HEAT MEDIUM HEATING DEVICE - MITSUBISHI HEAVY IND LTD

Title:

HEAT MEDIUM HEATING DEVICE

Document Type and Number:

WIPO Patent Application WO/2012/077266

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide a heat medium heating device which is capable of improving adhesion between a PTC element and an electrode plate, and furthermore adhesion between a PTC heater and a heat medium channel-forming member, while suppressing increase in the cost. A heat medium heating device (10) is provided with: an inner pipe main body (21), on the inside of which a channel for a heat medium is formed; an outer pipe main body (31), which is arranged on the outer circumferential side of the inner pipe main body (21), and on the outside of which a channel for the heat medium is formed; and a PTC heater (40) that is sandwiched and held between the inner pipe main body (21) and the outer pipe main body (31). The outer shapes of the inner pipe main body (21) and the outer pipe main body (31) may be circular or may be rectangular. In addition, it is preferable that the inner pipe main body (21) and the outer pipe main body (31) are respectively provided with fins (24, 34) that face the channels of the heat medium.

Inventors:

WATANABE YASUNORI (JP)
CHUMAN YASUHARU (JP)
KUGA KAZUNORI (JP)
KOMINAMI SATOSI (JP)

Application Number:

PCT/JP2011/005341

Publication Date:

June 14, 2012

Filing Date:

September 22, 2011

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND LTD (JP)
WATANABE YASUNORI (JP)
CHUMAN YASUHARU (JP)
KUGA KAZUNORI (JP)
KOMINAMI SATOSI (JP)

International Classes:

B60H1/22; H01C7/02

Foreign References:

JPH0579695A	1993-03-30
JPS5692343A	1981-07-27
JPH0375431A	1991-03-29
JPH0869856A	1996-03-12
JPH05258841A	1993-10-08
JP2008109137A	2008-05-08

Other References: