Refrigeration – Processes – Employing diverse materials or particular material in...
Reexamination Certificate
2000-05-02
2001-09-11
Doerrler, William (Department: 3744)
Refrigeration
Processes
Employing diverse materials or particular material in...
Reexamination Certificate
active
06286323
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to the improvement in the energy efficiency of air conditioning and refrigeration systems including refrigeration units, and air conditioning systems that transfer energy from one location to another.
BACKGROUND OF THE INVENTION
Since the early 1970's there has been a constant effort to improve the energy efficiency of cooling units which function on the air conditioning and refrigeration principle. As is well known, air conditioning and refrigeration systems function by relying upon the energy absorbed or released as a compressible fluid undergoes either pressure increase in a compressor or pressure decrease across a valve or other orifice. Typically, these systems rely upon phase changes from the gas to liquid state as a result of changes in pressure to effectuate energy transport. Such air conditioning and refrigeration units are utilized for large commercial installations either for refrigeration or freezing of perishable articles and the like as well as for climate control of large commercial buildings as well as individual dwellings. The energy efficiency of these units has been greatly increased through redesigned compressors, motors and other mechanical and design improvements. Improved methods for lubricating compressors have been developed so as to reduce the frictional energy which must be overcome in the compressor while new compressor designs have also been developed in an attempt to increase the energy efficiency of the systems.
However, a need still exists for continued energy improvement in the field of air conditioning and refrigeration systems.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the present invention to provide a composition which is capable of greatly increasing the energy efficiency of air conditioning or refrigeration systems using a polar compound containing a sulfonate containing calcium salt of dialkyl aromatic sulfonic acid and nonylated phenylamine derivatives.
A further object of the present invention is to provide a novel polar composition as an additive for lubricants which will be useful in air conditioning units, refrigeration units and engines to improve their energy efficiency. A further object of the present invention is to provide a method for improving the energy efficiency of air conditioning and refrigeration systems using a polar compound containing a sulfonate containing calcium salt of dialkyl aromatic sulfonic acid and nonylated phenylamine derivatives. The sulfonate component is selected so as to remain liquid during all phases of the air conditioning and refrigeration cycles.
Various additional components can be added to the invention including but not limited to: metal conditioners, metal stabilizers, antioxidants, corrosion inhibitors, seal conditioners, tracer dyes, broad spectrum biocides, acid scavengers; water displacement additives or combinations thereof.
REFERENCES:
patent: 4963280 (1990-10-01), Wilkins et al.
patent: 4963282 (1990-10-01), Jolley et al.
patent: 5445749 (1995-08-01), Hong
patent: 5744053 (1998-04-01), Kaimai
patent: 5826436 (1998-10-01), Scaringe et al.
patent: 5858266 (1999-01-01), Kaneko
Barr Teresa Leigh
Sgarbi Tony Pio
Busko Wendy K.
Buskop Law Group P.
Doerrler William
Drake Malik N.
Sgarbi Antonio Pio
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