DE29910170U1 - Valve train, in particular for internal combustion engines - Google Patents

Valve train, in particular for internal combustion engines

Info

Publication number
DE29910170U1
DE29910170U1 DE29910170U DE29910170U DE29910170U1 DE 29910170 U1 DE29910170 U1 DE 29910170U1 DE 29910170 U DE29910170 U DE 29910170U DE 29910170 U DE29910170 U DE 29910170U DE 29910170 U1 DE29910170 U1 DE 29910170U1
Authority
DE
Germany
Prior art keywords
cam element
valve train
bore
train according
valve
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.)
Expired - Lifetime
Application number
DE29910170U
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE29916363U priority Critical patent/DE29916363U1/en
Publication of DE29910170U1 publication Critical patent/DE29910170U1/en
Priority to US10/074,811 priority patent/US6705262B2/en
Priority to US10/075,066 priority patent/US20020073948A1/en
Priority to US10/213,625 priority patent/US6802287B2/en
Priority to US10/706,830 priority patent/US6796277B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L1/0532—Camshafts overhead type the cams being directly in contact with the driven valve
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/08—Shape of cams
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/30—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of positively opened and closed valves, i.e. desmodromic valves
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • 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
    • F16H—GEARING
    • F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
    • F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
    • 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
    • F16H—GEARING
    • F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
    • F16H53/06—Cam-followers
    • 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
    • F01L2301/00—Using particular materials

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (7)

1. Ventiltrieb, insbesondere für Brennkraftmaschinen von Kraftfahrzeugen, mit einem an­ getriebenen Nockenelement (2) und mit einem vom Nockenelement (2) verschieb- oder verschwenkbaren Ventilstellglied (10), wobei das Nockenelement (2) drehbar in einem flexiblen Umschließungselement (4) angeordnet ist, das in einer zur Drehachse (8) des Nockenelementes (4) senkrechten Ebene beweglich und mit dem Ventilstell­ glied (10) verbunden ist, dadurch gekennzeichnet, daß in der Umfangsfläche des Nockenelementes (2) und/oder der Innenfläche des flexiblen Umschließungselementes (4) eine Mündungsöffnung für ein reibungsverminderndes Medium vorgesehen ist.1. Valve train, in particular for internal combustion engines of motor vehicles, with a driven cam element ( 2 ) and with a cam element ( 2 ) displaceable or pivotable valve actuator ( 10 ), the cam element ( 2 ) being rotatably arranged in a flexible enclosing element ( 4 ) which is movable in a plane perpendicular to the axis of rotation ( 8 ) of the cam element ( 4 ) and is connected to the valve actuator ( 10 ), characterized in that in the peripheral surface of the cam element ( 2 ) and / or the inner surface of the flexible enclosing element ( 4 ) an opening for a friction-reducing medium is provided. 2. Ventiltrieb nach Anspruch 1, dadurch gekennzeichnet, daß das Nockenelement (2) mindestens eine zur Drehachse (8) radiale Bohrung (3) aufweist, die in die Umfangs­ fläche mündet.2. Valve train according to claim 1, characterized in that the cam element ( 2 ) has at least one to the axis of rotation ( 8 ) radial bore ( 3 ) which opens into the peripheral surface. 3. Ventiltrieb nach Anspruch 2, dadurch gekennzeichnet, daß das Nockenelement (2) auf einer hohlen Trägerwelle (1) angeordnet ist, in der mindestens eine mit der Bohrung (3) des Nockenelementes (2) fluchtende Bohrung (30) vorgesehen ist.3. Valve train according to claim 2, characterized in that the cam element ( 2 ) is arranged on a hollow carrier shaft ( 1 ) in which at least one bore ( 30 ) aligned with the bore ( 3 ) of the cam element ( 2 ) is provided. 4. Ventiltrieb nach Anspruch 3, dadurch gekennzeichnet, daß die Trägerwelle (1) zumin­ dest zwei Bohrungen (30) aufweist, deren Achsen um eine Teilungswinkel von 360° versetzt sind.4. Valve train according to claim 3, characterized in that the carrier shaft ( 1 ) has at least two bores ( 30 ), the axes of which are offset by a pitch angle of 360 °. 5. Ventiltrieb nach Anspruch 4, dadurch gekennzeichnet, daß das Nockenelement (2) eine zweite Bohrung (3) aufweist, die mit einer zweiten Bohrung (30) der Trägerwelle (1) fluchtet, und in die ein das Nockenelement (2) verdrehfest auf der Trägerwelle (1) festlegender Stift (20) eingesetzt ist.5. Valve drive according to claim 4, characterized in that the cam element ( 2 ) has a second bore ( 3 ) which is aligned with a second bore ( 30 ) of the carrier shaft ( 1 ), and in which the cam element ( 2 ) is non-rotatably the carrier shaft ( 1 ) defining pin ( 20 ) is used. 6. Ventiltrieb nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Mün­ dungsöffnung für das reibungsvermindernde Medium in einer Umfangsnut (16) des Nockenelementes (2) liegt.6. Valve train according to one of claims 1 to 5, characterized in that the Mün opening for the friction-reducing medium in a circumferential groove ( 16 ) of the cam element ( 2 ). 7. Ventiltrieb nach Anspruch 6, dadurch gekennzeichnet, daß das Umschließungs­ element (4) in die Umfangsnut (16) eingelegt ist.7. Valve train according to claim 6, characterized in that the enclosing element ( 4 ) is inserted into the circumferential groove ( 16 ).
DE29910170U 1998-06-16 1999-06-10 Valve train, in particular for internal combustion engines Expired - Lifetime DE29910170U1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE29916363U DE29916363U1 (en) 1998-06-16 1999-06-10 Valve train, in particular for internal combustion engines
US10/074,811 US6705262B2 (en) 1998-06-16 2002-02-12 Valve mechanism, in particular for internal combustion engines of motor vehicles
US10/075,066 US20020073948A1 (en) 1998-06-16 2002-02-12 Valve mechanism, in particular for internal combustion engines
US10/213,625 US6802287B2 (en) 1998-06-16 2002-08-06 Valve mechanism, in particular for internal combustion engines
US10/706,830 US6796277B2 (en) 1998-06-16 2003-11-12 Valve mechanism, in particular for internal combustion engines of motor vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT102798 1998-06-16

Publications (1)

Publication Number Publication Date
DE29910170U1 true DE29910170U1 (en) 1999-12-09

Family

ID=3505111

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29910170U Expired - Lifetime DE29910170U1 (en) 1998-06-16 1999-06-10 Valve train, in particular for internal combustion engines

Country Status (1)

Country Link
DE (1) DE29910170U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817908A1 (en) * 2000-12-11 2002-06-14 Peugeot Citroen Automobiles Sa Control device for i.c. engine inlet and exhaust valve comprises camshaft with cam activating valve, connection needle cage fixed to valve extends in cam outer periphery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817908A1 (en) * 2000-12-11 2002-06-14 Peugeot Citroen Automobiles Sa Control device for i.c. engine inlet and exhaust valve comprises camshaft with cam activating valve, connection needle cage fixed to valve extends in cam outer periphery

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000113

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20021018

R157 Lapse of ip right after 6 years

Effective date: 20060103