F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
103/75
F04C 18/00 (2006.01) F02M 37/08 (2006.01) F04C 15/00 (2006.01)
Patent
CA 1187332
ABSTRACT An axial air gap magnetic drive motor having a diaphragm to seal the drive motor from the pump is disclosed. The drive motor drives a posi- tive displacement pmup through a magnetic coupling on both sides of the diaphragm. The gerotor pump includes an annular backing plate member. an inlet member and a three piece pump which is rotated by the drive motor through the magnetic coupling. The three piece pump includes a male rotor gear, an annular female gear cooperatively engaging the male rotor gear and an outer annular member disposed around the annular female gear. The inside diameter of the outer annular member is eccentric a predetermined radial distance from the axial center line. The outer annular member, the inlet member and the backing plate member are pinned to one another to prevent relative movement therebetween. A pair of biasing members are mounted between the opposite end of the housing and the inlet member to urge the inlet member towards the three piece pump and the backing plate member to reduce axial clearance therebetween.
405199
Facet Enterprises Inc.
Marks & Clerk
LandOfFree
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