IP Library › Granted Patent US 12,650,133
Granted Patent B2
US 12,650,133 · App. 19/325,260 · Granted Jun 9, 2026

Fan component, fan, fan unit, air conditioner, heat pump device, and method for manufacturing fan component

Inventors: Takahiro Yamasaki (Osaka, JP); Hironobu Teraoka (Osaka, JP); Kaname Maruyama (Osaka, JP); Zuozhou Chen (Osaka, JP); Hideaki Konishi (Osaka, JP); Satoshi Nakai (Osaka, JP); Yuki Yamashita (Osaka, JP); Ryusuke Otaguro (Osaka, JP)
Assignee: DAIKIN INDUSTRIES, LTD.
F04D29/663F04D19/002F04D29/023
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,650,133
App. No.
19/325,260
Granted
Jun 9, 2026
Kind
B2
Abstract

A fan component includes a porous member having multiple pores and a plastic member molded integrally with the porous member. The melt flow rate (MFR) of a plastic forming the plastic member is in a range of 2 g/10 min to 45 g/10 min. Some of the pores are filled with the plastic.

Claims (36)

1 . A fan component, comprising:

a porous member having multiple pores, the porous member having a flow resistance in a range of 0.5 kPa to 1.1 kPa; and

a plastic member molded integrally with the porous member,

a plastic forming the plastic member having a melt flow rate (MFR) in a range of 2 g/10 min to 45 g/10 min, and

some of the pores being filled with the plastic.

2 . The fan component according to claim 1 , wherein

the melt flow rate (MFR) of the plastic is in a range of 5 g/10 min to 40 g/10 min.

3 . The fan component according to claim 2 , wherein

the melt flow rate (MFR) of the plastic is in a range of 5 g/10 min to 35 g/10 min.

4 . The fan component according to claim 1 , wherein

the porous member has a porosity in a range of 20% to 90%, and

the porous member has a pore diameter in a range of 50 μm to 500 μm.

5 . The fan component according to claim 4 , wherein

the porosity of the porous member is in a range of 30% to 90%, and

the pore diameter of the porous member is in a range of 90 μm to 300 μm.

6 . The fan component according to claim 1 , wherein

the porous member includes a filled-pore portion, and

the pores in the filled-pore portion of the porous member are filled with the plastic.

7 . The fan component according to claim 1 , wherein

the porous member includes a central portion and a peripheral portion located around the central portion, and

the peripheral portion has a flow resistance that differs from a flow resistance of the central portion.

8 . A fan including the fan component according to claim 1 .

9 . A fan unit including the fan according to claim 8 , the fan unit further comprising:

a bellmouth.

10 . An air conditioner including the fan unit according to claim 9 .

11 . A heat pump device including the fan unit according to claim 9 .

12 . A fan component, comprising:

a porous member; and

a plastic member molded integrally with the porous member,

the porous member having a porosity in a range of 20% to 90%, and

the porous member having a pore diameter in a range of 50 μm to 500 μm,

the porous member including a central portion and a peripheral portion located around the central portion, and

the peripheral portion having a flow resistance that is greater than a flow resistance of the central portion.

13 . A method for manufacturing a fan component including a porous member having multiple pores and a plastic member molded integrally with the porous member, the method comprising:

forming the porous member to have a flow resistance in a range of 0.5 kPa to 1.1 kPa; and

molding the plastic member integrally with the porous member by performing insert molding on the porous member with a plastic having a melt flow rate (MFR) in a range of 2 g/10 min to 45 g/10 min.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 10, 2025
From: YAMASAKI, TAKAHIRO; TERAOKA, HIRONOBU; MARUYAMA, KANAME; CHEN, ZUOZHOU; KONISHI, HIDEAKI; NAKAI, SATOSHI; YAMASHITA, YUKI; OTAGURO, RYUSUKE
To: DAIKIN INDUSTRIES, LTD.
Reel/Frame 072217/0186 →
Priority Claims (2)
JP 2023-059491 · Mar 31, 2023 · national
JP 2023-167785 · Sep 28, 2023 · national
Continuity (2)
Continuation PCTJP2024012925 · Mar 28, 2024
Related Publication 20260009405A1 · Jan 8, 2026
References Cited (16)
US 5257902A · Atarashi · 1993 [cited by examiner]
US 11713686B2 · Taylor · 2023 [cited by examiner]
US 20170089360A1 · Yang · 2017 [cited by examiner]
US 20200300327A1 · Oda · 2020 [cited by examiner]
US 20220389939A1 · Hakuta · 2022 [cited by examiner]
JP 412199A · 1992 [cited by applicant]
JP H0412199B2 · 1992 [cited by examiner]
JP 625597U · 1994 [cited by applicant]
JP 200552234A · 2005 [cited by applicant]
JP 2005052234A · 2005 [cited by examiner]
JP 2005155437A · 2005 [cited by applicant]
JP 2021134751A · 2021 [cited by applicant]
Kato et al., “Blower and Heat Pump Utilizing said Blower,” WO 2010053037, Wipo, May 14, 2010 (Year: 2010). [cited by examiner]
International Search Report of corresponding PCT Application No. PCT/JP2024/012925 dated Jun. 18, 2024. [cited by applicant]
European Search Report of corresponding EP Application No. 24 74 7970.2 dated May 12, 2025. [cited by applicant]
Written Opinion of corresponding PCT Application No. PCT/JP2024/012925 dated Jun. 18, 2024. [cited by applicant]