| Patent Number |
Title Of Patent |
Date Issued |
| 7415838 |
Second-refrigerant pump driving type air conditioner |
August 26, 2008 |
| A second-refrigerant pump driving type air conditioner, including an indoor unit having an indoor heat exchanger that circulates a refrigerant containing no oil, a first circulator including a compressor that compresses and discharges a refrigerant containing oil, a first outdoor hea |
| 7343756 |
Air conditioning system |
March 18, 2008 |
| An air conditioning system comprises a first tank connected to an outlet side refrigerant line of an indoor unit, a second tank disposed to be lower than the first tank, middle tank installed between the first tank and the second tank, a heat source cycle for depressurizing and cooling |
| 7318326 |
Multi-air conditioner |
January 15, 2008 |
| A multi-air conditioner comprising: a plurality of indoor units for exchanging the heat with indoor air; a plurality of outdoor units, each outdoor unit having an outdoor heat exchanger for exchanging the heat and a compressor for compressing a fluid; a connecting pipe for connecting |
| 7272943 |
Control method for multiple heat pump |
September 25, 2007 |
| Disclosed herein is a control method for a multiple heat pump. In the control method, when one of multiple indoor units operates in the heating mode and the other indoor units shut down, electronic expansion valves of the shutdown indoor units are controlled to have an opening degree hig |
| 7261147 |
Heat exchanger |
August 28, 2007 |
| Disclosed is a heat exchanger including a plurality of tubes through which refrigerants flow, the tubes being spaced away from each other, and a plurality of fins through which the tubes are perpendicularly inserted, the fins being spaced away from each other at a predetermined distance, |
| 7219716 |
Heat exchanger |
May 22, 2007 |
| Disclosed is a heat exchanger including: a plurality of tubes through which refrigerants flow, the tubes being spaced away from one another; and a fin through which the tubes are perpendicularly inserted, and having a fin collar for supporting the inserted tube, a seat for supporting |
| 7182127 |
Heat exchanger |
February 27, 2007 |
| A heat exchanger includes a plurality of tubes through which refrigerants flow, the tubes being spaced apart from each other, and a plurality of fins spaced apart from each other at a predetermined distance. Each of the fins has fin collars through which the tubes are perpendicularly |
| 7181917 |
Control method for four-way valve of multiple heat pump |
February 27, 2007 |
| Disclosed herein is a control method for four-way valves of a multiple heat pump. In the control method, if even at least one of four-way valves of respective outdoor units is not switched to a desired mode upon switching of all of the four-way valves to the desired mode, the other f |
| 7080682 |
Heat exchanger |
July 25, 2006 |
| A heat exchanger which reduces a flow loss of air and increases a heat exchange performance by preventing condensate water from staying at surfaces of fins. To this end, the heat exchanger includes: a plurality of tubes arranged with a predetermined interval so as to pass a fluid for |
| 6932153 |
Heat exchanger |
August 23, 2005 |
| A heat exchanger includes: a receiving tube into which a fluid is introduced; a discharge tube for discharging a heat-exchanged fluid outwardly; a plurality of fins disposed between the receiving tube and the discharge tube, being bent at regular intervals so that air can pass at an |
| 6546998 |
Tube structure of micro-multi channel heat exchanger |
April 15, 2003 |
| A micro-multi channel heat exchanger includes a lower header having a hollow for receiving refrigerant and an upper header opposite to the lower header. A plurality of tubes are arranged in a length direction of the upper and lower headers at fixed intervals, each having opposite ends |
| 6467295 |
Refrigerated cooling apparatus for semiconductor device |
October 22, 2002 |
| The present invention relates to a refrigerated cooling apparatus for cooling heat generated from a semiconductor device by forming a circulating flow path of the air in a case with an evaporator and the semiconductor mounted.The refrigerated cooling apparatus includes a compressor for c |
| 6431263 |
Heat exchanger with small-diameter refrigerant tubes |
August 13, 2002 |
| A heat exchanger with small-diameter refrigerant tubes is disclosed. The heat exchanger has a plurality of air guide fins assembled with each other by one or more vertical rows of refrigerant tubes passing through the air guide fins. In the heat exchanger, each of the refrigerant tubes i |
