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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/US2018/045264 JVSPP075WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
03 August 2018 03 August 2017
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)).
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)).
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:
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.
6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     8    
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.
none of the figures is to be published with the abstract.


     F01L 13/00 (2006.01)i; F02D 13/04 (2006.01)i; F02M 26/52 (2016.01)i; F02D 9/08 (2006.01)i; F02B 37/12 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility modelsJapanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: engine braking, counter flow, valve, airflow management, exhaust gas recirculation valve, intake throttle valve, wastegate, exhaust throttle, blow-off valve


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 5437156 A (CUSTER, DENNIS R.) 01 August 1995 See column 1, lines 25-35, column 4, lines 29-37, column 6, lines 15-24 and figure 1.
US 2002-0023619 A1 (JANAK et al.) 28 February 2002 See paragraph [0051] and figure 1.
US 5410882 A (DAVIES et al.) 02 May 1995 See column 5, lines 10-33, column 6, lines 22-29 and figures 1, 11.
US 2008-0216795 A1 (DIETZ et al.) 11 September 2008 See paragraph [0019] and figure.
US 2014-0034010 A1 (TULA TECHNOLOGY, INC.) 06 February 2014 See paragraph [0009] an figure 1.
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
earlier application or patent but published on or after the international filing date
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)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
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
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
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


Patent document cited in search report Publication date
Patent family member(s) Publication date
US 5437156 A
01 August 1995
EP 0729546 A1
EP 0729546 B1
JP 09-509712 A
WO 95-14159 A1
DE 69408158 T2
29 October 1997
21 January 1998
30 September 1997
26 May 1995
07 May 1998
US 2002-0023619 A1
28 February 2002
CN 1836099 A
EP 1631737 A2
EP 1631737 A4
JP 2007-500819 A
KR 10-2006-0040595 A
US 2003-0226540 A1
US 6868824 B2
US 6584954 B2
WO 2005-001253 A2
WO 2005-001253 A3
20 September 2006
08 March 2006
18 November 2009
18 January 2007
10 May 2006
11 December 2003
22 March 2005
01 July 2003
06 January 2005
17 February 2005
US 5410882 A
02 May 1995
EP 0640750 A2
EP 0640750 A3
JP 07-077075 A
01 March 1995
15 March 1995
20 March 1995
US 2008-0216795 A1
11 September 2008
DE 102005008657 A1
JP 5342146 B2
JP 2008-531906 A
US 7752844 B2
WO 2006-089653 A1
31 August 2006
13 November 2013
14 August 2008
13 July 2010
31 August 2006
US 2014-0034010 A1
06 February 2014
CN 104541037 B
CN 107407212 A
CN 104541037 A
DE 112013003786 T5
DE 112016001356 T5
DE 112013003987 T5
JP 2018-512534 A
KR 10-2017-0129711 A
US 2016-0146121 A1
US 2014-0041641 A1
US 2017-0234253 A1
US 2018-0106201 A1
US 9790867 B2
US 9328672 B2
US 9273643 B2
WO 2014-026036 A1
WO 2014-022313 A1
WO 2016-153837 A1
04 May 2016
28 November 2017
22 April 2015
21 May 2015
14 December 2017
13 August 2015
17 May 2018
27 November 2017
26 May 2016
13 February 2014
17 August 2017
19 April 2018
17 October 2017
03 May 2016
01 March 2016
13 February 2014
06 February 2014
29 September 2016
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
28 November 2018
Date of mailing of the international search report:
28 November 2018
Authorized officer:
LEE, Dal Kyong
Telephone No. +82-42-481-8440
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