FIELD: heating.
SUBSTANCE: seal (4) is fixed on the first case-shaped part (2) and at closed position of case-shaped parts (1, 2) it adjoins surface (5) of the second case-shaped part (1) and tightly closes the inner space. Diverter element (7) serves for equalisation of pressure between inner space (3) and the environment of refrigerating unit and is made partially from the material deformed under temperature effect. In the first condition the diverter element (7) allows close contact between seal (4) and adjoining surface (5) on the second case-shaped part (1) and it has the possibility of being converted under influence of heat or cold to the second condition in which it diverts seal (4) from adjoining surface (5). The material deformed under temperature effect in the second condition of diverter element (7) immediately influences the seal (4).
EFFECT: automation of action of diverter element to equalise the pressure in inner space of refrigerating unit.
20 cl, 11 dwg
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|
RU2465945C2 |
