MX9801033A - Motores de combustion interna de cuatro tiempos con frenado de liberacion de compresion de dos tiempos. - Google Patents

Motores de combustion interna de cuatro tiempos con frenado de liberacion de compresion de dos tiempos.

Info

Publication number
MX9801033A
MX9801033A MX9801033A MX9801033A MX9801033A MX 9801033 A MX9801033 A MX 9801033A MX 9801033 A MX9801033 A MX 9801033A MX 9801033 A MX9801033 A MX 9801033A MX 9801033 A MX9801033 A MX 9801033A
Authority
MX
Mexico
Prior art keywords
cycle
intake
exhaust
engine
linkages
Prior art date
Application number
MX9801033A
Other languages
English (en)
Inventor
Haoran Hu
Original Assignee
Diesel Engine Retarders Inc
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 Diesel Engine Retarders Inc filed Critical Diesel Engine Retarders Inc
Publication of MX9801033A publication Critical patent/MX9801033A/es

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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • 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
    • F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
    • 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
    • F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
    • F01L13/085—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio the valve-gear having an auxiliary cam protruding from the main cam profile
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/04—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation using engine as brake
    • 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
    • F01L1/36—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle
    • F01L1/38—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle for engines with other than four-stroke cycle, e.g. with two-stroke cycle
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34446—Fluid accumulators for the feeding circuit
    • 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
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

Un motor de combustion interna (10) tiene válvulas de admision de cilindro de motor y de escape (30, 60) que son abiertas por las levas de admision y escape (40, 70) mediante enlaces hidráulicos (54, 84). Los enlaces hidráulicos (54, 84) tienen movimiento perdido selectivo que permite la modificacion selectiva de las aberturas y cierres de las válvulas del cilindro del motor(30, 60). Estas modificaciones pueden incluir la completa omision de toda respuesta a la salientes particulares sobre las levas (40, 70). Los enlaces hidráulicos pueden estar interconectados de manera que se producen algunas aberturas de válvula de admision mediante una saliente de leva de escape y se producen algunas aberturas de válvulas de escape mediante una saliente de leva de admision. Los enlaces y las interconexiones de enlace son controladas preferiblemente de modo electronico. El motor es preferiblemente operable ya sea en el modo de energía positiva de cuatro tiempos o el modo de frenado de motor de liberacion de compresion de dos tiempos.
MX9801033A 1995-08-08 1996-08-02 Motores de combustion interna de cuatro tiempos con frenado de liberacion de compresion de dos tiempos. MX9801033A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/512,540 US5537976A (en) 1995-08-08 1995-08-08 Four-cycle internal combustion engines with two-cycle compression release braking
PCT/US1996/012718 WO1997006354A1 (en) 1995-08-08 1996-08-02 Four-cycle internal combustion engines with two-cycle compression release braking

Publications (1)

Publication Number Publication Date
MX9801033A true MX9801033A (es) 1998-05-31

Family

ID=24039538

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9801033A MX9801033A (es) 1995-08-08 1996-08-02 Motores de combustion interna de cuatro tiempos con frenado de liberacion de compresion de dos tiempos.

Country Status (6)

Country Link
US (1) US5537976A (es)
EP (1) EP0843780B1 (es)
JP (1) JPH11513092A (es)
DE (1) DE69605804T2 (es)
MX (1) MX9801033A (es)
WO (1) WO1997006354A1 (es)

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Also Published As

Publication number Publication date
EP0843780B1 (en) 1999-12-22
JPH11513092A (ja) 1999-11-09
DE69605804T2 (de) 2000-05-11
EP0843780A1 (en) 1998-05-27
WO1997006354A1 (en) 1997-02-20
DE69605804D1 (de) 2000-01-27
US5537976A (en) 1996-07-23

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