公开(公告)号：US12163730B2

公开(公告)日：2024-12-10

申请号：US17982962

申请日：2022-11-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seyeun Chang ,  Sihoon Lee ,  Hosang Park ,  Jungeun Park ,  Jinhong Yu ,  Wonho Jang ,  Jisick Hwang

IPC: F25D25/02 ,  F25C5/18 ,  F25D23/06 ,  F25C1/24 ,  F25C5/182 ,  F25C5/20 ,  F25D23/12

Abstract: A refrigerator includes: a main body; a storage room formed inside the main body; an ice maker fixed to the main body, and inside the storage room; and a drawer accommodated in the storage room and configured to be withdrawable in a front direction with respect to the main body to open or close the storage room, wherein the drawer includes: a basket including an ice-making room formed therein and below the ice maker and a top portion opened; and a cover assembly in front of the ice maker and configured to cover the opened top portion of the ice-making room together with the ice maker, the cover assembly comprising a plurality of covers slidingly coupled with the basket and extendable when the basket is pulled out so that the plurality of covers changes in length along the front direction in which the basket is pulled out.

公开(公告)号：US11821871B2

公开(公告)日：2023-11-21

申请号：US17141456

申请日：2021-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kwangmin Park ,  Sihoon Lee ,  Jaeheung Lim ,  Jeongho Park

IPC: G01N29/02 ,  G01N29/24

CPC classification number: G01N29/022 ,  G01N29/2437 ,  G01N2291/021

Abstract: A gas sensor includes a piezoelectric substrate; a resonator in an electrode region on an upper surface of the piezoelectric substrate, the resonator including interdigital transducer (IDT) electrodes and IDT pads connected to the IDT electrodes, the IDT electrodes configured to generate a surface acoustic wave in a center region of the electrode region, the surface acoustic wave propagating in a first horizontal direction; a sensing film in the center region of the electrode region on the upper surface of the piezoelectric substrate, the sensing film including a sensing material that interacts with a target gas; and a heater in an edge region surrounding the electrode region on the upper surface of the piezoelectric substrate, the heater including heater electrodes configured to heat the sensing film and heater pads connected to the heater electrodes, the heater electrodes and the heater pads forming a closed conduction loop.