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Seal Device
Abstract: This seal device comprises: a movable seal ring arranged so as to be deformable in the radial direction, in a state of facing an outer peripheral surface of a rotor of a steam turbine capable of rotating around the axis; a first elastic member provided to each of end surfaces of the movable seal ring in the circumferential direction; and a second elastic member that is provided to an intermediate position in the circumferential direction of the movable seal ring and urges the movable seal ring outward in the radial direction.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
30 March 2023
Publication Number
47/2023
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Applicants
MITSUBISHI HEAVY INDUSTRIES, LTD.
2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo
1008332
Inventors
1. TAKEI Norihisa
c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo
1008332
2. UEHARA Hidekazu
c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo
1008332
3. HORI Takumi
c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo
1008332
4. OZAKI Kohei
c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo
1008332
5. YOSHIDA Azumi
c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo
1008332
6. KAWANO Masaya
c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo
1008332
7. NISHIMOTO Shin
c/o Mitsubishi Power, Ltd., 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa
2208401
8. FURUSHO Tatsuro
c/o Mitsubishi Power, Ltd., 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa
2208401
9. OKUMURA Shintaro
c/o Mitsubishi Power, Ltd., 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa
2208401
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317023964.pdf | 2023-03-30 |
| 2 | 202317023964-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [30-03-2023(online)].pdf | 2023-03-30 |
| 3 | 202317023964-STATEMENT OF UNDERTAKING (FORM 3) [30-03-2023(online)].pdf | 2023-03-30 |
| 4 | 202317023964-REQUEST FOR EXAMINATION (FORM-18) [30-03-2023(online)].pdf | 2023-03-30 |
| 5 | 202317023964-POWER OF AUTHORITY [30-03-2023(online)].pdf | 2023-03-30 |
| 6 | 202317023964-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [30-03-2023(online)].pdf | 2023-03-30 |
| 7 | 202317023964-FORM 18 [30-03-2023(online)].pdf | 2023-03-30 |
| 8 | 202317023964-FORM 1 [30-03-2023(online)].pdf | 2023-03-30 |
| 9 | 202317023964-DRAWINGS [30-03-2023(online)].pdf | 2023-03-30 |
| 10 | 202317023964-DECLARATION OF INVENTORSHIP (FORM 5) [30-03-2023(online)].pdf | 2023-03-30 |
| 11 | 202317023964-COMPLETE SPECIFICATION [30-03-2023(online)].pdf | 2023-03-30 |
| 12 | 202317023964-Proof of Right [25-04-2023(online)].pdf | 2023-04-25 |
| 13 | 202317023964-Others-240523.pdf | 2023-07-01 |
| 14 | 202317023964-Correspondence-240523.pdf | 2023-07-01 |
| 15 | 202317023964-FORM 3 [25-08-2023(online)].pdf | 2023-08-25 |
| 16 | 202317023964-FORM 3 [25-08-2023(online)]-2.pdf | 2023-08-25 |
| 17 | 202317023964-FORM 3 [25-08-2023(online)]-1.pdf | 2023-08-25 |
| 18 | 202317023964-Others-250823.pdf | 2023-10-07 |
| 19 | 202317023964-Correspondence-250823.pdf | 2023-10-07 |