Patent ID: 6149074
Filing Date: 2000-11-21
Classification: F01D,F05D

Abstract:
A Cooling or heating apparatus for a circular housing, comprising:networks of tubes covering different sections of a circumference of the housing, the tubes having gas outlet apertures directed to the housing;gas inlet distributors each of which has a bush and is provided at an end of each of the networks so that each of the networks is provided between and connected to two of the gas inlet distributors;gas supplying pipes each of which is configured to supply gas to two adjacent of the gas inlet distributors;sleeves each of which is inserted into the bushes of the two adjacent of the gas inlet distributors to connect one of the gas inlet distributors of one of the networks and one of the gas inlet distributors of another one of the networks such that the networks are connected to each other by the sleeves, each of the sleeves being slidable in the bushes and having ends each of which has a shape of a portion of an open sphere, the bushes having an end-stop to limit a movement of the sleeve; andconnecting pipes each of which is provided in each of the sleeves to pass through the end-stop of one of the bushes to open into each of the gas supplying pipes such that a cross-sectional area of each of the connecting pipes overlaps a half of a cross-sectional area of each of the gas supplying pipes.