ES274927U - Empujavalvulas para motores de combustion interna - Google Patents
Empujavalvulas para motores de combustion internaInfo
- Publication number
- ES274927U ES274927U ES1983274927U ES274927U ES274927U ES 274927 U ES274927 U ES 274927U ES 1983274927 U ES1983274927 U ES 1983274927U ES 274927 U ES274927 U ES 274927U ES 274927 U ES274927 U ES 274927U
- Authority
- ES
- Spain
- Prior art keywords
- tappet
- internal combustion
- camshafts
- combustion engines
- variable profile
- 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.)
- Granted
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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
- F01L1/143—Tappets; Push rods for use with overhead 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
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2307/00—Preventing the rotation of tappets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Gears, Cams (AREA)
Abstract
1. Empujaválvulas para motores de combustión interna de ejes de leva de perfil variable (1) caracterizado porque comprende: - un bloque deslizante paralelepípedo esencialmente rectangular (3) que tiene una superficie plana (4) para el contacto con una leva (2) y en su superficie opuesta a la superficie de contacto (4), un saliente (5) de sección parcialmente circular que se extiende coaxialmente por todo el eje principal del bloque (3); - un soporte de cojinete paralelepípedo esencialmente rectangular (7) para el bloque (3), que tiene una superficie superior un asidero (6) que es coaxial con su eje principal y acoplable por el saliente (5) del bloque deslizante (3) y dos guías semi-cilindricas (8) dispuestas en el centro de los lados opuestos para impedir el giro del soporte (7) alrededor del eje de la válvula, cuando trabaja, y - una copa cilíndrica (13) que tiene una superficie superior, dos patillas (12) que definen un asiento receptor para el soporte del cojinete (7) y trabajando, poderresisitir el empuje generado por el deslizamiento de la leva (2) en el bloque deslizante (3) y un asiento cilíndrico (14) para recibir discos (5) de espesores distintos al realizar el ajuste del empujaválvulas. 2. Empujaválvulas según la reivindicación 1, caracterizado porque las guías semi-cilíndricas (8) tiene paredes planas respectivas (9) que se encaran hacia dentro y son paralelas al eje principal del soporte de cojinete (7). 3. Empujaválvulas según la reivindicación 1, caracterizado porque las guías semi-cilíndricas (8) se introduce en los asientos semi-cilíndricos (11) formados en la culata (10) de un motor. 4. Empujaválvulas según la reivindicación 1, caracterizado porque las patillas (12) tienen una curvatura hacia dentro ligera respecto a la pared lateral de la copa (13). 5. Empujaválvulas para motores de combustión interna.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68194/82A IT1156204B (it) | 1982-10-12 | 1982-10-12 | Sistema di punteria per motori con alberi a camme a profilo verticale |
Publications (2)
Publication Number | Publication Date |
---|---|
ES274927U true ES274927U (es) | 1984-02-16 |
ES274927Y ES274927Y (es) | 1984-10-01 |
Family
ID=11308437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1983274927U Expired ES274927Y (es) | 1982-10-12 | 1983-10-11 | Empujavalvulas para motores de combustion interna |
Country Status (7)
Country | Link |
---|---|
US (1) | US4517936A (es) |
EP (1) | EP0108238B1 (es) |
JP (1) | JPS5990711A (es) |
BR (1) | BR8305611A (es) |
DE (1) | DE3361240D1 (es) |
ES (1) | ES274927Y (es) |
IT (1) | IT1156204B (es) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1182480B (it) * | 1985-07-02 | 1987-10-05 | Fiat Auto Spa | Sistema di punteria per motori a combustione interna provvisti di alberi con camme a profilo variabile |
GB8610727D0 (en) * | 1986-05-01 | 1986-06-04 | Walters Eng Consultant Ltd Chr | Valve lift mechanism |
WO1987006647A1 (en) * | 1986-05-01 | 1987-11-05 | Chris Walters (Engineering Consultant) Limited | Valve-control mechanism |
IT1195192B (it) * | 1986-10-07 | 1988-10-12 | Fiat Auto Spa | Comando valvole per motori ad alberi a camme in testa |
GB8711993D0 (en) * | 1987-05-21 | 1987-06-24 | Jaguar Cars | Cam mechanisms |
JPH029362U (es) * | 1988-06-30 | 1990-01-22 | ||
US4850311A (en) * | 1988-12-09 | 1989-07-25 | General Motors Corporation | Three dimensional cam cardanic follower valve lifter |
CA2054877C (en) * | 1990-12-14 | 1994-06-14 | John Joseph Krieg | Low mass valve lifters |
US5159906A (en) * | 1991-05-03 | 1992-11-03 | Ford Motor Company | Adjustable valve system for an internal combustion engine |
GB2279718A (en) * | 1993-07-02 | 1995-01-11 | Robert Alexander James | A variable camshaft |
JP3275761B2 (ja) * | 1996-05-13 | 2002-04-22 | トヨタ自動車株式会社 | 内燃機関の動弁装置 |
JPH1030413A (ja) * | 1996-07-12 | 1998-02-03 | Toyota Motor Corp | 内燃機関のバルブ特性制御装置 |
US5803033A (en) * | 1996-11-08 | 1998-09-08 | Toyota Jidosha Kabushiki Kaisha | Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve |
JPH10196333A (ja) * | 1997-01-14 | 1998-07-28 | Toyota Motor Corp | バルブリフタ構造 |
DE59808217D1 (de) * | 1997-03-21 | 2003-06-12 | Stefan Battlogg | Nockenwelle |
JPH10317927A (ja) * | 1997-05-15 | 1998-12-02 | Toyota Motor Corp | 内燃機関のバルブ特性制御装置 |
JPH11200824A (ja) * | 1998-01-20 | 1999-07-27 | Denso Corp | 可変弁制御装置 |
JPH11210433A (ja) * | 1998-01-29 | 1999-08-03 | Denso Corp | 可変弁制御装置 |
JPH11218014A (ja) | 1998-02-03 | 1999-08-10 | Toyota Motor Corp | 可変バルブタイミング装置 |
JP3539182B2 (ja) | 1998-02-20 | 2004-07-07 | トヨタ自動車株式会社 | 可変バルブタイミング装置 |
JP2000073710A (ja) * | 1998-08-31 | 2000-03-07 | Toyota Motor Corp | 3次元カム用揺動フォロワ機構 |
JP3700409B2 (ja) | 1998-09-04 | 2005-09-28 | トヨタ自動車株式会社 | 3次元カム用バルブリフタおよび可変動弁装置 |
JP2000104570A (ja) * | 1998-09-28 | 2000-04-11 | Toyota Motor Corp | 内燃機関の回転数制御装置 |
US6318313B1 (en) | 1998-10-06 | 2001-11-20 | Toyota Jidosha Kabushiki Kaisha | Variable performance valve train having three-dimensional cam |
DE10332980A1 (de) * | 2003-07-21 | 2005-02-10 | Bayerische Motoren Werke Ag | Ventilstößeleinrichtung, insbesondere drehgesicherter Tassenstößel mit gekrümmter Nockenfolgefläche |
WO2006094213A1 (en) * | 2005-03-03 | 2006-09-08 | Timken Us Corporation | Valve actuator assembly |
KR101209743B1 (ko) * | 2010-09-14 | 2012-12-07 | 현대자동차주식회사 | 가변 밸브 리프트 장치 |
CN102518632B (zh) * | 2011-12-01 | 2016-05-25 | 洛阳巨创轴承科技有限公司 | 一种防止背衬轴承挡圈与滚子组非正常接触的方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733619A (en) * | 1956-02-07 | smith | ||
GB605242A (en) * | 1945-02-09 | 1948-07-19 | Saurer Ag Adolph | Improvements in and relating to cam-actuated tappets |
US2508557A (en) * | 1946-11-15 | 1950-05-23 | American Bosch Corp | Eccentric follower mechanism |
US3730150A (en) * | 1971-10-20 | 1973-05-01 | S Codner | Method and apparatus for control of valve operation |
JPS55161907A (en) * | 1979-06-06 | 1980-12-16 | Yamaha Motor Co Ltd | Tappet shim exchanging tool for engine |
US4335685A (en) * | 1979-10-19 | 1982-06-22 | Caterpillar Tractor Co. | Lifter assembly |
US4249428A (en) * | 1980-02-04 | 1981-02-10 | The Singer Company | Cam follower with pivotally movable cam engagable shoe |
-
1982
- 1982-10-12 IT IT68194/82A patent/IT1156204B/it active
-
1983
- 1983-09-29 DE DE8383109723T patent/DE3361240D1/de not_active Expired
- 1983-09-29 EP EP83109723A patent/EP0108238B1/en not_active Expired
- 1983-10-11 BR BR8305611A patent/BR8305611A/pt not_active IP Right Cessation
- 1983-10-11 ES ES1983274927U patent/ES274927Y/es not_active Expired
- 1983-10-12 JP JP58189433A patent/JPS5990711A/ja active Granted
- 1983-10-12 US US06/541,180 patent/US4517936A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES274927Y (es) | 1984-10-01 |
EP0108238A1 (en) | 1984-05-16 |
DE3361240D1 (en) | 1985-12-19 |
JPS5990711A (ja) | 1984-05-25 |
US4517936A (en) | 1985-05-21 |
EP0108238B1 (en) | 1985-11-13 |
BR8305611A (pt) | 1984-05-15 |
IT8268194A0 (it) | 1982-10-12 |
JPH0545765B2 (es) | 1993-07-12 |
IT1156204B (it) | 1987-01-28 |
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