Evaporator

Details Evaporator Evaporator

1977-10-27

1979-04-17

Purser, Ernest R.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

62525, 165 40, 165176, F25B 3902

Patent

active

041493907

ABSTRACT:
An evaporator including a side plate formed with a number of openings each having rigidly secured therein the upper end portion of one of a number of U-shaped refrigerant tubes, a cover plate attached to the upper surface of the side plate and formed, by recessing its inner surface, with a plurality of bend sections each intercommunicating the upper end portions of the two tubes of the adjacent U-shaped refrigerant tubes forming a set, a distributor section for supplying a suitable refrigerant to refrigerant passages provided by the U-shaped tubes and the bend sections, a manifold section for collecting the refrigerant from the refrigerant passages and discharging same therefrom, and an expansion valve section extending between the distributor section and the manifold section in a manner to intercommunicate the two sections, and an expansion valve assembly mounted in the expansion valve section. In this evaporator, the refrigerant supplied through a high pressure refrigerant pipe connected to the cover plate passes through a valve section of the expansion valve assembly into the distributor section, from which the refrigerant flows through the tortuous refrigerant passages provided by the U-shaped tubes and the bend sections. The refrigerant changes into a gaseous state while flowing through the refrigerant passages, and the gaseous refrigerant is collected in the manifold section, from which it passes through a control section of the expansion valve assembly into a low pressure refrigerant pipe.

REFERENCES:
patent: 1120159 (1914-12-01), Pollard
patent: 1792090 (1931-02-01), Haupt
patent: 1957036 (1934-05-01), Baars
patent: 2586998 (1952-02-01), Schlenz
patent: 2642724 (1953-06-01), Carter
patent: 2669099 (1954-02-01), Malkoff
patent: 3990504 (1976-11-01), Kolthoff

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