ES8501839A1 - A mechanical device for controlling a valve of a heat engine. - Google Patents

A mechanical device for controlling a valve of a heat engine.

Info

Publication number
ES8501839A1
ES8501839A1 ES528341A ES528341A ES8501839A1 ES 8501839 A1 ES8501839 A1 ES 8501839A1 ES 528341 A ES528341 A ES 528341A ES 528341 A ES528341 A ES 528341A ES 8501839 A1 ES8501839 A1 ES 8501839A1
Authority
ES
Spain
Prior art keywords
valve
cam
controlling
mechanical device
heat engine
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
Application number
ES528341A
Other languages
Spanish (es)
Other versions
ES528341A0 (en
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.)
Fiat Auto SpA
Original Assignee
Fiat Auto SpA
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 Fiat Auto SpA filed Critical Fiat Auto SpA
Publication of ES528341A0 publication Critical patent/ES528341A0/en
Publication of ES8501839A1 publication Critical patent/ES8501839A1/en
Expired 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • 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
    • 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
    • F01L13/0021—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 by modification of rocker arm ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

The device is operable to allow the rise and phase of the valve (4) to be varied during operation of the engine (1) and is provided with a rocker (10) cooperating at one end (9) with a stem (5) of the valve (4) and at the other end (12) with an oscillating cam (14) of predetermined shape driven by a cam follower (24) slidable in a seat (25) and cooperating with a rotating cam (26) of predetermined shape. The cam follower (24) receives translational movement from the rotating cam (26) and transmits a reciprocating movement to the oscillating cam (14) and the rocker (10), and is operable to vary its length between two end positions to vary the timing and rise of the valve (4).
ES528341A 1982-12-23 1983-12-22 A mechanical device for controlling a valve of a heat engine. Expired ES8501839A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68506/82A IT1157983B (en) 1982-12-23 1982-12-23 KINEMATIC DEVICE FOR THE CONTROL OF A VALVE OF AN ENDOTHERMAL MOTOR

Publications (2)

Publication Number Publication Date
ES528341A0 ES528341A0 (en) 1984-12-01
ES8501839A1 true ES8501839A1 (en) 1984-12-01

Family

ID=11309632

Family Applications (1)

Application Number Title Priority Date Filing Date
ES528341A Expired ES8501839A1 (en) 1982-12-23 1983-12-22 A mechanical device for controlling a valve of a heat engine.

Country Status (4)

Country Link
EP (1) EP0111768A1 (en)
BR (1) BR8306947A (en)
ES (1) ES8501839A1 (en)
IT (1) IT1157983B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438556A1 (en) * 1984-10-20 1986-04-24 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen VALVE CONTROL OF A RECHARGEED 4-STROKE COMBUSTION ENGINE
JPS62501426A (en) * 1984-12-18 1987-06-11 ユニオン　カ−バイド　コ−ポレ−シヨン Hydrocracking catalyst and method using silicoaluminophosphate molecular sieve
WO1987007323A1 (en) * 1986-05-21 1987-12-03 Bennett Automotive Technology Pty. Ltd. Engines for use with gaseous fuels
IT208171Z2 (en) * 1986-07-29 1988-04-11 Weber Spa CAMERING DEVICE
DE4242634C2 (en) * 1992-12-17 1998-02-05 Uwe Dipl Ing Kirchner Device for the continuous variation of valve lift and timing of the intake and exhaust valves of a reciprocating piston internal combustion engine
DE19509604A1 (en) * 1995-03-16 1996-09-19 Bayerische Motoren Werke Ag Valve train of an internal combustion engine
GB9703605D0 (en) * 1997-02-21 1997-04-09 T & N Technology Ltd Operating mechanisms for valves
GB2323630B (en) * 1997-03-26 2000-09-06 T & N Technology Ltd Operating mechanisms for valves
EP1961927A3 (en) 2003-03-29 2010-01-06 Hydraulik-Ring Gmbh Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine
DE10314683B4 (en) * 2003-03-29 2009-05-07 Entec Consulting Gmbh Variable valve lift control for a combustion engine with a bottom camshaft
EP1853797B1 (en) 2005-03-03 2011-02-16 Hydraulik-Ring GmbH Variable mechanical valve control for an internal combustion engine
DE102005012081B4 (en) * 2005-03-03 2021-09-16 Kolbenschmidt Pierburg Innovations Gmbh Variable mechanical valve control of an internal combustion engine
KR101481328B1 (en) 2013-11-01 2015-01-12 현대중공업 주식회사 Tappet unit for valve train

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2111734A (en) * 1936-01-17 1938-03-22 Riley Percy Hydraulic abutment
US2647500A (en) * 1950-10-28 1953-08-04 Lang Heinrich Valve gear for diesel engines
FR1171218A (en) * 1957-04-13 1959-01-23 Distribution with rapid movement and full extended opening for passage of liquids or fluids and more particularly gases from a heat engine
US2880711A (en) * 1958-02-05 1959-04-07 Henry A Roan Variable valve timing mechanism for engines
US2997991A (en) * 1960-02-08 1961-08-29 Henry A Roan Variable valve timing mechanism for internal combustion engines
FR2357731A1 (en) * 1976-07-08 1978-02-03 Chrysler France Variable lift valve mechanism in IC engine - reduces lift of inlet valve in accordance with increase in suction pressure
JPS56506A (en) * 1979-06-14 1981-01-07 Nissan Motor Co Ltd Valve lift controlling device for internal-combustion engine

Also Published As

Publication number Publication date
IT1157983B (en) 1987-02-18
ES528341A0 (en) 1984-12-01
EP0111768A1 (en) 1984-06-27
BR8306947A (en) 1984-07-31
IT8268506A0 (en) 1982-12-23

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519