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Propeller Fan, Air Sending Device, And Refrigeration Cycle Device
Abstract: A propeller fan (100) includes a shaft portion (11) disposed on a rotation axis (R), and a blade (20) disposed on an outer peripheral side of the shaft portion (11) and including a leading edge (21) and a trailing edge (22). The blade (20) includes a negative pressure surface (20a) in which a plurality of recesses (30, 30a, 30b, 30c, 30d, 30e) are formed, and the plurality of recesses (30, 30a, 30b, 30c, 30d, 30e) include a first recess (30a) and a second recess (30c) disposed on the trailing edge (22) side than the first recess (30a) in a circumferential direction about the rotation axis (R) as a center. The first recess (30a) has a depth larger than a depth of the second recess (30c). Fig. 2
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
24 June 2021
Publication Number
27/2021
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
patent@depenning.com
Parent Application
Patent Number
Legal Status
Grant Date
2024-03-08
Renewal Date
Applicants
MITSUBISHI ELECTRIC CORPORATION
7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan
Inventors
1. TERAMOTO, Takuya
c/o Mitsubishi Electric Corporation, 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan
2. TADOKORO, Takahide
c/o Mitsubishi Electric Corporation, 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan
3. YAMAMOTO, Katsuyuki
c/o Mitsubishi Electric Corporation, 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan
4. ITO, Hiroya
c/o Mitsubishi Electric Corporation, 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan
5. UGAJIN, Yuki
c/o Mitsubishi Electric Corporation, 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan
6. HAMADA, Shingo
c/o Mitsubishi Electric Corporation, 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan
7. IKEDA, Takashi
c/o Mitsubishi Electric Corporation, 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan
8. ABE, Takafumi
c/o Mitsubishi Electric Corporation, 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan
Specification
Claims:Please find attached , Description:Please find attached
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202148028357-IntimationOfGrant08-03-2024.pdf | 2024-03-08 |
| 1 | 202148028357-STATEMENT OF UNDERTAKING (FORM 3) [24-06-2021(online)].pdf | 2021-06-24 |
| 2 | 202148028357-PatentCertificate08-03-2024.pdf | 2024-03-08 |
| 2 | 202148028357-REQUEST FOR EXAMINATION (FORM-18) [24-06-2021(online)].pdf | 2021-06-24 |
| 3 | 202148028357-PROOF OF RIGHT [24-06-2021(online)].pdf | 2021-06-24 |
| 3 | 202148028357-PETITION UNDER RULE 137 [07-03-2024(online)].pdf | 2024-03-07 |
| 4 | 202148028357-FORM 18 [24-06-2021(online)].pdf | 2021-06-24 |
| 4 | 202148028357-2. Marked Copy under Rule 14(2) [06-03-2024(online)].pdf | 2024-03-06 |
| 5 | 202148028357-FORM 3 [06-03-2024(online)].pdf | 2024-03-06 |
| 5 | 202148028357-FORM 1 [24-06-2021(online)].pdf | 2021-06-24 |
| 6 | 202148028357-Retyped Pages under Rule 14(1) [06-03-2024(online)].pdf | 2024-03-06 |
| 6 | 202148028357-DRAWINGS [24-06-2021(online)].pdf | 2021-06-24 |
| 7 | 202148028357-Written submissions and relevant documents [06-03-2024(online)].pdf | 2024-03-06 |
| 7 | 202148028357-DECLARATION OF INVENTORSHIP (FORM 5) [24-06-2021(online)].pdf | 2021-06-24 |
| 8 | 202148028357-Correspondence to notify the Controller [16-02-2024(online)].pdf | 2024-02-16 |
| 8 | 202148028357-COMPLETE SPECIFICATION [24-06-2021(online)].pdf | 2021-06-24 |
| 9 | 202148028357-FORM 3 [25-11-2021(online)].pdf | 2021-11-25 |
| 9 | 202148028357-US(14)-HearingNotice-(HearingDate-20-02-2024).pdf | 2024-01-10 |
| 10 | 202148028357-FORM 3 [10-05-2022(online)].pdf | 2022-05-10 |
| 10 | 202148028357-FORM 3 [27-10-2023(online)].pdf | 2023-10-27 |
| 11 | 202148028357-Correspondence_Form 26_24-04-2023.pdf | 2023-04-24 |
| 11 | 202148028357-FORM 3 [14-06-2022(online)].pdf | 2022-06-14 |
| 12 | 202148028357-ABSTRACT [18-04-2023(online)].pdf | 2023-04-18 |
| 12 | 202148028357-FER.pdf | 2022-10-18 |
| 13 | 202148028357-CLAIMS [18-04-2023(online)].pdf | 2023-04-18 |
| 13 | 202148028357-FORM 3 [14-12-2022(online)].pdf | 2022-12-14 |
| 14 | 202148028357-DRAWING [18-04-2023(online)].pdf | 2023-04-18 |
| 14 | 202148028357-OTHERS [18-04-2023(online)].pdf | 2023-04-18 |
| 15 | 202148028357-FER_SER_REPLY [18-04-2023(online)].pdf | 2023-04-18 |
| 15 | 202148028357-Information under section 8(2) [18-04-2023(online)].pdf | 2023-04-18 |
| 16 | 202148028357-FORM 3 [18-04-2023(online)].pdf | 2023-04-18 |
| 16 | 202148028357-FORM-26 [18-04-2023(online)].pdf | 2023-04-18 |
| 17 | 202148028357-FORM-26 [18-04-2023(online)].pdf | 2023-04-18 |
| 17 | 202148028357-FORM 3 [18-04-2023(online)].pdf | 2023-04-18 |
| 18 | 202148028357-FER_SER_REPLY [18-04-2023(online)].pdf | 2023-04-18 |
| 18 | 202148028357-Information under section 8(2) [18-04-2023(online)].pdf | 2023-04-18 |
| 19 | 202148028357-DRAWING [18-04-2023(online)].pdf | 2023-04-18 |
| 19 | 202148028357-OTHERS [18-04-2023(online)].pdf | 2023-04-18 |
| 20 | 202148028357-CLAIMS [18-04-2023(online)].pdf | 2023-04-18 |
| 20 | 202148028357-FORM 3 [14-12-2022(online)].pdf | 2022-12-14 |
| 21 | 202148028357-ABSTRACT [18-04-2023(online)].pdf | 2023-04-18 |
| 21 | 202148028357-FER.pdf | 2022-10-18 |
| 22 | 202148028357-Correspondence_Form 26_24-04-2023.pdf | 2023-04-24 |
| 22 | 202148028357-FORM 3 [14-06-2022(online)].pdf | 2022-06-14 |
| 23 | 202148028357-FORM 3 [10-05-2022(online)].pdf | 2022-05-10 |
| 23 | 202148028357-FORM 3 [27-10-2023(online)].pdf | 2023-10-27 |
| 24 | 202148028357-US(14)-HearingNotice-(HearingDate-20-02-2024).pdf | 2024-01-10 |
| 24 | 202148028357-FORM 3 [25-11-2021(online)].pdf | 2021-11-25 |
| 25 | 202148028357-Correspondence to notify the Controller [16-02-2024(online)].pdf | 2024-02-16 |
| 25 | 202148028357-COMPLETE SPECIFICATION [24-06-2021(online)].pdf | 2021-06-24 |
| 26 | 202148028357-Written submissions and relevant documents [06-03-2024(online)].pdf | 2024-03-06 |
| 26 | 202148028357-DECLARATION OF INVENTORSHIP (FORM 5) [24-06-2021(online)].pdf | 2021-06-24 |
| 27 | 202148028357-Retyped Pages under Rule 14(1) [06-03-2024(online)].pdf | 2024-03-06 |
| 27 | 202148028357-DRAWINGS [24-06-2021(online)].pdf | 2021-06-24 |
| 28 | 202148028357-FORM 3 [06-03-2024(online)].pdf | 2024-03-06 |
| 28 | 202148028357-FORM 1 [24-06-2021(online)].pdf | 2021-06-24 |
| 29 | 202148028357-FORM 18 [24-06-2021(online)].pdf | 2021-06-24 |
| 29 | 202148028357-2. Marked Copy under Rule 14(2) [06-03-2024(online)].pdf | 2024-03-06 |
| 30 | 202148028357-PROOF OF RIGHT [24-06-2021(online)].pdf | 2021-06-24 |
| 30 | 202148028357-PETITION UNDER RULE 137 [07-03-2024(online)].pdf | 2024-03-07 |
| 31 | 202148028357-PatentCertificate08-03-2024.pdf | 2024-03-08 |
| 31 | 202148028357-REQUEST FOR EXAMINATION (FORM-18) [24-06-2021(online)].pdf | 2021-06-24 |
| 32 | 202148028357-IntimationOfGrant08-03-2024.pdf | 2024-03-08 |
| 32 | 202148028357-STATEMENT OF UNDERTAKING (FORM 3) [24-06-2021(online)].pdf | 2021-06-24 |
Search Strategy
| 1 | 202148028357SearchStrategyE_09-08-2021.pdf |