EP2196635A3 - Device for avoiding high oil tank pressures under negative g conditions - Google Patents

Device for avoiding high oil tank pressures under negative g conditions Download PDF

Info

Publication number
EP2196635A3
EP2196635A3 EP20090010617 EP09010617A EP2196635A3 EP 2196635 A3 EP2196635 A3 EP 2196635A3 EP 20090010617 EP20090010617 EP 20090010617 EP 09010617 A EP09010617 A EP 09010617A EP 2196635 A3 EP2196635 A3 EP 2196635A3
Authority
EP
European Patent Office
Prior art keywords
oil tank
conditions
high oil
under negative
avoiding high
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
EP20090010617
Other languages
German (de)
French (fr)
Other versions
EP2196635A2 (en
EP2196635B1 (en
Inventor
Robert Dr. Angst
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.)
Rolls Royce Deutschland Ltd and Co KG
Original Assignee
Rolls Royce Deutschland Ltd and Co KG
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 Rolls Royce Deutschland Ltd and Co KG filed Critical Rolls Royce Deutschland Ltd and Co KG
Publication of EP2196635A2 publication Critical patent/EP2196635A2/en
Publication of EP2196635A3 publication Critical patent/EP2196635A3/en
Application granted granted Critical
Publication of EP2196635B1 publication Critical patent/EP2196635B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
    • F01M11/062—Accommodating movement or position of machines or engines, e.g. dry sumps
    • F01M11/065—Position
    • F01M11/067—Position inverted, e.g. for inverted flight
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/18—Lubricating arrangements
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86348—Tank with internally extending flow guide, pipe or conduit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

Die Erfindung bezieht sich auf einen Fluggasturbinen-Öltank mit einem von einem oberen Bereich des Öltanks 1 abzweigenden, mit einem Entlüfter verbundenen Entlüfter-Auslassrohr 2 sowie mit einem mit einem unteren Bereich des Öltanks 1 verbundenen Anschlussrohr 6, dadurch gekennzeichnet, dass im oberen Bereich des Öltanks 1, in das Entlüfter-Auslassrohr 2 ragend und sich zu einem mittleren Bereich des Öltanks 1 erstreckend, ein beidseitig offenes Luftleitungsrohr 3 angeordnet ist.

Figure imgaf001
The invention relates to an aircraft gas turbine oil tank with a branching off from an upper portion of the oil tank 1, connected to a breather vent outlet 2 and a connected to a lower portion of the oil tank 1 connecting pipe 6, characterized in that in the upper region of the Oil tanks 1, in the breather outlet pipe 2 projecting and extending to a central region of the oil tank 1, a two-sided open air duct pipe 3 is arranged.
Figure imgaf001
EP09010617.0A 2008-11-25 2009-08-18 Device for avoiding high oil tank pressures under negative g conditions Not-in-force EP2196635B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810058981 DE102008058981A1 (en) 2008-11-25 2008-11-25 Device for avoiding high oil tank pressures under negative g conditions

Publications (3)

Publication Number Publication Date
EP2196635A2 EP2196635A2 (en) 2010-06-16
EP2196635A3 true EP2196635A3 (en) 2011-06-15
EP2196635B1 EP2196635B1 (en) 2015-11-11

Family

ID=41694755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09010617.0A Not-in-force EP2196635B1 (en) 2008-11-25 2009-08-18 Device for avoiding high oil tank pressures under negative g conditions

Country Status (3)

Country Link
US (1) US8256458B2 (en)
EP (1) EP2196635B1 (en)
DE (1) DE102008058981A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9366156B2 (en) * 2012-09-28 2016-06-14 United Technologies Corporation Axial sealing gravity based siphon system
US20140090930A1 (en) 2012-09-28 2014-04-03 United Technologies Corporation Multiple reservoir lubrication system
US9416729B2 (en) 2013-03-21 2016-08-16 United Technologies Corporation Oil tank mount with yoke
US9086014B2 (en) 2013-03-21 2015-07-21 United Technologies Corporation Oil tank mount with lock
US9863324B2 (en) 2013-03-21 2018-01-09 United Technologies Corporation Oil tank mount with stiffeners
US9925685B2 (en) * 2015-10-30 2018-03-27 Yamabiko Corporation Chainsaw
US9981752B2 (en) 2016-09-27 2018-05-29 Pratt & Whitney Canada Corp. Liquid tank system with over pressure protection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130022A (en) * 1960-03-22 1964-04-21 English Electric Co Ltd Liquid reservoirs for aircraft
JPS58113811U (en) * 1982-01-28 1983-08-03 いすゞ自動車株式会社 Engine air bleed structure
DE19529733C1 (en) * 1995-08-12 1996-12-05 Mtu Friedrichshafen Gmbh Lubricant supply system for vehicle combustion engine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2245198A (en) * 1938-10-18 1941-06-10 Wright Aeronautical Corp Oil tank
DE896598C (en) * 1944-03-28 1953-11-12 Messerschmitt Boelkow Blohm Fluid containers, in particular operating fluid containers for aircraft engines
US2679333A (en) * 1952-03-08 1954-05-25 Northrop Aircraft Inc Variable length tank vent
US2982374A (en) * 1959-02-25 1961-05-02 United Aircraft Prod Liquid storage tank for aircraft
US3049138A (en) * 1961-04-27 1962-08-14 United Aircraft Prod Liquid storage tank
US3889705A (en) * 1973-08-30 1975-06-17 Northrop Corp Hydraulic system reservoir having separate oil and air-oil chambers
GB2059372B (en) * 1979-09-29 1983-06-08 Rolls Royce Aircraft engine oil tank for negative g operation
JPS58113811A (en) 1981-12-28 1983-07-06 Yutani Tekko Kk Device for detecting number of revolution of rotary body
FR2660280B1 (en) * 1990-03-27 1995-05-05 Aerospatiale TANK FOR AIRCRAFT, ESPECIALLY FOR HELICOPTER HYDRAULIC CIRCUIT.
GB0016196D0 (en) * 2000-06-30 2000-08-23 Lucas Industries Ltd Oil system
US6463819B1 (en) * 2000-10-24 2002-10-15 Pratt & Whitney Canada Corp. Uninterruptible oil supply system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130022A (en) * 1960-03-22 1964-04-21 English Electric Co Ltd Liquid reservoirs for aircraft
JPS58113811U (en) * 1982-01-28 1983-08-03 いすゞ自動車株式会社 Engine air bleed structure
DE19529733C1 (en) * 1995-08-12 1996-12-05 Mtu Friedrichshafen Gmbh Lubricant supply system for vehicle combustion engine

Also Published As

Publication number Publication date
US20100126589A1 (en) 2010-05-27
US8256458B2 (en) 2012-09-04
EP2196635A2 (en) 2010-06-16
DE102008058981A1 (en) 2010-05-27
EP2196635B1 (en) 2015-11-11

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