| Patent Number |
Title Of Patent |
Date Issued |
| 6023940 |
Flow distributor for air conditioning unit |
February 15, 2000 |
| A split air conditioner unit having a distributor located indoors for delivering refrigerant to a plurality of evaporator flow circuits. The distributor is connected to an outdoor condenser by a refrigerant line containing an expansion device. A strainer is located at the entrance to |
| 5214939 |
Variable area refrigerant expansion device having a flexible orifice |
June 1, 1993 |
| A refrigeration expansion valve meters the flow of refrigerant therethrough through a flexible orifice that varies in cross sectional area as a function of the pressure differential across the valve. The flexible orifice is provided in a tubular elastomeric element that is supported at |
| 5186899 |
Fixture for supporting a refrigerant sampling tube in a closed system |
February 16, 1993 |
| A holder for use with a refrigerant purity sampling tube is provided with a base and two end fittings. The end fittings are adapted to establish a releasably fluid tight relationship with the opposite ends of a sampling tube. One end fitting is fixed to the base and the other is slideabl |
| 5065593 |
Method for controlling indoor coil freeze-up of heat pumps and air conditioners |
November 19, 1991 |
| A heat pump diagnostic and control system for controlling indoor coil freeze-up when in the cooling mode is provided. A low indoor coil temperature is sensed, the indoor fan speed is increased in steps up to a maximum to thaw the frost on the indoor coil. If this is not sufficient, t |
