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JP7165621B2 |
To make a second locker arm hardly fall down when a first locker arm is displaced in a locker shaft longitudinal direction.A variable valve mechanism 1 includes a first locker arm 10 which oscillates by being pushed by a cam 3, and a sec...
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JP7157634B2 |
A control device and a control method for a variable valve timing mechanism are provided so as to improve the accuracy of cam phase angle interpolation without using a motor rotation angle sensor. The control device for the variable valv...
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JP7153586B2 |
To make an increase of a drive force of a rotating member unnecessary, and to make the installation of an external holding mechanism unnecessary by avoiding that two engagement arms of a link arm are flipped by spiral grooves and pushed ...
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JP2022128777A |
To provide a novel decompression mechanism enabling reduction of the size or weight.A decompression mechanism 9 includes: a lever 20 at least partially disposed in an inner space 13 of a camshaft 10; a support shaft 30 swingably supporti...
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JP2022125010A |
To provide an innovative solution for an internal combustion engine which is characterized by both high operating efficiency and an extremely simple structure.An engine includes at least one cylinder, and a first intake valve and a secon...
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JP7124630B2 |
To allow employing a method of mounting a decompression holder to a cam shaft after inserting a decompression shaft provided with a decompression pin in a decompression shaft accommodating recessed part, as an assembly method of a decomp...
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JP2022120841A |
To provide an engine enabling supply of oil to a rocker arm for low rotation.An engine includes: a crank shaft disposed longitudinally; a piston 16 reciprocating within a cylinder 15 connected to the crank shaft via a connecting rod 17; ...
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JP2022119349A |
To provide a variable valve system for an internal combustion engine for improving the wear resistance and quality, reducing the cost and shortening the total length of a cam piece by enabling easier and quicker thrust moving cam machini...
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JP7114480B2 |
The invention relates to a reciprocating-piston machine, comprising a valve actuation device for at least one gas exchange valve, at least one valve stroke transmission device, which has at least one valve stroke transmission element, wh...
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JP2022108695A |
To reduce wear, and to improve maneuverability by lowering a contact load between a groove wall face of a cam rail and a pin.In a variable valve mechanism of an internal combustion engine using a relative displacement of a groove-shaped ...
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JP7101624B2 |
To reduce inertia mass of a rotating part of a link arm, and to prevent slide contact of a roller guide and a roller from acting as rotation resistance of the rotating part, so that driving force required for a rotating device is reduced...
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JP7099260B2 |
In a valve drive system, a rocker arm is swung by a cam. An exhaust valve abuts on a first end portion of the rocker arm. A second end portion of the rocker arm is supported by a lash adjuster. The lash adjuster includes a bottomed cylin...
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JP7100148B2 |
Systems and methods for internal exhaust gas recirculation (iEGR) in internal combustion engines may utilize secondary intake valve lift events during an exhaust valve main event in lost motion valve actuation systems. The secondary inta...
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JP7086287B2 |
A harmonic drive includes an internally toothed housing element (2), a pot-shaped output element (4) which is mounted in the housing element (2), and a likewise pot-shaped, resilient drive element (19) which is connected to the output el...
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JP7084641B2 |
Disclosed is a valve actuation system with variable modes, which system belongs to the fields of engine valve actuation, cylinder deactivation and auxiliary braking. The system comprises an exhaust brake cam (101), an exhaust drive cam (...
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JP7073435B2 |
To provide an internal combustion engine capable of accurately determining whether to complete switching of valve operation characteristics of a variable valve gear, to support the determination result appropriately.An internal combustio...
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JP7061395B2 |
A compact multi-mode valve driving system, belonging to the fields of engine valve driving, variable stroke engines and assisted braking. The system comprises a first camshaft (101) provided with a bearing bush (2), a second camshaft (10...
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JP2022063697A |
To improve knocking resistance while curbing a reduction in filling efficiency.In an internal combustion engine comprising an intake valve (1) and a valve activation device (5) which activates the intake valve (1), the valve activation d...
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JP2022061894A |
To provide a control device of an internal combustion engine and a control method of the internal combustion engine capable of properly charging a battery mounted on a vehicle.A control device of an internal combustion engine includes an...
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JP2022059779A |
To provide a thrust regulating mechanism of a thrust moving part moving for a variable valve, which saves a space, secures a regulation load and reduces the number of components.A variable valve train 1 is configured to select whether on...
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JP2022059778A |
To prevent a thrust moving part from strongly hitting against a wall of a cylinder head or a cam carrier to reduce mechanism breakage and NV (noise and vibration) caused by the impact.A variable valve train 1 selects whether one engaging...
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JP7047731B2 |
An internal combustion engine system includes a fuel injection valve, a variable valve operating device and a control device. The control device is configured, where depression of an accelerator pedal is released, to: execute a fuel cut ...
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JP7040979B2 |
An engine oil passage structure for an engine contributing to downsizing the engine and achieving protection of an oil passage against external forces is provided. Provided is an oil passage structure for an engine installed in a small v...
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JP7021584B2 |
This variable valve device for an internal combustion engine is provided with: a variable mechanism that can be switched between a first state and a second state; and a fluid pressure control device for controlling the fluid pressure sup...
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JP7020235B2 |
A decompression pin is inserted into a swing range of an end portion of a rocker arm, on a side which is supported by a lash adjuster, when the rocker arm has been inclined toward a direction in which a valve is opened. The decompression...
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JP7008465B2 |
To avoid the displacement of a link arm to an axial length direction even if a force in the axial length direction is applied on the link arm by the vibration or the like of an internal combustion engine at timing at which neither a firs...
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JP7007255B2 |
To provide a compression ignition type engine having high startability.A compression ignition type engine includes a valve gear 2 for opening and closing an intake valve 1, and an opening/closing timing adjusting device 3 for adjusting o...
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JP7004152B2 |
To provide a valve system capable of reducing the number of actuators which switch the state of a rocker arm.The valve system includes a plurality of intake side rocker arms 70. The intake side rocker arms 70 each have a switching mechan...
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JP7004817B2 |
Systems for valve actuation in internal combustion engines provide configurations for hydraulic lash adjusters and valve actuation valvetrain components that are particularly suitable for prevention of HLA jacking in lost motion cam envi...
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JP2022015798A |
To provide a cam shaft which can hold a specific cam lobe in a non-rotational state for cylinder rest, for suppressing its cost, preventing increase in a size thereof, and improving its versatility.To a cam shaft body 1, a first cam lobe...
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JP7003173B2 |
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JP7003172B2 |
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JP2022508573A |
An intake cam configured to open and close the intake valve, a first exhaust cam configured to open and close the exhaust valve, and a second exhaust cam configured to open and close the same exhaust valve. , The second exhaust cam can b...
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JP6997244B2 |
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JP6993828B2 |
A continuous variable valve duration apparatus may include a camshaft, a cam unit on which a cam is formed, of which the camshaft is inserted thereto and of which a relative phase angle with respect to the camshaft is variable, an inner ...
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JP6985183B2 |
A variable valve mechanism of an internal combustion engine includes an input arm, an output arm, a lock pin, a drive device and a return spring of the lock pin, and a lost motion spring of the input arm. The input arm has in its rear en...
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JP6976331B2 |
A compression-release brake system is provided that includes a lost motion exhaust rocker assembly, an actuation piston, and a reset device. The actuation piston includes an actuation piston body that is slidably received by the rocker a...
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JP6976308B2 |
An engine includes a cylinder head including a first oil path and a second oil path. The cylinder head includes a valve gear including a first support and a second support that support a rocker shaft. The first support includes, on its o...
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JP6969395B2 |
To provide a rocker arm capable of improving its durability.A rocker arm 40 includes an outer arm 60, an inner arm 70, and a switching mechanism 90. The switching mechanism 90 has an actuator, a rod 100, and a connection pin 105 having a...
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JP6967029B2 |
To provide an internal combustion engine capable of surely realizing a function of decompression from start, and lowering a rotating speed for switching the decompression function.An internal combustion engine 35 includes a decompression...
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JP6962204B2 |
To provide a rocker arm capable of suppressing an increase in the size.An intake side rocker arm 50 rocks while being pressed by an intake cam 34. The intake side rocker arm 50 includes an inner arm for abutting on a lash adjuster 30 and...
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JP6958437B2 |
Provided is a hybrid vehicle that includes a power train including an internal combustion engine equipped with a plurality of cylinders and a drive motor unit. The drive motor unit includes an electric motor coupled to the internal combu...
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JP2021148063A |
To provide an engine including a combustion cylinder in which oxidation reaction of a fuel progresses, and a reaction cylinder in which chemical reaction different from that in the combustion cylinder progresses, and capable of operating...
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JP6932179B2 |
A valve gear includes a lost motion mechanism including a lost motion spring. A pillar is inserted into the lost motion spring, and a seat supports a lower end portion of the lost motion spring. A protrusion is provided on an opposite si...
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JP2021520466A |
Compression release engine braking system for effective compression release engine braking of internal combustion engines. The compression / release system includes a lost motion exhaust rocker assembly including an exhaust rocker arm, a...
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JP2021116722A |
To provide a technique capable of suppressing generation of vibrations of an engine caused by fluctuation of a cam torque.A manufacturing method of a valve gear is applied to a DOHC type engine comprising a dummy device in an end of an e...
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JP6915149B2 |
Systems and methods for managing excessive intake flow path pressure and counter flow are implemented to support enhanced engine braking applications, such as 2-stroke or 1.5-stroke engine braking implementations where the intake flow pa...
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JP6905282B2 |
A dual-camshaft switch fulcrum-type variable mode valve driving system, belonging to the field of engine valve driving, cylinder deactivation and assisted braking. The system mainly comprises an intake and exhaust valve assembly, an exha...
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JP2021102947A |
To provide a variable valve mechanism capable of reducing labor and time required for designing.A variable valve mechanism 20A changing lift characteristics of a valve opening/closing a port for the intake or exhaust of an engine, includ...
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JP6887001B2 |
To provide an engine having a centrifugal decompression device at a camshaft, in which an increase of a manufacturing cost of a decompression weight is suppressed, and the workability of the decompression weight is improved while making ...
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