US 11,867,184 B2
Fluid pump assembly
Timothy Marks, Northampton, PA (US); Patrick Clasen, Allentown, PA (US); and Justin Lawyer, Bethlehem, PA (US)
Assigned to EcoTech, Inc., Bethlehem, PA (US)
Filed by ECOTECH, INC., Bethlehem, PA (US)
Filed on Jul. 26, 2022, as Appl. No. 17/873,322.
Application 17/873,322 is a continuation of application No. 16/695,841, filed on Nov. 26, 2019, granted, now 11,396,878.
Application 16/695,841 is a continuation of application No. 16/134,246, filed on Sep. 18, 2018, granted, now 10,487,836, issued on Nov. 26, 2019.
Application 16/134,246 is a continuation of application No. 15/413,574, filed on Jan. 24, 2017, granted, now 10,077,775, issued on Sep. 18, 2018.
Application 15/413,574 is a continuation of application No. 14/264,744, filed on Apr. 29, 2014, granted, now 9,551,343, issued on Jan. 24, 2017.
Application 14/264,744 is a continuation of application No. 13/036,432, filed on Feb. 28, 2011, granted, now 8,708,672, issued on Apr. 29, 2014.
Claims priority of provisional application 61/309,133, filed on Mar. 1, 2010.
Prior Publication US 2023/0020990 A1, Jan. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F04D 13/02 (2006.01); F04D 29/043 (2006.01); F04D 29/046 (2006.01); F04D 29/20 (2006.01); F04D 29/42 (2006.01); A61H 33/00 (2006.01); F04D 13/06 (2006.01); F04D 29/44 (2006.01); F04D 29/62 (2006.01); F04D 29/041 (2006.01); H02K 49/10 (2006.01); F04D 29/60 (2006.01); H02K 1/22 (2006.01); F04D 29/02 (2006.01); A01K 63/04 (2006.01); A61H 35/00 (2006.01); F04D 13/08 (2006.01)
CPC F04D 13/027 (2013.01) [A61H 33/60 (2013.01); F04D 13/026 (2013.01); F04D 13/0666 (2013.01); F04D 29/026 (2013.01); F04D 29/043 (2013.01); F04D 29/046 (2013.01); F04D 29/0413 (2013.01); F04D 29/0465 (2013.01); F04D 29/20 (2013.01); F04D 29/426 (2013.01); F04D 29/445 (2013.01); F04D 29/448 (2013.01); F04D 29/605 (2013.01); F04D 29/628 (2013.01); H02K 1/22 (2013.01); H02K 49/108 (2013.01); A01K 63/047 (2013.01); A61H 35/006 (2013.01); A61H 2201/1215 (2013.01); F04D 13/08 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A magnetically driven unit, comprising:
a housing comprising a base and a nozzle releasably connected to the base;
a rotator at least partially contained in the housing, the rotator comprising a magnet;
a shaft operatively connected to the rotator;
a blade operatively coupled with the shaft;
a magnet cover cooperating with the base to enclose the magnet of the rotator between the base and the magnet cover;
an axle concentrically surrounded by the shaft;
a magnetic shield placed on top of the magnet of the rotator;
a sleeve concentric with and surrounding the axle;
a lower bearing concentric with and surrounding the sleeve, the lower bearing interposed between the magnet and the base; and
a thrust washer interposed between the lower bearing and the base.