DE10232910A1 - Secondary air feed into the exhaust gas system of an IC motor, to reduce hazardous emissions, has secondary air channels integrated into the motor housing from a manifold integrated into the water coolant pipe - Google Patents

Secondary air feed into the exhaust gas system of an IC motor, to reduce hazardous emissions, has secondary air channels integrated into the motor housing from a manifold integrated into the water coolant pipe Download PDF

Info

Publication number
DE10232910A1
DE10232910A1 DE10232910A DE10232910A DE10232910A1 DE 10232910 A1 DE10232910 A1 DE 10232910A1 DE 10232910 A DE10232910 A DE 10232910A DE 10232910 A DE10232910 A DE 10232910A DE 10232910 A1 DE10232910 A1 DE 10232910A1
Authority
DE
Germany
Prior art keywords
secondary air
integrated
internal combustion
manifold
combustion engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE10232910A
Other languages
German (de)
Other versions
DE10232910B4 (en
Inventor
Frank Dipl.-Ing. Dieterle
Normann Dipl.-Ing.(FH) Wöckel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Priority to DE10232910A priority Critical patent/DE10232910B4/en
Publication of DE10232910A1 publication Critical patent/DE10232910A1/en
Application granted granted Critical
Publication of DE10232910B4 publication Critical patent/DE10232910B4/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/30—Arrangements for supply of additional air
    • F01N3/34—Arrangements for supply of additional air using air conduits or jet air pumps, e.g. near the engine exhaust port
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1832—Number of cylinders eight
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

The water-cooled multi-cylinder internal combustion motor has at least one exhaust channel for each cylinder and a secondary air feed into the exhaust gas system. The secondary air channels (48,50) are integrated into the motor housing, to open into the exhaust channels, fed from a manifold (44,46) integrated into the motor housing at least partially. At least one secondary air valve (24,26) controls the secondary air in the exhaust gas system. A section of the manifold is integrated in a coolant water distribution pipe (2).

Description

Die Erfindung betrifft eine wassergekühlte mehrzylindrige Brennkraftmaschine nach den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a water-cooled multi-cylinder Internal combustion engine according to the features of the preamble of the claim 1.

Sekundärluftsysteme für Brennkraftmaschinen sind seit langem Stand der Technik (siehe z. B. US-PS 4,727,717 ). Durch die Sekundärlufteinblasung in das Abgassystem der Brennkraftmaschine werden HC- und CO – Schadstoffwerte in der Kaltphase und Warmlaufphase des Motors bei λ < 1 durch thermische Nachverbrennung vermindert. Dabei ist man zunehmend bestrebt, die für die Sekundärluftzufuhr in das Abgassystem erforderlichen Kanalleitungen in die Brennkraftmaschine zu integrieren.Secondary air systems for internal combustion engines have been state of the art for a long time (see e.g. U.S. Patent 4,727,717 ). The secondary air injection into the exhaust system of the internal combustion engine reduces HC and CO pollutant values in the cold and warm-up phase of the engine at λ <1 through thermal afterburning. There is an increasing effort to integrate the duct lines required for the secondary air supply into the exhaust system into the internal combustion engine.

Der Erfindung liegt die Aufgabe zugrunde, den Ansatz der Integration des Sekundärluftsystems in die Brennkraftmaschine konsequent weiter zu verfolgen, um die dazu erforderlichen Leitungen bzw. Kanäle platzsparend an bzw. in der Brennkraftmaschine zu platzieren.The invention is based, the Approach of integrating the secondary air system into the internal combustion engine to consistently pursue the necessary lines or channels to save space on or in the internal combustion engine.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst.This object is achieved by the Features of claim 1 solved.

Durch die erfindungsgemäße Integration eines Teils der die Sekundärluftkanäle versorgenden Sammelleitung in einem wasserführenden Verteilerrohr der Brennkraftmaschine ist eine exzellente Anbindung an den im Kurbelgehäuse integrierten Teil der Sammelleitung erreicht.Through the integration according to the invention part of the manifold supplying the secondary air ducts in a water-bearing The distributor pipe of the internal combustion engine is an excellent connection to those in the crankcase integrated part of the manifold reached.

In den Unteransprüchen sind weitere vorteilhafte Ausgestaltungen und Verbesserungen der erfindungsgemäßen wassergekühlten mehrzylindrigen Brennkraftmaschine enthalten.In the subclaims are further advantageous Refinements and improvements of the water-cooled multi-cylinder internal combustion engine according to the invention contain.

Das in der Sekundärluft- Sammelleitung angeordnete Steuerventil ist auf vorteilhafte Art und Weise direkt an einem Flansch des wasserführenden Verteilerrohres befestigt; damit sind extern verlegte Leitungsabschnitte des Sekundärluftsystems auf ein Minimum reduziert. Das für die Sekundärluftzufuhr vorgesehene Sekundärluftgebläse ist auf einfache Art und Weise an einen Träger verschraubt, der an einer Zylinderkopfhaube der Brennkraftmaschine befestigt ist; zwischen Sekundärluftgebläse und Sekundärluftventil ist ein Verbindungsschlauch vorgesehen, der den einzigen extern verlegten Leitungsabschnitt des Sekundärluftsystems darstellt.The one located in the secondary air manifold Control valve is advantageously directly on one Flange of the water-carrying distribution pipe attached; this means that externally installed pipe sections of the secondary air system reduced to a minimum. That for the secondary air supply provided Secondary air blower is on simply screwed to a carrier attached to a Cylinder head cover of the internal combustion engine is attached; between Secondary air blower and secondary air valve a connecting hose is provided, which is the only one external represents routed line section of the secondary air system.

Ein Ausführungsbeispiel der Erfindung ist in der nachfolgenden Beschreibung und Zeichnung näher erläutert.An embodiment of the invention is explained in more detail in the following description and drawing.

Es zeigen:Show it:

1 Eine schematische Gesamtansicht einer wassergekühlten Brennkraftmaschine, 2 ein wasserführendes Verteilerrohr in einer ersten Ansicht, 1 A schematic overall view of a water-cooled internal combustion engine, 2 a water-carrying manifold in a first view,

3 das wasserführende Verteilerrohr in einer zweiten Ansicht, 3 the water-carrying distribution pipe in a second view,

4 eine vergrößerte Teildarstellung des wasserführenden Verteilerrohres in der ersten Ansicht, 4 an enlarged partial view of the water-carrying manifold in the first view,

5 einen Schnitt entlang der Linie V-V in 4 und 5 a section along the line VV in 4 and

6 eine Teildarstellung der Brennkraftmaschine mit Sekundärluftgebläse. 6 a partial view of the internal combustion engine with secondary air blower.

Bei der in 1 lediglich schematisch dargestellten Brennkraftmaschine handelt es sich im vorliegenden Ausführungsbeispiel um einen wassergekühlten V8-Motor. An einer Stirnseite der Brennkraftmaschine ist ein wasserführendes Verteilerrohr 2 befestigt, das zur Kühlmittelversorgung für die im Kurbelgehäuse sowie im Zylinderkopf integrierten Wasserkanäle vorgesehen ist. Die Kühlwasserversorgung des V8-Motors ist in der DE 100 21 525 A1 näher dargestellt und beschrieben, auf deren Offenbarungsgehalt in diesem Zusammenhang Bezug genommen wird. Das u- förmig gebogene Verteilerrohr 2 weist vier Wasseranschlüsse 4 bis 10 auf, bei denen die Anschlüsse 8 und 10 für die Kühlwasserversorgung der beiden Zylinderköpfe und die Anschlüsse 4 und 6 für die Kühlwasserversorgung der im Kurbelgehäuse integrierten Zylinderlaufbuchsen vorgesehen sind. Das Verteilerrohr 2 weist eine zentrale Öffnung 12 auf, über die der von einer Wasserpumpe (nicht dargestellt) erzeugte Wasservolumenstrom im Verteilerrohr 2 verteilt wird. Das als Gussteil ausgebildete Verteilerrohr 2 weist an seinen beiden bogenförmig ausgebildeten Enden zwei einteilig mit dem Verteilerrohr 2 verbundene Anschlussstutzen 14 und 16 auf, in denen ein zu einer Sekundärluft Sammelleitung gehörender Kanalabschnitt 18 integriert ist. Die beiden Anschlussstutzen 14 und 16 weisen eine Flanschfläche 20 und 22 auf, an denen jeweils ein den Sekundärluftstrom steuerndes Ventil, im folgenden als Sekundärluftventil 24 und 26 bezeichnet, befestigt ist. Die Sekundärluftventile 24, 26 sind über zwei externe Schlauchleitungen 28 und 30 mit jeweils einem Sekundärluftgebläse 32 und 34 verbunden. Die beiden Sekundärluftgebläse 32 und 34 sind jeweils an einem Träger 36 und 38 verschraubt, die wiederum an den beiden Zylinderkopfhauben 40 und 42 befestigt sind.At the in 1 In the present exemplary embodiment, it is only a schematically illustrated internal combustion engine that is a water-cooled V8 engine. There is a water-carrying distributor pipe on one end of the internal combustion engine 2 attached, which is provided for the supply of coolant for the water channels integrated in the crankcase and in the cylinder head. The cooling water supply of the V8 engine is in the DE 100 21 525 A1 shown and described in detail, the disclosure content of which is referred to in this context. The U-shaped manifold 2 has four water connections 4 to 10 on where the connections 8th and 10 for the cooling water supply of the two cylinder heads and the connections 4 and 6 are provided for the cooling water supply of the cylinder liners integrated in the crankcase. The manifold 2 has a central opening 12 on, via which the water volume flow generated by a water pump (not shown) in the distributor pipe 2 is distributed. The manifold designed as a cast part 2 has at its two arcuate ends two integral with the manifold 2 connected connecting pieces 14 and 16 in which a duct section belonging to a secondary air manifold 18 is integrated. The two connecting pieces 14 and 16 have a flange surface 20 and 22 on each of which a valve controlling the secondary air flow, hereinafter referred to as a secondary air valve 24 and 26 designated, is attached. The secondary air valves 24 . 26 are via two external hose lines 28 and 30 each with a secondary air blower 32 and 34 connected. The two secondary air blowers 32 and 34 are each on a carrier 36 and 38 screwed, which in turn on the two cylinder head covers 40 and 42 are attached.

Die sich an den Ausgang 44 des im Verteilerrohr 2 integrierten Kanalabschnittes 18 anschließende Sekundärluftleitung zu den Auslasskanälen der einzelnen Zylinder ist als im Kurbelgehäuse integrierte Sammelleitung 44 und 46 ausgebildet, von denen pro Zylinder jeweils zwei Stichbohrungen 48 und 50 in die Auslasskanäle und damit in das Abgassystem der Brennkraftmaschine einmünden.Which is at the exit 44 the in the manifold 2 integrated channel section 18 Subsequent secondary air line to the exhaust ports of the individual cylinders is as a manifold integrated in the crankcase 44 and 46 trained, of which two branch bores per cylinder 48 and 50 open into the outlet channels and thus into the exhaust system of the internal combustion engine.

Claims (4)

Wassergekühlte mehrzylindrige Brennkraftmaschine mit einem Abgassystem und einer Zufuhreinrichtung für Sekundärluft in das Abgassystem, mit einem Motorgehäuse mit mindestens einem Auslasskanal je Zylinder, sowie mit im Motorgehäuse integrierten und in die Auslasskanäle einmündenden Sekundärluftkanälen, die von mindestens einer teilweise im Motorgehäuse integrierten Sammelleitung gespeist sind und mit mindestens einem Sekundärluftventil zur Steuerung der Sekundärluft in das Abgassystem, dadurch gekennzeichnet, dass ein Kanalabschnitt (18) der Sammelleitung in einem wasserführenden Verteilerrohr (2) der Brennkraftmaschine integriert ist.Water-cooled multi-cylinder internal combustion engine with an exhaust system and a feed device for secondary air into the exhaust system, with a motor housing with at least one exhaust port per cylinder, and with secondary air channels integrated in the engine housing and opening into the exhaust ports, which are fed by and with at least one manifold partially integrated in the engine housing at least one secondary air valve for controlling the secondary air in the exhaust system, characterized in that a duct section ( 18 ) the manifold in a water-carrying manifold ( 2 ) the internal combustion engine is integrated. Wassergekühlte Brennkraftmaschine nach Anspruch 1, dadurch gekennzeichnet, dass auf dem wasserführenden Verteilerrohr (2) mindestens ein Sekundärluftventil (24, 26) befestigt ist, welches den von einem Sekundärluftgebläse (32, 34) erzeugten Luftvolumenstrom zu den Auslasskanälen der Brennkraftmaschine steuert.Water-cooled internal combustion engine according to claim 1, characterized in that on the water-carrying manifold ( 2 ) at least one secondary air valve ( 24 . 26 ) which is connected to a secondary air blower ( 32 . 34 ) controls the generated air volume flow to the exhaust ports of the internal combustion engine. Wassergekühlte Brennkraftmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Sekundärluftgebläse (32, 34) an einem Träger (36, 38) verschraubt ist, der an einer Zylinderkopfhaube (40, 42) der Brennkraftmaschine befestigt ist, und dass ein Verbindungsschlauch (28, 30) vom Sekundärluftgebläse (32, 34) zum Sekundärluftventil (24, 26) führt.Water-cooled internal combustion engine according to claim 1 or 2, characterized in that the secondary air blower ( 32 . 34 ) on a carrier ( 36 . 38 ) is screwed to a cylinder head cover ( 40 . 42 ) is attached to the internal combustion engine, and that a connecting hose ( 28 . 30 ) from the secondary air blower ( 32 . 34 ) to the secondary air valve ( 24 . 26 ) leads. Wassergekühlte Brennkraftmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Brennkraftmaschine mit zwei Zylinderbankreihen versehen ist, und dass in dem wasserführenden Verteilerrohr (2) für jede Zylinderbankreihe jeweils ein Kanalabschnitt (18) einer Sekundärluft- Sammelleitung (18) integriert ist, die in beiden Zylinderbankreihen zu den Sekundärluftkanälen (48, 50) der einzelnen Zylinder führt.Water-cooled internal combustion engine according to one of the preceding claims, characterized in that the internal combustion engine is provided with two rows of cylinder banks, and that in the water-carrying distributor pipe ( 2 ) one channel section for each row of cylinder banks ( 18 ) a secondary air manifold ( 18 ) which is integrated in the two rows of cylinder banks to the secondary air ducts ( 48 . 50 ) of the individual cylinders.
DE10232910A 2002-07-19 2002-07-19 Water-cooled multi-cylinder internal combustion engine Expired - Fee Related DE10232910B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10232910A DE10232910B4 (en) 2002-07-19 2002-07-19 Water-cooled multi-cylinder internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10232910A DE10232910B4 (en) 2002-07-19 2002-07-19 Water-cooled multi-cylinder internal combustion engine

Publications (2)

Publication Number Publication Date
DE10232910A1 true DE10232910A1 (en) 2004-02-05
DE10232910B4 DE10232910B4 (en) 2005-08-04

Family

ID=30010237

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10232910A Expired - Fee Related DE10232910B4 (en) 2002-07-19 2002-07-19 Water-cooled multi-cylinder internal combustion engine

Country Status (1)

Country Link
DE (1) DE10232910B4 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009001007U1 (en) 2009-01-28 2010-06-17 Friedrich Boysen Gmbh & Co. Kg Secondary air system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3736500A1 (en) * 1987-10-28 1989-05-11 Kst Motorenversuch Gmbh Co CATALYST SYSTEM FOR OTTO ENGINES, ESPECIALLY BOAT ENGINES, AND METHOD FOR CATALYTIC EXHAUST GAS PURIFICATION
DE19847477A1 (en) * 1998-10-15 2000-04-20 Audi Ag Method and device for reducing the exhaust gas component load of internal combustion engines
DE10021525A1 (en) * 2000-05-03 2001-11-15 Porsche Ag Cooling circuit for a multi-cylinder internal combustion engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5793616A (en) * 1980-12-03 1982-06-10 Honda Motor Co Ltd Exhaust purifier for internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3736500A1 (en) * 1987-10-28 1989-05-11 Kst Motorenversuch Gmbh Co CATALYST SYSTEM FOR OTTO ENGINES, ESPECIALLY BOAT ENGINES, AND METHOD FOR CATALYTIC EXHAUST GAS PURIFICATION
DE19847477A1 (en) * 1998-10-15 2000-04-20 Audi Ag Method and device for reducing the exhaust gas component load of internal combustion engines
DE10021525A1 (en) * 2000-05-03 2001-11-15 Porsche Ag Cooling circuit for a multi-cylinder internal combustion engine

Also Published As

Publication number Publication date
DE10232910B4 (en) 2005-08-04

Similar Documents

Publication Publication Date Title
DE10116643C2 (en) reciprocating internal combustion engine
EP1030050B2 (en) Exhaust gas recirculation system
EP1363013B1 (en) Heat exchanger
DE102004060189B4 (en) Air intake system of a vehicle
DE2252705A1 (en) MOUNTING OF AN EXHAUST TURBOCHARGER TO A COMBUSTION ENGINE
DE10227690A1 (en) Cooled cylinder head for a piston internal combustion engine
EP2118462B1 (en) Internal combustion engine comprising several combustion chambers
EP0908615B1 (en) Exhaust gas recirculation valve
DE10222078B4 (en) Multi-cylinder engine
AT500442B1 (en) CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE
EP1059435A2 (en) Arrangement of intake air conduits for a combustion engine
EP1674711A1 (en) Supercharged diesel engine with Common-Rail injection
DE4030652C2 (en)
DE10237664A1 (en) Cylinder head for water-cooled multi-cylinder internal combustion engine has main cooling flow on inflow side between two exhaust valves
DE3034971C2 (en) Internal combustion engine with two rows of cylinders arranged in a V shape
DE10232910B4 (en) Water-cooled multi-cylinder internal combustion engine
EP1703115B1 (en) Thermostatic valve with integrated exhaust gas recirculation valve
DE10344217B4 (en) Fresh gas leading section of a fresh gas system
DE10021526C2 (en) Arrangement for cooling a multi-cylinder internal combustion engine
EP1329628B1 (en) Cylinder head for a piston combustion engine with a cooling conduit system
DE4445490A1 (en) Device for exhaust gas detoxification on an internal combustion engine
DE60033057T2 (en) INTEGRATED AIR FUEL MODULE WITH LOW FUEL GAS EMISSIONS
DE60305176T2 (en) Exhaust manifold and internal combustion engine with an exhaust manifold
DE19909433C1 (en) Motor vehicle internal combustion engine with exhaust gas recycling has module containing recycling valve and mixer connected t cylinder head by flanged coupling
AT501229B1 (en) Exhaust system for internal combustion engine has first and second exhaust pipes, in whose opening area, uniting first and second exhaust pipes span angle at reference points of inner wall of exhaust pipes

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT, 7, DE

8327 Change in the person/name/address of the patent owner

Owner name: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT, 7, DE

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20150203