A rocker arm assembly including a rocker body having an upper wall arranged above a pivot axis, two ears extending from opposing sides of the upper wall and defining a pivot bore coaxial with the pivot axis, and a pad end wall and a socket end wall each extending from the upper wall and the ears. A pad having a convex pad surface is formed on the pad end wall for engaging a valve and a socket having a concave socket surface is formed on the socket end wall for engaging a pushrod. The rocker arm assembly further includes a trunnion body and a bearing, each disposed in the pivot bores and for facilitating pivoting movement between the rocker body and the trunnion body.
A tappet assembly for use in translating force between a camshaft lobe and a fuel pump assembly via reciprocal movement within a tappet cylinder having a guide slot. The tappet assembly comprises a tappet body defining a pair of apertures and at least one seat, and a follower assembly. The follower assembly has a shaft, a first bearing, and a second bearing, each supported on the shaft for engaging the camshaft lobe. An intermediate element is further supported on the shaft between the first and second bearings and has a platform for engaging the fuel pump assembly. The intermediate element is at least partially disposed in the at least one seat of the tappet body and the shaft is disposed in the pair of apertures of the tappet body.
F02M 59/10 - Pompes spécialement adaptées à l'injection de combustible non couvertes dans les groupes du type à piston alternatif caractérisées par l'entraînement du piston
F02M 59/06 - Pompes spécialement adaptées à l'injection de combustible non couvertes dans les groupes du type à piston alternatif caractérisées par la disposition particulière des cylindres par rapport à l'arbre d'entraînement des pistons, p. ex. parallèle à cet arbre avec cylindres disposés radialement autour de l'arbre d'entraînement, p. ex. en V ou en étoile
F04B 1/04 - "Machines" ou pompes multicylindres caractérisées par le nombre ou la disposition des cylindres ayant des cylindres disposés en étoile ou en éventail
3.
Tappet assembly for use in a high-pressure fuel system of an internal combustion engine
A tappet assembly for use in translating force between a camshaft lobe and a fuel pump assembly via reciprocal movement within a tappet cylinder having a guide slot. The tappet assembly comprises a tappet body having a shelf and defining a pair of apertures, and a follower assembly. The follower assembly has a shaft, a first bearing and a second bearing, each supported on the shaft for engaging the camshaft lobe. A beam is further supported on the shaft between the first and second bearings and has a platform for engaging the fuel pump assembly. The shaft is disposed in the pair of apertures of the tappet body and the beam is arranged in the tappet body and engaged with the shelf.
F02M 59/10 - Pompes spécialement adaptées à l'injection de combustible non couvertes dans les groupes du type à piston alternatif caractérisées par l'entraînement du piston
F16H 25/14 - Transmissions comportant essentiellement et uniquement des systèmes came et galet ou des mécanismes à vis et écrous pour convertir un mouvement rotatif en mouvement alternatif et vice versa avec mouvement alternatif perpendiculaire à l'axe de rotation
4.
TAPPET ASSEMBLY FOR USE IN A HIGH-PRESSURE FUEL SYSTEM OF AN INTERNAL COMBUSTION ENGINE
A tappet assembly for use in translating force between a camshaft lobe and a fuel pump assembly via reciprocal movement within a tappet cylinder having a guide slot. The tappet assembly comprises a tappet body defining a pair of apertures and a pair of seats, and a follower assembly. The follower assembly has a shaft, a first bearing and a second bearing, each supported on the shaft for engaging the camshaft lobe. An intermediate element is further supported on the shaft between the first and second bearings and has a platform for engaging the fuel pump assembly. The intermediate element is at least partially disposed in the pair of seats of the tappet body and the shaft is disposed in the pair of apertures of the tappet body.
F02M 59/10 - Pompes spécialement adaptées à l'injection de combustible non couvertes dans les groupes du type à piston alternatif caractérisées par l'entraînement du piston
F02M 59/44 - Détails, parties constitutives ou accessoires, non couverts dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
F16C 19/26 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à rouleaux essentiellement du même gabarit, disposés dans une ou plusieurs rangées circulaires, p. ex. roulements à aiguilles pour charges radiales principalement avec une seule rangée de rouleaux
5.
Tappet assembly for use in a high-pressure fuel system of an internal combustion engine
A tappet assembly for use in translating force between a camshaft lobe and a fuel pump assembly via reciprocal movement within a tappet cylinder having a guide slot. The tappet assembly comprises a tappet body defining a pair of apertures and a pair of seats, and a follower assembly. The follower assembly has a shaft, a first bearing and a second bearing, each supported on the shaft for engaging the camshaft lobe. An intermediate element is further supported on the shaft between the first and second bearings and has a platform for engaging the fuel pump assembly. The intermediate element is at least partially disposed in the pair of seats of the tappet body and the shaft is disposed in the pair of apertures of the tappet body.
F02M 59/10 - Pompes spécialement adaptées à l'injection de combustible non couvertes dans les groupes du type à piston alternatif caractérisées par l'entraînement du piston
F02M 59/44 - Détails, parties constitutives ou accessoires, non couverts dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
6.
Tappet assembly for use in an internal combustion engine high-pressure fuel system
A tappet assembly for use in translating force between a camshaft lobe and a fuel pump assembly via reciprocal movement within a tappet cylinder having a guide slot. The tappet assembly includes a bearing assembly having a shaft and a bearing rotatably supported by the shaft for engaging the lobe. An intermediate element has a shelf for engaging the fuel pump assembly, and a pair of arc-shaped bearing surfaces rotatably engaging the shaft when the bearing engages the lobe and the shelf engages the fuel pump assembly. The intermediate element includes a pair of lock apertures. The bearing assembly further includes a pair of shields supported on the shaft of the bearing assembly with the bearing interposed between the shields. The shields include a pair of opposing fingers for engaging the lock apertures so as to substantially retain the bearing assembly to the intermediate element and so as to substantially retain the shaft of the bearing assembly within the annular body in absence of engagement between the bearing and the camshaft lobe.
F02M 59/10 - Pompes spécialement adaptées à l'injection de combustible non couvertes dans les groupes du type à piston alternatif caractérisées par l'entraînement du piston
F02M 59/06 - Pompes spécialement adaptées à l'injection de combustible non couvertes dans les groupes du type à piston alternatif caractérisées par la disposition particulière des cylindres par rapport à l'arbre d'entraînement des pistons, p. ex. parallèle à cet arbre avec cylindres disposés radialement autour de l'arbre d'entraînement, p. ex. en V ou en étoile
F04B 1/04 - "Machines" ou pompes multicylindres caractérisées par le nombre ou la disposition des cylindres ayant des cylindres disposés en étoile ou en éventail
F02M 39/02 - Aménagements des appareils d'injection de combustible permettant l'entraînement des pompesAménagements des pompes d'injectionEntraînement des pompes
A tappet assembly for use in translating force between a camshaft lobe and a fuel pump assembly via reciprocal movement within a tappet cylinder having a guide slot. The tappet assembly includes a bearing assembly having a shaft and a bearing rotatably supported by the shaft for engaging the lobe. An intermediate element has a first aperture, a shelf for engaging the fuel pump assembly, and a pair of arc-shaped bearing surfaces rotatably engaging the shaft when the bearing engages the lobe and the shelf engages the fuel pump assembly. An annular body has a second aperture and at least one stop member abutting the intermediate element to align the first aperture with the second aperture. An anti-rotation clip is disposed so as to extend through the apertures and cooperates with the stop member to substantially prevent rotational and axial movement of the intermediate element with respect to the body.
F02M 59/10 - Pompes spécialement adaptées à l'injection de combustible non couvertes dans les groupes du type à piston alternatif caractérisées par l'entraînement du piston
F02M 59/06 - Pompes spécialement adaptées à l'injection de combustible non couvertes dans les groupes du type à piston alternatif caractérisées par la disposition particulière des cylindres par rapport à l'arbre d'entraînement des pistons, p. ex. parallèle à cet arbre avec cylindres disposés radialement autour de l'arbre d'entraînement, p. ex. en V ou en étoile
F04B 1/04 - "Machines" ou pompes multicylindres caractérisées par le nombre ou la disposition des cylindres ayant des cylindres disposés en étoile ou en éventail
F02M 39/02 - Aménagements des appareils d'injection de combustible permettant l'entraînement des pompesAménagements des pompes d'injectionEntraînement des pompes
A locator for use in a valvetrain of a cylinder head of an internal combustion engine having a valve substantially concentrically aligned with both a valve spring and a support, the support at least partially extending into the valve spring. The locator includes an annulus seat that supports the valve spring. The locator further includes a tapered ring operatively attached to the seat that has a tapered inner surface, for at least partially accommodating the support of the valvetrain therein, and a tapered outer surface, for at least partially engaging and concentrically aligning with the valve spring. The locator also includes a plurality of radially-spaced lobes. The lobes are disposed on the inner surface of the ring and at least partially engage the support such that the locator substantially concentrically aligns the valve spring with the valve and the support.
A rocker arm assembly (54) for a valvetrain (36) having a valve (38), an adjuster (52), and a camshaft (28) lobe (50). A shaft (56) rotatably supporting a bearing (58) is provided for engaging the lobe (50). An arm (60) is provided with a pad (62) for engaging the valve (38) and a socket (64) for engaging the adjuster (52). Walls (70) disposed between the pad (62) and socket (64) define a valley (72) for the shaft (56). Upwardly -opening bearing surfaces (74) disposed between the pad (62) and the socket (64) rotatably support the shaft (56) when the bearing (58) engages the lobe (50). A pair of retention elements (76) extend from the walls (70) into the valley (72) above the bearing surfaces (74) such that the shaft (56) is prevented from moving out of the valley (72) in absence of engagement between the bearing (58) and the lobe (50).
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
A valvetrain for translating force and oil between a valve and intermediate member of an engine, including a rocker, a shaft, and a recess. The rocker has an inner surface, a pad for engaging the valve, a socket for engaging the intermediate member, a socket port defined in the surface, and a socket channel extending from the socket port to the socket. The shaft has a bearing surface for supporting the rocker, a channel spaced from the bearing surface, a feed port in the bearing surface, and a feed channel extending from the feed port to the channel. The rocker rotates between: closed, with the socket port and feed port aligned; and open, with the socket port spaced from the feed port. A recess is disposed in the bearing surface adjacent to the feed port and extends to a base aligned with the socket port when the rocker is open.
A rocker arm assembly for translating force between an intermediate member in communication with a camshaft of an internal combustion engine and a valve supported in a cylinder head of the engine. The rocker arm assembly includes a tube member and an arm. The tube member has first and second ends, a substantially cylindrical inner surface, and a tapered outer surface. The arm has a body extending between a pad for engaging the valve of the engine, and a socket for engaging the intermediate member of the engine. The body also has a tapered bore disposed between the pad and the socket. The tapered bore of the body of the arm cooperates with the tapered outer surface of the tube member so as to define a lock for constraining the arm to the tube member at a predetermined position between the first end and the second end.
A retention device for a valve actuating mechanism to secure a finger follower and lash adjuster together includes a ring member disposed in a groove of a movable piston of the lash adjuster. The retention device also includes a connecting member having a plurality of legs adapted to engage the finger follower and an intermediate base interconnecting the legs and adapted to be disposed below the ring member and about a portion of the lash adjuster to effect a free movement of the connecting member in all pivoted positions of the finger follower.
A dual feed hydraulic lash adjuster includes a plunger assembly slidingly disposed in a lash adjuster body and having an end adapted to cooperate with a valve actuating mechanism, the plunger assembly forming a low-pressure first chamber and a high-pressure second chamber with the body, the plunger assembly having a first aperture fluidly communicating with the first chamber, a passageway fluidly communicating with the first chamber, and a second aperture fluidly communicating with the passageway, and a separate fluid pressure separator disposed in the plunger assembly between the first aperture and the second aperture to prevent passage of hydraulic fluid between the first chamber and the passageway, wherein a passage is provided through the fluid pressure separator to provide for evacuation of air from the lash adjuster.
F01L 1/24 - Réglage ou compensation des jeux automatique au moyen d'un fluide, p. ex. hydrauliquement
F01L 13/00 - Modifications du système de distribution pour permettre l'inversion du sens de marche, le freinage, le démarrage, le changement de taux de compression ou autre opération déterminée
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