US 11,885,422 B2
Double sealing check valve for rice cooker
Suk Kim, Yangsan-si (KR); Won Joo Kim, Yangsan-si (KR); and You Jin Shin, Yangsan-si (KR)
Assigned to Cuckoo Electronics Co., Ltd.
Filed by Cuckoo Electronics Co., Ltd., Gyeongsangnam-do (KR)
Filed on Sep. 7, 2022, as Appl. No. 17/939,213.
Claims priority of application No. 10-2021-0120988 (KR), filed on Sep. 10, 2021.
Prior Publication US 2023/0081883 A1, Mar. 16, 2023
Int. Cl. A47J 27/09 (2006.01); F16K 15/06 (2006.01)
CPC F16K 15/066 (2013.01) [A47J 27/09 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A double sealing check valve for a rice cooker that is mounted on a lid of a rice cooker to prevent leakage of steam generated during cooking, the double sealing check valve comprising:
an upper part having a plate shape and including a water supply portion;
a check valve opening and closing the water supply portion of the upper part by a vertical movement;
a lower part coupled to the upper part, allowing the check valve to be installed to be movable up and down therein, and having a flow path and a water outlet portion to allow water introduced through the water supply portion to be discharged; and
an elastic member having both ends fixed to the upper part check valve and the lower part respectively and pressing the check valve in a direction in which the check valve closes the water supply portion,
wherein the check valve includes a first part opening and closing the water supply portion of the upper part and a second part opening and closing the water outlet portion of the lower part.