Evaporation tray

Details Evaporation tray Evaporation tray

2000-02-09

2002-05-28

Doerrler, William (Department: 3744)

Refrigeration

With means preventing or handling atmospheric condensate...

Means utilizing heat developed by refrigeration producer

C062S285000

Reexamination Certificate

active

06393854

ABSTRACT:

FIELD OF THE INVENTION
The present invention refers to a new construction for the evaporation tray for the defrost water in refrigeration systems of refrigerators and freezers and, more especifically, to a new construction for the evaporation tray of the type which is affixed onto the shell of the hermetic compressor of said refrigeration systems.
BACKGROUND OF THE INVENTION
There are well known in the art the constructive solutions for affixing, onto the shell of a hermetic compressor, a tray which is dimensioned to receive and store the water produced by defrost, which usually occurs automatically in refrigerators and freezers. In this constructive solution, seating the tray onto the compressor shell allows the tray to be submitted to the heat produced by the compressor under operation, promoting the evaporation of the collected water.
In one of these known solutions, the shell of the hermetic compressor incorporates an upper support onto which is fitted and retained the evaporation tray, which is, in turn, inferiorly and externally designed, in order to be easily and securely adapted onto the upper support of the compressor shell. Although providing a strong fixation with high mechanical strength, this constructive solution has, as a disadvantage, a relatively high cost due to the provision and fixation of the support onto the shell and due to the specific shape that both the tray and the support must have to guarantee an easy and secure mutual fitting. Two other inconveniences of the solution cited above result from the difficulty of packaging the compressor when its shell incorporates a projecting upper support, and also from the limited thermal contact between the tray and the compressor shell.
In another known solution, the evaporation tray has the lower portion thereof shaped in order to be seated onto a larger area of the compressor shell, the fixation being achieved by means of clamps acting on both the tray and the tubes provided through the shell. Although improving the thermal contact between the shell and the tray, this solution requires more space in the compressor for assembling and disassembling the tray and presents a low versatility, since a determined tray cannot be adapted to different tube diameters.
Besides these two solutions of mechanical fixation cited above, there are other solutions in which adhesion is used for affixing the tray to the shell. In one of these fixations by adhesive, liquid or viscous glue is applied between the shell and the bottom of the tray. Although improving the thermal contact between both parts, dispensing the support in the shell, simplifying the lower profile of the tray and making easy the assembly, the fixation by adhesive has the inconveniences of depending on the amount and distribution of the glue, requiring a certain degree of cleanliness of the surfaces to be glued, and also of allowing the parts to separate from each other, upon heating of the compressor.
In another known solution, the “hot-melt” process is used for attaching the tray onto the compressor shell. The advantages and deficiencies of this solution are similar to those already commented in relation to the use of adhesives.
DISCLOSURE OF THE INVENTION
It is the object of the present invention to provide an evaporation tray for a refrigeration system of refrigerators and freezers, to be mounted onto the hermetic compressor of said system, having a simple and easy construction which can be securely attached to the compressor shell, without requiring the incorporation of additional elements to the latter and assuring a relatively high thermal contact between the tray and the compressor, with no risks of the parts separating from each other, upon heating of the compressor under operation.
The object above is achieved by the provision of an evaporation tray, which is molded in a high temperature resistant plastic material and which is to be seated and affixed onto the upper cover of the compressor shell of the refrigeration system of refrigerators and freezers.
According to the invention, the evaporation tray comprises a bottom wall provided with a lower surface portion, dimensioned to be seated onto the upper cover of the compressor shell; a peripheral wall; and at least one adhesive tape of the double face type, which is simultaneously attachable to said lower surface portion of the tray and onto the upper cover of the compressor shell.


REFERENCES:
patent: 5271241 (1993-12-01), Kim
patent: 5881566 (1999-03-01), Shacklock et al.
patent: 5941085 (1999-08-01), Jeon
patent: 5966958 (1999-10-01), Maynard
patent: 5979172 (1999-11-01), Teller
patent: 6053003 (2000-04-01), Song et al.
patent: 6065299 (2000-05-01), Chen

Affiliated with

Also associated with

Rating

Evaporation tray does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Evaporation tray, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Evaporation tray will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2877065