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Steam Valve And Steam Turbine Facility Provided With Same

Abstract: A steam stop valve (20) is provided with: a valve body (40) that linearly moves in a reciprocating manner in a valve casing (30) and opens/closes a flow passage (33); a valve rod (41) that is connected to the valve body; an actuator (50) that moves the valve rod; and a link mechanism (60) for transmitting an operation of the actuator to the valve rod. The link mechanism (60) has a lever (61), a valve rod link (62), and a valve casing link (63). The rod leading end (52s) of an actuator rod (52) is directly or indirectly pin-joined to the first end (61a) of the lever. The valve rod link is pin-joined to the leading end (41b) of the valve rod and to an intermediate part (61c) of the lever. The valve casing link is pin-joined to the valve casing and to the second end (61b) of the lever.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
11 February 2022
Publication Number
10/2022
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
IPRDEL@LAKSHMISRI.COM
Parent Application
Patent Number
Legal Status
Grant Date
2023-12-26
Renewal Date

Applicants

MITSUBISHI POWER, LTD.
3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa 2208401

Inventors

1. HATA Masaki
c/o Mitsubishi Hitachi Power Systems, Ltd., 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa 2208401
2. ISHIBASHI Yusuke
c/o Mitsubishi Hitachi Power Systems, Ltd., 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa 2208401
3. SUZUKI Fumiyuki
c/o Mitsubishi Hitachi Power Systems, Ltd., 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa 2208401

Specification

Documents

Application Documents

# Name Date
1 202247007477-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [11-02-2022(online)].pdf 2022-02-11
2 202247007477-STATEMENT OF UNDERTAKING (FORM 3) [11-02-2022(online)].pdf 2022-02-11
3 202247007477-REQUEST FOR EXAMINATION (FORM-18) [11-02-2022(online)].pdf 2022-02-11
4 202247007477-POWER OF AUTHORITY [11-02-2022(online)].pdf 2022-02-11
5 202247007477-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [11-02-2022(online)].pdf 2022-02-11
6 202247007477-FORM 18 [11-02-2022(online)].pdf 2022-02-11
7 202247007477-FORM 1 [11-02-2022(online)].pdf 2022-02-11
8 202247007477-DRAWINGS [11-02-2022(online)].pdf 2022-02-11
9 202247007477-DECLARATION OF INVENTORSHIP (FORM 5) [11-02-2022(online)].pdf 2022-02-11
10 202247007477-COMPLETE SPECIFICATION [11-02-2022(online)].pdf 2022-02-11
11 202247007477.pdf 2022-02-12
12 202247007477-Proof of Right [23-02-2022(online)].pdf 2022-02-23
13 202247007477-PA [25-04-2022(online)].pdf 2022-04-25
14 202247007477-ASSIGNMENT DOCUMENTS [25-04-2022(online)].pdf 2022-04-25
15 202247007477-8(i)-Substitution-Change Of Applicant - Form 6 [25-04-2022(online)].pdf 2022-04-25
16 202247007477-FER.pdf 2022-05-09
17 202247007477-FORM 3 [04-07-2022(online)].pdf 2022-07-04
18 202247007477-Information under section 8(2) [14-07-2022(online)].pdf 2022-07-14
19 202247007477-OTHERS [09-08-2022(online)].pdf 2022-08-09
20 202247007477-FER_SER_REPLY [09-08-2022(online)].pdf 2022-08-09
21 202247007477-DRAWING [09-08-2022(online)].pdf 2022-08-09
22 202247007477-CLAIMS [09-08-2022(online)].pdf 2022-08-09
23 202247007477-PatentCertificate26-12-2023.pdf 2023-12-26
24 202247007477-IntimationOfGrant26-12-2023.pdf 2023-12-26

Search Strategy

1 searchstrategy202247007477E_06-05-2022.pdf

ERegister / Renewals

3rd: 19 Jan 2024

From 30/06/2022 - To 30/06/2023

4th: 19 Jan 2024

From 30/06/2023 - To 30/06/2024

5th: 19 Jan 2024

From 30/06/2024 - To 30/06/2025

6th: 14 May 2025

From 30/06/2025 - To 30/06/2026