US 11,454,416 B2Granted

Middle air duct of air conditioner and air conditioner

AssigneeGd Midea Air-Conditioning Equipment Co., Ltd.

InventorsChanglin Yan, Liangrui Chen, Hongliang Yuan, Zhiqiang Liu, Xianyou Mao, Daijie Peng, Zhiqiang Yang, Liang Shen

Life of this patent

Estimating the term…

Loading patent…

Abstract

An air duct having first to third air ducts, each of the first to third air ducts has a duct structure having a first end and a second end, the duct structure of the each of the first to third air ducts are separable from each other, a cross sectional area of the first end is greater than a cross sectional area of the second end, a plurality of cross sectional areas between the first end and the second end decrease progressively from the first end to the second end, and the first to third air ducts are communicated successively in a direction such that the second end of the duct structure of the third air duct is arranged closer to the second end of the duct structure of the first air duct and further from the first end of the duct structure of the first air duct.

Claims18

Dependent claims

An air duct of an air conditioner, the air duct comprising:

a first air duct, a second air duct and a third air duct,
wherein each of the first air duct, the second air duct and the third air duct comprises a duct structure having a first end and a second end,
wherein the duct structure of the each of the first air duct, the second air duct and the third air duct are separable from each other,
wherein for the each of the first air duct, the second air duct and the third air duct:
a cross sectional area of the first end is greater than a cross sectional area of the second end;
and
a plurality of cross sectional areas between the first end and the second end decrease progressively from the first end to the second end,
wherein the first air duct, the second air duct and the third air duct are communicated successively in a predetermined direction such that the second end of the duct structure of the third air duct is arranged closer to the second end of the duct structure of the first air duct and further from the first end of the duct structure of the first air duct,
wherein the second air duct further comprises a mounting column provided on the first end of the duct structure of the second air duct,
wherein the first air duct further comprises a fixing sleeve provided on the second end of the duct structure of the first air duct,
wherein the mounting column is configured to stretch into the fixing sleeve, and
wherein the mounting column and the fixing sleeve are configured to receive a fastener to attach the first air duct to the second air duct.

9 more elements

An air duct of an air conditioner, the air duct comprising:

a first air duct, a second air duct and a third air duct,
wherein each of the first air duct, the second air duct and the third air duct comprises a duct structure having a first end and a second end,
wherein the duct structure of the each of the first air duct, the second air duct and the third air duct are separable from each other,
wherein for the each of the first air duct, the second air duct and the third air duct:
a cross sectional area of the first end is greater than a cross sectional area of the second end;
and
a plurality of cross sectional areas between the first end and the second end decrease progressively from the first end to the second end,
wherein the first air duct, the second air duct and the third air duct are communicated successively in a predetermined direction such that the second end of the duct structure of the third air duct is arranged closer to the second end of the duct structure of the first air duct and further from the first end of the duct structure of the first air duct,
wherein the second air duct further comprises one of a pair of mounting plates provided on the second end of the duct structure of the second air duct,
wherein the third air duct further comprises another of the pair of mounting plates provided on the second end of the duct structure of the third air duct, and
wherein the pair of mounting plates are fixed to each other to attach the second air duct to the third air duct.

8 more elements

Dependencies are inferred from the claim text.