Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020109172 - PROTECTION SYSTEM FOR A RAILWAY ELECTRIFICATION SYSTEM AND METHOD OF OPERATING


Disclaimer The image version (PDF) available on PATENTSCOPE is the official version. This online html version is provided to assist users. Despite the great care taken in its compilation to ensure a precise and accurate representation of the data appearing on the printed document/images, errors and/or omissions cannot be excluded due to the data transmittal, conversion and inherent limitations of the (optional) machine translation processes used. Hyperlinks followed by this symbol , are to external resources that are not controlled by WIPO. WIPO disclaims all liability regarding the above points.

INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/EP2019/082276 2018P22229WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
22 November 2019 29 November 2018
Applicant
SIEMENS MOBILITY LIMITED
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
b.
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
c.
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
PROTECTION SYSTEM FOR A RAILWAY ELECTRIFICATION SYSTEM AND METHOD OF OPERATING

5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.

Protection system for a railway electrification system, comprising: a substation controllers operable to provide fault detection functionality for the conductor sections at the substations; circuit breakers at the substations, operable to disconnect a conductor section at the substation under the control of a substation controller; a network connection between adjacent substations by which the substation controllers can distribute protection control signals from one to the next, in order to operate a circuit breaker in the adjacent substation in the response to a detected fault, characterised by, a network connection between the substations and the power converters, by which the substation controllers can distribute protection control signals to the power converters; and power converter controllers operable to perform protection functions at the power converters, in response to a protection control signal received from a substation over the network connection between the substation and the power converter.


6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     1    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     H02H 7/26 (2006.01)i; H02M 1/32 (2007.01)i; B60M 3/00 (2006.01)i; H02H 3/02 (2006.01)n
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
     H02H; H02M; B60M
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
DE 10139318 A1 (SIEMENS AG [DE]) 27 February 2003 (2003-02-27)
1,4-6
Y
paragraphs [0011], [0018], [0023], [0067]
2,3,7-14
figures 1, 2
(2)
Y
CN 108777475 A (TIANJIN KEYVIA ELECTRIC CO LTD ET AL.) 09 November 2018 (2018-11-09)
2,3,7-14
paragraphs [0033] - [0034]
figure 1
(3)
A
CN 203186126 U (UNIV JIAOTONG SOUTHWEST) 11 September 2013 (2013-09-11)
1,9
figures 3, 4
(4)
A
DE 102015202243 A1 (SIEMENS AG [DE]) 11 August 2016 (2016-08-11)
1,9
paragraph [0022] - paragraph [0042]
figure 1
(5)
A
DE 102015203843 A1 (SIEMENS AG [DE]) 08 September 2016 (2016-09-08)
1,9
paragraphs [0011], [0036]
figures 1, 2
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"D"
document cited by the applicant in the international application
"E"
earlier application or patent but published on or after the international filing date
"L"
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
"X"
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
"Y"
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
"&"
document member of the same patent family

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
DE 10139318 A1
27 February 2003
CN 1405572 A
DE 10139318 A1
JP 3927468 B2
JP 2003153431 A
US 2004078710 A1
26 March 2003
27 February 2003
06 June 2007
23 May 2003
22 April 2004
CN 108777475 A
09 November 2018
NONE
CN 203186126 U
11 September 2013
NONE
DE 102015202243 A1
11 August 2016
BR 112017016397 A2
DE 102015202243 A1
EP 3231075 A1
RU 2669786 C1
WO 2016128162 A1
27 March 2018
11 August 2016
18 October 2017
16 October 2018
18 August 2016
DE 102015203843 A1
08 September 2016
NONE
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Netherlands
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
11 March 2020
Date of mailing of the international search report:
20 March 2020
Authorized officer:
Hillmayr, Heinrich
Top    Part 1: 1 2 3 4 5 6         Part 2: A B C D E