accumulator having a housing with a bottom wall and a side wall and a U-shaped pipe with a return bend adjacent said bottom wall and with first and second pipe portions extending from said return bend within said housing, the improvement comprising a single porous adsorbent container, a tab on said container, an outer end on said tab remote from said container, side edges on said tab, and concave indentations in said side edges between said container and said outer end of said tab receiving said first and second pipe portions adjacent said return bend.
The various aspects of the present invention will be more fully understood when the following portions of the specification are read in conjunction with the accompanying drawings wherein:
REFERENCES:
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patent: 4405347 (1983-09-01), Cullen et al.
patent: 4464261 (1984-08-01), Cullen et al.
patent: 4619673 (1986-10-01), Cullen et al.
patent: 5636525 (1997-06-01), Riemenschneider
patent: 5802868 (1998-09-01), Riemenschneider
patent: 5987915 (1999-11-01), Incorvia et al.
patent: 5996371 (1999-12-01), Riemenschneider
Incorvia Samuel A.
Semler John R.
Gastel Joseph P.
Jiang Chen-Wen
McDermott Corrine
Multisorb Technologies, Inc.
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