US 11,684,234 B2
Pump and dishwasher including the same
Sangsoo Lee, Seoul (KR); Myoungjong Kim, Seoul (KR); Jongmin Lee, Seoul (KR); Yongjin Choi, Seoul (KR); Minchul Kim, Seoul (KR); Jinseok Park, Seoul (KR); Soohan Eo, Seoul (KR); Semin Jang, Seoul (KR); and Seongwoo An, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Oct. 26, 2021, as Appl. No. 17/511,066.
Application 16/825,558 is a division of application No. 16/449,887, filed on Jun. 24, 2019, granted, now 10,653,290, issued on May 19, 2020.
Application 16/449,887 is a division of application No. 16/059,582, filed on Aug. 9, 2018, granted, now 10,368,715, issued on Aug. 6, 2019.
Application 17/511,066 is a continuation of application No. 16/825,558, filed on Mar. 20, 2020, granted, now 11,185,210.
Application 16/059,582 is a continuation of application No. 15/314,864, granted, now 10,092,161, issued on Oct. 9, 2018, previously published as PCT/KR2015/008586, filed on Aug. 18, 2015.
Claims priority of application No. 10-2014-0109476 (KR), filed on Aug. 22, 2014; application No. 10-2015-0102315 (KR), filed on Jul. 20, 2015; and application No. 10-2015-0102316 (KR), filed on Jul. 20, 2015.
Prior Publication US 2022/0039630 A1, Feb. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A47L 15/42 (2006.01); F04D 29/42 (2006.01); F04D 29/58 (2006.01); A47L 15/00 (2006.01); A47L 15/08 (2006.01); F04D 13/00 (2006.01)
CPC A47L 15/42 (2013.01) [A47L 15/00 (2013.01); A47L 15/08 (2013.01); A47L 15/4225 (2013.01); A47L 15/4234 (2013.01); F04D 13/00 (2013.01); F04D 29/4273 (2013.01); F04D 29/4293 (2013.01); F04D 29/586 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A dishwasher comprising:
a tub configured to receive objects to be washed;
a spray arm configured to spray water to the objects to be washed;
a sump configured to store water;
a supply unit configured to supply steam to the tub;
a pump configured to supply the water stored in the sump to the spray arm, the pump comprising:
a body;
a partition wall configured to divide an interior of the body into a first chamber and a second chamber, the first chamber having an introduction portion communicating with the sump, and the second chamber having a discharge portion communicating with the spray arm;
a communication hole formed through the partition wall to allow the first chamber and the second chamber to communicate with each other;
an impeller provided in the second chamber to make water move to the discharge portion;
a heater configured to heat the water inside the first chamber; and
a steam discharge port configured to discharge steam generated in the first chamber to the supply unit,
wherein the steam discharge port is located in the first chamber at a position higher than the introduction portion.