Condenser for refrigerating cycle

Details Condenser for refrigerating cycle Condenser for refrigerating cycle

1994-05-23

1995-08-29

Tanner, Harry B.

Refrigeration

Refrigeration producer

With lubricant handling means

62507, 621964, F25B 3904

Patent

active

054449936

ABSTRACT:
A condenser for a refrigerant, capable of varying the condensing capacity of the condenser in accordance with a load, so that a condensing pressure larger than a predetermined value is maintained at the condenser when the load is low. The condenser includes a inlet header 15 to which a first inlet conduit 17 is connected at its top location. The inlet conduit 17 is provided with a U-shaped portion 17a and an upright portion 17b. A second inlet conduit 18 is connected to the header 15 at its bottom location. During a high load condition, the high speed of the flow of the refrigerant prevents a lubricant mixed with the refrigerant from being held at the U-shaped portion 17a, so that the gaseous state the refrigerant can pass through the upright portion 17b, so that the refrigerant is introduced into all of heat exchanging tubes 13, thereby obtaining a large area of the heat emission by the heat exchanging tubes 13. During a low load condition, the low speed of the flow of the refrigerant allows the lubricant to be held at the U-shaped portion 17a, so that the gaseous state the refrigerant is blocked at the first inlet conduit 17, so that the refrigerant is introduced only into the heat exchanging tubes connected to the second inlet conduit 18, thereby providing a small area for the heat emission by the heat exchanging tubes 13.

REFERENCES:
patent: 2921448 (1960-01-01), Carraway
patent: 3430453 (1969-03-01), Norton
patent: 3440833 (1969-04-01), Fernandes
patent: 3481152 (1969-12-01), Seeley
patent: 5146767 (1992-09-01), Kadle et al.
"Text for an Advanced Refrigerating Technology", pp. 206-213, 1990.

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