Nozzle cooled by heat pipe means

Details Nozzle cooled by heat pipe means Nozzle cooled by heat pipe means

1983-12-23

1985-05-14

Davis, Jr., Albert W.

Heat exchange

Structural installation

16510426, 16510421, F28D 1500

Patent

active

045166315

ABSTRACT:
A tubular member (40, 40') which has heat pipe cooling means (48, 48') cooperatively associated therewith and which is particularly suited for use in the manner of a nozzle for purposes of effecting the introduction of fuel, air, etc. into a substantially closed area 12 in which combustion takes place. The subject tubular member, i.e., nozzle, (40, 40') is suitably supported relative to the aforesaid combustion area (12) such that one end (30, 30') of the former (40, 40') communicates with the interior of the combustion area (12) and the other end (32, 32') thereof communicates with the exterior of the combustion area (12). Heat pipe means (48, 48') having an evaporator, i.e., hot, end and a condenser, i.e., cold, end is suitably supported in surrounding relation to the tubular member (40, 40') so as to be operative to effect a cooling of the latter (40, 40'). Within the heat pipe means (48, 48'), there is established a flow path along which a continuous flow of fluid occurs. In accord with this flow path, fluid in the form of a liquid flows through capillary action from the condenser end to the evaporator end of the heat pipe means (48, 48'). At the evaporator end of the heat pipe means (48, 48'), the liquid absorbs sufficient heat from the combustion area (12) that it vaporizes. As a vapor, the fluid then flows back from the evaporator end to the condenser end of the heat pipe means (48, 48'), where it is cooled and condenses. Thereafter, as a liquid the fluid once again commences its travel along the flow path provided therefor within the heat pipe means (48, 48').

REFERENCES:
patent: 3537515 (1970-11-01), Byrd
patent: 3714981 (1973-02-01), Noren
patent: 3719051 (1973-03-01), Malaker
patent: 3749163 (1973-07-01), Waters
patent: 3789920 (1974-02-01), Low et al.
patent: 3803688 (1974-04-01), Peck

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