Patent ID: 11885247
Assignee: nan
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 18:
19. The oil drainage apparatus as in claim 11, wherein:
said drain magnet polarity has a south pole directed downwardly;
said first actuation magnet has a north pole directed upwardly such that said drain magnet is magnetically urged downwardly in said common internal tubular space toward said closed configuration and toward said first actuation magnet when said first actuation magnet is aligned with said drain magnet;
said second actuation magnet has a south pole directed upwardly such that said drain magnet is magnetically repulsed and magnetically urged upwardly in said common internal tubular space toward said open configuration and away from said second actuation magnet when said second actuation magnet is aligned with that drain magnet.