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US 7,841,393 B2Granted
Heat exchanger
AssigneeDenso Corporation
InventorsYasuhiro Sekito, Yoshihiko Okumura, Toshihiko Muraki, Mitsugu Nakamura
Life of this patent
Estimating the term…
Abstract
A heat exchanger has tubes, an inlet tank and an outlet tank. The inlet tank and the outlet tank are coupled to ends of the tubes. The inlet tank and the outlet tank have an inlet port and an outlet port, respectively, on ends thereof. The heat exchanger further has a cover member disposed in at least one of the inlet tank and the outlet tank. The cover member partly covers openings of the ends of predetermined tubes of the tubes, the predetermined tubes being closer to at least one of the inlet port and the outlet port.
Claims16
A heat exchanger comprising:
- a plurality of tubes stacked in a tube stacking direction;
- an inlet tank coupled to the tubes and having an inlet port on an end thereof;
- an outlet tank coupled to the tubes and having an outlet port on an end thereof, the end being on a same side as the inlet port with respect to the tube stacking direction;
- and
- a cover member disposed in at least one of the inlet tank and the outlet tank, wherein
- the cover member partly covers openings of ends of predetermined tubes of the plurality of the tubes, the predetermined tubes being located adjacent to at least one of the inlet port and the outlet port with respect to the tube stacking direction;
- the cover member includes a main wall extending in a direction parallel to the tube stacking direction with a predetermined width,
- the main wall has a wall surface that is perpendicular to a longitudinal direction of the tubes, and
- the openings of the ends of the predetermined tubes are partly covered by the wall surface;
- the main wall includes a first wall portion and a second wall portion, the second wall portion being disposed farther away than the first wall portion with respect to at least one of the inlet port and the outlet port in the tube stacking direction, and
- the second wall portion having a width greater than a width of the first wall portion, the widths of the first and second wall portions being defined by dimensions in a direction perpendicular to the tube stacking direction.
8 more elements
A heat exchanger comprising:
- a plurality of tubes stacked in a tube stacking direction;
- an inlet tank coupled to the tubes and having an inlet port on an end thereof;
- an outlet tank coupled to the tubes and having an outlet port on an end thereof, the end being on a same side as the inlet port with respect to the tube stacking direction;
- and
- a cover member disposed in at least one of the inlet tank and the outlet tank, wherein
- the cover member contacts of ends of a predetermined number of the plurality of tubes so that the cover member partly covers openings of the ends of the predetermined number of the plurality of the tubes, the predetermined number of the plurality of tubes being less than a total number of the plurality of tubes, the predetermined number of the plurality of tubes being located adjacent to at least one of the inlet port and the outlet port with respect to the tube stacking direction;
- the cover member includes a main wall extending in a direction parallel to the tube stacking direction with a predetermined width,
- the main wall has a wall surface that is perpendicular to a longitudinal direction of the tubes,
- the openings of the ends of the predetermined number of the plurality of tubes are partly covered by the wall surface;
- at least one of the inlet tank and the outlet tank, in which the cover member is disposed, has a tubular shape extending in a direction parallel to the tube stacking direction and has a tank inner surface that is opposed to the ends of the tubes,
- the cover member further includes leg portions extending from the main wall toward the tank inner surface, and
- ends of the leg portions are in contact with the tank inner surface.
9 more elements
Dependencies are inferred from the claim text.