US 12,295,538 B2
Cyclonic air treatment member and surface cleaning apparatus including the same
Wayne Ernest Conrad, Hampton (CA)
Assigned to Omachron Intellectual Property Inc., Hampton (CA)
Filed by Omachron Intellectual Property Inc., Hampton (CA)
Filed on Feb. 20, 2024, as Appl. No. 18/581,890.
Application 18/581,890 is a continuation of application No. 18/125,000, filed on Mar. 22, 2023, granted, now 11,950,750.
Application 18/125,000 is a continuation of application No. 17/719,253, filed on Apr. 12, 2022, granted, now 11,659,970, issued on May 30, 2023.
Application 17/719,253 is a continuation of application No. 17/694,927, filed on Mar. 15, 2022, granted, now 11,607,098, issued on Mar. 21, 2023.
Application 17/694,927 is a continuation of application No. 17/150,852, filed on Jan. 15, 2021, granted, now 11,304,578, issued on Apr. 19, 2022.
Application 17/150,852 is a continuation of application No. 16/901,945, filed on Jun. 15, 2020, granted, now 11,154,169, issued on Oct. 26, 2021.
Application 16/901,945 is a continuation in part of application No. 16/529,430, filed on Aug. 1, 2019, granted, now 11,006,799, issued on May 18, 2021.
Application 16/901,945 is a continuation in part of application No. 16/201,649, filed on Nov. 27, 2018, granted, now 10,882,059, issued on Jan. 5, 2021.
Application 16/529,430 is a continuation in part of application No. 16/101,770, filed on Aug. 13, 2018, granted, now 11,013,384, issued on May 25, 2021.
Claims priority of provisional application 62/734,603, filed on Sep. 21, 2018.
Prior Publication US 2024/0245273 A1, Jul. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 45/16 (2006.01); A47L 5/24 (2006.01); A47L 9/12 (2006.01); A47L 9/16 (2006.01); A47L 9/22 (2006.01); A47L 9/28 (2006.01); A47L 9/32 (2006.01); B01D 46/24 (2006.01); B01D 50/20 (2022.01); B04C 3/06 (2006.01); B04C 5/185 (2006.01); B04C 5/26 (2006.01); B04C 9/00 (2006.01)
CPC A47L 9/1608 (2013.01) [A47L 5/24 (2013.01); A47L 9/125 (2013.01); A47L 9/1641 (2013.01); A47L 9/165 (2013.01); A47L 9/1658 (2013.01); A47L 9/1666 (2013.01); A47L 9/1683 (2013.01); A47L 9/22 (2013.01); A47L 9/2884 (2013.01); A47L 9/322 (2013.01); B01D 45/16 (2013.01); B01D 46/2403 (2013.01); B01D 50/20 (2022.01); B04C 3/06 (2013.01); B04C 5/185 (2013.01); B04C 5/26 (2013.01); B04C 9/00 (2013.01); B01D 2273/30 (2013.01); B01D 2275/201 (2013.01); B01D 2279/55 (2013.01); B04C 2009/002 (2013.01); B04C 2009/005 (2013.01); B04C 2009/008 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hand vacuum cleaner having a front end having a dirty air inlet, a rear end, an upper end and a lower end, the hand vacuum cleaner comprising:
(a) an air treatment chamber comprising a front end, a rear end having an air treatment chamber air outlet and an air treatment chamber axis extending centrally between the front end and the rear end of the air treatment chamber, wherein the air treatment chamber air outlet extends axially into the air treatment chamber from the rear end of the air treatment chamber, the air treatment chamber air outlet has a front end and a rear end;
(b) a pre-motor filter positioned downstream of the air treatment chamber, the pre-motor filter having a front end that faces that faces towards the air treatment chamber air outlet;
(c) a suction motor positioned rearward of the pre-motor filter, the suction motor having an inlet end that faces towards a rear end of the pre-motor filter and a suction motor axis of rotation; and,
(d) a handle at the rear end of the hand vacuum cleaner and positioned rearward of the suction motor, the handle comprising an energy storage member housing, the handle having a front end provided at a rear end of the suction motor housing, a rear end and a handle axis extending between the front and rear end of the handle,
wherein the air treatment chamber axis and the suction motor axis of rotation extend in a common direction, and
wherein the air treatment chamber comprises a lower openable portion which is moveable between a closed position and an open position by a mount, wherein the lower openable portion includes the air treatment chamber air outlet and wherein the mount is provided rearward of the front end of the air treatment chamber air outlet.