Sealing structure of a rotation unit and air conditioning...

Details Sealing structure of a rotation unit and air conditioning... Sealing structure of a rotation unit and air conditioning...

2011-06-21

2011-06-21

Ciric, Ljiljana (Lil) V (Department: 3785)

Heat exchange

With vehicle feature

Heating and cooling

C165S076000, C165S079000, C165S086000

Reexamination Certificate

active

07963316

ABSTRACT:
An air conditioning apparatus has a case, a heat exchanger rotatable about a rotation axis in the case, and a pipe unit in communication with the heat exchanger. The pipe unit has a first section fixed to the case and a second section coaxially coupled to the first section. The second section is coupled to the heat exchanger and rotatable with the heat exchanger. The first section has a first annular portion, a second annular portion, a cylindrical portion, and a support member. The second section has a flange portion disposed between the first annular portion and the support member. An O-ring is disposed in a groove provided by the first annular portion and the cylindrical portion, and is in contact with a surface of the first annular portion and the flange portion in a direction parallel to the rotation axis.

REFERENCES:
patent: 5170841 (1992-12-01), Briet
patent: 7284595 (2007-10-01), Maeda et al.
patent: 2006/0005959 (2006-01-01), Maeda et al.
patent: 2001-246921 (2001-09-01), None
patent: 2003-130044 (2003-05-01), None
Office action dated Feb. 8, 2011 in corresponding Japanese Application No. 2006-244039.

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