Gas separation: apparatus – Solid sorbent apparatus – Plural solid sorbent beds
Reexamination Certificate
2000-10-19
2001-10-30
Spitzer, Robert H. (Department: 1724)
Gas separation: apparatus
Solid sorbent apparatus
Plural solid sorbent beds
C096S135000, C096S137000, C096S147000, C096S149000, C096S151000, C055S513000, C055SDIG001, C210S282000
Reexamination Certificate
active
06309450
ABSTRACT:
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not Applicable
BACKGROUND OF THE INVENTION
The present invention relates to an improved flow-through adsorbent unit assembly for mounting in a receiver dryer of an automotive air conditioning system.
By way of background, adsorbent units are placed in receiver dryers of automotive air conditioning systems for the purpose of adsorbing moisture from the refrigerant. It is desirable that the adsorbent units occupy the entire cross sectional refrigerant path through the receiver dryer so as to insure complete contact between the refrigerant and the adsorbent for best moisture adsorption.
BRIEF SUMMARY OF THE INVENTION
It is one object of the present invention to provide an adsorbent unit assembly which can be mounted in a receiver dryer in a simple and efficient manner and which will provide a substantially complete cross sectional path through which refrigerant must pass.
Another object of the present invention is to provide an improved adsorbent unit assembly containing a plurality of parts which can be mounted within a receiver dryer prior to the time that the receiver dryer is finally assembled. Other objects and attendant advantages of the present invention will readily be perceived hereafter.
The present invention relates to an adsorbent unit assembly comprising a holder, an elongated member on said holder, an enlarged portion on said elongated member, a cylindrical adsorbent unit, a central opening in said cylindrical adsorbent unit receiving said elongated member, and a grid on said elongated member on the opposite side of said adsorbent unit from said enlarged portion.
The present invention also relates to a receiver dryer having a cylindrical housing and a central tube within said housing, the improvement comprising a holder, an elongated member on said holder positioned on said central tube, an enlarged member on said elongated member, a grid mounted on said elongated member, at least one adsorbent unit having an outer periphery with said adsorbent unit being mounted on said elongated member and compressed between said grid and said enlarged member with said outer periphery of said adsorbent unit in engagement with said cylindrical housing.
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:
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Millen Peter R.
Sullivan Stephen F.
Gastel Joseph P.
Multisorb Technologies, Inc.
Spitzer Robert H.
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