DE102012014917A8 - Pressure pulse control for a variable compression ratio adjustment device - Google Patents

Pressure pulse control for a variable compression ratio adjustment device Download PDF

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Publication number
DE102012014917A8
DE102012014917A8 DE201210014917 DE102012014917A DE102012014917A8 DE 102012014917 A8 DE102012014917 A8 DE 102012014917A8 DE 201210014917 DE201210014917 DE 201210014917 DE 102012014917 A DE102012014917 A DE 102012014917A DE 102012014917 A8 DE102012014917 A8 DE 102012014917A8
Authority
DE
Germany
Prior art keywords
compression ratio
adjustment device
pressure pulse
pulse control
variable compression
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.)
Pending
Application number
DE201210014917
Other languages
German (de)
Other versions
DE102012014917A1 (en
Inventor
Markus Kalenborn
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.)
FEV Europe GmbH
Original Assignee
FEV GmbH
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 FEV GmbH filed Critical FEV GmbH
Priority to DE201210014917 priority Critical patent/DE102012014917A1/en
Publication of DE102012014917A1 publication Critical patent/DE102012014917A1/en
Publication of DE102012014917A8 publication Critical patent/DE102012014917A8/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D15/00—Varying compression ratio
    • F02D15/02—Varying compression ratio by alteration or displacement of piston stroke
    • 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
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/045—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable connecting rod length

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
DE201210014917 2011-07-29 2012-07-30 Reciprocating piston engine for motor vehicle, has pressure pulse generator provided between crankshaft and oil reservoir, such that pressure pulse generated by pulse generator is controlled over oil supply control of driving mechanism Pending DE102012014917A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE201210014917 DE102012014917A1 (en) 2011-07-29 2012-07-30 Reciprocating piston engine for motor vehicle, has pressure pulse generator provided between crankshaft and oil reservoir, such that pressure pulse generated by pulse generator is controlled over oil supply control of driving mechanism

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202011110001 2011-07-29
DE202011110001.8 2011-07-29
DE201210014917 DE102012014917A1 (en) 2011-07-29 2012-07-30 Reciprocating piston engine for motor vehicle, has pressure pulse generator provided between crankshaft and oil reservoir, such that pressure pulse generated by pulse generator is controlled over oil supply control of driving mechanism

Publications (2)

Publication Number Publication Date
DE102012014917A1 DE102012014917A1 (en) 2013-02-07
DE102012014917A8 true DE102012014917A8 (en) 2013-04-11

Family

ID=47554248

Family Applications (1)

Application Number Title Priority Date Filing Date
DE201210014917 Pending DE102012014917A1 (en) 2011-07-29 2012-07-30 Reciprocating piston engine for motor vehicle, has pressure pulse generator provided between crankshaft and oil reservoir, such that pressure pulse generated by pulse generator is controlled over oil supply control of driving mechanism

Country Status (1)

Country Link
DE (1) DE102012014917A1 (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013105389B4 (en) * 2013-05-27 2021-12-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Changeover valve and internal combustion engine with such a changeover valve
DE102013105391B4 (en) * 2013-05-27 2021-12-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Changeover valve and internal combustion engine with such a changeover valve
DE102013210494B4 (en) * 2013-06-06 2014-12-31 Schaeffler Technologies Gmbh & Co. Kg Switching devices for switching valves
DE102013107127A1 (en) 2013-07-05 2015-01-08 Hilite Germany Gmbh Connecting rod for a two-stage variable compression
DE102013014090A1 (en) * 2013-08-27 2015-03-05 Dr. Ing. H.C. F. Porsche Ag Internal combustion engine and connecting rod
DE102013112263B4 (en) * 2013-11-07 2022-10-06 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Method for operating an internal combustion engine with an adjustable compression ratio and control device for carrying out the method
DE102013225063A1 (en) * 2013-12-06 2015-06-11 Hochschule Heilbronn Technik, Wirtschaft, Informatik Connecting rod of an internal combustion engine with variable length
DE102013021065A1 (en) 2013-12-18 2015-06-18 Fev Gmbh Piston machine with support piston
DE102014200162B4 (en) * 2014-01-09 2022-09-29 Hochschule Heilbronn Machine, in particular an internal combustion engine, with a movable component that is equipped with a switchable valve
DE102014100585A1 (en) * 2014-01-20 2015-01-22 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Connecting rod and internal combustion engine
DE102014004987A1 (en) 2014-04-07 2015-10-08 Fev Gmbh VCR piston engine with VCR connecting rod
US10202900B2 (en) 2014-05-15 2019-02-12 FEB GmbH Positioning the switching element for a mechanically switched VCR connecting rod
WO2015173412A1 (en) * 2014-05-15 2015-11-19 Fev Gmbh Internal combustion engine having an impact-reducing switching surface for adjusting a variable compression ratio
DE102014007050A1 (en) 2014-05-15 2015-11-19 Fev Gmbh Piston engine with a connecting rod shaft of several parts
DE112015002270A5 (en) * 2014-05-15 2017-02-09 Fev Gmbh VCR piston engine and method of making the VCR piston engine
DE112015002886A5 (en) * 2014-06-18 2017-03-09 Fev Gmbh Internal combustion engine with shock-reducing adjustment of a variable compression ratio
DE112015003492A5 (en) * 2014-07-30 2017-06-14 FEV Europe GmbH Combustion engine with adjustable compression ratio and Zuschaltnocken and method for operating such an internal combustion engine
JP2016118277A (en) * 2014-12-22 2016-06-30 トヨタ自動車株式会社 Variable-length connecting rod and variable compression ratio internal combustion engine
DE102015203387A1 (en) 2015-02-25 2016-08-25 Fev Gmbh Double-acting piston of a VCR engine
DE102015111175A1 (en) * 2015-03-26 2016-09-29 Hilite Germany Gmbh Hydraulic valve and connecting rod with a hydraulic valve
DE102015104762B4 (en) * 2015-03-27 2021-02-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Motor vehicle with internal combustion engine which has an adjustable compression ratio
DE102015111273A1 (en) * 2015-03-27 2016-09-29 Hilite Germany Gmbh Hydraulic valve and connecting rod with a hydraulic valve
DE102015106315B4 (en) * 2015-04-24 2021-09-16 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Actuating device for switching valves of an internal combustion engine and internal combustion engine
JP6277997B2 (en) * 2015-05-15 2018-02-14 トヨタ自動車株式会社 Internal combustion engine
DE102016123635A1 (en) * 2015-12-16 2017-06-22 ECO Holding 1 GmbH Connecting rod for a variable compression internal combustion engine
JP6365570B2 (en) 2016-02-29 2018-08-01 トヨタ自動車株式会社 Variable length connecting rod and variable compression ratio internal combustion engine
JP6376170B2 (en) 2016-05-02 2018-08-22 トヨタ自動車株式会社 Variable compression ratio internal combustion engine
FR3051857B1 (en) * 2016-05-24 2018-06-22 Renault S.A.S ROD FOR COMBUSTION ENGINE WITH VARIABLE COMPRESSION RATE AND CORRESPONDING MOTOR POWER SYSTEM
DE102017121236A1 (en) * 2017-05-04 2018-11-08 ECO Holding 1 GmbH Hydraulic module with a switching valve for controlling a hydraulic fluid flow of a connecting rod for a variable compression internal combustion engine and connecting rods
EP3399168B1 (en) * 2017-05-04 2020-09-16 ECO Holding 1 GmbH Connecting rod for a combustion engine with variable compression having hydraulic module with a selector valve for controlling a hydraulic fluid stream
DE102019103998A1 (en) 2018-06-27 2019-08-29 FEV Europe GmbH Connecting rod of an internal combustion engine to change the compression ratio
CN108843449A (en) * 2018-09-11 2018-11-20 吉林大学 A kind of single-cylinder engine with hydraulic variable compression ratio mechanism
CN111060319A (en) * 2019-12-20 2020-04-24 大连理工大学 Device and method for applying gas force to engine motion mechanism
DE102020112990B3 (en) 2020-05-13 2021-09-16 Hochschule Heilbronn VCR connecting rods with locking system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005055199B4 (en) 2005-11-19 2019-01-31 FEV Europe GmbH Reciprocating internal combustion engine with adjustable variable compression ratio
JP4464916B2 (en) 2005-12-28 2010-05-19 本田技研工業株式会社 Control device for hydraulic actuator in piston

Also Published As

Publication number Publication date
DE102012014917A1 (en) 2013-02-07

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Legal Events

Date Code Title Description
R082 Change of representative

Representative=s name: VON KREISLER SELTING WERNER - PARTNERSCHAFT VO, DE

R082 Change of representative
R081 Change of applicant/patentee

Owner name: FEV EUROPE GMBH, DE

Free format text: FORMER OWNER: FEV GMBH, 52078 AACHEN, DE

R012 Request for examination validly filed
R084 Declaration of willingness to licence