Abstract: A refractory panel is formed with recesses delineating a pair of adjoining brick relief patterns. One or more depressions are formed in the recesses such that grout or the like placed in the recesses form fingers that harden into position.

Abstract: A valve timing control device includes a driving rotary element synchronously rotatable with a crankshaft; a driven rotary element mounted coaxially with the driving rotary element and synchronously rotatable with a camshaft; a plurality of partitions provided in the driven rotary element each for dividing a fluid pressure chamber formed between the driving rotary element and the driven rotary element into a regarded angle chamber and an advanced angle chamber; and a connecting element for connecting the driven rotary element to the camshaft. The connecting element includes a flange inserted into a recess formed in the driven rotatory element, and a shaft portion inserted into a through bore formed in a wall of the driving rotary element adjacent to the camshaft. The flange has an outer diameter larger than that of the shaft portion, and is disposed between the driven rotary element and the wall.

Abstract: An electro-hydraulic variable valve lift apparatus may include an hydraulic pump body installed in an engine, a piston provided to reciprocate within the hydraulic pump body and forming an hydraulic pump chamber together with the hydraulic pump body, an hydraulic pump cam disposed to be in contact with the piston and enabling the piston to reciprocate according to a rotation thereof, a retainer provided to be slidable along the piston between the piston and the engine and forming a retainer chamber with the engine, a retainer spring elastically supporting the retainer, an oil control valve allowing the hydraulic pump chamber and the retainer chamber to selectively communicate with each other, a valve opening and closing unit communicating with the hydraulic pump chamber and opened or closed according to oil pressure supplied from the hydraulic pump chamber.

Abstract: A central valve of a camshaft adjuster of an internal combustion engine, which has a valve housing, a control piston, and a mounting flange. The valve housing is arranged, at least in part, inside a receptacle inside the camshaft adjuster. The valve housing has at least one inflow connection, one outflow connection, and one working connection. The control piston is arranged axially slidable inside the valve housing. The pressure fluid, which flows to and from the camshaft adjuster, can be controlled by the suitable positioning of the control piston inside the valve housing. Also, the mounting flange is fixedly connected to a wall section of the receptacle, thus determining the axial position of the valve housing relative to the camshaft adjuster.

Abstract: An assembly is disclosed which comprises an SCP camshaft 130 and a phaser mounted at one end of the SCP camshaft. The phaser has a stator 112 driven by an engine crankshaft and two output members 114, 116 each fast in rotation with a respective one of the inner shaft 140 and the outer tube 126 of the SCP camshaft 130. Two timing features 160, 172 are provided for enabling respective sensors to determine the angular positions of the inner shaft and the outer tube of the SCP camshaft. In the invention, both timing features 160, 172 are located on the side of the stator 112 remote from the camshaft 130.

Abstract: An adjusting device for adjusting a camshaft relative to a drive sprocket, which drives the camshaft coaxially. The adjusting device includes an actuating gear which acts between the drive sprocket and the camshaft and is driven via an electric motor to adjust the camshaft. The actuating gear has internally- and externally-toothed gearwheels in engagement with each other, in which the internally toothed gearwheel is rotated about a central axis of the adjusting device. The externally toothed gearwheel is arranged eccentrically with respect to the central axis and is driven to perform a circular motion about the central axis. The externally toothed gearwheel is supported eccentrically on at least two eccentric shafts, each eccentric shaft being driven to perform a rotary motion about a respective eccentric axis. The eccentric axes are arranged eccentrically with respect to the central axis and can be rotated about the central axis.

Abstract: A valve timing control apparatus includes a drive-side rotation member synchronously rotating with a crankshaft of an internal combustion engine, a driven-side rotation member integrally rotating with a camshaft, a rotational phase adjusting device including a retarded angle chamber and an advanced angle chamber, the rotational phase adjusting device adjusting the relative rotational phase between the drive-side rotation member and the driven-side rotation member, and a boss member provided at a portion of the driven-side rotation member facing an outer wall surface of the internal combustion engine and including a thrust surface that extends to be perpendicular to a rotational axis of the camshaft and that is exposed to the outer wall surface of the internal combustion engine. The boss member causes the drive-side rotation member to be prevented from making contact with the outer wall surface by making contact with the outer wall surface of the internal combustion engine.

Abstract: A control valve which has a substantially cylindrical valve box and a substantially cylindrical control piston. The control valve can be arranged in a cylindrical receptacle and the control piston is arranged so as to be axially displaceable inside the valve box.

Abstract: There are output pistons 18 for opening intake valves 11, an intake cam 19 coaxial with a crankshaft 7 to actuate an input piston 22, a hydraulic control valve 20, output passageways 25A, 25B connecting the output pistons 18 to the hydraulic control valve, and an input passageway 24 connecting an input hydraulic chamber 21 to the hydraulic control valve. The hydraulic control valve has one state, which enables pressure-transmission communication between the input passageway and the output passageway 25A at least during a period for one cycle of reciprocating motion of the input piston 22, and another state, which enables pressure-transmission communication between the input passageway and the output passageway 25B at least during the period for one cycle of reciprocating motion of the input piston 22. The hydraulic control valve assumes the states alternately in every rotation of the intake cam 19.

Abstract: A valve timing adjuster is mounted to a driving force transmission system, wherein the driving force transmission system transmits a driving force through a timing belt from a drive shaft to a driven shaft. The timing belt is rotatable synchronously with rotation of the drive shaft. The valve timing adjuster includes a pulley part, a housing, and a vane rotor. The pulley part is rotatable synchronously with the drive shaft through engagement with the timing belt. The housing is formed integrally with the pulley part. The vane rotor is received within the housing. The vane rotor is rotatable synchronously with the driven shaft. The vane rotor has a plurality of vane parts that is rotatable relative to the housing within a predetermined angular range.

Abstract: A controller for a variable valve actuation device is provided. The controller prevents the startability of an internal combustion engine from being degraded. An electronic controller (91) performs a phase advancing control at engine starting to advance valve timing (VT) by oil pressure of an phase advancing chamber (37) and oil pressure of a phase retarding chamber (38) provided in a phase changing mechanism (30) if a residual oil amount (Q) is greater than or equal to a reference oil amount (QA) at engine starting. In addition, when the valve timing (VT) reaches an intermediate angular phase (VTmdl), the valve timing (VT) is held in the intermediate angular phase (VTmdl) by oil pressure of the phase changing mechanism (30).

Abstract: There is provided an engine with a variable valve timing mechanism. A mount attachment part of a chain case is provided with a bracket attachment seat surface part to which a engine-side mount bracket is attached and is provided integrally with a hydraulic control valve attachment part below the bracket attachment seat surface part and in an inner side space part. A fastener part fastening the chain case to a cylinder head is disposed in the inner side space part of the mount attachment part and between the hydraulic control valve attachment part and the bracket attachment seat surface part.

Abstract: A variable valve timing control apparatus includes a driving-side rotating member, an driven-side rotating member, a cam shaft, a control valve switching supply and discharge of a working fluid relative to an advanced angle chamber and a retarded angle chamber, an advanced angle-side oil passage, a retarded angle-side oil passage, a spider provided with a first oil passage and a second oil passage, a seal mechanism partitioning between at least one of the first oil passage and the second oil passage, and an outside space, and the seal mechanism allows air to come in the at least one of the first oil passage and the second oil passage in a case where pressure inside the at least the one of the first oil passage and the second oil passage is lower than air pressure of the outside space.

Abstract: A valve timing controller includes a lock mechanism that locks a rotation phase at a main lock phase when an internal combustion engine is started with an ambient temperature more than or equal to a preset temperature. The main lock phase represents a rotation phase set for closing an intake valve at a later timing later than a timing when a piston reaches a bottom dead center of a cylinder in the internal combustion engine. The lock mechanism locks the rotation phase at a sub lock phase representing a rotation phase advanced rather than the main lock phase in the internal combustion engine when the internal combustion engine is started with an ambient temperature lower than the present temperature.

Abstract: A variable valve apparatus for an internal combustion engine includes a control shaft, a camshaft having first and second camshaft members rotatable relative to each other, a rotary cam rotating together with the second camshaft member for opening and closing of an exhaust valve, an eccentric drive cam rotating together with the first camshaft member, a rocker arm caused to swing with rotation of the eccentric drive cam, a swing cam caused to swing by the rocker arm for opening and closing of an intake valve, a control cam formed on the control shaft to change an operating position of the rocker arm according to a rotational phase of the control shaft and vary the amount of swinging movement of the swing cam, a phase control mechanism adapted to control a relative rotational phase of the first and second camshaft members and an actuator for rotating the control shaft.

Abstract: A device (11) for the variable adjusting of the control timing of gas exchange valves (9, 10) of an internal combustion engine (1) with a drive element (13), an output element (14), at least one pressure chamber (23) and a volume accumulator (31), wherein the output element (14) is arranged in a rotatable manner to the drive element (13), and the pressure chamber (23) is bordered at least partially by these components (13, 14), wherein a phase position between the output element (14) and the drive element (13) can be variably adjusted by the pressure medium supply to or pressure medium removal from the pressure chamber (23). Pressure medium lines (25a, b, p) are provided by which the pressure medium can be supplied to the pressure chamber (23) or removed therefrom.

Abstract: A variable valve mechanism that is downsized by providing a crank mechanism in place of an egg-shaped cam on an input shaft that is rotationally driven by a crankshaft of an internal combustion engine. A variable valve mechanism (30) having a variable mechanism (30) that changes the opening/closing amount of a valve (13), includes an input shaft (12) that is rotationally driven by an internal combustion engine. The input shaft (12) is provided with a crank mechanism (14) that is connected to the variable mechanism (30) and converts the rotational motion of the input shaft (12) into reciprocating motion for opening and closing the valve (13).

Abstract: A valve opening/closing timing control device, including: a drive-side rotating body rotating synchronously with crankshaft; a driven-side rotating body arranged coaxially with the drive-side rotating body and rotating synchronously with a camshaft in an internal combustion engine; a partition section provided to at least one of the drive-side rotating body and the driven-side rotating body so as to partition a fluid pressure chamber into a retard chamber and an advance chamber; a seal member preventing leakage of a working fluid between the retard chamber and the advance chamber; and a biasing member engaging with the seal member by a biasing force caused by elastic deformation and biasing the seal member from the partition section side towards the drive-side rotating body side or the driven-side rotating body side.

Abstract: An internal combustion piston engine based on a four-stroke process, including a crankcase in which at least one cylinder/piston assembly is arranged, the piston being guided by a connecting rod connected to a crankshaft. At least one cylinder head closes the cylinder, each of whose intake and exhaust channels are controlled by at least one intake valve and one exhaust valve (13, 13a). The intake and exhaust valves (13, 13a) are actuable by a rocker arm (5) or a finger lever driven by a camshaft (1) through intake and exhaust cams (2). The rocker arms or finger levers are guided on at least one axle (6). A brake control device is provided which includes, in the region of the base circle of the exhaust cam (2), at least one additional cam (1) for an additional opening of at least one of the exhaust valves (13, 13a).

Abstract: An engine includes a camshaft supported in a housing for rotation about an axis of rotation. A cam gear is attached to one end of the camshaft and includes a first thrust bearing surface. A thrust ring is attached to the cam gear and includes a second thrust bearing surface. A thrust ring retainer is attached to the housing with a plurality of bolts and includes a pair of thrust surfaces trapped between the first thrust bearing surface of the cam gear and a second thrust bearing surface of the thrust ring. The thrust ring retainer also defines a portion of a lubrication connection passage that facilitates pressure equalization among a plurality of lubrication galleries arranged in parallel adjacent the camshaft.