Ice rink refrigerant distribution means

Details Ice rink refrigerant distribution means Ice rink refrigerant distribution means

A - Human Necessities

63

C

62/9

A63C 19/10 (2006.01) F25C 3/02 (2006.01)

Patent

CA 1185444

SPECIFICATION TO ALL WHOM IT MAY CONCERN BE IT KNOWN THAT I LI GUANG JING a Chinese citizen of Block C8-31/F Causeway Centre, Hong Kong have invented certain new and useful improvements in ICE RINK REFRIGERANT DISTRIBUTION MEANS of which the following is a description, reference being had to the accompanying drawings which form a part of this specification. ABSTRACT OF THE DISCLOSURE Ice rink refrigeration apparatus includes a liquid refrigerant supply pipe; rink pipes which receive this refrigerant and extend beneath the ice rink to effect cooling and a collection pipe which collects the vaporised or partially vaporised refrigerant from the rink pipes. The supply pipe is mounted coaxially within the collection pipe to form a common header which is positioned centrally Or the rink. A unified connector piece serves to connect the two ends of each rink pipe with the supply and collector pipes respectively.

406697

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