WO2012145044A3 - Lubricating system for a two-stroke engine - Google Patents

Lubricating system for a two-stroke engine Download PDF

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Publication number
WO2012145044A3
WO2012145044A3 PCT/US2012/000215 US2012000215W WO2012145044A3 WO 2012145044 A3 WO2012145044 A3 WO 2012145044A3 US 2012000215 W US2012000215 W US 2012000215W WO 2012145044 A3 WO2012145044 A3 WO 2012145044A3
Authority
WO
WIPO (PCT)
Prior art keywords
oil
crankcase
stroke engine
lubricating system
engine
Prior art date
Application number
PCT/US2012/000215
Other languages
French (fr)
Other versions
WO2012145044A2 (en
WO2012145044A4 (en
Inventor
Bernardo J. Herzer
David Kostka
Nagesh Mavinahally
Original Assignee
Herzer Bernardo J
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 Herzer Bernardo J filed Critical Herzer Bernardo J
Publication of WO2012145044A2 publication Critical patent/WO2012145044A2/en
Publication of WO2012145044A3 publication Critical patent/WO2012145044A3/en
Publication of WO2012145044A4 publication Critical patent/WO2012145044A4/en

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
    • F01M3/00—Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • 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
    • F01M11/02—Arrangements of lubricant conduits

Abstract

A lubricating system for a two-stroke engine is provided in which oil is more reliably pumped into the two-stroke engine. The oil travels through passages that are integrally cast into the cylinder and/or crankcase. The oil may be injected directly into the crankcase chamber or intake passage. The oil pump may be a rotary pump mounted on the crankcase concentric to the crankshaft. It is also possible to not use an oil pump, and have the oil drawn into the engine by vacuum created in the crankcase.
PCT/US2012/000215 2011-04-21 2012-04-20 Lubricating system for a two-stroke engine WO2012145044A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/092,021 US20110259294A1 (en) 2010-04-22 2011-04-21 Lubricating System for a Two-Stroke Engine
US13/092,021 2011-04-21

Publications (3)

Publication Number Publication Date
WO2012145044A2 WO2012145044A2 (en) 2012-10-26
WO2012145044A3 true WO2012145044A3 (en) 2012-11-29
WO2012145044A4 WO2012145044A4 (en) 2013-01-10

Family

ID=44814702

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/000215 WO2012145044A2 (en) 2011-04-21 2012-04-20 Lubricating system for a two-stroke engine

Country Status (2)

Country Link
US (1) US20110259294A1 (en)
WO (1) WO2012145044A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10307931B2 (en) 2015-07-24 2019-06-04 The Research Foundation For Suny Oil delivery system for the lubrication of a chainsaw
US9926887B2 (en) 2015-08-06 2018-03-27 International Business Machines Corporation Managing fuel oil mixture in engines
GB2542594B (en) * 2015-09-24 2019-10-16 Ford Global Tech Llc Machinery Casing Portion
CN110285212A (en) * 2019-06-28 2019-09-27 西北工业大学 A kind of circulation oil jet lubrication vertical speed reducer
US11339742B2 (en) * 2020-10-09 2022-05-24 Caterpillar Inc. Internal combustion engine having cylinder block with cast-in oil pump inlet and outlet passages

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930462A (en) * 1988-07-01 1990-06-05 Kioritz Corporation Separated lubrication type two-cycle internal combustion engine system
US5020484A (en) * 1989-11-06 1991-06-04 Fuji Jukogyo Kabushiki Kaisha Lubricating system for a two-cycle engine
US6422183B1 (en) * 1998-11-13 2002-07-23 Sanshin Kogyo Kabushiki Kaisha Oil injection lubrication system and methods for two-cycle engines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3495535B2 (en) * 1996-12-10 2004-02-09 三菱重工業株式会社 Portable engine
AUPP700398A0 (en) * 1998-11-09 1998-12-03 Rotec Design Pty Ltd Improvements to engines
US6601549B2 (en) * 2001-12-20 2003-08-05 Caterpillar Inc Two stroke homogenous charge compression ignition engine with pulsed air supplier
US6935297B2 (en) * 2002-07-24 2005-08-30 Honda Giken Kogyo Kabushiki Kaisha Lubricating system for 4-cycle engine
US8281758B2 (en) * 2005-08-03 2012-10-09 Etg Limited Engine lubrication method
US8596240B2 (en) * 2009-08-07 2013-12-03 Nagesh Mavinahally Integrally cast block and gaseous fuel injected generator engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930462A (en) * 1988-07-01 1990-06-05 Kioritz Corporation Separated lubrication type two-cycle internal combustion engine system
US5020484A (en) * 1989-11-06 1991-06-04 Fuji Jukogyo Kabushiki Kaisha Lubricating system for a two-cycle engine
US6422183B1 (en) * 1998-11-13 2002-07-23 Sanshin Kogyo Kabushiki Kaisha Oil injection lubrication system and methods for two-cycle engines

Also Published As

Publication number Publication date
US20110259294A1 (en) 2011-10-27
WO2012145044A2 (en) 2012-10-26
WO2012145044A4 (en) 2013-01-10

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