Constructional unit for a heat exchanging device

Heat exchange – With timer – programmer – time delay – or condition responsive... – Having heating and cooling capability

Reexamination Certificate

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Details

C165S042000, C165S043000, C165S203000, C165S204000, C165S096000, C165S100000, C165S103000, C454S160000, C454S161000

Reexamination Certificate

active

07823631

ABSTRACT:
A constructional unit for a heat exchanging device that includes at least one housing in which a gaseous medium is at least partially guided on a predetermined path, an inlet device for the gaseous medium, at least one first heat exchanging device, at least one second heat exchanging device, at least one controller that influences the direction of flow of the gaseous medium in at least some sections and that can be adjusted to at least two different positions, and an outlet device for the gaseous medium. In at least one first position of the first controller, substantially no portions of the gaseous medium are guided through the first heat exchanging device.

REFERENCES:
patent: 2096967 (1937-10-01), Johnson
patent: 3807490 (1974-04-01), Engel
patent: 3841395 (1974-10-01), Steinmann
patent: 4546617 (1985-10-01), Suzuki et al.
patent: 4913034 (1990-04-01), Ripple et al.
patent: 5299431 (1994-04-01), Iritani et al.
patent: 6311763 (2001-11-01), Uemura et al.
patent: 6544115 (2003-04-01), Graf
patent: 2003/0217833 (2003-11-01), Alber et al.
patent: 2 531 666 (1984-02-01), None
patent: 2 769 262 (1999-04-01), None

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