FIELD: heating.
SUBSTANCE: end cover plate (200) of a compressor to provide a thermal barrier near a mechanical seal includes an internal end cover plate (210) and an external end cover plate (220). The external end cover plate (220) has a hole (221) made in the centre to arrange the internal end cover plate (210), an outlet hole (224) and grooves (225) passing adjacently along side surfaces in a radial direction with the above hole (221). The internal end cover plate (210) has the hole (211) located in the centre, an inlet hole (213), grooves (212) made in the hole (211) to arrange the end part of the compressor shaft, and a flow passage made along the external surface.
EFFECT: improved structure.
15 cl, 16 dwg
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