US 12,264,676 B2
Magnetic drive and hybrid pump including the same
Sang Seon Lee, Wonju-si (KR)
Assigned to FLUONICS CORP., Wonju-si (KR)
Filed by FLUONICS CORP., Wonju-si (KR)
Filed on Jul. 24, 2023, as Appl. No. 18/357,836.
Application 18/357,836 is a continuation of application No. 17/399,474, filed on Aug. 11, 2021, granted, now 11,746,790.
Application 17/399,474 is a continuation of application No. PCT/KR2021/000407, filed on Jan. 12, 2021.
Claims priority of application No. 10-2020-0009170 (KR), filed on Jan. 23, 2020; application No. 10-2020-0009171 (KR), filed on Jan. 23, 2020; and application No. 10-2020-0009172 (KR), filed on Jan. 23, 2020.
Prior Publication US 2023/0366403 A1, Nov. 16, 2023
Int. Cl. F04D 13/02 (2006.01); F04D 13/06 (2006.01); F04D 25/02 (2006.01); F04D 29/02 (2006.01); F04D 29/043 (2006.01); F04D 29/62 (2006.01)
CPC F04D 13/024 (2013.01) [F04D 13/025 (2013.01); F04D 13/027 (2013.01); F04D 13/06 (2013.01); F04D 25/026 (2013.01); F04D 29/026 (2013.01); F04D 29/043 (2013.01); F04D 29/628 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A hybrid pump comprising:
an impeller;
a magnetic drive configured to control rotation of the impeller; and
a drive shaft combined with the magnetic drive,
wherein the magnetic drive has a plastic member and a metal member included in the plastic member,
wherein a space is formed on an internal surface of the plastic member to expose the metal member included in the plastic member,
wherein a magnet is adhered to the exposed metal member in the space, and
wherein the drive shaft and the metal member are directly connected, and the metal member has at least one hole in which melted plastic is filled during an insert molding to form the plastic member.