Heat exchange – Side-by-side tubular structures or tube sections – With manifold type header or header plate
Patent
1990-04-11
1991-08-27
Davis, Jr., Albert W.
Heat exchange
Side-by-side tubular structures or tube sections
With manifold type header or header plate
165176, F28F 922, F28F 902
Patent
active
050425781
ABSTRACT:
A heat exchanger for use in an automobile air conditioning system is disclosed. A condenser as the heat exchanger comprises a plurality of flat tubes for conducting refrigerant and a plurality of corrugated fins fixedly sandwiched between the flat tubes. First and second cylindrical header pipes are fixedly and hermetically connected to the interior of the flat tubes, and are provided with inlet and outlet union elements respectively for connecting the condenser to the other elements of the air conditioning system. Each of the header pipes is provided with a partition plate in order to turn the direction of the flow of the refrigerant, thereby obtaining the effective heat exchangeability of the condenser. The partition plate includes large and small semicircular portions. A semicircular slot is formed at a certain portion of each of the header pipes in order to place an arcuate periphery of the large semicircular portion on a lower surface thereof. A semicircular groove is formed at an inner peripheral surface of each of the header pipes opposite to the slot in order to place an arcuate periphery of the small semicircular portion on a lower side surface of the groove. Accordingly, even when the condenser receives an external impact in an assembling process thereof, an undesirable inclination of the partition plate can be prevented. Thereby, the partition plate can be fixedly disposed within the header pipe to prevent communication between upper and lower sections within the header pipe and leakage of refrigerant from the condenser to the atmosphere.
REFERENCES:
patent: 230815 (1880-08-01), Puffer
patent: 2867416 (1959-01-01), Lieberherr
patent: 4206805 (1980-06-01), Beckett
patent: 4825941 (1989-05-01), Hoshino et al.
patent: 4936381 (1990-06-01), Alley
Davis Jr. Albert W.
Sanden Corporation
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