Title:
VENTILATION DEVICE
Document Type and Number:
Japanese Patent JP2022116916
Kind Code:
A
Abstract:
To solve a problem that a failure such as shortening of a life of a bearing of an indoor fan motor and the like may occur when a rotation speed of an indoor fan becomes lower than a predetermined rotation speed.SOLUTION: An indoor machine 3 is equipped with a fan, a casing 39, a first horizontal flap 35a1, a second horizontal flap 35a2, and an indoor control portion. The casing 39 stores the fan, and is formed with an outlet blowing out air by the fan. The indoor control portion performs opening/closing control to be in a first state when it is necessary to decrease an amount of air blown out from the outlet. In the first state, the first horizontal flap 35a1 takes a posture opening a first part 39b1 of the outlet, and the second horizontal flap 35a2 takes a posture closing a second part 39b2 of the outlet or takes a posture similar to the closing posture.SELECTED DRAWING: Figure 6
Inventors:
NAKAI SATOSHI
YAMASHITA TETSUYA
KONISHI HIDEAKI
YAMASHITA TETSUYA
KONISHI HIDEAKI
Application Number:
JP2021013344A
Publication Date:
August 10, 2022
Filing Date:
January 29, 2021
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
F24F13/14; F04D17/04; F24F1/0011; F24F11/79
Domestic Patent References:
| JP2001116327A | 2001-04-27 | |||
| JP2001227805A | 2001-08-24 | |||
| JPH05196292A | 1993-08-06 | |||
| JPS5664246A | 1981-06-01 | |||
| JP2010164268A | 2010-07-29 |
Foreign References:
| CN211345519U | 2020-08-25 | |||
| CN211822783U | 2020-10-30 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation
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