[특허]Dual-acting apparatus for variable valve timing and the like

Dual-acting apparatus for variable valve timing and the like 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01L-001/04
출원번호	US-0083640 (1993-06-28)
발명자 / 주소	Elrod Alvon C. (Clemson SC) Nelson Michael T. (Greenville SC)
출원인 / 주소	Clemson University (Clemson SC 02)
인용정보	피인용 횟수 : 62 인용 특허 : 0

초록 ▼

An apparatus and method effects the cyclical actuation of an actuation member. The apparatus can be driven by a crankshaft and has at least one dual-acting phasing apparatus with at least three rotatable mounted internally splined members and at least a first rotatably mounted, externally splined, flexible member having a portion thereof rotatably disposed within each of at least two of the internally splined members. One inner splined member can be connected nonrotatably to a first rotatable member such as an inner shaft, which is rotatably disposed within an outer shaft of a concentric camshaft. Another internally splined member can be nonrotatably connected to the outer shaft. Yet another internally splined member can be nonrotatably connected to a pulley wheel driven by the crankshaft. A fourth internally splined member can be connected to one of the other three internally splined members. A second externally splined, flexible member can be disposed with a portion thereof rotatably disposed within each of at least two of either the three or four internally splined members. Various configurations of cam members and camlobe members can be disposed as integral portions of the inner shaft and the outer shaft. The cam members can be fixed or variable, full width cam members or splittable cam members. More than one concentric camshaft can be controlled by a single dual-acting phasing mechanism. More than one dual-acting phasing mechanism can be used to control two camshafts, concentric or conventional.

대표청구항 ▼

An apparatus driven by a drive means to effect the cyclical actuation of an actuation member, the apparatus comprising: a first camshaft, said first camshaft having a longitudinal axis of rotation; a first dual-acting phasing mechanism having at least three internally splined members, each of said three internally splined members being individually rotatable about said axis of rotation, at least one of said three internally splined members being nonrotatably connected to said first camshaft; and a first pulley wheel, said first pulley wheel being nonrotatably connected to at least a second one of said three internally splined members. A method of variable valve timing of an engine having at least one camshaft and wherein a dual-acting phasing mechanism has the capability to control a first acting member relative to a reference member as well as the capability to control a second acting member relative to the reference member and independently the first acting member, the method including the steps of: using a crankshaft to drive a first camshaft which cyclically actuates at least one valve of at least one cylinder of an internal combustion engine; using a first dual-acting phasing mechanism to control at least first valve event of said at least one valve actuated by said first camshaft and at least a second valve event so said at least one valve actuated by said first camshaft, wherein the control of each of said first and second valve events occurs independently of one another.

이 특허를 인용한 특허 (62)

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Knecht, Andreas; Polzin, Ulf, Camshaft adjusting device for internal combustion engines of motor vehicles.
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Gauthier, Daniel G.; Stoltz-Douchet, Sebastien; Pfeiffer, Jeffrey M, Camshaft position sensing in engines with electric variable cam phasers.
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Weber,James R.; Leman,Scott A.; Coleman,Gerald N.; Duffy,Kevin P.; Fluga,Eric C.; Kilkenny,Jonathan P., Combustion engine including cam phase-shifting.
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Pluta, Christopher J.; Wigsten, Mark M.; Wyatt, Steven W., Concentric cam with check valves in the spool for a phaser.
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Pluta, Christopher J., Concentric cam with phaser.
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Sisson, James; Pluta, Christopher J., Concentric camshaft phaser flex plate.
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Heer Siegfried,ATX, Device for adjusting the phase angle of a camshaft of an internal combustion engine.
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Heer Siegfried,ATX, Device for adjusting the phase angle of a camshaft of an internal combustion engine.
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Heer Siegfried,ATX, Device for adjusting the phase angle of a camshaft of an internal combustion engine.
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Roth, David B.; Kiener, Joern Timm, Directly communicated turbocharger.
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Roth, David B.; Kiener, Jorn Timm, Directly communicated turbocharger.
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Schaefer, Jens; Steigerwald, Martin; Heywood, Jonathan, Electric camshaft adjuster.
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David, Pascal; Kimus, Pierre; Fox, Michael J.; Cuatt, Daniel R., Electric drive camshaft phaser with torque rate limit at travel stops.
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Burke, Steven; Dupuis, Craig; Chung, Inhwa; Kohrs, Mike; Schaefer, Jens, Electric phasing of a concentric camshaft.
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Stoltz-Douchet, Sebastien; Mafrica, Sebastien, Electrical camshaft phaser with energy recovery.
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David, Pascal; Kimus, Pierre; Bourniche, Eric, Electrically actuated camshaft phaser.
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Harmon,Michael Patrick, Engine valve actuation system.
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Harmon,Michael Patrick, Engine valve actuation system.
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Sellars, Daniel Thomas, Engines with variable valve actuation and vehicles including the same.
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Molina Roberto,ITX ; Golzio Luciano,ITX ; Mion Paolo,ITX ; Ghelfi Giuseppe,ITX, External drive double shaft overhead cam engine.
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Pluta, Christopher J.; Wigsten, Mark M.; Marsh, Michael W., Flexible coupling/linkage for an actuator.
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Taye,Elias; Lequesne,Bruno, Harmonic drive camshaft phaser.
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David, Pascal; Kimus, Pierre; Fox, Michael James, Harmonic drive camshaft phaser and method for using.
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David, Pascal; Kimus, Pierre, Harmonic drive camshaft phaser using oil for lubrication.
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David, Pascal; Kimus, Pierre; Fox, Michael J., Harmonic drive camshaft phaser with a compact drive sprocket.
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David, Pascal; Kimus, Pierre, Harmonic drive camshaft phaser with a harmonic drive ring to prevent ball cage deflection.
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Fischer, Thomas H., Harmonic drive camshaft phaser with lock pin for selectivley preventing a change in phase relationship.
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David, Pascal; Kimus, Pierre; Fox, Michael J., Harmonic drive camshaft phaser with phase authority stops.
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Cho, Chang-hyun; Kim, Munsang, Harmonic drive using profile shifted gear.
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Bryant, Clyde C., Internal combustion engine and working cycle.
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Bryant,Clyde C., Internal combustion engine and working cycle.
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Bryant,Clyde C., Internal combustion engine and working cycle.
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Takahashi, Masayuki, Internal combustion engine with variable valve opening characteristics.
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Berger, Alvin Henry, Mechanical variable camshaft timing device.
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Cleary, David J.; Najt, Paul M.; Marriott, Craig D.; Chang, Junseok, Method and apparatus for continuously variable differential phasing of engine valve operation.
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Schnaubelt, Michael; Schultalbers, Matthias; Scheffer, Norbert; Gao, Hans, Method for simultaneously moving cam shafts of various cylinder banks pertaining to an internal combustion engine.
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Jesel, Daniel H., Modular camshaft assembly.
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David, Pascal; Kimus, Pierre; Van Heyningen, Paul R., Modular electrically actuated camshaft phaser.
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Gajewski, Witold, Non-circular rotary component.
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Gajewski,Witold, Non-circular rotary component.
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Regueiro Jose F., Phase changing device.
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Kiyosawa Yoshihide,JPX, Phase regulating apparatus.
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Lewis Henry E., Variable angle camshaft.
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Murata Shinichi,JPX ; Isomoto Jun,JPX ; Kubo Masahiko,JPX ; Hirano Takaaki,JPX, Variable valve driving mechanism.
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Dual-acting apparatus for variable valve timing and the like 원문보기

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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Dual-acting apparatus for variable valve timing and the like 원문보기

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