Heat accumulator for vehicle use

Heating systems – Vehicle – Heat accumulator

Reexamination Certificate

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Details

C165S010000, C237S01230R

Reexamination Certificate

active

06994268

ABSTRACT:
A heat accumulator for vehicle use, attached to a vehicle, has a double tank structure composed of an outer tank and an inner tank, a space formed between the outer tank and the inner tank being maintained as a vacuum, the outer tank and the inner tank each have an opening on a bottom face, the opening of the outer tank and that of the inner tank are joined to each other at the entire peripheries of the openings, preventing means for preventing fatigue failure from starting at the joining portion being provided at a portion extending from the opening to at least a side of the outer tank.

REFERENCES:
patent: 3289423 (1966-12-01), Berner et al.
patent: 5605190 (1997-02-01), Strahle et al.
patent: 5957193 (1999-09-01), Kanada
patent: 6041618 (2000-03-01), Patel et al.
patent: 2004/0011501 (2004-01-01), Maruyama
patent: 7-27430 (1995-05-01), None
patent: 10-86644 (1998-04-01), None
patent: A2001-128860 (2001-05-01), None
patent: 2002-309936 (2002-10-01), None
patent: 2004-001623 (2004-01-01), None

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