PT80409A - Variavle duplex camshaft - Google Patents

Variavle duplex camshaft

Info

Publication number
PT80409A
PT80409A PT8040985A PT8040985A PT80409A PT 80409 A PT80409 A PT 80409A PT 8040985 A PT8040985 A PT 8040985A PT 8040985 A PT8040985 A PT 8040985A PT 80409 A PT80409 A PT 80409A
Authority
PT
Portugal
Prior art keywords
variavle
camshaft
duplex
variavle duplex
duplex camshaft
Prior art date
Application number
PT8040985A
Other languages
Portuguese (pt)
Original Assignee
David Antonio Dos Santos
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 David Antonio Dos Santos filed Critical David Antonio Dos Santos
Priority to PT8040985A priority Critical patent/PT80409A/en
Publication of PT80409A publication Critical patent/PT80409A/en
Priority to DE19853536742 priority patent/DE3536742A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L13/0042—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams being profiled in axial and radial direction
    • 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
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
PT8040985A 1985-05-08 1985-05-08 Variavle duplex camshaft PT80409A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PT8040985A PT80409A (en) 1985-05-08 1985-05-08 Variavle duplex camshaft
DE19853536742 DE3536742A1 (en) 1985-05-08 1985-10-15 Adjustable duplex camshaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT8040985A PT80409A (en) 1985-05-08 1985-05-08 Variavle duplex camshaft

Publications (1)

Publication Number Publication Date
PT80409A true PT80409A (en) 1985-06-01

Family

ID=20083676

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8040985A PT80409A (en) 1985-05-08 1985-05-08 Variavle duplex camshaft

Country Status (2)

Country Link
DE (1) DE3536742A1 (en)
PT (1) PT80409A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4228901A1 (en) * 1992-08-29 1994-03-03 Zbigniew Kacprzak Variable control for IC engine valves - has axially slidable camshaft with conical cams and includes tilting lever with rotary parts.
DE4230809C2 (en) * 1992-09-02 1995-03-09 Steckhan Helmut Prof Dr Valve control for internal combustion engines
JP3945117B2 (en) * 2000-03-09 2007-07-18 トヨタ自動車株式会社 Valve characteristic control device for internal combustion engine
DE10330871A1 (en) * 2003-07-09 2005-01-27 Ina-Schaeffler Kg Fully variable valve train
DE102007003997A1 (en) 2007-01-26 2008-07-31 Schaeffler Kg Adjustment device for the axial adjustment of a camshaft by means of a Verstellaktuators
DE102007023617B4 (en) * 2007-05-18 2020-06-04 Herbert Naumann Camshaft adjuster
CN102182529A (en) * 2011-05-24 2011-09-14 奇瑞汽车股份有限公司 Variable lift camshaft
DE102012012661A1 (en) 2012-06-23 2013-12-24 Volkswagen Aktiengesellschaft Adjustable valve controller for continuous or gradual changing of e.g. valve control time in range from low rotational speeds upto high rotational speeds of internal combustion engine, has arm rotatably mounted around longitudinal axis

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE368775C (en) * 1923-02-09 Samuel Haltenberger Automatic altitude control device for aircraft engines
DE2336241A1 (en) * 1973-07-17 1975-02-06 Volkswagenwerk Ag Compound camshaft assembly for combustion engine - consists of shaft carrying separate bearings cams gearwheels etc fixed in correct positions
DE2514727A1 (en) * 1974-10-24 1975-10-09 Hinderks M V Reciprocating IC vehicle engine - has adjustable variable profile cam for valves to vary compression ratio

Also Published As

Publication number Publication date
DE3536742A1 (en) 1986-11-13

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