REFRIGERATOR - MATSUSHITA REFRIGERATION

Title:

REFRIGERATOR

Document Type and Number:

WIPO Patent Application WO/2002/073106

Kind Code:

A1

Abstract:

As a defrosting means for an evaporator having a combustible refrigerant sealed therein and included in a refrigerating cycle, a plurality of glass tube heaters are installed in the vicinity of the evaporator. And, the electricity passing time or the applied voltage is controlled such that the surface temperature of the glass tube heaters is less than the ignition temperature of the combustible refrigerant. Further, the glass tube heaters and the evaporator fins are brought into contact with each other to lower the surface temperature of the glass tube heaters. Further, the glass tube heaters are of multiple construction and a sealing member is installed on the end surface. With such arrangement, in a refrigerator using a combustible refrigerant, even if defrosting is effected in a combustible refrigerant-leaking environment, firing of the combustible refrigerant can be prevented and so can be non-cooling due to the residue of the frost.

Inventors:

NAKAYAMA MASAHIRO (JP)
KISHINAKA YUJI (JP)
YAMAMOTO KIYONORI (JP)
YOKOE AKIRA (JP)

Application Number:

PCT/JP2002/002332

Publication Date:

September 19, 2002

Filing Date:

March 13, 2002

Export Citation:

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Assignee:

MATSUSHITA REFRIGERATION (JP)
NAKAYAMA MASAHIRO (JP)
KISHINAKA YUJI (JP)
YAMAMOTO KIYONORI (JP)
YOKOE AKIRA (JP)

International Classes:

F25B1/00; F25D21/08; H05B3/44; H05B3/50; F25D21/14; (IPC1-7): F25D21/08

Foreign References:

JP2000266450A	2000-09-29
JPS597383U	1984-01-18
JP2000121235A	2000-04-28
JPS5916971U	1984-02-01
JPH0310185U	1991-01-30
JPH11257831A	1999-09-24
JPH0427372U	1992-03-04
JP2000266450A	2000-09-29

Other References: