US 12,264,427 B2
Automatic detergent supply apparatus and washing machine having the same
Yong Kwon Kim, Suwon-si (KR); Kyung Mok Yoo, Gumi-si (KR); Seon Ju Lee, Seoul (KR); Chul Yong Cho, Seoul (KR); and Jong Su Jeon, Seongnam-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Apr. 18, 2023, as Appl. No. 18/136,069.
Application 18/136,069 is a continuation of application No. 17/339,238, filed on Jun. 4, 2021, granted, now 11,661,697.
Application 17/339,238 is a continuation of application No. 16/848,431, filed on Apr. 14, 2020, granted, now 11,053,627, issued on Jul. 6, 2021.
Application 16/848,431 is a continuation of application No. 15/369,018, filed on Dec. 5, 2016, granted, now 10,711,385, issued on Jul. 14, 2020.
Application 15/369,018 is a continuation of application No. 14/902,844, granted, now 10,815,604, issued on Oct. 27, 2020, previously published as PCT/KR2014/005765, filed on Jun. 27, 2014.
Claims priority of application No. 10-2013-0077669 (KR), filed on Jul. 3, 2013; application No. 10-2014-0015709 (KR), filed on Feb. 11, 2014; and application No. 10-2014-0079825 (KR), filed on Jun. 27, 2014.
Prior Publication US 2023/0250573 A1, Aug. 10, 2023
Int. Cl. D06F 39/02 (2006.01); D06F 37/04 (2006.01)
CPC D06F 39/02 (2013.01) [D06F 37/04 (2013.01); D06F 39/022 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A washing machine comprising:
a tub arranged within a body of the washing machine;
a circulation pump to circulate water in and out of the tub;
a circulation path to connect the circulation pump and the tub to circulate the water by an operation of the circulation pump;
a washing product container including:
a first accommodating portion adapted for storing a first washing product, and
a second accommodating portion adapted for storing a second washing product;
a washing product supply pump including:
a first chamber connected to the first accommodating portion so as to cause the first washing product stored in the first accommodating portion to be ejected from the first accommodating portion and received in the first chamber without operation of the washing product supply pump, and stored in the first chamber, before the washing product supply pump operates to pump the received first washing product out of the first chamber, and
a second chamber connected to the second accommodating portion so as to cause the second washing product stored in the second accommodating portion to be ejected from the second accommodating portion and received in the second chamber without operation of the washing product supply pump, and stored in the second chamber, before the washing product supply pump operates to pump the received second washing product out of the second chamber,
a first washing product supply pipe connected between the first chamber and the circulation path;
a second washing product supply pipe connected between the second chamber and the circulation path;
a sensor portion measuring whether the first washing product and the second washing product are present in at least one of the first chamber and the second chamber,
a piston member provided to apply pressure to an inside of the first chamber and an inside of the second chamber,
wherein the piston member is selectively operable to
supply the received first washing product through the first washing product supply pipe to the circulation path based on the sensor measurements, and
supply the received second washing product through the second washing product supply pipe to the circulation path based on the sensor measurements.