GB2599648B - Crankshaft seal unit for an internal combustion engine - Google Patents

Crankshaft seal unit for an internal combustion engine Download PDF

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Publication number
GB2599648B
GB2599648B GB2015805.1A GB202015805A GB2599648B GB 2599648 B GB2599648 B GB 2599648B GB 202015805 A GB202015805 A GB 202015805A GB 2599648 B GB2599648 B GB 2599648B
Authority
GB
United Kingdom
Prior art keywords
combustion engine
internal combustion
seal unit
crankshaft seal
crankshaft
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.)
Active
Application number
GB2015805.1A
Other versions
GB202015805D0 (en
GB2599648A (en
Inventor
Abraham Volker
Augustiniack Sven
Bartel Hartmut
Struebing Hannes
Herold Hendrik
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.)
Caterpillar Motoren GmbH and Co KG
Original Assignee
Caterpillar Motoren GmbH 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 Caterpillar Motoren GmbH and Co KG filed Critical Caterpillar Motoren GmbH and Co KG
Priority to GB2015805.1A priority Critical patent/GB2599648B/en
Publication of GB202015805D0 publication Critical patent/GB202015805D0/en
Priority to EP21786768.8A priority patent/EP4226033A1/en
Priority to PCT/EP2021/025374 priority patent/WO2022073636A1/en
Priority to CN202180067599.9A priority patent/CN116249826A/en
Publication of GB2599648A publication Critical patent/GB2599648A/en
Application granted granted Critical
Publication of GB2599648B publication Critical patent/GB2599648B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0043—Arrangements of mechanical drive elements
    • F02F7/0053—Crankshaft bearings fitted in the crankcase
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F11/00—Arrangements of sealings in combustion engines 
    • F02F11/007—Arrangements of sealings in combustion engines  involving rotary applications
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0043—Arrangements of mechanical drive elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth packings with axial path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Gasket Seals (AREA)
GB2015805.1A 2020-10-06 2020-10-06 Crankshaft seal unit for an internal combustion engine Active GB2599648B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB2015805.1A GB2599648B (en) 2020-10-06 2020-10-06 Crankshaft seal unit for an internal combustion engine
EP21786768.8A EP4226033A1 (en) 2020-10-06 2021-09-30 Crankshaft seal unit for an internal combustion engine
PCT/EP2021/025374 WO2022073636A1 (en) 2020-10-06 2021-09-30 Crankshaft seal unit for an internal combustion engine
CN202180067599.9A CN116249826A (en) 2020-10-06 2021-09-30 Crankshaft sealing unit for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2015805.1A GB2599648B (en) 2020-10-06 2020-10-06 Crankshaft seal unit for an internal combustion engine

Publications (3)

Publication Number Publication Date
GB202015805D0 GB202015805D0 (en) 2020-11-18
GB2599648A GB2599648A (en) 2022-04-13
GB2599648B true GB2599648B (en) 2023-03-22

Family

ID=73223663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2015805.1A Active GB2599648B (en) 2020-10-06 2020-10-06 Crankshaft seal unit for an internal combustion engine

Country Status (4)

Country Link
EP (1) EP4226033A1 (en)
CN (1) CN116249826A (en)
GB (1) GB2599648B (en)
WO (1) WO2022073636A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53138064A (en) * 1977-05-06 1978-12-02 Raiton Denshi Kougiyou Kk Printec circuit board
JPS6185540A (en) * 1984-10-04 1986-05-01 Toshiba Corp Fluid sealing equipment for turbomachine
US5611546A (en) * 1994-05-17 1997-03-18 Siemens Aktiengesellschaft Labyrinth seal having a pressure inducing fan means
CN104455465A (en) * 2014-12-12 2015-03-25 北京凯特破碎机有限公司 Composite labyrinth sealing device
CN105757257A (en) * 2016-05-06 2016-07-13 亿昇(天津)科技有限公司 Active labyrinth seal structure
CN108180160A (en) * 2017-12-27 2018-06-19 安徽虎渡科达流体机械有限公司 A kind of centrifugal blower sealing device
CN109538309A (en) * 2018-10-19 2019-03-29 中国船舶重工集团公司第七〇九研究所 A kind of shaft end self sealing structure of high revolving speed High Pressure Difference
US20190162313A1 (en) * 2016-04-15 2019-05-30 Safran Transmission Systems Contactless labyrinth seal obtained by additive manufacturing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53138064U (en) * 1977-04-08 1978-11-01
JPH07208610A (en) * 1994-01-26 1995-08-11 Isuzu Motors Ltd Oil seal
GB2369413A (en) * 2000-11-28 2002-05-29 Federal Mogul Technology Ltd Static and dynamic sealing arrangement
DE10259400A1 (en) * 2002-12-19 2004-07-01 Fag Kugelfischer Ag Sealing arrangement e.g. for rolling bearing of front wheels of motor vehicle has ring-shaped gap that is sealed by sealing element and has space formed between sealing element and conducting element

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53138064A (en) * 1977-05-06 1978-12-02 Raiton Denshi Kougiyou Kk Printec circuit board
JPS6185540A (en) * 1984-10-04 1986-05-01 Toshiba Corp Fluid sealing equipment for turbomachine
US5611546A (en) * 1994-05-17 1997-03-18 Siemens Aktiengesellschaft Labyrinth seal having a pressure inducing fan means
CN104455465A (en) * 2014-12-12 2015-03-25 北京凯特破碎机有限公司 Composite labyrinth sealing device
US20190162313A1 (en) * 2016-04-15 2019-05-30 Safran Transmission Systems Contactless labyrinth seal obtained by additive manufacturing
CN105757257A (en) * 2016-05-06 2016-07-13 亿昇(天津)科技有限公司 Active labyrinth seal structure
CN108180160A (en) * 2017-12-27 2018-06-19 安徽虎渡科达流体机械有限公司 A kind of centrifugal blower sealing device
CN109538309A (en) * 2018-10-19 2019-03-29 中国船舶重工集团公司第七〇九研究所 A kind of shaft end self sealing structure of high revolving speed High Pressure Difference

Also Published As

Publication number Publication date
CN116249826A (en) 2023-06-09
GB202015805D0 (en) 2020-11-18
GB2599648A (en) 2022-04-13
WO2022073636A1 (en) 2022-04-14
EP4226033A1 (en) 2023-08-16

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