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1. (WO2017098346) OIL LEVEL SIGNALLING DEVICE FOR COMPRESSOR AND OIL MANAGEMENT APPARATUS, WITH REMOVABLE DETECTION AND CONTROL UNIT



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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/IB2016/056561 E0106599-DDL
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
31 October 2016 07 December 2015
Applicant
IGLOO REFRIGERAZIONE S.R.L.
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:
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.

An oil level signalling device (1) for an oil-lubricated compressor (10) comprises a main body (2) in which is formed a detection chamber (4) and a fluidic communication path (420) between the compressor and the detection chamber. A floating element (6) is enclosed in the detection chamber (4) and is suitable to vary its position as a function of the amount of oil. A detection and control unit (7) is removably anchored to the main body (2) and is suitable to detect a position of the floating element (6) and to generate an oil level signal as a function of the position of the floating element (6). An oil management apparatus (1') regulates the flow of oil in the compressor (10) as a function of the oil level signal.


6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     2    
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

     G01F 23/64 (2006.01)i; G01F 23/72 (2006.01)i; G01F 23/76 (2006.01)i; F16N 19/00 (2006.01)i; G05D 9/00 (2006.01)i
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):
     G01F; F25B; F16N; G05D; F04C
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
US 6557412 B1 (BARBIER WILLIAM J [US] ET AL) 06 May 2003 (2003-05-06)
1-20,23-29,35-39
Y
column 3, line 66 - column 4, line 4
21,22,30-34
column 5, lines 37-63; figures 2,2A, 3,3A
column 6, lines 36-67
column 8, lines 49-61; figures 5, 5A
column 9, lines 15-17; figure 7
(2)
Y
US 5911289 A (WALLER CLIVE GREGORY [AU]) 15 June 1999 (1999-06-15)
21,22,30-34
column 6, lines 33-49; figures 2,3
column 6, line 60 - column 7, line 3
column 8, lines 1-6
(3)
X
JP 2010008228 A (ADVICS CO LTD) 14 January 2010 (2010-01-14)
17-20
A
paragraphs [0031] - [0037]; figures 2(b), 3
2-6
paragraphs [0041] - [0043]
(4)
A
US 2008098809 A1 (SKINNER JEFFREY M [US]) 01 May 2008 (2008-05-01)
2,3
paragraphs [0006] - [0010]; figure 2
(5)
A
EP 0747578 A2 (PIAGGIO VEICOLI EUROP [IT]) 11 December 1996 (1996-12-11)
7,27,29
figure 1
column 2, lines 54-59
column 3, lines 14-19
(6)
A
EP 1795875 A1 (UNOMEDICAL AS [DK]) 13 June 2007 (2007-06-13)
9-12
paragraph [0053]
(7)
A
WO 9743604 A1 (SEETRU LTD [GB]; VARGA OTTO HERMAN [GB]; CARTER JASON [GB]) 20 November 1997 (1997-11-20)
28,38
page 12, lines 26-33; figure 4
(8)
A
JP 2002250652 A (NGK SPARK PLUG CO) 06 September 2002 (2002-09-06)
37
paragraph [0036]
(9)
A
US 5327997 A (NASH JR ROBERT V [US] ET AL) 12 July 1994 (1994-07-12)
1-39
column 8, line 61 - column 9, line 2; figure 5
(10)
A
US 5901559 A (WESTERMEYER GARY [US] ET AL) 11 May 1999 (1999-05-11)
1-39
column 4, line 21 - column 5, line 19; figures 3,4
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"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)
US 6557412 B1
06 May 2003
NONE
US 5911289 A
15 June 1999
CA 2193132 A1
EP 0840870 A1
JP H10501872 A
MY 130605 A
TW 287218 B
US 5911289 A
WO 9535462 A1
28 December 1995
13 May 1998
17 February 1998
31 July 2007
01 October 1996
15 June 1999
28 December 1995
JP 2010008228 A
14 January 2010
NONE
US 2008098809 A1
01 May 2008
NONE
EP 0747578 A2
11 December 1996
EP 0747578 A2
IT MI950401 U1
11 December 1996
09 December 1996
EP 1795875 A1
13 June 2007
AT 411511 T
DK 1795875 T3
EP 1795875 A1
15 October 2008
09 February 2009
13 June 2007
WO 9743604 A1
20 November 1997
AT 208034 T
AU 719753 B2
DE 69707858 D1
DE 69707858 T2
DK 0897527 T3
EP 0897527 A1
JP 4241928 B2
JP 2000510240 A
KR 20000011074 A
NO 985250 A
US 6253611 B1
WO 9743604 A1
15 November 2001
18 May 2000
06 December 2001
11 April 2002
19 November 2001
24 February 1999
18 March 2009
08 August 2000
25 February 2000
11 January 1999
03 July 2001
20 November 1997
JP 2002250652 A
06 September 2002
NONE
US 5327997 A
12 July 1994
NONE
US 5901559 A
11 May 1999
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:
22 February 2017
Date of mailing of the international search report:
03 March 2017
Authorized officer:
Tomasoni, Flora
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