Patent
Corrugated fin type heat exchanger
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TLDR
In this article, the authors describe a heat exchanger core comprising a single row of parallel tubes defining the first series of passages for a first fluid and corrugated fins disposed between and thermally connected to each adjacent pair of tubes to cooperate therewith to define a second series of passage for a second fluid.Abstract:
A heat exchanger has a heat exchanger core comprising a single row of parallel tubes defining therein first series of passages for a first fluid and corrugated fins disposed between and thermally connected to each adjacent pair of tubes to cooperate therewith to define a second series of passages for a second fluid. Each tube is of a generally rectangular cross-section and arranged such that the longitudinal axis of the rectangular cross-section is parallel to the direction on the flow of the second fluid through the heat exchanger. The dimension of each fin as measured in the direction of the flow of the second fluid is within the range of from 12 to 23 mm, the pitch of the corrugated fins is within the range of from 1.5 to 3.3 mm and the dimension of the longitudinal axis of the rectangular cross-section of each tube is not greater than the dimension of each fin as measured in the direction of the flow of the second fluid.read more
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Journal Article
Air conditioning apparatus
TL;DR: In this article, an air conditioning apparatus suitable for an electric powered automobile is presented, where at least one of a heating and a dehumidifying operation is effected by utilizing a refrigerating cycle.
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Condenser for use in a car cooling system
TL;DR: A condenser adapted for use in the car cooling system, the condenser comprising a pair of headers provided in parallel with each other; a plurality of tubular elements whose opposite ends are connected to the headers; fins provided in the air paths between one tube and the next; each of the headers is made of a cylindrical pipe of aluminum; each tubular element is made a flat hollow tube of aluminum by extrusion; and the opposite ends of the tubular items are inserted into slits produced in the headers so that they are liquid-tightly soldered therein this article
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References
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Patent
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