Deletion of Advanced Uniflow Steam Engine

Comment: This may be a bad article, but it is not  as it appears to be reporting on a US patent, as indicated by the talk-space item on the main page.  It certainly needs tagging for improvement, but not in my view deletion
Stance: keep
Cited policy: Wikipedia:No original research (WP:OR)

Comment: fails . Requires multiple reliable independent sources that discuss the topic
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)