Hair dryer

Patent metadata

Field	Value
Publication number	US-2021353032-A1
Application number	US-202017078311-A
Country	US
Kind code	A1
Filing date	Oct 23, 2020
Priority date	May 12, 2020
Publication date	Nov 18, 2021
Grant date	—

Abstract

A hair dryer is provided that may include a main body, a handle, a flow path, and a fan. The handle may include a handle case having an inner space for forming the flow path and configured to form an exterior of the handle, and a handle frame that extends from the main body in a downward direction so as to be disposed in the inner space of the handle case. The fan may be coupled to the handle frame and spaced apart from an inner circumferential surface of the handle case.

First claim

What is claimed is:

1 . A hair dryer comprising:
a main body including a discharge outlet that discharges fluid externally; a handle that extends from the main body in a downward direction and including an inlet through which fluid is drawn in from outside; a flow path that extends from the inlet to the discharge outlet along which the fluid flows; and a fan provided within the handle and disposed in the flow path to force the gas to flow, wherein the handle comprises a handle case having an inner space that forms the flow path and configured to form an exterior of the handle and a handle frame that extends from the main body in the downward direction so as to be disposed in the inner space of the handle case, and wherein the fan is coupled to the handle frame and spaced apart from an inner circumferential surface of the handle case.

2 . The hair dryer of claim 1 , wherein the handle frame comprises a top coupling portion provided at a top end of the handle frame, and wherein the handle frame is coupled to the main body by the top coupling portion and inserted into the inner space of the handle case through an open top surface of the handle case.

3 . The hair dryer of claim 2 , wherein the handle case is formed by injection molding so as to have the inner space and the open top surface.

4 . The hair dryer of claim 3 , wherein the handle frame comprises a plurality of divided bodies divided along a circumferential direction, wherein a predetermined one of the plurality of the divided bodies includes the top coupling portion, and wherein the rest of the plurality of divided bodies is coupled to the predetermined divided body below the top coupling portion.

5 . The hair dryer of claim 2 , wherein the top coupling portion is configured in a ring shape that extends along a circumferential direction of the handle and configured to enable the fluid to flow thereinside.

6 . The hair dryer of claim 3 , wherein the handle frame further include a fan coupling portion spaced apart from the top coupling portion in the downward direction, configured in a ring shape that extends along the circumferential direction, and having the fan coupled thereinside.

7 . The hair dryer of claim 6 , further comprising a plurality of top connecting portions provided between the top coupling portion and the fan coupling portion, spaced apart from each other along the circumferential direction, and connecting the top coupling portion and the fan coupling portion together.

8 . The hair dryer of claim 6 , wherein the handle frame further comprises a bottom coupling portion spaced apart from the fan coupling portion in the downward direction and coupled to the handle case.

9 . The hair dryer of claim 8 , wherein the inlet is provided in an outer circumferential surface of the handle case and located below the bottom coupling portion.

10 . The hair dryer of claim 9 , wherein the handle case comprises a frame coupling portion that projects from the inner circumferential surface of the handle case and coupled to the bottom connecting portion.

11 . The hair dryer of claim 10 , further comprising:
a filter inserting portion provided at a bottom surface of the handle case; and a filter inserted into the handle case through the filter inserting portion to filter the fluid flowing in through the inlet.

12 . The hair dryer of claim 11 , wherein the frame coupling portion is coupled to the bottom coupling portion in an upward direction and coupled to the filter in the downward direction.

13 . The hair dryer of claim 10 , wherein the frame coupling portion and the bottom coupling portion have a ring shape that extends along the circumferential direction so that the fluid flowing in through the inlet flows to the fan by passing through an inside thereof.

14 . The hair dryer of claim 10 , wherein the handle frame further comprises a flow stabilizer provided between the bottom coupling portion and the fan and configured in a pipe shape to stabilize a flow of fluid passing thereinside.

15 . The hair dryer of claim 14 , wherein the flow stabilizer extends from the bottom coupling portion in the upward direction, and wherein the handle frame further comprises a plurality of bottom connecting portions provided between the fan coupling portion and the flow stabilizer spaced apart from each other along the circumferential direction, and connecting the fan coupling portion and the flow stabilizer to each other.

16 . The hair dryer of claim 14 , wherein the flow stabilizer comprises:
an inner diameter decreasing portion that extends from the bottom connecting portion in an upward direction and configured to have an inner diameter that decreases as it extends away from the bottom coupling portion; and an inner diameter increasing portion that extends from the inner diameter decreasing portion in the upward direction and configured to have an inner diameter that increases as it extends away from the inner diameter decreasing portion.

17 . The hair dryer of claim 14 , wherein an outer circumferential surface of the flow stabilizer is spaced apart from the inner circumferential surface of the handle case so that a sound absorbing space is formed between the flow stabilizer and the inner circumferential surface of the handle case.

18 . The hair dryer of claim 17 , wherein a bottom end of the fan projects from the fan coupling portion in the downward direction and is spaced apart from the inner circumferential surface of the handle case, and wherein the sound absorbing space includes a space between the fan and the handle case.

19 . The hair dryer of claim 18 , wherein the flow stabilizer is spaced apart from the fan in the downward direction, and wherein an open region that communicates with the flow path between the flow stabilizer and the fan is formed in the sound absorbing space.

20 . A hair dryer, comprising:
a main body configured to discharge fluid externally; a handle that extends from the main body and configured to enable fluid to flow therein; and a fan provided within the handle and configured to force the fluid flowing in the handle to flow toward the main body, wherein the handle comprises a handle frame having a top end coupled to the main body and a handle case configured to receive the handle frame thereinside, and wherein the fan is received in the handle frame so as to be spaced apart from the handle case.

Assignees

• Lg Electronics Inc

Inventors

• MIN Kyungseok
• Oh Hyunjoo
• Ahn Kwangwoon
• Kim Jounyoung

Classifications

• F04D29/661

  especially adapted for elastic fluid pumps · CPC title

• F04D29/522

  especially adapted for elastic fluid pumps · CPC title

• F04D29/701

  especially adapted for elastic fluid pumps · CPC title

• A45D20/12 Primary

  Details thereof or accessories therefor, e.g. nozzles, stands · CPC title

• A45D20/26 Primary

  Guiding the air; Controlling the air quantity · CPC title