Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Karanīyavimāna
Karanīyavimāna:A certain layman of Sāvatthi bathed in the Aciravatī,and on his return,seeing the Buddha,invited him to a meal.The Buddha accepted and was waited on with great devotion.As a result the layman was born in Tāvatimsa,in a palace which came to be called Karanīyavimāna.
A further story is told similar to the above,except that the person fed is a monk and not the Buddha (Vv.55; VvA.248f).