A purging device for a system accumulating condensable and non-condensable gases. The purging device comprises: a purge tank; apparatus receiving the condensable and non-condensable gases from the system and directing said gases into the purge tank; apparatus condensing the non-condensable gases into...http://www.google.se/patents/US6564564?utm_source=gb-gplus-sharePatent US6564564 - Purge
