US 11,771,287 B2
Surface cleaning apparatus
George Moyher, Jr., Cedar Springs, MI (US); and Michael Graham, Lake Odessa, MI (US)
Assigned to BISSELL Inc., Grand Rapids, MI (US)
Filed by BISSELL Inc., Grand Rapids, MI (US)
Filed on Jan. 25, 2022, as Appl. No. 17/583,717.
Application 17/583,717 is a continuation of application No. 16/426,474, filed on May 30, 2019, granted, now 11,259,678.
Application 16/426,474 is a continuation of application No. 15/443,211, filed on Feb. 27, 2017, granted, now 10,327,616, issued on Jun. 25, 2019.
Application 15/443,211 is a continuation of application No. 14/220,595, filed on Mar. 20, 2014, granted, now 9,615,703, issued on Apr. 11, 2017.
Application 14/220,595 is a continuation of application No. 13/896,848, filed on May 17, 2013, granted, now 9,474,424, issued on Oct. 25, 2016.
Claims priority of provisional application 61/654,281, filed on Jun. 1, 2012.
Prior Publication US 2022/0142435 A1, May 12, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A47L 11/34 (2006.01); A47L 11/40 (2006.01); A47L 7/00 (2006.01); A47L 5/36 (2006.01); A47L 9/00 (2006.01)
CPC A47L 11/34 (2013.01) [A47L 5/362 (2013.01); A47L 5/365 (2013.01); A47L 7/0023 (2013.01); A47L 7/0042 (2013.01); A47L 9/0027 (2013.01); A47L 9/0036 (2013.01); A47L 9/0045 (2013.01); A47L 11/4002 (2013.01); A47L 11/4008 (2013.01); A47L 11/4016 (2013.01); A47L 11/4019 (2013.01); A47L 11/4025 (2013.01); A47L 11/4027 (2013.01); A47L 11/4075 (2013.01); A47L 11/4083 (2013.01); A47L 11/4088 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A surface cleaning apparatus, comprising:
a housing at least partially defining an air pathway, the housing comprising a platform and partition, the housing defining a receiver;
a fluid delivery system comprising a supply tank with a side wall and a bottom wall, the supply tank adapted to be selectively received in the receiver and for storing cleaning fluid, and a fluid distributor for delivering the cleaning fluid from the supply tank to a surface;
a motor/fan assembly provided within the air pathway for generating an airflow through the air pathway wherein the motor/fan assembly transfers heat to air moving through the air pathway and removes heated air from the air pathway, the air pathway having an inlet upstream of the motor/fan assembly and an outlet downstream of the motor/fan assembly; and
a duct downstream of the motor/fan assembly and upstream of the outlet and having a section in heat exchange relationship with the supply tank, to heat cleaning fluid in the supply tank by heat transfer from the heated air, the section at least partially formed between a portion of the supply tank and a portion of the housing when the supply tank is received in the receiver.