Importance

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Abstract

A parallel flow evaporator comprises a transitional plate. A left side plate and a right side plate are connected with two side edges of the transitional plate respectively. A first liquid inlet manifold is secured to an upper side edge of a forward side surface of said transitional plate, a first gas outlet manifold is secured to an upper side edge of a rearward side surface of said transitional plate, a second liquid inlet manifold is secured to a lower side edge of the forward side surface of said transitional plate, and a second gas outlet manifold is secured to a lower side edge of the rearward side surface of said transitional plate. A plurality of flat tubes, which are parallel with and distant from each other, are arranged between said first liquid inlet manifold and said second liquid inlet manifold. Said first liquid inlet manifold and said second liquid inlet manifold as well as said first gas outlet manifold and said second liquid inlet manifold communicate with said flat tubes. Between the flat tubes there are arranged a plurality of fins. A left end of the second liquid inlet manifold is connected with a coolant inlet and a left end of the second gas outlet manifold is connected with a coolant outlet. According to the present invention, flat tubes and fins are provided in the parallel flow evaporator, and the liquid inlet manifolds and the gas outlet manifolds are designed as U-tubes, so the heat exchange efficiency of the parallel flow evaporator is improved.

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First Claim